Packages tagged mit
3609 packages have this tag.
[Merge tag] (trustees only)Related tags: library (3387), program (782), web (502), data (458), deprecated (240), text (216), network (209), language (173), development (163), control (161), system (154), database (149), unclassified (140), testing (137), math (116), graphics (105), game (84), yesod (63), parsing (53), cryptography (51), concurrency (48), data-structures (47), json (45), foreign (44), prelude (39), sound (34), streaming (34), compilers-interpreters (32), distribution (32), phonetic-languages (31), Ukrainian (28), ffi (27), codec (22), finance (22), time (22), postgresql (21), xml (21), algorithms (19), conduit (19), javascript (19), utils (19), api (18), generics (18), utility (18), cloud (17), console (17), hasql (17), numeric (17), cli (16), configuration (16), logging (16), tools (16), hardware (15), music (15), services (15), aws (14), sox (14), types (14), html (13), number-theory (13), user-interfaces (13), validity (13), crypto (12), gui (12), polysemy (12), serialization (12), debug (11), distributed-computing (11), frp (11), machine-learning (11), media (11), compiler (10), enumerator (10), other (10), statistics (10), ai (9), bioinformatics (9), eventsourcing (9), filesystem (9), security (9), servant (9), arrows (8), combinators (8), composite (8), effect (8), error-handling (8), formal-methods (8), logic (8), options (8), public-domain (8), records (8), template-haskell (8), test (8), tonatona (8), algorithmic-composition (7), dependent-types (7), exceptions (7), graphql (7), http (7), network-apis (7), numerical (7), phonetics (7), pipes (7), random (7), remote-management (7), simple (7), zift (7), acme (6), algebra (6), application (6), builders (6), client (6), compiler-plugin (6), conversion (6), dsl (6), jvm (6), nix (6), parallelism (6), parser (6), plugin (6), ui (6), utilities (6), PhLADiPreLiO (5), bitcoin (5), command-line (5), compatibility (5), csv (5), documentation (5), education (5), geometry (5), java (5), metrics (5), pretty-printer (5), scripting (5), smt (5), speech-approximation (5), uniqueness (5), algorithm (4), benchmarking (4), bytestring (4), codecs (4), containers (4), data-mining (4), data-science (4), ffi-tools (4), github (4), graphs (4), lenses (4), model (4), monitoring (4), natural-language-processing (4), optics (4), package-management (4), project (4), quasiquotes (4), reactive (4), reactivity (4), reflex (4), shake (4), simulation (4), speech-transformation (4), syllable-segmentation (4), uniqueness-periods (4), user-interface (4), writing-systems (4), avers (3), binary-search (3), business (3), compilers (3), data- (3), databases (3), desktop (3), dhall (3), email (3), failure (3), formal-languages (3), functions (3), game-engine (3), generic (3), geography (3), graph (3), image (3), list (3), logic-programming (3), mobile (3), monad (3), monads (3), parsers (3), physics (3), potoki (3), service (3), string (3), symbolic-computation (3), timbre (3), tooling (3), validation (3), vector (3), voice (3), RealFrac (2), actors (2), applicative (2), audio (2), benchmark (2), bindings (2), bio (2), bit-vectors (2), blockchain (2), categories (2), code-generation (2), codegen (2), command-line-tool (2), comonads (2), compression (2), constraints (2), criu (2), datacontrol (2), date (2), editor (2), elm (2), environment (2), ethereum (2), fay (2), filters (2), flatpak (2), foreign-binding (2), ghc (2), git (2), giveyouahead (2), haskell-admin (2), idl (2), io (2), lens (2), lists (2), mathematics (2), networking (2), nlp (2), oauth2 (2), openapi (2), optimization (2), pdf (2), phladiprelio (2), poetry (2), poker (2), preprocessor (2), productivity (2), prosodic-languages (2), prosody (2), ptr (2), purescript (2), repl (2), reverse-engineering (2), rhythm (2), state-machines (2), stm (2), streamly (2), swagger (2), syntax (2), templatehaskell (2), terminal (2), th (2), theorem-provers (2), tool (2), tui (2), type-system (2), unification (2), video (2), vinyl (2), xmonad (2), yaml (2), #AncientEgypt (1), GraphViz (1), aeson (1), aftovolio (1), algorithms- (1), amazon (1), anatomy (1), apple (1), archaeoinformatics (1), array (1), asp (1), astronomy (1), attoparsec (1), authentication (1), aviation (1), azure (1), base (1), binary (1), bit (1), bundle (1), c (1), calendar (1), capnproto (1), captcha (1), catgirls (1), charts (1), chemistry (1), cli-tool (1), code-analysis (1), code-competitions (1), code-generator (1), coherency (1), command-line-tools (1), commandline (1), concurrent (1), consul (1), contracts (1), conversions (1), couchdb (1), cpp (1), crdt (1), cron (1), cssyd (1), cursor (1), data-conduit (1), data-flow (1), deep-learning (1), derive-monoid (1), derive-monoid- (1), discord (1), distributed-systems (1), domain-specific-language (1), ebnf (1), elliptic-curves (1), embedded (1), envars (1), espeak (1), eternity (1), ...
Name |
DLs |
Rating |
Rev Deps |
Description |
Tags |
Last U/L |
Last Version |
Maintainers |
|---|---|---|---|---|---|---|---|---|
| 2captcha (deprecated in favor of captcha-2captcha) | 0 | 1.5 | 0 | Haskell package for easy integration with the 2captcha API. | (deprecated, library, mit, network) | 2021-09-09 | 0.1.0.0 | qwbarch |
| AAI | 2 | 2.0 | 0 | Abstract Application Interface. | (control, library, mit) | 2015-08-03 | 0.2.0.1 | bash0r |
| AFSM | 7 | 2.0 | 1 | Arrowized functional state machines | (frp, library, mit) | 2016-04-21 | 0.1.3.1 | hanzhxu |
| Agda | 89 | 2.75 | 8 | A dependently typed functional programming language and proof assistant | (dependent-types, library, mit, program) | 2025-07-05 | 2.8.0 | AndreasAbel, AndresSicardRamirez, NilsAndersDanielsson, UlfNorell |
| BCMtools | 2 | 0.0 | 0 | Big Contact Map Tools | (bioinformatics, library, mit, program) | 2015-05-05 | 0.1.1 | kaizhang |
| Bang | 9 | 0.0 | 1 | A Drum Machine DSL for Haskell | (library, mit, sound) | 2015-10-26 | 0.1.1.1 | 5outh |
| Blammo | 33 | 2.0 | 9 | Batteries-included Structured Logging library | (library, logging, mit) | 2025-04-10 | 2.1.3.0 | PatrickBrisbin, dukerutledge, mjgpy3, chris_martin, FreckleEngineering, OlaoluwaM |
| Blammo-wai | 4 | 0.0 | 1 | Using Blammo with WAI | (library, logging, mit, web) | 2024-08-01 | 0.0.0.2 | PatrickBrisbin, dukerutledge, mjgpy3, chris_martin, FreckleEngineering, OlaoluwaM |
| BufferedSocket | 6 | 0.0 | 1 | A socker wrapper that makes the IO of sockets much cleaner | (library, mit, network) | 2015-08-12 | 0.2.1.0 | tmore |
| Buster | 3 | 0.0 | 1 | Hits a set of urls periodically to bust caches | (mit, program, web) | 2013-05-22 | 0.1.1 | MichaelXavier |
| C-structs | 1 | 2.0 | 0 | C-Structs implementation for Haskell | (c, data, foreign, library, mit, structures) | 2022-09-30 | 0.2.0.3 | SimonPlakolb |
| Cartesian | 10 | 0.0 | 1 | Coordinate systems | (library, math, mit) | 2016-10-10 | 0.6.0.0 | SwiftsNamesake |
| ChasingBottoms | 42 | 0.0 | 2 | For testing partial and infinite values. | (library, mit, testing) | 2025-06-25 | 1.3.1.16 | DonaldStewart, NilsAndersDanielsson |
| ChibiHash | 2 | 0.0 | 0 | a simple and fast 64-bit hash function | (algorithms, data, library, mit, program) | 2024-12-02 | 0.2.0.0 | thevilledev |
| CirruParser (deprecated in favor of cirru-parser) | 2 | 0.0 | 1 | Cirru Parser in Haskell | (deprecated, library, mit, text) | 2015-05-10 | 0.0.1 | jiyinyiyong |
| ClasshSS | 1 | 0.0 | 0 | Typified Tailwind for Rapid Development | (library, mit, web) | 2024-03-30 | 0.1.0.0 | lazyLambda |
| Commando | 4 | 0.0 | 1 | Watch some files; Rerun a command | (development, library, mit, program) | 2014-03-06 | 1.0.0.4 | LyndonMaydwell |
| Configger | 2 | 0.0 | 1 | Parse config files | (configuration, library, mit) | 2011-12-26 | 0.1 | NateSoares |
| Configurable | 1 | 0.0 | 1 | Declare types as Configurable then specialize them all in one place | (control, library, mit) | 2012-10-19 | 0.1.0.0 | JosephAbrahamson |
| Conscript | 1 | 0.0 | 1 | Restart a command on STDIN activity | (mit, program, system) | 2013-07-04 | 0.1.0.0 | LyndonMaydwell |
| ConsoleAsk | 7 | 0.0 | 0 | Simple CLI user input library | (console, library, mit, system) | 2025-07-01 | 0.1.0.1 | t_sasaki915 |
| Craft3e | 16 | 0.0 | 1 | Code for Haskell: the Craft of Functional Programming, 3rd ed. | (education, library, mit, program) | 2019-01-08 | 0.1.1.1 | SimonThompson |
| DCFL | 11 | 0.0 | 1 | Communication Free Learning-based constraint solver | (data-, library, mit) | 2015-07-08 | 0.1.6.0 | dpandya |
| DOH | 7 | 2.0 | 1 | Complete API bindings for DigitalOcean API V2 | (library, mit, network) | 2018-06-20 | 0.1.4.0 | yigitozkavci |
| Dangerous | 13 | 0.0 | 2 | Monads for operations that can exit early and produce warnings | (error-handling, library, mit) | 2012-01-30 | 0.3.2 | NateSoares |
| DataIndex | 1 | 0.0 | 0 | A package for adding index column to data files | (data, library, mit, program) | 2016-10-09 | 0.1.1 | steven_yhw |
| DataVersion | 2 | 0.0 | 0 | Type safe data migrations | (data, library, mit) | 2022-11-30 | 0.1.0.1 | agentultra |
| Deadpan-DDP | 22 | 0.0 | 1 | Write clients for Meteor's DDP Protocol | (library, mit, program, unclassified) | 2015-10-15 | 0.9.6.0 | LyndonMaydwell |
| Delta-Lambda | 4 | 0.0 | 1 | A demonstration interpreter for type system delta-lambda (of N.G. De-bruijn) | (compilers-interpreters, mit, program) | 2017-05-11 | 0.3.0.0 | listofoptions |
| DifferentialEvolution | 4 | 0.0 | 1 | Global optimization using Differential Evolution | (algorithms-, library, mit, numerical, optimization) | 2011-03-11 | 0.0.2 | VilleTirronen |
| Dist | 6 | 0.0 | 1 | A Haskell library for probability distributions | (library, math, mit) | 2019-06-16 | 0.5.0 | wyager |
| DocTest (deprecated in favor of doctest) | 10 | 0.0 | 1 | Test interactive Haskell examples | (deprecated, mit, program, testing) | 2015-04-03 | 0.2.0.1 | |
| EdisonAPI | 8 | 0.0 | 5 | A library of efficient, purely-functional data structures (API) | (data-structures, library, mit) | 2025-02-04 | 1.3.3.2 | RobertDockins, lyxia |
| EdisonCore | 19 | 2.25 | 4 | A library of efficient, purely-functional data structures (Core Implementations) | (data-structures, library, mit) | 2025-02-04 | 1.3.3.2 | RobertDockins, lyxia |
| Feval | 2 | 2.0 | 1 | Evaluation using F-Algebras | (language, mit, program) | 2015-09-07 | 1.0.0.1 | burz |
| Files | 3 | 0.0 | 0 | File content extraction/rearrangement | (io, library, mit, program) | 2016-10-19 | 0.1.1.1 | steven_yhw |
| Focus | 5 | 0.0 | 1 | Tools for focusing in on locations within numbers | (data, library, mit) | 2011-12-24 | 0.1.2 | NateSoares |
| Foster | 6 | 0.0 | 1 | Utilities to generate and solve puzzles | (data, mit, program) | 2015-01-19 | 1.1.2 | Jefffrey |
| FractalArt | 4 | 2.0 | 1 | Generates colorful wallpapers | (graphics, mit, program) | 2016-05-06 | 0.2.0.3 | TomSmeets |
| Fractaler | 2 | 0.0 | 1 | (graphics, mit, program) | 2015-10-11 | 3 | serprex | |
| GGg | 5 | 0.0 | 1 | GGg cipher | (mit, program, text) | 2015-02-20 | 0.1.0.2 | xnil |
| GLM | 3 | 0.0 | 0 | Simple Gridlab-D GLM parser and utilities. | (language, library, mit, program) | 2015-10-09 | 0.7.0.0 | LyndonMaydwell |
| GPipe | 47 | 2.0 | 4 | Typesafe functional GPU graphics programming | (graphics, library, mit) | 2020-04-10 | 2.2.5 | TobiasBexelius |
| GPipe-Core | 2 | 0.0 | 1 | Typesafe functional GPU graphics programming | (graphics, library, mit) | 2021-04-13 | 0.2.3.1 | srk, pippijn |
| GPipe-GLFW | 15 | 0.0 | 1 | GLFW OpenGL context creation for GPipe | (graphics, library, mit) | 2020-11-01 | 1.4.1.4 | plredmond |
| GPipe-GLFW4 | 1 | 0.0 | 0 | GLFW OpenGL context creation for GPipe | (graphics, library, mit, program) | 2021-04-11 | 2.0.0 | srk, pippijn |
| GeneralTicTacToe | 1 | 2.0 | 1 | A general TicTacToe game implementation. | (game, mit, program) | 2015-08-04 | 0.1.0.1 | afonsomatos |
| GiveYouAHead | 4 | 0.0 | 0 | to auto-do somethings | (giveyouahead, library, mit) | 2015-06-25 | 0.2.2.3 | Qinka |
| GoogleCodeJam | 3 | 0.0 | 1 | A monad for flexible parsing of Google Code Jam input files with automatic parallelization. | (library, mit, text) | 2017-01-22 | 0.0.3 | johannesgerer |
| HDBC-postgresql-hstore (deprecated in favor of postgresql-simple) | 1 | 0.0 | 1 | Manipulate data in PostgreSQL "hstore" columns. | (database, deprecated, library, mit) | 2012-07-06 | 0.0.1.2 | AlexanderBondarenko |
| HGE2D | 11 | 0.0 | 0 | 2D game engine written in Haskell | (game, library, mit, program) | 2016-07-30 | 0.1.9.2 | I3ck |
| HList | 28 | 2.0 | 26 | Heterogeneous lists | (data, library, mit) | 2025-02-20 | 0.5.4.0 | AdamVogt, GwernBranwen |
| HQu | 7 | 2.0 | 0 | quantitative finance library | (finance, library, math, mit) | 2021-07-09 | 0.0.0.5 | ghais |
| HTicTacToe | 2 | 0.0 | 1 | An SDL tic-tac-toe game. | (game, graphics, mit, program) | 2010-05-01 | 0.2 | KorcanHussein |
| HaGL | 2 | 0.0 | 0 | Haskell-embedded OpenGL | (graphics, library, mit) | 2023-06-10 | 0.1.0.0 | simeon |
| HaPy | 1 | 0.0 | 1 | Haskell bindings for Python | (foreign, library, mit) | 2015-05-29 | 0.1.1.1 | DavidFisher |
| Hach | 4 | 0.0 | 1 | Simple chat | (library, mit, network, program) | 2013-11-17 | 0.1.2 | DmitryMalikov |
| Hangman | 4 | 0.0 | 1 | The classic game of Hangman | (mit, program, unclassified) | 2024-07-21 | 0.10.0.0 | lf94 |
| HaskellTutorials | 1 | 0.0 | 1 | Haskell Tutorials by Evgeny Ukhanov | (mit, program, tutorials) | 2014-10-11 | 0.0.0.1 | mrlsd |
| Hastodon | 11 | 2.0 | 1 | mastodon client module for Haskell | (library, mit, web) | 2018-05-28 | 0.6.0 | syucream |
| Hate | 1 | 2.0 | 0 | A small 2D game framework. | (graphics, library, mit, program) | 2015-12-21 | 0.1.4.3 | bananu7 |
| Hayoo | 2 | 2.0 | 1 | The Hayoo! search engine for Haskell API search on hackage | (data, mit, program, text) | 2012-03-01 | 1.2.3 | UweSchmidt |
| Holumbus-Searchengine | 2 | 0.0 | 1 | A search and indexing engine. | (data, library, mit, text) | 2012-03-01 | 1.2.3 | UweSchmidt |
| HostAndPort | 4 | 0.0 | 2 | Parser for host and port pairs like localhost:22 | (library, mit, network) | 2015-08-01 | 0.2.0 | slava |
| HsHTSLib | 17 | 0.0 | 1 | Bindings to htslib. | (bio, library, mit) | 2021-09-30 | 1.9.2.2 | kaizhang |
| HsSyck | 15 | 0.0 | 7 | Fast, lightweight YAML loader and dumper | (library, mit, pugs, text) | 2025-06-19 | 0.55 | AudreyTang, GwernBranwen, OliverCharles |
| HsWebots | 6 | 0.0 | 0 | Webots bindings for Haskell | (library, mit, robotics) | 2020-03-16 | 0.1.1.3 | junjihashimoto |
| JYU-Utils | 5 | 0.0 | 2 | Some utility functions for JYU projects | (library, mit, utility) | 2011-09-27 | 0.1.1.2 | VilleTirronen |
| Jdh | 3 | 0.0 | 1 | A Json implementation for Haskell, with JavaScript Values and Encoding/Decoding | (data, library, mit) | 2017-02-25 | 0.1.0.1 | brunoczim |
| Ketchup | 17 | 0.0 | 1 | A super small web framework for those who don't like big and fancy codebases | (ketchup, library, mit, web) | 2015-02-24 | 0.4.3 | Hamcha |
| LParse | 13 | 0.0 | 1 | A continuation-based parser library | (library, mit, parsing) | 2019-07-13 | 0.3.1.0 | Sacchan |
| LTS | 2 | 0.0 | 0 | LTS: Labelled Transition System | (library, mit, program, state-machines) | 2020-04-08 | 0.1.0.0 | ajayeeralla |
| LambdaNet | 3 | 2.0 | 1 | A configurable and extensible neural network library | (library, machine-learning, mit) | 2015-01-02 | 0.2.0.0 | jbarrow |
| Lambdajudge | 7 | 2.0 | 1 | A library to easily host Haskell based programming competitions | (development, library, mit) | 2015-11-13 | 1.0.0.4 | ankitku |
| Lazy-Pbkdf2 | 9 | 0.0 | 1 | Lazy PBKDF2 generator. | (cryptography, library, mit) | 2017-11-14 | 3.1.1 | Ofenhed |
| LetsBeRational | 0 | 0.0 | 0 | European option implied vol calculation | (finance, library, math, mit, numeric, quant) | 2021-12-19 | 1.0.0.0 | ghais |
| Limit | 2 | 0.0 | 1 | Wrapper for data that can be unbounded | (data, library, mit) | 2011-12-24 | 1.0 | NateSoares |
| LiterateMarkdown | 2 | 0.0 | 0 | Converter to convert from .lhs to .md and vice versa. | (library, mit, productivity, program) | 2020-08-29 | 0.1.0.1 | FabianSchneider |
| Logic | 1 | 0.0 | 1 | Logic | (library, math, mit) | 2014-12-29 | 0.1.0.0 | gogotanaka |
| Lykah | 3 | 0.0 | 1 | A static website and blog generator | (library, mit, program, web) | 2017-01-26 | 0.0.2 | johannesgerer |
| MTGBuilder | 6 | 0.0 | 1 | Builds decks out of a meta | (mit, program, unclassified) | 2015-09-28 | 0.2.0.1 | willfancher |
| Michelangelo | 14 | 0.0 | 1 | OpenGL for dummies | (graphics, library, mit) | 2016-01-05 | 0.2.4.0 | SwiftsNamesake |
| MiniAgda | 15 | 2.0 | 1 | A toy dependently typed programming language with type-based termination. | (dependent-types, library, mit, program) | 2025-07-23 | 0.2025.7.23 | AndreasAbel |
| MissingPy | 9 | 0.0 | 1 | Haskell interface to Python | (library, mit, unclassified) | 2012-08-24 | 0.10.6 | JohnGoerzen, MattBrown |
| Monadoro | 34 | 2.0 | 0 | A minimalistic CLI Pomodoro timer. | (library, mit, program, tools) | 2025-04-14 | 0.4.0.2 | patryk_kocielnik |
| MyPrimes | 1 | 0.0 | 0 | Generate all primes | (data, library, mit, program) | 2015-08-05 | 0.1.0.0 | afonsomatos |
| NGLess | 6 | 0.0 | 0 | NGLess implements ngless, a DSL for processing sequencing data | (domain-specific-language, library, mit, program) | 2022-09-14 | 1.5.0 | luispedro |
| Neks | 3 | 0.0 | 1 | Simple networked key/value store | (database, library, mit, program) | 2015-07-31 | 0.5.0.0 | wyager |
| NoTrace | 7 | 2.0 | 5 | Remove all the functions come from Debug.Trace after debugging | (development, library, mit) | 2019-05-07 | 0.3.0.4 | CindyLinz |
| OTP | 5 | 0.0 | 1 | HMAC-Based and Time-Based One-Time Passwords (HOTP & TOTP) | (cryptography, library, mit) | 2018-07-16 | 0.1.0.0 | ArtemLeshchev, HerbertValerioRiedel |
| Parallel-Arrows-BaseSpec | 1 | 0.0 | 1 | BaseSpecs used for @Parallel-Arrows-Definition@ and Co. | (arrows, library, mit, parallelism) | 2018-01-18 | 0.1.1.0 | s4ke |
| Parallel-Arrows-Definition | 2 | 0.0 | 4 | Multithreaded evaluation using Arrows. | (arrows, library, mit, parallelism) | 2018-01-18 | 0.1.1.0 | s4ke |
| Parallel-Arrows-Eden | 2 | 0.0 | 1 | Eden based backend for @Parallel-Arrows-Definition@. | (arrows, library, mit, parallelism) | 2018-01-18 | 0.1.1.0 | s4ke |
| Parallel-Arrows-Multicore | 0 | 0.0 | 1 | GpH based backend for @Parallel-Arrows-Definition@ in a multicore variant. | (arrows, library, mit, parallelism) | 2018-01-18 | 0.1.1.0 | s4ke |
| Parallel-Arrows-ParMonad | 0 | 0.0 | 1 | Par Monad (@monad-par@) based backend for @Parallel-Arrows-Definition@. | (arrows, library, mit, parallelism) | 2018-01-18 | 0.1.1.0 | s4ke |
| PasswordGenerator | 2 | 0.0 | 1 | Simple library for generating passwords | (cryptography, library, mit) | 2014-02-11 | 0.1.0.0 | VictorDenisov |
| Probnet | 4 | 2.25 | 0 | Geometric Extrapolation of Integer Sequences with error prediction | (ai, forecasting, library, math, mit, sequences) | 2021-06-02 | 0.1.0.4 | vnos |
| QLearn | 2 | 2.0 | 1 | A library for fast, easy-to-use Q-learning. | (data, library, mit) | 2016-05-01 | 0.1.0.0 | dpandya |
| QuickCheck-GenT | 13 | 0.0 | 1 | A GenT monad transformer for QuickCheck library. | (library, mit, testing) | 2024-12-22 | 0.2.2.2 | NikitaVolkov |
| QuickCheck-safe | 9 | 0.0 | 1 | Safe reimplementation of QuickCheck's core | (library, mit, testing) | 2019-04-29 | 0.1.0.6 | BertramFelgenhauer |
| RSolve | 2 | 2.0 | 0 | (library, logic, mit, program, unification) | 2019-08-05 | 2.0.0.0 | ice1000 | |
| Random123 | 5 | 0.0 | 1 | Haskell port of Random123 library | (library, mit, random) | 2015-03-20 | 0.2.0 | BogdanOpanchuk |
| Randometer | 2 | 0.0 | 1 | Randomness intuition trainer | (mit, personalgrowth, program) | 2014-10-25 | 0.1.0.1 | So8res |
| Redmine | 8 | 0.0 | 1 | Library to access Redmine's REST services | (library, mit, network, web) | 2017-01-22 | 0.0.8 | cstpierre |
| RichConditional | 1 | 0.0 | 1 | Tiny library to replace classic if/else | (control, library, mit) | 2015-02-16 | 0.1.0.0 | alexvieth |
| RoundingFiasco | 0 | 0.0 | 0 | rounding variants floor, ceil and truncate for floating point operations +-*/√… | (interval, library, mathematics, mit, numerical, rounding) | 2024-04-09 | 0.1.0.0 | pauldennis |
| RtMidi | 17 | 1.5 | 1 | Haskell wrapper for RtMidi, the lightweight, cross-platform MIDI I/O library. | (library, mit, program, sound) | 2023-08-14 | 0.8.0.0 | ejconlon, kohlrabi |
| RxHaskell | 2 | 0.0 | 1 | Reactive Extensions for Haskell | (frp, library, mit) | 2013-04-15 | 0.2 | JustinSpahrSummers |
| SCalendar (deprecated in favor of scalendar) | 4 | 1.25 | 1 | This is a library for handling calendars and resource availability based on the "top-nodes algorithm" and set operations. | (deprecated, library, mit, time) | 2017-09-11 | 1.1.0 | sebasHack |
| SConfig (deprecated) | 2 | 2.0 | 1 | A simple config library | (configuration, deprecated, library, mit) | 2014-10-14 | fgaz | |
| SDL2-ttf (deprecated in favor of sdl2-ttf) | 1 | 0.0 | 1 | Binding to libSDL-ttf | (deprecated, foreign-binding, library, mit) | 2013-12-22 | 0.1.0 | OmerAgacan |
| SFML | 7 | 0.0 | 2 | SFML bindings | (game, library, mit) | 2016-10-03 | 2.3.2.4 | AlfredoDiNapoli, sulami, ppelleti |
| SFML-control | 4 | 0.0 | 1 | Higher level library on top of SFML | (graphics, library, mit) | 2013-12-15 | 0.2.0.2 | AlfredoDiNapoli |
| SciFlow | 17 | 0.0 | 2 | Scientific workflow management system | (control, library, mit) | 2019-05-26 | 0.7.0 | kaizhang |
| SciFlow-drmaa | 1 | 0.0 | 0 | Scientific workflow management system | (control, library, mit) | 2019-05-26 | 0.1.0 | kaizhang |
| SimpleServer | 4 | 0.0 | 1 | A simple static file server, for when apache is overkill | (library, mit, program, web) | 2017-06-25 | 0.1.1.2 | AnupamJain |
| Slides | 12 | 0.0 | 1 | Generate slides from Haskell code | (graphics, library, mit) | 2018-10-09 | 0.1.0.10 | darwin226 |
| SmithNormalForm | 2 | 0.0 | 0 | A lightweight Haskell implementation of Smith normal form over the integers. | (library, linearalgebra, math, mit) | 2021-12-31 | 0.1.0.0 | BrianHwang |
| SmtLib | 2 | 0.0 | 1 | Library for parsing SMTLIB2 | (formal-methods, library, mit) | 2015-02-22 | 0.1.0.0 | roger62 |
| Southpaw | 2 | 0.0 | 1 | Assorted utility modules | (library, mit, utilities) | 2015-07-23 | 0.1.0.2 | SwiftsNamesake |
| Spock-digestive | 5 | 0.0 | 2 | Digestive functors support for Spock | (library, mit, web) | 2016-08-25 | 0.3.0.0 | AlexanderThiemann |
| Spock-worker | 13 | 0.0 | 1 | Background workers for Spock | (library, mit, web) | 2016-08-25 | 0.3.1.0 | AlexanderThiemann |
| StrictCheck | 8 | 2.0 | 1 | StrictCheck: Keep Your Laziness In Check | (library, mit, testing) | 2019-11-01 | 0.3.0 | kwf |
| Synapse (deprecated in favor of synapse) | 4 | 2.0 | 0 | Synapse is a machine learning library written in pure Haskell. | (deprecated, library, math, mit) | 2025-03-21 | 0.1.0.2 | JktuJQ |
| THSH | 7 | 0.0 | 0 | A "noDSL" approach to mixing shell scripting with Haskell programs using Template Haskell | (library, mit, program, system) | 2024-10-15 | 0.0.0.5 | hellwolf |
| TotalMap | 2 | 2.0 | 1 | A total map datatype | (control, library, mit) | 2019-09-13 | 0.1.1.1 | edwardwas |
| Tournament | 0 | 0.0 | 1 | Tournament related algorithms | (game, library, mit) | 2012-05-26 | 0.0.1 | EirikAlbrigtsen |
| TypeNat | 8 | 0.0 | 2 | Some Nat-indexed types for GHC | (data, library, mit) | 2022-05-19 | 0.5.0.1 | alexvieth |
| UTFTConverter | 4 | 0.0 | 0 | Processing popular picture formats into .c or .raw format in RGB565 | (graphics, library, mit, program, text) | 2016-05-04 | 0.1.0.1 | cirquit |
| VRML | 1 | 0.0 | 0 | VRML parser and generator for Haskell | (graphics, library, mit, program) | 2020-02-10 | 0.1.0.0 | junjihashimoto |
| ValveValueKeyvalue | 5 | 1.5 | 0 | A Valve Value-keyvalue parser for Haskell made with Parsec. | (keyvalue, library, mit, parsing, source, valve) | 2021-10-18 | 1.1.0.0 | berna |
| Verba | 12 | 0.0 | 1 | A solver for the WordBrain game | (game, mit, program) | 2016-01-10 | 0.1.2.0 | Jefffrey |
| WMSigner | 1 | 0.0 | 1 | WebMoney authentication module | (cryptography, data, library, mit) | 2014-11-26 | 0.1.0.0 | triplepointfive |
| WaveFront | 9 | 0.0 | 1 | Parsers and utilities for the OBJ WaveFront 3D model format | (graphics, library, mit) | 2016-10-18 | 0.5.0.0 | SwiftsNamesake |
| WebBits-multiplate | 2 | 0.0 | 1 | A Multiplate instance for JavaScript. | (language, library, mit) | 2011-03-24 | 0.0.0.1 | BalazsEndresz |
| Win32-security | 3 | 0.0 | 1 | Haskell bindings to a security-related functions of the Windows API | (library, mit, system) | 2015-04-06 | 0.1.1 | anton_dessiatov |
| X11-xfixes | 0 | 0.0 | 1 | A binding to the Xfixes X11 extension library | (graphics, library, mit) | 2011-05-26 | 0.1.1 | reacocard |
| YACPong | 1 | 0.0 | 1 | Yet Another Pong Clone using SDL. | (game, mit, program) | 2010-05-30 | 0.1 | KorcanHussein |
| Yocto (deprecated in favor of yocto) | 1 | 0.0 | 1 | A Minimal JSON Parser & Printer for Haskell | (deprecated, library, mit, text) | 2014-01-27 | 0.1.0 | ajg |
| abeson | 3 | 0.0 | 1 | interconversion between aeson and bson. | (data, library, mit) | 2014-09-19 | 0.1.0.1 | HirotomoMoriwaki |
| abt | 5 | 1.25 | 1 | Abstract binding trees for Haskell | (language, library, mit) | 2015-01-11 | 0.1.1.0 | JonSterling |
| acc | 11 | 2.0 | 3 | Sequence optimized for monoidal construction and folding | (library, mit, unclassified) | 2023-11-29 | 0.2.0.3 | NikitaVolkov |
| achille | 1 | 0.0 | 0 | A library for building static site generators | (library, mit, web) | 2020-09-27 | 0.0.0 | flupe |
| acid-state-dist | 2 | 0.0 | 1 | A replication backend for acid-state | (database, library, mit) | 2015-08-21 | 0.1.0.1 | maxvoit |
| acme-iot | 1 | 0.0 | 1 | IO monad transformer | (control, library, mit) | 2016-08-13 | 0.1.0.1 | mniip |
| acme-memorandom | 4 | 0.0 | 1 | Memoized random number generation | (acme, library, mit) | 2015-05-15 | 0.0.3 | ion |
| acme-mutable-package (deprecated) | 3 | 2.5 | 1 | A mutable package. | (acme, deprecated, library, mit) | 2018-01-01 | 0 | fozworth, Hackage |
| acme-zalgo | 3 | 2.25 | 1 | A somewhat flexible Zalgo̐ te̳͜x̥̖̉̓͞t̍̌̔ ̀̃t̴̢̞̜͓̝r̶̬̆̂̒͟á̧̡͎͔̯̰̕n̹̾̓ͬͦ̍͘ṡ̢͓͉ͮ͆l̠̖̹̗̳̖̽̌ͤ͞a͚̭͙̹̲ͭͩt͈͐o̢̭͇͍̟͐ͬ̾ͪ͜r͇.̸̅ͭ̐̀̊ͨ͛ | (acme, library, mit) | 2018-02-25 | 0.1.2.1 | AntonEkblad |
| acquire | 14 | 0.0 | 5 | Abstraction over management of resources | (library, mit, resources) | 2024-10-31 | 0.3.6 | NikitaVolkov, effectfully, IrinaArtemeva, vlastachu |
| aeson-applicative | 1 | 0.0 | 1 | make To/From JSOn instances from an applicative description | (data, library, mit) | 2015-06-24 | 0.1.0.0 | GregWeber |
| aeson-better-errors | 19 | 0.0 | 12 | Better error messages when decoding JSON values. | (json, library, mit, text, web) | 2025-04-09 | 0.9.1.3 | hdgarrood, PureFunctor |
| aeson-casing | 13 | 0.0 | 41 | Tools to change the formatting of field names in Aeson instances. | (data, library, mit) | 2019-03-28 | 0.2.0.0 | andrewrademacher |
| aeson-deriving | 4 | 0.0 | 0 | data types for compositional, type-directed serialization | (library, mit, serialization) | 2020-10-10 | 0.1.1.2 | Cliff_Harvey |
| aeson-injector | 67 | 2.0 | 7 | Injecting fields into aeson values | (data, json, library, mit, web) | 2023-11-21 | 2.0.0.0 | NCrashed |
| aeson-json-ast | 1 | 0.0 | 1 | Integration layer for "json-ast" and "aeson" | (library, mit, unclassified) | 2016-11-16 | 0.1.1 | NikitaVolkov |
| aeson-jsonpath | 9 | 2.0 | 0 | Parse and run JSONPath queries on Aeson documents | (json, library, mit, text, web) | 2025-02-19 | 0.3.0.2 | taimoorzaeem |
| aeson-optics | 12 | 0.0 | 5 | Law-abiding optics for aeson | (data, json, library, mit, optics) | 2023-06-27 | 1.2.1 | phadej |
| aeson-options (deprecated) | 3 | 0.0 | 3 | Options to derive FromJSON/ToJSON instances | (data, deprecated, json, library, mit) | 2018-10-01 | 0.1.0 | serokell |
| aeson-qq | 16 | 2.0 | 12 | JSON quasiquoter for Haskell | (json, library, mit) | 2021-10-11 | 0.8.4 | OscarFinnsson, SimonHengel |
| aeson-schema | 42 | 0.0 | 1 | Haskell JSON schema validator and parser generator | (data, library, mit) | 2020-04-09 | 0.4.2.0 | MateuszKowalczyk, TimBaumann, ChristianMarie, ocramz |
| aeson-single-field | 1 | 2.0 | 0 | Conveniently wrap a single value in a record when encoding to and from JSON | (json, library, mit, text, web) | 2022-06-12 | 0.1.0.0 | edwardwas |
| aeson-smart | 3 | 2.0 | 1 | Smart derivation of Aeson instances | (library, mit, web) | 2012-08-17 | 0.2.0.0 | SamAnklesaria |
| aeson-t | 9 | 0.0 | 1 | Transform JSON | (data, library, mit) | 2015-04-28 | 0.0.5 | begriffs |
| aeson-toolkit | 3 | 0.0 | 1 | A generalization of Aeson over Failure | (json, library, mit, text, web) | 2013-12-07 | 0.0.1 | SimonHengel |
| aeson-unqualified-ast | 6 | 0.0 | 0 | Aliases to "aeson" AST making it importable unqualified | (library, mit, unclassified) | 2023-10-11 | 1.0.0.3 | NikitaVolkov |
| aeson-value-parser | 48 | 0.0 | 2 | API for parsing "aeson" JSON tree into Haskell types | (data, json, library, mit, parsing) | 2023-12-09 | 0.19.7.2 | NikitaVolkov |
| aeson-with | 12 | 0.0 | 1 | withXField combinators for aeson | (aeson, data, library, mit) | 2020-08-09 | 0.1.2.0 | locallycompact |
| aeson-yak | 8 | 0.0 | 1 | Handle JSON that may or may not be a list, or exist | (data, library, mit) | 2017-12-20 | 0.1.1.3 | tejon |
| affinely-extended | 1 | 0.0 | 1 | (data, library, mit) | 2017-04-05 | 0.1.0.0 | clinton | |
| aftovolio | 37 | 0.0 | 1 | An AFTOVolio implementation for creating texts with special phonetic / prosodic properties. | (aftovolio, language, library, math, mit, music, poetry, program, rhythmicity) | 2025-05-28 | 0.8.0.0 | OleksandrZhabenko |
| agda-language-server | 12 | 0.0 | 0 | An implementation of language server protocal (LSP) for Agda 2. | (development, library, mit, program) | 2023-11-23 | 0.2.6.3.0 | AndreasAbel, banacorn |
| agda-unused | 2 | 0.0 | 0 | Check for unused code in an Agda project. | (dependent-types, library, mit, program) | 2022-11-26 | 0.3.0 | msuperdock |
| airship | 17 | 0.0 | 1 | A Webmachine-inspired HTTP library | (library, mit, web) | 2022-04-11 | 0.9.5 | lambda_foo, reiddraper, patrick_thomson |
| alea | 15 | 0.0 | 1 | a diceware passphrase generator | (mit, program, utility) | 2017-08-03 | 0.5.3.0 | rnhmjoj |
| algebraic-graphs | 44 | 2.75 | 23 | A library for algebraic graph construction and transformation | (algebra, algorithms, data-structures, graphs, library, mit) | 2022-06-20 | 0.7 | snowleopard |
| algorithmic-composition-additional | 3 | 0.0 | 0 | Helps to create experimental music from a file (or its part) and a Ukrainian text. | (Ukrainian, algorithmic-composition, language, library, mit, music, program, sound, sox) | 2022-08-17 | 0.2.0.0 | OleksandrZhabenko |
| algorithmic-composition-basic | 12 | 0.0 | 4 | Helps to create experimental music from a file (or its part) and a Ukrainian text. | (Ukrainian, algorithmic-composition, language, library, mit, music, sound, sox) | 2022-08-17 | 0.6.0.0 | OleksandrZhabenko |
| algorithmic-composition-complex | 3 | 0.0 | 0 | Helps to create more complex experimental music from a file (especially timbre). | (Ukrainian, algorithmic-composition, library, mit, music, sound, sox) | 2022-08-17 | 0.2.0.0 | OleksandrZhabenko |
| algorithmic-composition-frequency-shift | 2 | 0.0 | 0 | Helps to create experimental music. Uses SoX inside. | (algorithmic-composition, library, mit, music, sound, sox) | 2021-02-24 | 0.1.0.0 | OleksandrZhabenko |
| algorithmic-composition-overtones | 5 | 0.0 | 0 | Some variants of the overtones functions to generate a timbre. | (algorithmic-composition, audio, library, mit, sound, sox, timbre) | 2022-02-19 | 0.1.1.0 | OleksandrZhabenko |
| align-equal | 21 | 2.0 | 0 | Aligns text prefixes before '=' for consistent formatting | (library, mit, program, text) | 2025-04-04 | 1.0.1.2 | JoonkyuPark |
| align-text | 3 | 0.0 | 1 | A simple unix filter to align text on specified substrings | (mit, program, text) | 2015-01-13 | 0.1.0.1 | DanielChoi |
| amazon-products | 1 | 0.0 | 1 | Connector for Amazon Products API | (library, mit, program, web) | 2014-07-09 | 0.1.0.1 | andrewrademacher |
| amazonka-mtl | 20 | 0.0 | 1 | MTL-style type-class and deriving-via newtypes for Amazonka | (library, mit, utils) | 2025-06-25 | 0.1.1.3 | PatrickBrisbin, dukerutledge, mjgpy3, chris_martin, FreckleEngineering, OlaoluwaM |
| amqp-conduit | 11 | 0.0 | 1 | Conduit bindings for AMQP (see amqp package) | (library, mit, network) | 2017-07-12 | 0.3.0.0 | toru_tomita |
| animalcase | 4 | 0.0 | 2 | Convert camelCase to snake_case and vice versa | (library, mit, text) | 2014-11-14 | 0.1.0.2 | ibotty |
| animate-frames | 5 | 0.0 | 0 | Convert sprite frames to animate files | (game, library, mit, program) | 2018-05-30 | 0.0.1 | jxv |
| anitomata | 5 | 0.0 | 0 | Composable sprite animation | (game, library, mit) | 2024-12-17 | 0.1.0.3 | jship |
| anitomata-aseprite | 6 | 0.0 | 0 | Code gen for Aseprite animations | (game, library, mit, program) | 2024-12-17 | 0.1.1.3 | jship |
| ansi-escape-codes | 2 | 0.0 | 1 | Haskell package to generate ANSI escape codes for styling strings in the terminal. | (library, mit, unclassified) | 2017-12-14 | 0.3.0.0 | joegesualdo |
| ansigraph | 8 | 0.0 | 2 | Terminal-based graphing via ANSI and Unicode | (graphics, library, mit) | 2017-12-28 | 0.3.0.5 | Cliff_Harvey |
| antelude | 1 | 0.0 | 0 | Yet another alternative Prelude for Haskell. | (library, mit, prelude) | 2024-08-03 | 0.1.0 | dneaves |
| antigate | 20 | 0.0 | 1 | Interface for antigate.com captcha recognition API | (captcha, library, mit, network-apis, text-recognition) | 2017-06-12 | 2.0.2 | MikhailKuddah |
| antiope-athena | 61 | 0.0 | 1 | Please see the README on Github at <https://github.com/arbor/antiope#readme> | (library, mit, services) | 2020-10-22 | 7.5.3 | newhoggy, alexeyraga, arbornetworks, dsturnbull |
| antiope-contract | 48 | 0.0 | 1 | Please see the README on Github at <https://github.com/arbor/antiope#readme> | (library, mit, services) | 2020-10-22 | 7.5.3 | newhoggy, alexeyraga, arbornetworks, dsturnbull |
| antiope-core | 68 | 0.0 | 6 | Please see the README on Github at <https://github.com/arbor/antiope#readme> | (library, mit, services) | 2020-10-22 | 7.5.3 | newhoggy, alexeyraga, arbornetworks, dsturnbull |
| antiope-dynamodb | 65 | 0.0 | 1 | Please see the README on Github at <https://github.com/arbor/antiope#readme> | (library, mit, services) | 2020-10-22 | 7.5.3 | newhoggy, alexeyraga, arbornetworks, dsturnbull |
| antiope-es | 12 | 0.0 | 0 | Please see the README on Github at <https://github.com/arbor/antiope#readme> | (library, mit, services) | 2020-10-22 | 7.5.3 | arbornetworks |
| antiope-messages | 53 | 0.0 | 3 | Please see the README on Github at <https://github.com/arbor/antiope#readme> | (library, mit, services) | 2020-10-22 | 7.5.3 | newhoggy, alexeyraga, arbornetworks, dsturnbull |
| antiope-optparse-applicative | 61 | 0.0 | 1 | Please see the README on Github at <https://github.com/arbor/antiope#readme> | (library, mit, services) | 2020-10-22 | 7.5.3 | arbornetworks |
| antiope-s3 | 112 | 0.0 | 7 | Please see the README on Github at <https://github.com/arbor/antiope#readme> | (library, mit, services) | 2020-10-22 | 7.5.3 | newhoggy, alexeyraga, arbornetworks, dsturnbull |
| antiope-shell | 16 | 0.0 | 0 | Please see the README on Github at <https://github.com/arbor/antiope#readme> | (library, mit, services) | 2020-10-22 | 7.5.3 | arbornetworks |
| antiope-sns | 59 | 0.0 | 1 | Please see the README on Github at <https://github.com/arbor/antiope#readme> | (library, mit, services) | 2020-10-22 | 7.5.3 | newhoggy, alexeyraga, arbornetworks, dsturnbull |
| antiope-sqs | 112 | 0.0 | 1 | Please see the README on Github at <https://github.com/arbor/antiope#readme> | (library, mit, services) | 2020-10-22 | 7.5.3 | newhoggy, alexeyraga, arbornetworks, dsturnbull |
| antiope-swf | 14 | 0.0 | 0 | Please see the README on Github at <https://github.com/arbor/antiope#readme> | (library, mit, services) | 2019-10-08 | 7.4.4 | arbornetworks |
| ap-normalize | 13 | 0.0 | 2 | Self-normalizing applicative expressions | (control, library, mit) | 2021-05-25 | 0.1.0.1 | lyxia |
| api-monobank | 15 | 2.0 | 0 | (library, mit, program, web) | 2019-07-17 | 0.1.3.0 | sigrlami | |
| api-opentheory-unicode | 3 | 0.0 | 1 | OpenTheory unicode character API | (library, mit, text) | 2015-05-13 | 1.2 | JoeHurd |
| api-rpc-accumulate | 1 | 0.0 | 0 | JSON-RPC API client for Accumulate blockchain | (library, mit, program, web) | 2022-02-19 | 0.1.0.0 | sigrlami |
| api-rpc-factom | 3 | 0.0 | 0 | RPC API client for Factom | (library, mit, program, web) | 2019-10-25 | 0.1.3.2 | sigrlami |
| api-rpc-pegnet | 4 | 0.0 | 0 | simple json-rpc client for PegNet | (library, mit, web) | 2020-01-13 | 0.1.1.2 | sigrlami |
| api-yoti | 0 | 0.0 | 0 | Api bindings for Yoti services | (library, mit, web) | 2019-07-30 | 0.1.0.0 | sigrlami |
| apiary | 147 | 2.5 | 15 | Simple and type safe web framework that generate web API documentation. | (library, mit, web) | 2017-10-27 | 2.1.2 | HirotomoMoriwaki, winterland |
| apiary-authenticate | 25 | 0.0 | 1 | authenticate support for apiary web framework. | (library, mit, web) | 2017-10-27 | 1.5.1 | HirotomoMoriwaki, winterland |
| apiary-clientsession | 24 | 0.0 | 2 | clientsession support for apiary web framework. | (library, mit, web) | 2017-10-27 | 1.5.1 | HirotomoMoriwaki, winterland |
| apiary-cookie | 59 | 0.0 | 2 | Cookie support for apiary web framework. | (library, mit, web) | 2017-10-26 | 1.5.1 | HirotomoMoriwaki, winterland |
| apiary-eventsource | 23 | 0.0 | 1 | eventsource support for apiary web framework. | (library, mit, web) | 2017-10-27 | 1.5.1 | HirotomoMoriwaki, winterland |
| apiary-helics | 24 | 0.0 | 1 | helics support for apiary web framework. | (library, mit, web) | 2015-03-04 | 1.4.0 | HirotomoMoriwaki, winterland |
| apiary-http-client | 6 | 0.0 | 1 | A http client for Apiary. | (library, mit, web) | 2017-11-01 | 0.1.4.0 | winterland |
| apiary-logger | 45 | 0.0 | 2 | fast-logger support for apiary web framework. | (library, mit, web) | 2017-10-27 | 1.5.1 | HirotomoMoriwaki, winterland |
| apiary-memcached | 7 | 0.0 | 1 | memcached client for apiary web framework. | (library, mit, web) | 2015-03-04 | 1.4.0 | HirotomoMoriwaki, winterland |
| apiary-mongoDB | 12 | 0.0 | 1 | mongoDB support for apiary web framework. | (library, mit, web) | 2017-10-27 | 1.5.1 | HirotomoMoriwaki, winterland |
| apiary-persistent | 27 | 2.0 | 1 | persistent support for apiary web framework. | (library, mit, web) | 2017-10-25 | 1.5.1 | HirotomoMoriwaki, winterland |
| apiary-purescript | 16 | 0.0 | 1 | purescript compiler for apiary web framework. | (library, mit, web) | 2015-03-04 | 1.4.0 | HirotomoMoriwaki, winterland |
| apiary-redis | 5 | 0.0 | 1 | redis support for apiary web framework. | (library, mit, web) | 2017-11-11 | 1.5.1 | winterland |
| apiary-session | 4 | 0.0 | 3 | session support for apiary web framework. | (library, mit, web) | 2017-10-24 | 1.5.0 | HirotomoMoriwaki, winterland |
| apiary-websockets | 29 | 0.0 | 1 | websockets support for apiary web framework. | (library, mit, web) | 2017-10-24 | 1.5.0 | HirotomoMoriwaki, winterland |
| apotiki | 3 | 0.0 | 1 | a faster debian repository | (library, mit, program, system) | 2014-01-24 | 0.5.2 | pyr |
| appc | 7 | 0.0 | 1 | app container types and tools | (data, library, mit, program) | 2015-04-10 | 0.0.6 | wereHamster |
| appendful | 4 | 0.0 | 2 | (library, mit, unclassified) | 2022-06-19 | 0.1.0.0 | Norfair | |
| appendful-persistent | 4 | 0.0 | 0 | (library, mit, unclassified) | 2023-10-09 | 0.1.0.1 | Norfair | |
| applicable | 6 | 0.0 | 0 | A class for things that can be applied | (data, library, mit) | 2022-07-17 | 0.4.1.0 | anselmschueler |
| approveapi | 3 | 0.0 | 0 | ApproveAPI Haskell Client | (api, client, library, mit) | 2019-04-01 | 0.1.3.0 | kcking |
| approx | 2 | 2.0 | 0 | Easy-to-use emulation of approximate, ranges and tolerances in Haskell | (library, mit, numeric, program) | 2021-02-15 | 0.1.0.1 | kishaloy |
| ar-timestamp-wiper | 3 | 0.0 | 1 | Wipes time stamps from .a files (like ar -D) | (application, library, mit, program) | 2013-08-07 | 0.1.0 | NiklasHambuechen, PatrickChilton |
| arbor-datadog | 6 | 0.0 | 3 | Datadog client for Haskell. | (library, mit, network) | 2019-10-17 | 0.1.0.1 | newhoggy, haskellworks, arbornetworks |
| arbor-lru-cache | 3 | 1.25 | 1 | LRU cache based on STM | (concurrency, data, library, mit) | 2019-10-03 | 0.1.1.1 | newhoggy, arbornetworks |
| arbor-monad-counter | 4 | 0.0 | 1 | Counter library for submitting metrics to a backend such as datadog | (library, mit, services) | 2019-10-17 | 2.0.2 | newhoggy, haskellworks, arbornetworks |
| arbor-monad-logger | 6 | 0.0 | 0 | Simple logging library | (library, logging, mit, program) | 2019-10-17 | 0.1.1.3 | arbornetworks |
| arbor-monad-metric | 8 | 0.0 | 1 | Core metric library for publishing metrics. | (library, metrics, mit) | 2019-10-17 | 1.2.1 | newhoggy, haskellworks, arbornetworks |
| arbor-monad-metric-datadog | 10 | 0.0 | 0 | Metric library backend for datadog. | (library, metrics, mit) | 2019-11-18 | 1.1.2 | newhoggy, haskellworks, arbornetworks |
| arbor-postgres | 6 | 0.0 | 1 | Convenience types and functions for postgresql-simple. | (library, mit, services) | 2019-10-17 | 0.0.5 | newhoggy, haskellworks, arbornetworks |
| arch-hs | 28 | 0.0 | 0 | Distribute hackage packages to archlinux | (distribution, library, mit, program) | 2025-07-23 | 0.12.0.2 | felixonmars, berberman |
| arch-web | 15 | 0.0 | 1 | Arch Linux official and AUR web interface binding | (library, mit, web) | 2024-10-25 | 0.3.1 | felixonmars, berberman |
| argo | 21 | 0.0 | 0 | Parse and render JSON. | (json, library, mit, program) | 2022-08-28 | 0.2022.8.28 | fozworth |
| ariadne | 8 | 0.0 | 1 | Go-to-definition for Haskell | (language, mit, program) | 2014-11-01 | 0.1.2.3 | RomanCheplyaka, manzyuk |
| arion | 11 | 2.0 | 1 | Watcher and runner for Hspec | (mit, program, testing) | 2015-04-01 | 0.1.0.8 | karun012 |
| arithmetic | 11 | 0.0 | 1 | Natural number arithmetic | (library, mit, number-theory, program) | 2020-03-11 | 1.6 | JoeHurd |
| arithmetic-circuits | 1 | 0.0 | 0 | Arithmetic circuits for zkSNARKs | (cryptography, library, mit) | 2020-01-15 | 0.2.0 | sdiehl |
| arithmoi | 56 | 2.25 | 24 | Efficient basic number-theoretic functions. | (algorithms, library, math, mit, number-theory) | 2025-04-16 | 0.13.1.0 | CarterSchonwald, DanielFischer, HerbertValerioRiedel, Bodigrim |
| arity-generic-liftA | 0 | 0.0 | 0 | Provides an arity-generic version of the liftA2, liftA3... liftAn functions. | (control, library, mit) | 2018-12-31 | 0.1.0.0 | oisdk |
| array-list | 3 | 2.0 | 0 | IsList instances of Array for OverloadedLists extension | (array, data, library, list, mit) | 2020-06-23 | 0.2.0.0 | epoberezkin |
| arrow-improve | 2 | 0.0 | 1 | Improved arrows. | (control, library, mit) | 2014-02-18 | 0.1.0.0 | alynn |
| asana | 3 | 0.0 | 0 | Asana API Client | (library, mit, utils) | 2024-01-19 | 1.0.1.1 | PatrickBrisbin, dukerutledge, mjgpy3, chris_martin, FreckleEngineering, OlaoluwaM |
| ascetic | 4 | 0.0 | 3 | Generic markup builder. | (library, mit, text) | 2014-07-23 | 0.0.0.4 | AndreiLapets |
| ascii-flatten | 5 | 0.0 | 0 | Flattens European non-ASCII characaters into ASCII | (library, mit, program, text) | 2016-05-11 | 0.1.1.0 | DanielChoi |
| ascii-progress | 60 | 0.0 | 5 | A simple progress bar for the console. | (library, mit, system) | 2016-04-18 | 0.3.3.0 | yamadapc |
| ascii-string | 9 | 0.0 | 2 | Compact representation of ASCII strings | (library, mit, unclassified) | 2019-06-02 | 1.0.1.4 | NikitaVolkov |
| asciichart | 3 | 0.0 | 1 | Line charts in terminal | (library, mit, text) | 2020-09-29 | 1.0.2 | madnight |
| asif | 21 | 2.0 | 0 | Library for creating and querying segmented feeds | (library, mit, program, services) | 2020-01-17 | 6.0.4 | newhoggy, haskellworks, arbornetworks |
| assert4hs (deprecated in favor of assert4hs-core) | 5 | 2.0 | 1 | A set of assertion for writing more readable tests cases | (deprecated, library, mit, testing) | 2021-03-25 | 0.0.0.1 | paweln1986 |
| assert4hs-core | 4 | 0.0 | 2 | A set of assertion for writing more readable tests cases | (library, mit, testing) | 2021-04-08 | 0.1.0 | paweln1986 |
| assert4hs-hspec | 5 | 0.0 | 0 | integration point of assert4hs and hspec | (library, mit, testing) | 2021-04-08 | 0.1.0 | paweln1986 |
| assert4hs-tasty | 3 | 0.0 | 0 | Provider for tasty runner to run assert4hs tests | (library, mit, web) | 2021-04-08 | 0.1.0 | paweln1986 |
| assertions | 2 | 0.0 | 1 | A simple testing framework. | (library, mit, testing) | 2014-06-05 | 0.1.0.4 | vi |
| assoc-list | 2 | 2.0 | 1 | Association lists (lists of tuples) | (data, library, mit) | 2021-08-11 | 0.1.0.1 | chris_martin, Monoid_Mary |
| assoc-listlike | 3 | 0.0 | 1 | Association lists (list-like collections of tuples) | (data, library, mit) | 2021-08-11 | 0.1.0.1 | chris_martin, Monoid_Mary |
| async-ajax | 0 | 0.0 | 1 | Crossbrowser async AJAX Bindings for GHCJS | (library, mit, web) | 2016-07-24 | 0.2.0.0 | AlexanderThiemann |
| async-extra | 5 | 0.0 | 1 | Useful concurrent combinators | (library, mit, web) | 2017-05-28 | 0.2.0.0 | AlexanderThiemann |
| async-pool | 12 | 0.0 | 5 | A modified version of async that supports worker groups and many-to-many task dependencies | (library, mit, system) | 2023-07-03 | 0.9.2 | JohnWiegley |
| asynchronous-exceptions (deprecated) | 4 | 0.0 | 1 | Distinguish between synchronous and asynchronous exceptions | (control, deprecated, library, mit) | 2014-02-05 | 1.1.0.1 | RomanCheplyaka |
| atom-msp430 | 7 | 0.0 | 1 | Convenience functions for using Atom with the MSP430 microcontroller family. | (embedded, library, mit) | 2014-01-06 | 0.5.3 | DanielBuckmaster |
| atomic-write | 29 | 2.0 | 7 | Atomically write to a file | (library, mit, system) | 2025-02-13 | 0.2.1.1 | jsl, stackbuilders, sestrella, wild_willy, amejia |
| atrans | 3 | 0.0 | 1 | A small collection of monad (transformer) instances. | (library, mit, monads) | 2016-01-20 | 0.1.1.0 | apho |
| atrophy | 3 | 0.0 | 0 | Faster integer division and modulus operations | (library, math, mit) | 2022-08-21 | 0.1.0.0 | goolord |
| attoparsec-conduit (deprecated in favor of conduit-extra) | 21 | 0.0 | 34 | Consume attoparsec parsers via conduit. (deprecated) | (conduit, data, deprecated, library, mit, parsing) | 2014-04-02 | 1.1.0 | MichaelSnoyman |
| attoparsec-data | 16 | 0.0 | 6 | Parsers for the standard Haskell data types | (library, mit, parsing) | 2023-12-09 | 1.0.5.4 | NikitaVolkov |
| attoparsec-enumerator (deprecated) | 19 | 0.0 | 23 | Pass input from an enumerator to an Attoparsec parser. | (deprecated, enumerator, library, mit, parsing, text) | 2015-05-16 | 0.3.4 | JohnMillikin |
| attoparsec-parsec | 18 | 0.0 | 1 | An Attoparsec compatibility layer for Parsec | (library, mit, parsing) | 2014-03-21 | 0.1.3 | SimonHengel |
| attoparsec-text-enumerator | 3 | 0.0 | 2 | (deprecated) | (enumerator, library, mit, parsing, text) | 2012-01-30 | 0.2.0.1 | FelipeLessa |
| attoparsec-time | 19 | 0.0 | 4 | Attoparsec parsers of time | (attoparsec, library, mit, parsers, time) | 2023-12-09 | 1.0.3.1 | NikitaVolkov |
| attoparsec-trans | 7 | 0.0 | 2 | Interleaved effects for attoparsec parsers | (control, library, mit) | 2015-06-16 | 0.1.1.0 | srijs |
| authenticate | 285 | 0.0 | 13 | Authentication methods for Haskell web applications. | (library, mit, web) | 2023-09-14 | 1.3.5.2 | FelipeLessa, MichaelSnoyman |
| authinfo-hs | 1 | 0.0 | 1 | Password querying for .authinfo | (library, mit, system) | 2014-10-29 | 0.1.0.0 | robgssp |
| auto | 15 | 2.25 | 1 | Denotative, locally stateful programming DSL & platform | (control, library, mit) | 2017-01-14 | 0.4.3.1 | jle |
| auto-update | 62 | 0.0 | 28 | Efficiently run periodic, on-demand actions | (control, library, mit) | 2024-12-23 | 0.2.6 | KazuYamamoto, MichaelSnoyman |
| autodocodec | 45 | 0.0 | 24 | Self-documenting encoder and decoder | (library, mit, unclassified) | 2025-06-20 | 0.5.0.0 | Norfair |
| autodocodec-exact | 4 | 0.0 | 0 | Exact decoder for autodocodec | (library, mit, unclassified) | 2025-06-20 | 0.0.0.1 | Norfair |
| autodocodec-nix | 11 | 0.0 | 1 | Autodocodec interpreters for nix | (library, mit, unclassified) | 2025-02-14 | 0.1.0.0 | Norfair |
| autodocodec-openapi3 | 15 | 0.0 | 1 | Autodocodec interpreters for openapi3 | (library, mit, unclassified) | 2025-07-10 | 0.3.0.1 | Norfair |
| autodocodec-schema | 10 | 0.0 | 3 | Autodocodec interpreters for JSON Schema | (library, mit, unclassified) | 2025-02-14 | 0.2.0.1 | Norfair |
| autodocodec-servant-multipart | 6 | 0.0 | 0 | Autodocodec interpreters for Servant Multipart | (library, mit, unclassified) | 2025-06-20 | 0.0.0.2 | Norfair |
| autodocodec-swagger2 | 10 | 0.0 | 0 | Autodocodec interpreters for swagger2 | (library, mit, unclassified) | 2024-07-29 | 0.1.0.0 | Norfair |
| autodocodec-yaml | 17 | 0.0 | 5 | Autodocodec interpreters for yaml | (library, mit, unclassified) | 2025-06-20 | 0.4.0.2 | Norfair |
| autoexporter | 66 | 2.0 | 4 | Automatically re-export modules. | (library, mit, program, utility) | 2025-05-22 | 2.0.0.15 | fozworth |
| automaton | 2 | 0.0 | 3 | Effectful streams and automata in coalgebraic encoding | (library, mit, program, streaming) | 2024-11-12 | 1.5 | turion |
| avers-api | 8 | 0.0 | 2 | Types describing the core and extended Avers APIs | (avers, library, mit) | 2017-09-17 | 0.1.0 | wereHamster |
| avers-api-docs | 4 | 0.0 | 1 | Swagger documentation for the Avers API | (avers, library, mit) | 2017-02-06 | 0.0.18.0 | wereHamster |
| avers-server | 16 | 0.0 | 1 | Server implementation of the Avers API | (avers, library, mit) | 2018-10-26 | 0.1.0.1 | wereHamster |
| avwx | 7 | 0.0 | 0 | Parse aviation weather reports | (aviation, library, mit, program) | 2020-08-03 | 0.3.0.3 | hc |
| aws-academy-grade-exporter | 0 | 0.0 | 0 | Export grades from AWS Academy to different formats | (mit, program, text) | 2025-06-15 | 0.1.0.0 | aloussase |
| aws-cloudfront-signed-cookies | 14 | 2.0 | 0 | Generate signed cookies for AWS CloudFront | (aws, cloud, library, mit, network, program) | 2025-01-21 | 0.2.0.13 | chris_martin, Monoid_Mary |
| aws-dynamodb-conduit | 12 | 0.0 | 1 | Conduit-based interface for AWS DynamoDB | (aws, library, mit) | 2015-06-26 | 0.1.0.6 | srijs |
| aws-easy | 3 | 0.0 | 0 | Helper function and types for working with amazonka | (library, mit, network, program) | 2021-11-02 | 0.1.0.3 | rcook |
| aws-general | 12 | 0.0 | 7 | Bindings for Amazon Web Services (AWS) General Reference | (aws, cloud, distributed-computing, library, mit, network, web) | 2015-03-30 | 0.2.2 | larsk |
| aws-larpi | 1 | 2.0 | 0 | Package Haskell functions for easy use on AWS Lambda. | (aws, library, mit) | 2021-01-26 | 0.1.0.0 | tritlo |
| aws-performance-tests | 3 | 0.0 | 1 | Performance Tests for the Haskell bindings for Amazon Web Services (AWS) | (aws, cloud, distributed-computing, library, mit, network, program, web) | 2014-09-02 | 0.1.1 | larsk |
| aws-secrets | 2 | 0.0 | 0 | Fetch data from AWS Secrets Manager | (aws, library, mit, password) | 2025-01-21 | 0.0.0.1 | chris_martin |
| aws-simple | 8 | 0.0 | 1 | Dead simple bindings to commonly used AWS Services | (library, mit, web) | 2017-03-11 | 0.4.0.0 | AlexanderThiemann |
| aws-sns | 3 | 0.0 | 1 | Bindings for AWS SNS Version 2013-03-31 | (aws, cloud, distributed-computing, library, mit, network, web) | 2014-08-05 | 0.1 | larsk |
| aws-sns-verify | 4 | 0.0 | 0 | Parse and verify AWS SNS messages | (amazon, aws, cloud, cryptography, distributed-computing, library, mit, network, web) | 2023-07-26 | 0.0.0.3 | PatrickBrisbin, dukerutledge, mjgpy3, chris_martin, FreckleEngineering, OlaoluwaM |
| aws-xray-client | 3 | 0.0 | 2 | A client for AWS X-Ray. | (library, mit, tracing) | 2022-04-06 | 0.1.0.2 | PatrickBrisbin, dukerutledge, mjgpy3, chris_martin, FreckleEngineering, OlaoluwaM |
| aws-xray-client-persistent | 5 | 0.0 | 1 | A client for AWS X-Ray integration with Persistent. | (library, mit, unclassified) | 2022-04-06 | 0.1.0.5 | PatrickBrisbin, dukerutledge, mjgpy3, chris_martin, FreckleEngineering, OlaoluwaM |
| aws-xray-client-wai | 3 | 0.0 | 1 | A client for AWS X-Ray integration with WAI. | (library, mit, unclassified) | 2022-04-06 | 0.1.0.2 | PatrickBrisbin, dukerutledge, mjgpy3, chris_martin, FreckleEngineering, OlaoluwaM |
| axiom | 6 | 0.0 | 1 | Web EDSL for running in browsers and server nodes using transient | (library, mit, web) | 2018-05-29 | 0.4.7 | AlbertoCorona |
| axiomatic-classes | 1 | 0.0 | 1 | Specify axioms for type classes and quickCheck all available instances | (library, mit, testing) | 2016-10-28 | 0.1.0.0 | SimonHudon, bandali |
| azure-functions-worker | 1 | 0.0 | 0 | Azure Functions Worker | (azure, cloud, library, mit, serverless) | 2020-07-03 | 0.0.0.0 | alexeyraga |
| b9 | 77 | 2.0 | 1 | A tool and library for building virtual machine images. | (development, library, mit, program) | 2022-03-28 | 3.2.3 | SvenHeyll |
| babynf | 0 | 0.0 | 0 | Library for generating parsers from ABNF | (data, library, mit) | 2024-08-05 | 0.1.0.2 | barnaba_piotrowski |
| bag (deprecated in favor of dlist) | 1 | 0.0 | 1 | A simple stable bag. | (data-structures, deprecated, library, mit) | 2011-07-22 | 0.1 | DanielWaterworth |
| bank-holiday-germany | 14 | 0.0 | 0 | German bank holidays and public holidays | (library, mit, time) | 2025-04-18 | 2.1.0.0 | schoettl |
| bank-holiday-usa | 6 | 0.0 | 1 | US bank holidays | (library, mit, time) | 2021-11-11 | 0.2.0 | tippenein |
| banwords (deprecated) | 6 | 0.0 | 1 | Generalized word blacklister | (deprecated, heuristics, library, mit) | 2015-07-14 | 0.2.0.1 | fanjam |
| barcodes-code128 | 0 | 0.0 | 1 | Generate Code 128 barcodes as PDFs | (graphics, library, mit) | 2014-10-31 | 0.1.0 | dchristiansen |
| barrier | 4 | 0.0 | 1 | Shields.io style badge generator | (graphics, library, mit) | 2016-12-12 | 0.1.1 | HirotomoMoriwaki |
| base-compat | 123 | 2.0 | 166 | A compatibility layer for base | (compatibility, library, mit) | 2024-12-06 | 0.14.1 | SimonHengel, ryanglscott |
| base-compat-batteries | 18 | 0.0 | 24 | base-compat with extra batteries | (compatibility, library, mit) | 2024-12-06 | 0.14.1 | ryanglscott |
| base-generics | 5 | 0.0 | 1 | This library provides some instances for extra GHC.Generic typeclass such as Int8, Word16 and some unboxed types as well. | (generic, library, mit) | 2015-06-19 | 0.1.0.1 | songzh |
| base-orphans | 49 | 2.0 | 59 | Backwards-compatible orphan instances for base | (compatibility, library, mit) | 2024-12-06 | 0.9.3 | EdwardKmett, HerbertValerioRiedel, SimonHengel, ryanglscott |
| base-prelude | 64 | 2.25 | 96 | Featureful preludes formed solely from the "base" package | (library, mit, prelude) | 2023-10-11 | 1.6.1.1 | NikitaVolkov |
| base32string | 6 | 0.0 | 2 | Fast and safe representation of a Base-32 string | (data, library, mit) | 2015-05-27 | 0.9.1 | solatis |
| base58string | 6 | 0.0 | 4 | Fast and safe representation of a Base-58 string | (data, library, mit) | 2015-05-10 | 0.10.0 | solatis |
| base91 | 8 | 0.0 | 0 | A Generic Base91 Encoder & Decoder | (codec, library, mit, program) | 2015-07-11 | 2.1.0 | ajg |
| based | 1 | 0.0 | 0 | alternative prelude | (library, mit, prelude) | 2022-06-20 | 0.1 | chessai |
| basex-client | 4 | 0.0 | 1 | A BaseX client for Haskell | (database, library, mit) | 2015-12-08 | 0.2.0.0 | MatthijsSteen |
| basic-gps | 2 | 0.0 | 0 | Basic implementation of General Problem Solver algorithm | (ai, library, mit) | 2023-12-04 | 0.1.0.0 | InAnYan |
| basic-prelude | 82 | 2.25 | 34 | An enhanced core prelude; a common foundation for alternate preludes. | (control, library, mit, prelude) | 2017-12-05 | 0.7.0 | DanBurton, MichaelSnoyman |
| battlenet | 4 | 0.0 | 2 | API client for Battle.Net | (library, mit, network) | 2015-02-01 | 0.2.0.0 | teozkr |
| battlenet-yesod | 3 | 0.0 | 1 | Yesod integration for the battlenet package | (library, mit, network) | 2015-02-01 | 0.2.0.0 | teozkr |
| battleplace | 12 | 0.0 | 1 | Core definitions for BattlePlace.io service | (game, library, mit) | 2020-08-08 | 0.1.0.10 | quyse |
| battleplace-api | 6 | 0.0 | 1 | Public API definitions of BattlePlace.io service | (game, library, mit) | 2018-07-24 | 0.1.0.3 | quyse |
| bcp47 | 13 | 0.0 | 2 | Language tags as specified by BCP 47 | (data, data-structures, library, mit) | 2025-07-08 | 0.3.0.0 | PatrickBrisbin, dukerutledge, mjgpy3, chris_martin, FreckleEngineering, OlaoluwaM |
| bcp47-orphans | 19 | 0.0 | 0 | BCP47 orphan instances | (library, mit, orphan-instances) | 2025-07-09 | 0.1.3.0 | PatrickBrisbin, dukerutledge, mjgpy3, chris_martin, FreckleEngineering, OlaoluwaM |
| bdd | 4 | 0.0 | 1 | Behavior-Driven Development DSL | (library, mit, testing) | 2014-12-20 | 0.2.0.0 | irekjozwiak |
| bdelta (deprecated in favor of bytestring-delta) | 2 | 0.0 | 1 | Simple, fast binary diff/patch | (data, deprecated, library, mit) | 2012-02-22 | 0.1.1.1 | JoeyAdams |
| beam (deprecated in favor of beam-core) | 5 | 2.5 | 1 | A type-safe SQL mapper for Haskell that doesn't use Template Haskell | (database, deprecated, library, mit) | 2016-01-26 | 0.3.2.0 | TravisAthougies |
| beam-core | 24 | 2.5 | 13 | Type-safe, feature-complete SQL query and manipulation interface for Haskell | (database, library, mit) | 2025-06-19 | 0.10.4.0 | TravisAthougies, 3noch, LaurentRDC, kmicklas |
| beam-migrate | 50 | 0.0 | 4 | SQL DDL support and migrations support library for Beam | (database, library, mit) | 2025-05-06 | 0.5.3.2 | TravisAthougies, 3noch, LaurentRDC, kmicklas |
| beam-mysql | 2 | 0.0 | 0 | Connection layer between beam and MySQL/MariaDB | (database, library, mit) | 2019-03-19 | 0.2.0.0 | TravisAthougies, LaurentRDC, kmicklas |
| beam-newtype-field (deprecated) | 0 | 0.0 | 0 | A newtype for wrapping newtypes into beam schemas | (database, deprecated, library, mit) | 2018-12-29 | 0.2.0.0 | |
| beam-postgres | 42 | 2.25 | 5 | Connection layer between beam and postgres | (database, library, mit) | 2025-05-30 | 0.5.4.3 | TravisAthougies, 3noch, LaurentRDC, kmicklas |
| beam-sqlite | 26 | 0.0 | 2 | Beam driver for SQLite | (database, library, mit) | 2025-06-10 | 0.5.4.1 | TravisAthougies, 3noch, LaurentRDC, kmicklas |
| bearlibterminal | 8 | 0.0 | 0 | Low-level Haskell bindings to the BearLibTerminal graphics library. | (game, game-development, game-engine, graphics, library, mit, program) | 2025-03-16 | 0.1.0.1 | PPKFS |
| bed-and-breakfast | 37 | 0.0 | 2 | Efficient Matrix and Vector operations in 100% Haskell. | (library, linear-algebra, math, mit, numeric) | 2018-10-22 | 0.5 | JulianFleischer |
| belka | 1 | 0.0 | 1 | HTTP client DSL | (library, mit, unclassified) | 2018-01-22 | 0.8 | NikitaVolkov |
| benc | 2 | 0.0 | 0 | Bencode encoding and decoding library | (codec, library, mit) | 2023-12-05 | 0.1.1.0 | meooow |
| benign | 2 | 0.0 | 2 | A library for benign effects | (library, mit, program, unclassified) | 2025-05-23 | 0.1.0 | aspiwack |
| benign-katip | 0 | 0.0 | 0 | A Benign backend for the Katip library | (library, mit, unclassified) | 2025-05-23 | 0.1.0 | aspiwack |
| benign-timestats | 1 | 0.0 | 0 | A Benign backend for the Timestats library | (library, mit, unclassified) | 2025-05-23 | 0.1.0 | aspiwack |
| bento (deprecated) | 0 | 2.0 | 1 | 🍱 Manage stateful components. | (deprecated, library, mit, utility) | 2016-04-16 | 0.1.0 | fozworth |
| bet | 10 | 0.0 | 1 | Betfair API bindings. Bet on sports on betting exchanges. | (library, mit, network) | 2015-07-27 | 0.1.2.3 | Adeon |
| bglib | 6 | 0.0 | 0 | Implementation of the BGAPI serial protocol | (library, mit, program) | 2020-12-23 | 3.0.0.0 | tamasFabian |
| bibdb | 5 | 0.0 | 1 | A database based bibliography manager for BibTeX | (mit, program, text) | 2016-11-18 | 0.5.3 | cacay |
| bidirectional-instances | 1 | 0.0 | 0 | Make instance constraints bidirectional | (language, library, mit) | 2022-09-04 | 0.1.0.0 | lev_135 |
| binary-conduit | 17 | 0.0 | 17 | data serialization/deserialization conduit library | (conduit, library, mit) | 2018-10-13 | 1.3.1 | AlexanderVershilov, MathieuBoespflug, ocramz |
| binary-parser | 23 | 0.0 | 7 | An efficient but limited parser API specialised to bytestrings | (binary, library, mit, parser) | 2025-02-01 | 0.5.7.7 | NikitaVolkov |
| binary-tree | 1 | 0.0 | 1 | (library, mit, unclassified) | 2018-02-14 | 0.1.0.0 | oisdk | |
| binder | 4 | 0.0 | 0 | Variable binding for abstract syntax tree | (data, library, mit) | 2023-10-09 | 0.3 | ijaketak |
| bindings-libstemmer | 1 | 0.0 | 1 | Binding for libstemmer with low level binding. | (ffi, library, mit) | 2014-11-29 | 0.1.0.0 | cosmo0920 |
| binrep | 9 | 0.0 | 3 | Encode precise binary representations directly in types | (data, generics, library, mit, serialization) | 2025-03-11 | 1.1.0 | raehik |
| binrep-instances | 2 | 0.0 | 0 | Orphan instances for binrep | (data, library, mit, serialization) | 2025-03-29 | 0.2.0 | raehik |
| bioinformatics-toolkit | 37 | 0.0 | 1 | A collection of bioinformatics tools | (bio, library, mit) | 2021-11-22 | 0.10.0 | kaizhang |
| bisect-binary | 3 | 0.0 | 1 | Determine relevant parts of binary data | (development, mit, program) | 2017-12-05 | 0.1.0.1 | JoachimBreitner |
| bit-array | 9 | 0.0 | 1 | A bit array (aka bitset, bitmap, bit vector) API for numeric types | (bit-vectors, data-structures, library, mit, pretty-printer) | 2016-10-01 | 0.1.2 | NikitaVolkov |
| bitcoin-api | 14 | 2.0 | 2 | Provides access to the RPC API of Bitcoin Core | (finance, library, mit, network) | 2015-06-09 | 0.12.1 | solatis |
| bitcoin-api-extra | 8 | 0.0 | 1 | Higher level constructs on top of the bitcoin-api package | (finance, library, mit, network) | 2015-05-14 | 0.9.1 | solatis |
| bitcoin-block | 7 | 0.0 | 2 | Utility functions for manipulating bitcoin blocks | (finance, library, mit, network) | 2015-05-11 | 0.13.1 | solatis |
| bitcoin-script | 16 | 0.0 | 5 | Compilation, manipulation and decompilation of Bitcoin scripts | (finance, library, mit, network) | 2015-05-11 | 0.11.1 | solatis |
| bitcoin-tx | 23 | 0.0 | 4 | Utility functions for manipulating bitcoin transactions | (finance, library, mit, network) | 2015-05-11 | 0.13.1 | solatis |
| bitcoin-types | 6 | 0.0 | 3 | Provides consistent low-level types used commonly among Bitcoin implementations | (finance, library, mit, network) | 2015-05-10 | 0.9.2 | solatis |
| bitfield | 2 | 0.0 | 0 | Generic and easy to use haskell bitfields | (bit, data, library, mit) | 2024-08-12 | 0.0.0.1 | JannisO |
| bitset | 21 | 0.0 | 8 | A space-efficient set data structure. | (data-structures, library, mit) | 2014-03-10 | 1.4.8 | DenisBueno, FedorGogolev, SergeiLebedev |
| bitset-word8 | 6 | 0.0 | 2 | Space efficient set of Word8 and some pre-canned sets useful for parsing HTTP | (concurrency, library, mit) | 2020-07-28 | 0.1.1.2 | nshimaza |
| blas-hs | 3 | 0.0 | 3 | Low-level Haskell bindings to Blas. | (library, math, mit) | 2014-12-27 | 0.1.1.0 | Rufflewind |
| blatex | 15 | 2.0 | 1 | Blog in LaTeX | (mit, program, web) | 2016-05-15 | 0.1.0.9 | 2016rshah |
| blaze-bootstrap | 2 | 0.0 | 2 | Blaze helper functions for bootstrap pages | (library, mit, web) | 2015-08-23 | 0.1.0.1 | AlexanderThiemann |
| blaze-json | 5 | 0.0 | 1 | tiny library for encoding json | (json, library, mit, text) | 2015-04-03 | 0.2.1 | HirotomoMoriwaki |
| blazeMarker | 0 | 0.0 | 1 | ... | (library, mit, unclassified) | 2014-12-25 | 0.1.0.0 | faleidel |
| blazeT | 8 | 0.0 | 1 | A true monad (transformer) version of the blaze-markup and blaze-html libraries | (data, library, mit, text, web) | 2023-09-11 | 0.0.6 | alaminium, johannesgerer |
| blizzard-html | 6 | 0.0 | 0 | An HTML generator for Haskell | (library, mit, text) | 2023-09-10 | 0.5.0.0 | joshuaobritsch |
| bluefin | 42 | 0.0 | 1 | The Bluefin effect system | (library, mit, unclassified) | 2025-05-25 | 0.0.16.0 | tomjaguarpaw |
| bluefin-algae | 3 | 0.0 | 0 | Algebraic effects and named handlers in Bluefin. | (control, library, mit) | 2024-05-04 | 0.1.0.1 | lyxia |
| bluefin-internal | 33 | 0.0 | 2 | The Bluefin effect system, internals | (library, mit, unclassified) | 2025-05-25 | 0.1.0.0 | tomjaguarpaw |
| bluefin-random | 6 | 0.0 | 0 | The Bluefin effect system, random generators | (library, mit, unclassified) | 2025-07-27 | 0.0.16.1 | tomjaguarpaw |
| blunt (deprecated) | 45 | 1.5 | 1 | Convert between pointfree and pointful expressions. | (deprecated, library, mit, program, web) | 2015-04-14 | 1.0.2 | fozworth |
| bm | 3 | 0.0 | 0 | open bookmarks and queries from the command line | (library, mit, program, utils) | 2023-05-27 | 0.2.0.0 | TravisCardwell |
| bmp | 34 | 2.0 | 15 | Read and write uncompressed BMP image files. | (codec, library, mit) | 2024-05-23 | 1.2.6.4 | BenLippmeier |
| bno055-haskell | 1 | 0.0 | 1 | Library for communication with the Bosch BNO055 orientation sensor | (library, mit, system) | 2017-07-08 | 0.1.0 | eamsden |
| boardgame | 4 | 0.0 | 0 | Modeling boardgames | (game, library, mit, model, program) | 2021-04-19 | 0.0.0.1 | MartenAsberg |
| bodhi | 2 | 0.0 | 1 | Fedora Bodhi REST client library | (library, mit, network) | 2021-12-27 | 0.1.0 | JensPetersen |
| boltzmann-samplers | 5 | 0.0 | 3 | Uniform random generators | (data, generic, library, mit, random) | 2018-04-01 | 0.1.1.0 | lyxia |
| bond (deprecated) | 20 | 0.0 | 1 | Bond schema compiler and code generator | (code-generation, compiler, deprecated, language, library, mit, program) | 2024-07-15 | 0.13.0.0 | chwarr, jdupej9000 |
| bookkeeping | 18 | 0.0 | 2 | A module for bookkeeping by double entry. | (business, library, mit) | 2018-03-28 | 0.4.0.1 | arowM |
| bookkeeping-jp | 9 | 0.0 | 1 | Helper functions for Japanese bookkeeping. | (business, library, mit) | 2020-01-20 | 0.1.1.4 | arowM |
| boolean-normal-forms | 7 | 0.0 | 1 | Boolean normal form: NNF, DNF & CNF | (data, library, mit) | 2019-12-04 | 0.0.1.1 | phadej |
| boolector | 16 | 0.0 | 1 | Haskell bindings for the Boolector SMT solver | (bit-vectors, formal-methods, library, math, mit, smt, theorem-provers) | 2020-08-20 | 0.0.0.13 | DeianStefan |
| boopadoop | 4 | 0.0 | 0 | Mathematically sound sound synthesis | (library, mit, music, program) | 2020-01-03 | 0.0.0.2 | lazersmoke |
| boots | 12 | 0.0 | 3 | IoC Monad in Haskell | (application, factory, ioc, library, mit, monad) | 2019-09-03 | 0.2.0.1 | leptonyu |
| boots-app | 15 | 0.0 | 2 | Factory for quickly building an application | (application, configuration, health, library, logger, mit, program, random) | 2019-09-03 | 0.2.0.1 | leptonyu |
| boots-cloud (deprecated) | 1 | 0.0 | 0 | Factory for quickly building a microservice | (application, consul, deprecated, library, microservice, mit, servant, swagger, web) | 2019-08-28 | 0.2 | leptonyu |
| boots-web (deprecated) | 3 | 0.0 | 1 | Factory for quickly building a web application | (application, deprecated, library, mit, servant, swagger, web) | 2019-09-03 | 0.2.0.1 | leptonyu |
| bootstrap-types | 0 | 0.0 | 1 | Bootstrap CSS Framework type-safe interface | (library, mit, web) | 2017-01-31 | 0.3 | andrewthad |
| both | 5 | 0.0 | 1 | Like Maybe, but with a different Monoid instance. | (data, library, mit) | 2021-08-15 | 0.1.1.2 | barrucadu |
| bound-gen | 4 | 0.0 | 1 | Unwrap Scope's with globally fresh values | (compilers-interpreters, library, mit) | 2015-03-27 | 0.1.0.2 | jozefg |
| bounded-qsem | 5 | 0.0 | 0 | Bounded quantity semaphores. | (concurrency, library, mit) | 2025-02-14 | 0.1.0.4 | DanielDiaz |
| bower-json | 14 | 2.0 | 2 | Read bower.json from Haskell | (library, mit, web) | 2022-05-15 | 1.1.0.0 | hdgarrood |
| box-tuples | 8 | 0.0 | 1 | A hack to use GHC.Prim primitives in GHCi | (debug, ghc, library, mit) | 2021-02-06 | 0.2.0.4 | mniip |
| breakpoint | 23 | 0.0 | 3 | Set breakpoints using a GHC plugin | (development, library, mit) | 2024-05-20 | 0.1.4.0 | aaronallen8455 |
| brick-calendar | 5 | 0.0 | 0 | Calendar widget for the Brick TUI library | (console, library, mit, program, tui, user-interfaces) | 2025-04-23 | 0.2.0.0 | ldgrp |
| brillo | 1 | 0.0 | 2 | Painless 2D vector graphics, animations, and simulations powered by GLFW | (graphics, library, mit) | 2024-11-26 | 1.13.3 | adrian |
| brillo-algorithms | 0 | 0.0 | 0 | Data structures and algorithms for working with 2D graphics. | (graphics, library, mit) | 2024-11-26 | 1.13.3 | adrian |
| brillo-examples | 1 | 0.0 | 0 | Examples using the Brillo library | (graphics, mit, program) | 2024-11-26 | 1.13.3 | adrian |
| brillo-rendering | 2 | 0.0 | 1 | Brillo picture data types and rendering functions. | (graphics, library, mit) | 2024-11-26 | 1.13.3 | adrian |
| bson-lens | 3 | 0.0 | 1 | BSON lenses | (development, library, mit) | 2015-09-12 | 0.1.1 | WilliamCasarin |
| buchhaltung | 15 | 0.0 | 1 | Automates most of your plain text accounting data entry in ledger format. | (finance, library, mit, program) | 2018-02-04 | 0.0.7 | johannesgerer |
| buffer | 3 | 0.0 | 2 | Simple mutable low-level buffer for IO | (data, library, mit) | 2017-11-01 | 0.5.3 | NikitaVolkov |
| buffer-builder-aeson | 6 | 0.0 | 1 | Serialize Aeson values with Data.BufferBuilder | (data, library, mit) | 2022-05-22 | 0.2.0.5 | chadaustin, afriesen |
| buffet | 5 | 0.0 | 0 | Assembles many Dockerfiles in one. | (development, library, mit, program) | 2020-11-08 | 1.0.1 | evolutics |
| bug | 1 | 0.0 | 8 | Better alternatives to the "error" function | (development, error-handling, library, mit) | 2017-04-08 | 1.0.1 | HerbertValerioRiedel, NikitaVolkov |
| bugsnag | 5 | 0.0 | 3 | Bugsnag error reporter for Haskell | (library, mit, web) | 2025-06-17 | 1.2.0.0 | PatrickBrisbin |
| bugsnag-haskell (deprecated in favor of bugsnag, bugsnag-wai, bugsnag-yesod) | 14 | 0.0 | 1 | Bugsnag error reporter for Haskell | (deprecated, library, mit, web) | 2022-02-24 | 0.0.4.4 | PatrickBrisbin |
| bugsnag-wai | 8 | 0.0 | 1 | WAI integration for Bugsnag error reporting for Haskell | (library, mit, web) | 2025-06-17 | 1.0.1.1 | PatrickBrisbin |
| bugsnag-yesod | 3 | 0.0 | 0 | Yesod integration for Bugsnag error reporting for Haskell | (library, mit, web) | 2023-12-01 | 1.0.1.0 | PatrickBrisbin |
| build | 6 | 2.0 | 1 | Build Systems à la Carte | (algorithms, data-structures, library, mit) | 2024-05-18 | 1.1 | snowleopard |
| buildable | 6 | 0.0 | 1 | Typeclass for builders of linear data structures | (data, library, mit) | 2015-03-10 | 0.1.0.3 | IvanMiljenovic |
| bulmex (deprecated) | 5 | 0.0 | 0 | Reflex infused with bulma (css) | (deprecated, library, mit, web) | 2019-11-24 | 4.0.0 | |
| bunz | 9 | 0.0 | 0 | CLI tool to beautify JSON string. | (cli, json, library, mit, program) | 2019-02-27 | 0.0.9 | sendyhalim |
| burrito | 32 | 0.0 | 1 | Parse and render URI templates. | (library, mit, network) | 2025-06-17 | 2.0.1.14 | fozworth |
| bytearray-parsing | 1 | 0.0 | 1 | Parsing of bytearray-based data | (library, mit, parsing) | 2017-11-06 | 0.1 | NikitaVolkov |
| bytepatch | 8 | 0.0 | 0 | Patch byte-representable data in a bytestream | (cli, library, mit, program) | 2023-02-15 | 0.4.1 | raehik |
| bytes-patterns | 0 | 0.0 | 0 | Template haskell macro for casing on Bytes | (data, library, mit) | 2024-02-07 | 0.1.0.0 | l3c_amartin |
| bytestring-delta | 2 | 0.0 | 1 | Simple, fast binary diff/patch | (data, library, mit) | 2012-02-22 | 0.1.0.1 | JoeyAdams |
| bytestring-encodings | 8 | 0.0 | 1 | checks to see if a given bytestring adheres to a certain encoding | (data-, library, mit) | 2018-08-31 | 0.2.0.2 | chessai |
| bytestring-read | 11 | 0.0 | 2 | fast ByteString to number converting library | (data, library, mit) | 2015-06-15 | 0.3.1 | HirotomoMoriwaki |
| bytestring-rematch | 0 | 0.0 | 1 | Rematch support for ByteString | (control, library, mit) | 2013-05-19 | 0.1.0.0 | TomCrayford |
| bytestring-strict-builder | 11 | 0.0 | 6 | An efficient strict bytestring builder | (builders, bytestring, library, mit, serialization, text) | 2025-02-03 | 0.4.5.8 | NikitaVolkov |
| bytestring-tree-builder | 38 | 0.0 | 9 | A very efficient ByteString builder implementation based on the binary tree | (bytestring, library, mit) | 2025-02-03 | 0.2.7.13 | NikitaVolkov |
| bytezap | 8 | 0.0 | 1 | Bytestring builder with zero intermediate allocation | (data, generics, library, mit, serialization) | 2024-09-28 | 1.6.0 | raehik |
| c-dsl | 6 | 0.0 | 2 | A higher level DSL on top of language-c | (language, library, mit) | 2014-05-07 | 0.3.1 | jozefg |
| c14n | 3 | 0.0 | 1 | Bindings to the c14n implementation in libxml. | (library, mit, xml) | 2023-07-17 | 0.1.0.3 | mbg |
| c2hs-extra | 2 | 0.0 | 3 | Convenient marshallers for complicate C types. | (development, foreign, library, mit) | 2017-10-22 | 0.1.0.1 | sighingnow |
| ca-patterns | 2 | 0.0 | 0 | Manipulate patterns in cellular automata, create and parse RLE files | (data, library, mit, parsing, text) | 2022-04-16 | 0.2.0.0 | OwenBechtel |
| cabal-audit | 7 | 0.0 | 1 | Check how up-to-date your .cabal dependencies are. | (distribution, mit, program) | 2013-09-08 | 0.3.0.0 | JudeTaylor |
| cabal-auto-expose | 3 | 0.0 | 0 | Build time library that autodetects exposed modules | (bundle, distribution, library, mit, modules) | 2020-09-29 | 0.1.0.1 | deech |
| cabal-constraints | 1 | 0.0 | 1 | Repeatable builds for cabalized Haskell projects. | (development, distribution, mit, program) | 2013-12-08 | 0.0.0.1 | BenArmston |
| cabal-detailed-quickcheck | 21 | 0.0 | 0 | QuickCheck for Cabal tests | (library, mit, testing) | 2022-10-29 | 0.2.0.1 | anselmschueler |
| cabal-edit | 3 | 0.0 | 0 | Cabal utility | (development, mit, program) | 2020-07-21 | 0.1.0.0 | sdiehl |
| cabal-gild | 87 | 0.0 | 0 | Formats package descriptions. | (development, library, mit, program) | 2025-05-22 | 1.6.0.2 | fozworth |
| cabal-graphdeps | 6 | 0.0 | 1 | Generate graphs of install-time Cabal dependencies | (development, mit, program) | 2015-10-12 | 0.1.3 | JohnMillikin |
| cabal-info | 3 | 0.0 | 0 | Read information from cabal files | (development, library, mit, program) | 2017-05-14 | 0.2.1 | barrucadu |
| cabal-mon | 5 | 0.0 | 1 | A monitor for cabal builds | (development, mit, program) | 2016-08-12 | 1.0.2 | IavorDiatchki |
| cabal-test-quickcheck | 48 | 0.0 | 1 | QuickCheck for Cabal | (library, mit, testing) | 2018-10-29 | 0.1.8.2 | TimothyJones |
| cabal2json | 2 | 0.0 | 0 | Turn a .cabal file into a .json file | (library, mit, program, unclassified) | 2022-05-30 | 0.0.0.0 | Norfair |
| cabalg | 12 | 0.0 | 1 | alias for cabal install from given git repo | (library, mit, program, unclassified) | 2014-09-19 | 0.2.9 | DmitryMalikov |
| cafeteria-prelude | 1 | 0.0 | 1 | Prelude subsets—take only what you want! | (library, mit, prelude) | 2015-02-14 | 0.1.0.0 | scottflesichman, scottfleischman |
| cairo-canvas | 5 | 0.0 | 1 | Simpler drawing API for Cairo. | (graphics, library, mit) | 2025-05-12 | 0.1.0.1 | apirogov |
| calamity | 153 | 0.0 | 2 | A library for writing discord bots in haskell | (library, mit, network, web) | 2024-10-14 | 0.12.1.0 | nitros12 |
| calamity-commands | 9 | 0.0 | 2 | A library for declaring, parsing, and invoking text-input based commands | (library, mit, utils) | 2024-03-27 | 0.4.1.0 | nitros12 |
| call-alloy | 60 | 0.0 | 0 | A simple library to call Alloy given a specification | (language, library, mit) | 2025-04-16 | 0.6.0.2 | marcellus |
| call-haskell-from-anything | 7 | 0.0 | 0 | Call Haskell functions from other languages via serialization and dynamic libraries | (library, mit, network, program) | 2017-08-04 | 1.1.0.0 | NiklasHambuechen |
| call-plantuml | 12 | 0.0 | 0 | A simple library to call PlantUML given a diagram specification | (graphics, language, library, mit) | 2023-12-06 | 0.0.1.3 | marcellus |
| call-stack | 3 | 0.0 | 28 | Use GHC call-stacks in a backward compatible way | (data, library, mit) | 2021-05-15 | 0.4.0 | SimonHengel |
| canon | 13 | 0.0 | 1 | Arithmetic for Psychedelically Large Numbers | (library, math, mit) | 2019-09-03 | 0.1.1.4 | grandpascorpion |
| canteven-http | 8 | 0.0 | 2 | Utilities for HTTP programming. | (library, mit, unclassified) | 2017-09-12 | 0.1.5.1 | potomak, glasserc |
| cantor-pairing | 12 | 0.0 | 0 | Convert data to and from a natural number representation | (data, library, mit) | 2022-05-06 | 0.2.0.2 | identicalsnowflake |
| capataz | 13 | 0.0 | 1 | OTP-like supervision trees in Haskell | (concurrency, control, library, mit) | 2019-05-21 | 0.2.1.0 | RomanGonzalez |
| capnp | 32 | 0.0 | 0 | Cap'n Proto for Haskell | (capnproto, data, library, mit, network, program, rpc, serialization) | 2023-06-23 | 0.18.0.0 | isd |
| captcha-2captcha | 1 | 0.0 | 0 | A package for integrating a variety of captcha solving services. | (library, mit, network) | 2022-01-07 | 0.1.0.0 | qwbarch |
| captcha-capmonster | 1 | 0.0 | 0 | A package for integrating a variety of captcha solving services. | (library, mit, network) | 2022-01-07 | 0.1.0.0 | qwbarch |
| captcha-core | 8 | 0.0 | 2 | A package for integrating a variety of captcha solving services. | (library, mit, network) | 2022-01-17 | 0.1.0.1 | qwbarch |
| caramia | 15 | 0.0 | 1 | High-level OpenGL bindings | (graphics, library, mit) | 2015-05-09 | 0.7.2.2 | Adeon |
| cardano-crypto | 1 | 0.0 | 2 | Cryptography primitives for cardano | (crypto, library, mit) | 2025-03-01 | 1.3.0 | cardano_foundation |
| cas-hashable | 1 | 2.0 | 3 | A hashing class for content-addressed storage | (control, library, mit) | 2020-03-09 | 1.0.1 | YvesPares |
| cas-hashable-s3 | 2 | 0.0 | 0 | ContentHashable instances for S3 objects | (control, library, mit) | 2020-03-09 | 1.0.0 | YvesPares |
| cas-store | 3 | 2.0 | 1 | A content-addressed storage | (control, library, mit) | 2020-06-01 | 1.1.0 | YvesPares |
| cased | 1 | 0.0 | 1 | Track string casing in its type | (library, mit, text) | 2015-06-15 | 0.1.0.0 | WilliamCasarin |
| cases | 15 | 0.0 | 5 | A converter for spinal, snake and camel cases | (library, mit, text) | 2025-04-28 | 0.1.4.4 | NikitaVolkov |
| casing | 9 | 0.0 | 35 | Convert between various source code casing conventions | (library, mit, text) | 2019-09-05 | 0.1.4.1 | TobiasDammers |
| cassava-megaparsec | 8 | 0.0 | 2 | Megaparsec parser of CSV files that plays nicely with Cassava | (csv, library, mit, parsing, text, web) | 2024-02-28 | 2.1.1 | jsl, stackbuilders, sestrella, wild_willy |
| casui | 1 | 0.0 | 1 | Equation Manipulator | (math, mit, program) | 2011-06-04 | 0.3 | EtienneLaurin |
| catnplus | 1 | 0.0 | 1 | Simple tool to display text files with line numbers and paging | (command-line-tool, mit, program) | 2017-03-01 | 0.1.0.0 | rcook |
| cayley-dickson | 12 | 0.0 | 1 | Complex numbers, quaternions, octonions, sedenions, etc. | (algebra, library, math, mit) | 2015-11-30 | 0.3.1.0 | lmj |
| celtchar (deprecated) | 6 | 0.0 | 0 | A tool to build a novel | (deprecated, library, mit, program, text) | 2018-03-03 | 0.1.4.0 | lethom |
| cereal-data-dword | 4 | 0.0 | 1 | Integration of "cereal" and "data-dword" | (library, mit, unclassified) | 2018-08-11 | 0.1.1 | NikitaVolkov |
| cereal-plus (deprecated) | 9 | 0.0 | 2 | An extended serialization library on top of "cereal" | (deprecated, library, mit, serialization) | 2016-09-03 | 0.4.2 | NikitaVolkov |
| cereal-unordered-containers | 3 | 0.0 | 1 | Integration of "cereal" and "unordered-containers" | (library, mit, unclassified) | 2023-12-12 | 0.1.0.1 | NikitaVolkov |
| cereal-uuid | 8 | 0.0 | 1 | Integration of "cereal" and "uuid" | (library, mit, unclassified) | 2018-08-03 | 0.1.1.1 | NikitaVolkov |
| cf | 10 | 2.25 | 1 | Exact real arithmetic using continued fractions | (library, math, mit) | 2015-09-03 | 0.4.2 | mvr |
| cfg | 4 | 2.0 | 0 | Type directed application configuration parsing and accessors | (configuration, library, mit) | 2024-04-14 | 0.0.2.2 | JonathanLorimer |
| cfn-flip | 6 | 0.0 | 1 | Haskell implementation of aws/cfn-flip | (library, mit, tools) | 2025-05-22 | 0.1.0.6 | PatrickBrisbin, dukerutledge, mjgpy3, chris_martin, FreckleEngineering, OlaoluwaM |
| chakra | 2 | 0.0 | 0 | A REST Web Api server template for building (micro)services. | (library, mit, program, web) | 2021-11-07 | 0.1.2 | cackharot |
| chalk | 5 | 0.0 | 1 | Terminal string styling. | (library, mit, system) | 2016-09-14 | 0.1.0.2 | cattheory |
| changeset | 5 | 0.0 | 3 | Stateful monad transformer based on monoidal actions | (control, library, mit) | 2025-02-11 | 0.1.0.2 | turion |
| changeset-containers | 3 | 0.0 | 0 | Stateful monad transformer based on monoidal actions | (control, library, mit) | 2025-02-11 | 0.1.0.2 | turion |
| changeset-lens | 7 | 0.0 | 0 | Stateful monad transformer based on monoidal actions | (control, library, mit) | 2025-02-11 | 0.1.0.2 | turion |
| changeset-reflex | 3 | 0.0 | 0 | Stateful monad transformer based on monoidal actions | (control, library, mit) | 2025-02-11 | 0.1.0.2 | turion |
| chapelure | 2 | 0.0 | 0 | A diagnostics library for Haskell | (library, mit, pretty-printer) | 2022-03-31 | 0.0.1.0 | hecate |
| char-qq | 6 | 0.0 | 0 | Quasiquoters for characters and codepoints | (library, mit, quasiquotes) | 2019-02-07 | 0.1.1.1 | NikitaVolkov |
| character-cases | 7 | 0.0 | 0 | Exposes subspecies types of Char. And naming cases. | (library, mit, simple) | 2020-06-02 | 0.1.0.6 | aiya000 |
| chassis | 7 | 0.0 | 1 | Polykinded Prelude Kernel. | (library, mit, prelude) | 2021-08-09 | 0.0.6.0 | locallycompact |
| chatwork | 19 | 0.0 | 0 | The ChatWork API in Haskell | (library, mit, program, web) | 2018-08-06 | 0.1.3.5 | matsubara0507 |
| checked-exceptions | 4 | 0.0 | 0 | mtl-style checked exceptions | (control, library, mit) | 2025-03-05 | 0.2.0.0 | goolord |
| chell | 30 | 0.0 | 3 | A simple and intuitive library for automated testing. | (library, mit, testing) | 2023-07-11 | 0.5.0.2 | chris_martin, Monoid_Mary |
| chell-hunit | 14 | 0.0 | 1 | HUnit support for Chell | (library, mit, testing) | 2023-07-11 | 0.3.0.2 | chris_martin |
| chell-quickcheck | 28 | 0.0 | 1 | QuickCheck support for Chell | (library, mit, testing) | 2023-07-11 | 0.2.5.4 | chris_martin |
| chez-grater | 9 | 0.0 | 0 | Parse and scrape recipe blogs | (library, mit, program, web) | 2022-11-29 | 0.1.2 | dfithian |
| chorale | 13 | 2.25 | 1 | A module containing basic functions that the prelude does not offer | (library, mit, prelude) | 2017-07-08 | 0.1.8 | FranzBenjaminMocnik |
| chorale-geo | 4 | 2.0 | 1 | A module containing basic geo functions | (library, mit, prelude) | 2016-06-05 | 0.1.2 | FranzBenjaminMocnik |
| chromatin | 5 | 0.0 | 0 | neovim package manager | (library, mit, neovim, program) | 2018-12-30 | 0.1.1.0 | tek |
| chronologique (deprecated in favor of core-data) | 21 | 2.0 | 4 | Time to manipulate time | (deprecated, library, mit, text) | 2020-07-23 | AndrewCowie | |
| chunked-data | 13 | 0.0 | 12 | Typeclasses for dealing with various chunked data representations | (data, library, mit) | 2018-01-15 | 0.3.1 | MichaelSnoyman |
| church | 1 | 0.0 | 0 | Automatically convert Generic instances to and from church representations | (generics, library, mit) | 2018-11-14 | 0.1.0.0 | dailectic |
| church-list (deprecated) | 3 | 0.0 | 1 | Removed; please see fmlist. | (deprecated, library, mit, system) | 2014-05-03 | 0.0.2 | JohnWiegley |
| churros | 25 | 0.0 | 0 | Channel/Arrow based streaming computation library. | (control, data, library, mit) | 2022-10-16 | 0.1.6.0 | LyndonMaydwell |
| cio (deprecated) | 2 | 0.0 | 2 | A monad for concurrent IO on a thread pool | (concurrency, deprecated, library, mit) | 2014-02-07 | 0.1.0 | NikitaVolkov |
| ciphersaber2 | 3 | 0.0 | 1 | Implementation of CipherSaber2 RC4 cryptography. | (data, library, mit, program) | 2015-12-16 | 0.1.1.2 | BartonMassey |
| circle | 1 | 0.0 | 0 | Circle API client for Haskell | (library, mit, web) | 2022-11-29 | 0.1.0.0 | dmarticus |
| circlehs | 1 | 2.0 | 1 | The CircleCI REST API for Haskell | (api, library, mit, web) | 2016-04-28 | 0.0.3 | dshevchenko |
| circular-enum | 3 | 2.0 | 0 | Make bounded enum types circular | (data, library, mit) | 2023-05-31 | 0.1.0.0 | memowe |
| cirru-parser | 0 | 0.0 | 1 | Cirru Parser in Haskell | (library, mit, text) | 2015-05-10 | 0.0.2 | jiyinyiyong |
| cisco-spark-api | 6 | 0.0 | 0 | DEPRECATED in favor of webex-teams-api | (library, mit, program, web) | 2018-12-24 | 0.1.0.4 | nshimaza |
| cityhash | 7 | 0.0 | 2 | Bindings to CityHash | (codec, library, mit) | 2012-02-09 | 0.3.0.1 | AustinSeipp |
| clafer | 34 | 0.0 | 3 | Compiles Clafer models to other formats: Alloy, JavaScript, JSON, HTML, Dot. | (library, mit, model, program) | 2017-03-13 | 0.4.5 | mantkiew |
| claferIG | 20 | 0.0 | 1 | claferIG is an interactive tool that generates instances of Clafer models. | (library, mit, model, program) | 2017-03-13 | 0.4.5 | mantkiew |
| claferwiki | 23 | 0.0 | 1 | A wiki-based IDE for literate modeling with Clafer | (library, mit, wiki) | 2017-03-13 | 0.4.5 | mantkiew |
| clang-compilation-database | 3 | 0.0 | 1 | JSON Compilation Database Format encoding and decoding | (language, library, mit) | 2018-03-09 | 0.1.0.1 | AlekseyKliger |
| clanki | 14 | 0.0 | 1 | Command-line spaced-repetition software | (education, mit, program) | 2016-10-05 | 1.2.7 | marcusbuffett |
| clarifai | 4 | 0.0 | 1 | API Client for the Clarifai API. | (library, mit, network) | 2015-12-31 | 0.2.0.0 | jcanero |
| clash-finite | 2 | 0.0 | 0 | A class for types with only finitely many inhabitants | (hardware, library, mit) | 2025-03-09 | 1.0.0.0 | kleinreact |
| clash-shake | 14 | 0.0 | 0 | Shake rules for building Clash programs | (hardware, library, mit, shake) | 2025-04-05 | 0.4.0 | GergoErdi |
| clashilator | 9 | 0.0 | 0 | Automated Clash to Verilator bridge | (development, hardware, library, mit, program) | 2024-04-20 | 0.1.4 | GergoErdi |
| classy-prelude | 234 | 0.0 | 58 | A typeclass-based Prelude. | (control, library, mit, prelude) | 2023-08-01 | 1.5.0.3 | GregWeber, MichaelSnoyman |
| classy-prelude-conduit | 65 | 0.0 | 10 | classy-prelude together with conduit functions | (control, library, mit, prelude) | 2018-10-08 | 1.5.0 | GregWeber, MichaelSnoyman |
| classy-prelude-yesod | 57 | 0.0 | 8 | Provide a classy prelude including common Yesod functionality. | (control, library, mit, yesod) | 2018-10-08 | 1.5.0 | GregWeber, MichaelSnoyman |
| cless | 3 | 0.0 | 1 | Colorized LESS | (mit, program, text) | 2015-03-19 | 0.3.0.0 | HideyukiTanaka |
| cleveland | 11 | 0.0 | 1 | Testing framework for Morley. | (blockchain, library, mit) | 2023-07-31 | 0.4.0 | pasqu4le, serokell |
| cli-arguments | 29 | 0.0 | 7 | A library to process command line arguments in some more convenient way. | (cli, library, mit) | 2023-01-30 | 0.7.0.0 | OleksandrZhabenko |
| cli-arguments-strict | 1 | 0.0 | 0 | A library to process command line arguments in some more convenient way. | (cli, library, mit, strict) | 2022-01-12 | 0.1.0.0 | OleksandrZhabenko |
| cli-builder | 3 | 0.0 | 1 | Simple project template from stack | (library, mit, tool) | 2016-11-09 | 0.1.0 | mizunashi_mana |
| clickhouse-haskell | 7 | 2.0 | 0 | A Haskell library as database client for Clickhouse | (database, library, mit) | 2021-02-09 | 0.1.2.4 | MaboroshiChan |
| clientsession | 106 | 0.0 | 31 | Securely store session data in a client-side cookie. | (library, mit, program, web) | 2024-07-14 | 0.9.3.0 | FelipeLessa, MichaelSnoyman |
| clif | 3 | 0.0 | 1 | A Clifford algebra number type for Haskell | (algebra, library, math, mit) | 2018-04-10 | 0.1.1.0 | maaleske |
| clingo | 1 | 0.0 | 1 | Haskell bindings to the Clingo ASP solver | (asp, ffi, library, logic-programming, mit, symbolic-computation) | 2017-08-18 | 0.2.0.0 | tsahyt |
| clippard | 3 | 0.0 | 1 | A simple Haskell library for copying text to the clipboard in a cross-platform way. | (library, mit, system) | 2012-11-15 | 0.1.1 | AnthonyGrimes |
| clippings | 5 | 0.0 | 1 | A parser/generator for Kindle-format clipping files (`My Clippings.txt`), | (library, mit, program, text) | 2015-08-27 | 0.2.0 | vi |
| clisparkline | 3 | 0.0 | 0 | Tiny library to pretty print sparklines onto the CLI | (graphics, library, mit) | 2019-05-26 | 0.1.0.0 | bollu |
| clod | 38 | 0.0 | 0 | Project file manager for Claude AI integrations | (development, library, mit, program) | 2025-04-23 | 0.2.3 | fuzz |
| clone-all | 1 | 0.0 | 1 | Clone all github repositories from a given user | (development, mit, program) | 2014-06-27 | 0.1.0.0 | NoonSilk |
| closed | 7 | 2.25 | 1 | Integers bounded by a closed interval | (data, library, mit) | 2025-07-28 | 0.2.0.3 | PatrickBrisbin, dukerutledge, mjgpy3, chris_martin, FreckleEngineering, OlaoluwaM |
| closure | 1 | 0.0 | 1 | Depth- and breadth-first set closures | (library, math, mit) | 2013-10-21 | 0.1.0.0 | JosephAbrahamson |
| cloudi | 15 | 0.0 | 1 | Haskell CloudI API | (foreign, library, mit) | 2023-10-27 | 2.0.7 | okeuday |
| clplug | 11 | 2.0 | 0 | Easily add functionality to your lightning node | (bitcoin, library, lightning, mit, plugin) | 2024-05-26 | 1.0.0.0 | autonomousorganization |
| clustering | 10 | 2.0 | 4 | High performance clustering algorithms | (library, math, mit) | 2019-01-08 | 0.4.1 | kaizhang |
| cmd-item | 1 | 0.0 | 1 | Library to compose and reuse command line fragments | (library, mit, system) | 2015-04-30 | 0.0.1.0 | geraud |
| cmdtheline | 26 | 0.0 | 7 | Declarative command-line option parsing and documentation library. | (console, library, mit) | 2013-04-29 | 0.2.3 | EliFrey |
| cmf | 1 | 0.0 | 0 | (C)oncurrent (M)onoidal (F)olds | (data, library, mit) | 2019-11-23 | 0.1 | chessai |
| codeforces-cli | 1 | 2.0 | 0 | Command line interface to interact with Codeforces. | (cli, library, mit, program) | 2021-06-17 | 0.1.0 | farbodsz |
| coerce-util (deprecated in favor of coercible-utils) | 2 | 0.0 | 2 | utils for Data.Coerce | (data, deprecated, library, mit) | 2018-04-20 | 0.1.0.0 | chessai |
| coinbase-exchange | 7 | 0.0 | 0 | Connector library for the coinbase exchange. | (library, mit, program, web) | 2017-09-23 | 0.4.0.0 | andrewrademacher |
| coinbase-pro | 47 | 2.0 | 0 | Client for Coinbase Pro | (finance, library, mit, program, web) | 2022-12-23 | 0.9.3.2 | mdunnio |
| collection-json | 19 | 0.0 | 1 | Collection+JSON—Hypermedia Type Tools | (data, library, mit) | 2019-02-22 | 1.3.1.3 | alunduil |
| color-counter | 5 | 0.0 | 1 | Count colors in images | (graphics, library, mit, program) | 2016-04-16 | 0.1.2.2 | BrianBush |
| colorful-monoids | 9 | 0.0 | 2 | Styled console text output using ANSI escape sequences. | (library, mit, monad, text, user-interfaces) | 2020-06-17 | 0.2.1.3 | minad |
| colour | 35 | 2.0 | 130 | A model for human colour/color perception | (data, graphics, library, mit) | 2021-06-24 | 2.3.6 | RussellOConnor |
| combinators | 5 | 0.0 | 0 | Collection of combinators over standard typeclasses | (library, mit, unclassified) | 2025-01-14 | 0.1.1 | NikitaVolkov |
| commander-cli | 26 | 2.0 | 0 | A command line argument/option parser library | (cli, library, mit, options, parsing, program, system) | 2023-01-17 | 0.11.0.0 | sgschlesinger |
| commandert | 8 | 0.0 | 1 | A monad for commanders | (control, library, mit) | 2022-01-21 | 0.1.1.1 | sgschlesinger |
| commonmark-simple | 1 | 0.0 | 2 | Simple interface to commonmark-hs | (library, mit, text) | 2022-02-05 | 0.1.0.0 | sridca |
| commonmark-wikilink | 1 | 0.0 | 2 | Obsidian-friendly commonmark wikilink parser | (library, mit, web) | 2022-11-05 | 0.1.0.0 | sridca |
| compaREST | 2 | 0.0 | 0 | Compatibility checker for OpenAPI | (library, mit, program, web) | 2022-03-04 | 0.1.0.1 | mniip, typeable, iko |
| compdoc | 7 | 0.0 | 2 | Parse a Pandoc to a composite value. | (composite, library, mit, pandoc, text) | 2021-07-26 | 0.3.0.0 | locallycompact |
| competition | 1 | 0.0 | 1 | Helpers and runners for code competitions | (code-competitions, library, mit) | 2014-04-07 | 0.2.0.0 | yanatan16 |
| componentm | 2 | 0.0 | 1 | Monad for allocation and cleanup of application resources | (library, mit, system) | 2018-05-20 | 0.0.0.2 | RomanGonzalez |
| componentm-devel | 0 | 0.0 | 1 | Easy REPL driven development using ComponentM | (library, mit, system) | 2018-05-20 | 0.0.0.2 | RomanGonzalez |
| compose-ltr | 13 | 2.0 | 1 | More intuitive, left-to-right function composition. | (data, library, mit) | 2017-11-21 | 0.2.4 | Wizek |
| composite-aeson-cofree-list | 0 | 0.0 | 1 | Print a Cofree [] as a JSON value. | (library, mit, text) | 2020-09-19 | 0.1.0.0 | locallycompact |
| composite-aeson-throw | 0 | 0.0 | 2 | MonadThrow behaviour for composite-aeson. | (library, mit, text) | 2020-09-06 | 0.1.0.0 | locallycompact |
| composite-aeson-writeonly | 0 | 0.0 | 2 | WriteOnly indicators for composite-aeson. | (library, mit, text) | 2020-09-19 | 0.1.0.0 | locallycompact |
| composite-cassava | 6 | 0.0 | 1 | Csv parsing functionality for composite. | (composite, csv, library, mit) | 2021-09-01 | 0.0.3.1 | locallycompact |
| composite-dhall | 11 | 0.0 | 0 | Dhall instances for composite records. | (composite, data, dhall, library, mit) | 2022-09-02 | 0.1.0.1 | locallycompact |
| composite-lens-extra | 2 | 0.0 | 0 | Extra lens functions for composite. | (composite, data, lens, library, mit) | 2022-09-04 | 0.1.0.0 | locallycompact |
| composite-tuple | 3 | 0.0 | 1 | Tuple functions for composite records. | (composite, data-structures, library, mit) | 2020-09-18 | 0.1.2.0 | locallycompact |
| composite-xml | 2 | 0.0 | 0 | RecXML Type | (composite, data, library, mit, xml) | 2022-07-16 | 0.1.0.0 | locallycompact |
| composite-xstep | 2 | 0.0 | 1 | ReaderT transformer pattern for higher kinded composite data. | (data-structures, library, mit) | 2020-09-05 | 0.1.0.0 | locallycompact |
| compound-types | 14 | 2.0 | 1 | Sum and Product types and such | (data, library, mit, type-system, types) | 2020-04-27 | 0.1.4.1 | NikitaVolkov |
| concurrency | 117 | 0.0 | 14 | Typeclasses, functions, and data types for concurrency and STM. | (concurrency, library, mit) | 2023-06-17 | 1.11.0.3 | barrucadu |
| concurrency-benchmarks | 2 | 0.0 | 1 | Benchmarks to compare concurrency APIs | (benchmark, mit, program) | 2018-09-12 | 0.1.1 | harendra |
| concurrent-buffer | 3 | 0.0 | 1 | Concurrent expanding buffer | (data, library, mit) | 2017-10-26 | 0.1 | NikitaVolkov |
| concurrent-rpc | 1 | 0.0 | 1 | An abstraction for inter-thread RPC based on MVars | (concurrency, library, mit) | 2016-03-25 | 0.1.0.0 | LarsPetersen |
| concurrent-state | 28 | 0.0 | 1 | MTL-like library using TVars | (control, library, mit) | 2014-01-27 | 0.6.0.0 | JoelTaylor |
| conduit | 349 | 2.25 | 615 | Streaming data processing library. | (conduit, data, library, mit) | 2025-02-23 | 1.3.6.1 | MichaelSnoyman |
| conduit-algorithms | 27 | 2.0 | 2 | Conduit-based algorithms | (conduit, library, mit) | 2024-02-16 | 0.0.14.0 | luispedro |
| conduit-combinators | 62 | 0.0 | 61 | DEPRECATED Functionality merged into the conduit package itself | (conduit, data, library, mit) | 2018-02-01 | 1.3.0 | MichaelSloan, MichaelSnoyman |
| conduit-concurrent-map | 4 | 2.0 | 4 | Concurrent, order-preserving mapping Conduit | (conduit, data, library, mit) | 2025-05-04 | 0.1.4 | NiklasHambuechen |
| conduit-extra | 207 | 0.0 | 214 | Batteries included conduit: adapters for common libraries. | (conduit, data, library, mit) | 2025-06-26 | 1.3.8 | MichaelSnoyman |
| conduit-find | 12 | 0.0 | 0 | A file-finding conduit that allows user control over traversals. | (library, mit, program, system) | 2025-06-02 | 0.1.0.4 | ErikDeCastroLopo |
| conduit-zstd | 10 | 0.0 | 4 | Conduit-based ZStd Compression | (conduit, library, mit) | 2020-05-21 | 0.0.2.0 | luispedro |
| confcrypt | 10 | 0.0 | 0 | (library, mit, program, unclassified) | 2019-05-26 | 0.2.3.3 | ChrisCoffey | |
| confetti | 4 | 0.0 | 0 | A simple config file swapping tool | (command-line-tools, library, mit, program) | 2018-12-12 | 1.0.0 | aviaviavi |
| conffmt | 1 | 0.0 | 1 | A .conf file formatter | (data, mit, program) | 2016-08-31 | 0.2.3.0 | yamadapc |
| config-parser | 29 | 0.0 | 1 | Parse config files using parsec and generate parse errors on unhandled keys | (library, mit, text) | 2018-01-21 | 1.2.0.0 | BenHamlin |
| config-value | 55 | 2.5 | 6 | Simple, layout-based value language similar to YAML or JSON | (language, library, mit) | 2022-08-10 | 0.8.3 | EricMertens |
| config-value-getopt | 4 | 0.0 | 1 | Interface between config-value and System.GetOpt | (configuration, library, mit) | 2019-10-18 | 0.1.1.1 | EricMertens, galoisinc |
| configuration-tools | 37 | 2.0 | 5 | Tools for specifying and parsing configurations | (configuration, console, library, mit, program) | 2025-03-05 | 0.7.1 | larsk, fosskers, edmundnoble |
| conformance | 2 | 0.0 | 1 | (library, mit, unclassified) | 2023-11-08 | 0.1.0.0 | Norfair | |
| conformance-gen | 0 | 0.0 | 0 | (library, mit, unclassified) | 2023-11-08 | 0.0.0.0 | Norfair | |
| congruence-relation | 2 | 0.0 | 1 | Decidable congruence relations for Haskell: up to you whether this is a joke | (data, library, mit) | 2014-12-05 | 0.1.0.0 | JonSterling |
| conlogger | 1 | 0.0 | 1 | A logger for a concurrent program. | (concurrency, library, mit, program) | 2015-01-22 | 0.1.0.1 | tattsun |
| consistent | 3 | 0.0 | 1 | Eventually consistent STM transactions. | (library, mit, system) | 2017-01-23 | 0.1.0 | JohnWiegley |
| console-style (deprecated in favor of colorful-monoids) | 9 | 0.0 | 2 | Styled console text output using ANSI escape sequences. | (deprecated, library, mit, monad, text, user-interfaces) | 2016-12-03 | 0.0.2.1 | minad |
| constrained-dynamic | 2 | 0.0 | 1 | Dynamic typing with retained constraints | (data, library, mit) | 2016-08-03 | 0.1.0.0 | jh3141 |
| constrained-monads | 6 | 0.0 | 1 | Typeclasses and instances for monads with constraints. | (control, library, mit) | 2017-03-31 | 0.5.0.0 | oisdk |
| constrained-some | 4 | 0.0 | 2 | Existential type that can be constrained | (data, dependent-types, library, mit) | 2024-11-29 | 0.1.2 | bruderj15 |
| constraint-manip | 2 | 0.0 | 2 | Some conviencience type functions for manipulating constraints. | (control, library, mit) | 2017-10-16 | 0.1.1.0 | clinton |
| constraints-emerge | 6 | 0.0 | 1 | Defer instance lookups until runtime | (constraints, library, mit) | 2018-04-19 | 0.1.2 | isovector |
| constrictor | 7 | 0.0 | 2 | strict versions of many things in base | (control, library, mit) | 2018-05-31 | 0.1.2.0 | chessai |
| containers-verified | 3 | 0.0 | 1 | Formally verified drop-in replacement of containers | (data, library, mit) | 2018-06-18 | 0.6.0.1 | JoachimBreitner |
| context | 13 | 0.0 | 4 | Thread-indexed, nested contexts | (data, library, mit) | 2024-03-16 | 0.2.1.0 | jship |
| context-http-client | 6 | 0.0 | 0 | Modify HTTP requests/responses using context | (library, mit, web) | 2023-09-21 | 0.2.0.2 | jship |
| context-resource | 7 | 0.0 | 0 | Thread-safe, pool-compatible resource provider | (data, library, mit) | 2023-09-21 | 0.2.0.2 | jship |
| context-stack | 3 | 0.0 | 1 | An abstraction of a stack and stack-based monadic context. | (data, library, mit) | 2014-08-29 | 0.1.0.1 | thinkpad20 |
| context-wai-middleware | 4 | 0.0 | 0 | Add request-specific (or not!) context to your WAI applications | (library, mit, web) | 2023-09-21 | 0.2.0.2 | jship |
| continuum | 9 | 0.0 | 1 | (library, mit, unclassified) | 2014-11-15 | 0.1.0.7 | ifesdjeen | |
| continuum-client | 1 | 0.0 | 1 | (library, mit, unclassified) | 2014-11-22 | 0.1.0.0 | ifesdjeen | |
| contravariant-extras | 19 | 0.0 | 9 | Extras for the "contravariant" package | (control, library, mit) | 2023-10-14 | 0.3.5.4 | NikitaVolkov |
| control-invariants | 2 | 0.0 | 2 | Invariants and contract monitoring | (control, library, mit) | 2016-10-28 | 0.1.0.0 | SimonHudon, bandali |
| conversion (deprecated in favor of lawful-conversions, isomorphism-class) | 7 | 0.0 | 9 | Universal converter between values of different types | (control, conversion, data, deprecated, library, mit) | 2016-04-12 | 1.2.1 | NikitaVolkov |
| conversion-bytestring | 6 | 0.0 | 1 | "Conversion" instances for the "bytestring" library | (control, conversion, data, library, mit) | 2022-05-04 | 1.0.1.1 | NikitaVolkov |
| conversion-case-insensitive | 2 | 0.0 | 2 | "Conversion" instances for the "case-insensitive" library | (control, conversion, data, library, mit) | 2015-04-23 | 1.0.0.0 | NikitaVolkov |
| conversion-text | 9 | 0.0 | 4 | "Conversion" instances for the "text" library | (control, conversion, data, library, mit) | 2022-05-04 | 1.0.1.1 | NikitaVolkov |
| conversions | 3 | 0.0 | 0 | Injective explicit total and partial conversions | (library, mit, unclassified) | 2020-11-20 | 0.0.4 | mbj |
| convex-schema-parser | 22 | 0.0 | 0 | A type-safe client generator for Convex for both Rust and Python. | (code-generation, development, library, mit, program, web) | 2025-07-25 | 0.1.8.0 | lambdaxdotone |
| cookie | 28 | 2.0 | 75 | HTTP cookie parsing and rendering | (library, mit, web, yesod) | 2025-03-31 | 0.5.1 | MichaelSnoyman |
| cooklang-hs | 5 | 2.0 | 0 | Parser for the Cook markup language | (library, mit, parsing, program) | 2023-12-27 | 0.1.1 | isaacvando |
| core-compiler | 8 | 0.0 | 0 | compile your own mini functional language with Core | (compiler, language, library, mit, program) | 2017-08-06 | 0.1.0.2 | aneksteind |
| core-data | 24 | 0.0 | 5 | Convenience wrappers around common data structures and encodings | (library, mit, system) | 2023-04-04 | 0.3.9.1 | AndrewCowie |
| core-effect-effectful | 1 | 0.0 | 0 | Interoperability with the effectful effects system | (library, mit, system) | 2023-02-04 | 0.0.0.4 | AndrewCowie |
| core-program | 170 | 0.0 | 5 | Opinionated Haskell Interoperability | (library, mit, system) | 2023-10-13 | 0.7.0.0 | AndrewCowie |
| core-telemetry | 131 | 0.0 | 2 | Advanced telemetry | (library, mit, system) | 2023-06-24 | 0.2.9.4 | AndrewCowie |
| core-text | 29 | 2.0 | 6 | A rope type based on a finger tree over UTF-8 fragments | (library, mit, system) | 2023-02-27 | 0.3.8.1 | AndrewCowie |
| core-webserver-servant | 6 | 0.0 | 0 | Interoperability with Servant | (library, mit, system) | 2022-10-18 | 0.1.1.3 | AndrewCowie |
| core-webserver-warp | 10 | 0.0 | 1 | Interoperability with Wai/Warp | (library, mit, system) | 2023-05-26 | 0.2.1.2 | AndrewCowie |
| couch-simple | 2 | 0.0 | 1 | A modern, lightweight, complete client for CouchDB | (database, library, mit) | 2015-09-01 | 0.0.1.0 | mdorman |
| countable-inflections | 7 | 0.0 | 1 | Countable Text Inflections | (library, mit, text) | 2020-12-22 | 0.3.0 | tippenein |
| counter | 3 | 2.0 | 1 | An object frequency counter. | (data, library, mit) | 2017-09-04 | 0.1.0.2 | wei2912 |
| courier | 49 | 2.0 | 2 | A message-passing library for simplifying network applications | (distributed-computing, library, message-oriented, mit, network, program) | 2017-05-05 | 0.1.1.5 | PhilHargett |
| coverage | 12 | 0.0 | 1 | Exhaustivity Checking Library | (control, library, mit) | 2016-02-17 | 0.1.0.4 | NicolasDelPiano |
| cprng-aes-effect | 8 | 0.0 | 1 | Run random effect using cprng-aes, a crypto pseudo number generator. | (crypto, effect, library, mit) | 2014-06-02 | 0.1.0.2 | ibotty |
| cpuinfo | 2 | 2.0 | 2 | Haskell Library for Checking CPU Information | (library, mit, system) | 2025-03-15 | 0.1.0.3 | TravisWhitaker |
| cqrs | 13 | 0.0 | 2 | Command-Query Responsibility Segregation | (data, library, mit) | 2015-09-17 | 0.9.1 | BardurArantsson |
| cqrs-core | 3 | 0.0 | 3 | Command-Query Responsibility Segregation | (data, library, mit) | 2015-09-16 | 0.10.0 | BardurArantsson |
| cqrs-example | 27 | 0.0 | 1 | Example for cqrs package | (mit, program, web) | 2015-09-16 | 0.10.0 | BardurArantsson |
| cqrs-memory | 1 | 0.0 | 0 | Memory backend for the cqrs package. | (data, library, mit) | 2015-09-16 | 0.10.0 | BardurArantsson |
| cqrs-postgresql | 3 | 0.0 | 1 | PostgreSQL backend for the cqrs package. | (data, library, mit) | 2015-09-16 | 0.10.0 | BardurArantsson |
| cqrs-sqlite3 | 6 | 0.0 | 1 | SQLite3 backend for the cqrs package. | (data, library, mit) | 2013-03-10 | 0.9.0 | BardurArantsson |
| cqrs-test | 4 | 0.0 | 1 | Command-Query Responsibility Segregation Test Support | (data, library, mit) | 2013-03-10 | 0.9.0 | BardurArantsson |
| cqrs-testkit | 3 | 0.0 | 1 | Command-Query Responsibility Segregation Test Support | (data, library, mit) | 2015-09-16 | 0.10.0 | BardurArantsson |
| cqrs-types | 1 | 0.0 | 5 | Command-Query Responsibility Segregation. Modules for the basic types. | (data, library, mit) | 2015-09-17 | 0.9.1 | BardurArantsson |
| craftwerk | 1 | 0.0 | 4 | 2D graphics library with integrated TikZ output. | (graphics, library, mit) | 2011-03-14 | 0.1 | MalteHarder |
| craftwerk-cairo | 1 | 0.0 | 2 | Cairo backend for Craftwerk. | (graphics, library, mit) | 2011-03-14 | 0.1 | MalteHarder |
| craftwerk-gtk | 1 | 0.0 | 2 | Gtk UI for Craftwerk. | (graphics, library, mit) | 2011-03-14 | 0.1 | MalteHarder |
| craze | 8 | 0.0 | 0 | HTTP Racing Library | (library, mit, program, web) | 2016-08-26 | 0.1.3.0 | etcinit |
| crc | 5 | 0.0 | 3 | Implements various Cyclic Redundancy Checks (CRC) | (library, mit, web) | 2020-10-05 | 0.1.1.1 | MichaelXavier |
| crdt-event-fold | 30 | 2.0 | 1 | Garbage collected event folding CRDT. | (crdt, library, mit) | 2025-04-11 | 1.8.1.2 | rickowens |
| crem | 3 | 2.0 | 0 | Compositional representable executable machines | (control, library, machines, mit, program, state-machines) | 2023-03-17 | 0.1.0.0 | marcosh |
| criterion-plus (deprecated) | 3 | 0.0 | 1 | Enhancement of the "criterion" benchmarking library | (benchmarking, deprecated, library, mit) | 2014-12-26 | 0.1.3 | NikitaVolkov |
| criu-rpc | 2 | 0.0 | 1 | CRIU RPC client. | (criu, library, mit) | 2017-02-07 | 0.0.2 | wayofthepie |
| criu-rpc-types | 3 | 0.0 | 1 | Criu RPC protocol buffer types. | (criu, library, mit) | 2017-01-27 | 0.0.0.2 | wayofthepie |
| cron | 31 | 2.0 | 6 | Cron datatypes and Attoparsec parser | (library, mit, parsing, system, text) | 2024-11-09 | 0.7.2 | MichaelXavier |
| cron-compat (deprecated in favor of cron) | 2 | 0.0 | 1 | Cron datatypes and Attoparsec parser | (deprecated, library, mit, parsing, system, text) | 2015-06-09 | 0.2.6 | andrewthad |
| cronus (deprecated) | 1 | 0.0 | 0 | Another bloated standard library | (deprecated, library, mit, prelude) | 2020-07-05 | 0.1.0.0 | sgschlesinger |
| cropty | 6 | 2.0 | 1 | Encryption and decryption | (crypto, cryptography, library, mit) | 2021-09-19 | 0.3.1.0 | sgschlesinger |
| crypto-keys-ssh | 1 | 0.0 | 0 | Like crypto-pubkey-openssh but not dependent on any specific crypto library | (cryptography, library, mit) | 2019-12-02 | 0.1.0.0 | puffnfresh |
| crypto-pubkey-openssh | 17 | 0.0 | 3 | OpenSSH keys decoder/encoder | (cryptography, library, mit, parsing) | 2015-01-21 | 0.2.7 | FedorGogolev |
| crypto-random-effect | 10 | 0.0 | 2 | A random effect using crypto-random | (crypto, effect, library, mit) | 2014-09-12 | 0.2.0.4.1 | ibotty |
| crypto-rng-effectful | 2 | 0.0 | 0 | Adaptation of the crypto-rng library for the effectful ecosystem. | (crypto, library, mit) | 2022-07-16 | 1.0.0.0 | arybczak |
| crypto-simple | 2 | 0.0 | 2 | A simple high level encryption interface based on cryptonite | (cryptography, library, mit) | 2016-09-15 | 0.1.0.0 | RistoStevcev |
| cryptocompare | 9 | 0.0 | 1 | Haskell wrapper for the cryptocompare API | (library, mit, web) | 2020-09-25 | 0.1.2 | aviaviavi |
| css-syntax | 14 | 0.0 | 8 | High-performance CSS tokenizer and serializer. | (data, library, mit) | 2024-05-23 | 0.1.0.2 | wereHamster, alcinnz |
| css-text | 10 | 0.0 | 9 | CSS parser and renderer. | (library, mit, web, yesod) | 2018-02-05 | 0.1.3.0 | GregWeber, MichaelSnoyman |
| csv | 5 | 2.0 | 19 | CSV loader and dumper | (library, mit, text) | 2010-11-08 | 0.1.2 | JaapWeel |
| csv-table | 2 | 0.0 | 1 | Scripts for manipulating tables stored as CSV files | (data, library, mit) | 2016-04-21 | 0.1.0.1 | ranjitjhala |
| ctrie | 7 | 0.0 | 3 | Non-blocking concurrent map | (concurrency, data-structures, library, mit) | 2017-09-29 | 0.2 | MichaelSchroeder |
| cubical | 4 | 0.0 | 1 | Implementation of Univalence in Cubical Sets | (dependent-types, mit, program) | 2014-04-27 | 0.2.0 | AndersMortberg |
| cuboid | 9 | 0.0 | 1 | 3D Yampa/GLUT Puzzle Game | (game, mit, program) | 2015-05-22 | 0.14.2 | PedroMartins |
| cuckoo-filter | 4 | 0.0 | 0 | Pure and impure Cuckoo Filter | (data, library, mit, program) | 2018-12-12 | 0.2.0.2 | ChrisCoffey |
| curl-cookiejar | 1 | 0.0 | 0 | Parsing and pretty-printing of cURL/wget cookie jars | (library, mit, web) | 2019-03-26 | 0.1.0.0 | eamsden |
| curl-runnings | 37 | 0.0 | 0 | A framework for declaratively writing curl based API tests | (library, mit, program, testing) | 2022-03-07 | 0.17.0 | aviaviavi |
| currency-codes | 20 | 0.0 | 3 | ISO-4217 Currency Codes | (data, library, mit) | 2018-03-19 | 3.0.0.1 | KtorZ |
| current-locale | 3 | 0.0 | 1 | Get the current system locale in System.Locale format | (library, mit, system) | 2015-03-14 | 0.2.0.1 | AlexeyKotlyarov |
| currycarbon | 23 | 0.0 | 0 | A package for simple, fast radiocarbon calibration | (archaeoinformatics, library, mit, program) | 2025-07-25 | 0.5.0.0 | nevrome |
| cursor | 10 | 0.0 | 3 | Purely Functional Cursors | (editor, library, mit) | 2021-12-03 | 0.3.2.0 | Norfair |
| cursor-brick | 3 | 0.0 | 0 | (library, mit, unclassified) | 2021-11-21 | 0.1.0.1 | Norfair | |
| cursor-fuzzy-time | 4 | 0.0 | 1 | (library, mit, time) | 2024-01-18 | 0.1.0.0 | Norfair | |
| cursor-fuzzy-time-gen | 3 | 0.0 | 0 | (library, mit, time) | 2024-01-18 | 0.2.0.0 | Norfair | |
| cursor-gen | 4 | 0.0 | 2 | Generators for Purely Functional Cursors | (cursor, library, mit) | 2021-11-21 | 0.4.0.0 | Norfair |
| curves | 7 | 0.0 | 1 | Library for drawing curve based images. | (graphics, library, mit) | 2015-09-26 | 1.1.0.2 | UlfNorell |
| cut-the-crap | 20 | 0.0 | 0 | Cuts out uninteresting parts of videos by detecting silences. | (library, mit, program, video) | 2020-11-05 | 2.3.1 | Jappie |
| d10 | 22 | 2.0 | 2 | Digits 0-9 | (data, library, mit) | 2023-06-26 | 1.0.1.3 | chris_martin, Monoid_Mary |
| d3d11binding | 10 | 2.0 | 0 | A raw binding for the directX 11 | (graphics, library, mit, program) | 2016-05-11 | 0.0.0.7 | jwvg0425 |
| damnpacket | 27 | 0.0 | 1 | Parsing dAmn messages | (library, mit, network) | 2018-07-04 | 1.3.1 | JudeTaylor |
| danibot | 2 | 0.0 | 0 | Basic Slack bot framework. | (library, mit, network, program) | 2016-03-19 | 0.2.0.0 | DanielDiazCarrete |
| data-as | 1 | 0.0 | 0 | Simple extensible sum | (data, library, mit) | 2020-11-26 | 0.0.0.2 | incertia |
| data-basic | 9 | 2.0 | 1 | A database library with a focus on ease of use, type safety and useful error messages | (database, library, mit) | 2018-03-08 | 0.3.0.0 | darwin226 |
| data-binary-ieee754 (deprecated in favor of binary, cereal) | 14 | 0.0 | 66 | Parser/Serialiser for IEEE-754 floating-point values | (data, deprecated, library, mit) | 2013-07-07 | 0.4.4 | JohnMillikin |
| data-carousel | 2 | 0.0 | 2 | A rotating sequence data structure | (data, library, mit) | 2014-11-12 | 0.1.0.0 | JonSterling |
| data-combinator-gen | 7 | 0.0 | 0 | Generate a special combinator from any data type. | (data, library, mit) | 2019-05-26 | 0.1.0.4 | bolt12 |
| data-compat | 7 | 0.0 | 0 | Define Backwards Compatibility Schemes for Arbitrary Data | (data, library, mit) | 2024-11-10 | 0.1.0.5 | TravisWhitaker |
| data-concurrent-queue | 4 | 0.0 | 1 | A Library for directional queues | (concurrency, library, mit) | 2014-05-30 | 0.3.0.0 | georgerogers42 |
| data-elevator | 10 | 0.0 | 1 | Coerce between unlifted boxed and lifted types. | (data, library, mit) | 2024-09-16 | 0.2 | sgraf812 |
| data-embed | 1 | 0.0 | 1 | Embed files and other binary blobs inside executables without Template Haskell. | (data, library, mit, program) | 2016-01-01 | 0.1.0.0 | AntonEkblad |
| data-findcycle | 5 | 0.0 | 0 | Find cycles in periodic functions (and lists) | (data, library, mit) | 2025-06-01 | 0.1.2.0 | rafl |
| data-flagset | 2 | 0.0 | 1 | An efficient data type for sets of flags | (data, library, mit) | 2015-07-12 | 1.0.0.0 | TobiasBrandt |
| data-forced | 5 | 0.0 | 0 | Specify that lifted values were forced to WHNF or NF. | (data, library, mit) | 2023-04-25 | 0.3.0.0 | RubenAstudillo |
| data-lens-light | 11 | 0.0 | 11 | Simple lenses, minimum dependencies | (data, lenses, library, mit) | 2023-08-03 | 0.1.2.4 | RomanCheplyaka, srk |
| data-map-multikey | 4 | 0.0 | 1 | Data.Map with multiple, unique keys | (data, library, mit) | 2015-05-13 | 0.0.1.2 | JasonHickner |
| data-pdf-fieldreader | 3 | 0.0 | 0 | Read PDF form fields | (data, library, mit, program) | 2021-08-16 | 0.1.1.0 | ScottSedgwick |
| data-r-tree (deprecated in favor of r-tree) | 10 | 0.0 | 2 | R-Tree is a spatial data structure similar to Quadtrees or B-Trees. | (data-structures, deprecated, library, mit) | 2020-01-22 | 0.6.0 | SebastianPhilipp, OleksiiDivak |
| data-size | 8 | 0.0 | 2 | Profiling of data structures | (library, mit, testing) | 2014-01-11 | 0.1.1.7 | UweSchmidt |
| data-stringmap | 6 | 0.0 | 4 | An efficient implementation of maps from strings to arbitrary values | (data-structures, library, mit) | 2014-02-27 | 1.0.1.1 | UweSchmidt, SebastianPhilipp |
| data-structure-inferrer | 2 | 0.0 | 1 | Program that infers the fastest data structure available for your program | (development, mit, program) | 2011-12-27 | 1.0 | AleksanderBalicki |
| data-tensor | 1 | 0.0 | 1 | Tensor and Group typeclasses | (data, library, mit) | 2015-06-19 | 0.1.0.0 | TobiasDammers |
| datacrypto | 3 | 0.0 | 0 | Encryption library | (data, library, mit, security) | 2025-01-05 | 1.1.0 | drJonas |
| datadog | 15 | 1.25 | 3 | Datadog client for Haskell. Supports both the HTTP API and StatsD. | (library, mit, network) | 2022-03-30 | 0.3.0.0 | IanDuncan, dfithian |
| datasets | 16 | 2.0 | 1 | Classical data sets for statistics and machine learning | (data, data-mining, library, machine-learning, mit, statistics) | 2019-02-12 | 0.4.0 | glutamate, ocramz, stites |
| dataurl | 2 | 0.0 | 1 | Handle data-urls | (library, mit, web) | 2015-11-01 | 0.1.0.0 | AlexanderThiemann |
| date-conversions | 5 | 0.0 | 1 | Date conversions | (data, date, library, mit) | 2018-02-07 | 0.3.0.0 | joshuaclayton |
| dawdle | 3 | 0.0 | 0 | Generates DDL suggestions based on a CSV file | (database, library, mit, program) | 2015-12-05 | 0.1.0.2 | arnon |
| dbcleaner | 5 | 0.0 | 1 | Clean database tables automatically around hspec tests | (database, library, mit) | 2017-08-02 | 0.1.3 | jsl, sestrella, goetzc |
| dbus-app-launcher | 2 | 0.0 | 0 | Simple app launcher for D-Bus | (mit, program, system) | 2024-12-14 | 0.1.1.0 | DvdGiessen |
| ddc-base (deprecated in favor of ddc-core) | 14 | 0.0 | 14 | Disciplined Disciple Compiler common utilities. | (compilers-interpreters, deprecated, library, mit) | 2016-04-30 | 0.4.2.1 | BenLippmeier |
| ddc-build (deprecated) | 10 | 0.0 | 2 | Disciplined Disciple Compiler build framework. | (compilers-interpreters, deprecated, library, mit) | 2016-09-06 | 0.4.3.1 | BenLippmeier, amosrobinson |
| ddc-code (deprecated) | 11 | 0.0 | 1 | Disciplined Disciple Compiler base libraries. | (compilers-interpreters, deprecated, library, mit) | 2016-09-06 | 0.4.3.2 | BenLippmeier |
| ddc-core (deprecated) | 14 | 0.0 | 12 | Disciplined Disciple Compiler core language and type checker. | (compilers-interpreters, deprecated, library, mit) | 2016-09-06 | 0.4.3.1 | BenLippmeier |
| ddc-core-babel (deprecated) | 2 | 0.0 | 1 | Disciplined Disciple Compiler PHP code generator. | (compilers-interpreters, deprecated, library, mit) | 2016-09-06 | 0.4.3.1 | BenLippmeier |
| ddc-core-eval (deprecated) | 10 | 0.0 | 3 | Disciplined Disciple Compiler semantic evaluator for the core language. | (compilers-interpreters, deprecated, library, mit) | 2014-10-31 | 0.4.1.3 | BenLippmeier |
| ddc-core-flow (deprecated) | 8 | 0.0 | 4 | Disciplined Disciple Compiler data flow compiler. | (compilers-interpreters, deprecated, library, mit) | 2016-09-06 | 0.4.3.1 | BenLippmeier |
| ddc-core-llvm (deprecated) | 8 | 0.0 | 3 | Disciplined Disciple Compiler LLVM code generator. | (compilers-interpreters, deprecated, library, mit) | 2016-09-06 | 0.4.3.1 | BenLippmeier |
| ddc-core-salt (deprecated) | 9 | 0.0 | 7 | Disciplined Disciple Compiler C code generator. | (compilers-interpreters, deprecated, library, mit) | 2016-09-06 | 0.4.3.1 | BenLippmeier |
| ddc-core-simpl (deprecated) | 14 | 0.0 | 7 | Disciplined Disciple Compiler code transformations. | (compilers-interpreters, deprecated, library, mit) | 2016-09-06 | 0.4.3.1 | BenLippmeier |
| ddc-core-tetra (deprecated) | 7 | 0.0 | 6 | Disciplined Disciple Compiler intermediate language. | (compilers-interpreters, deprecated, library, mit) | 2016-09-06 | 0.4.3.1 | BenLippmeier |
| ddc-driver (deprecated) | 18 | 0.0 | 1 | Disciplined Disciple Compiler top-level driver. | (compilers-interpreters, deprecated, library, mit) | 2016-09-06 | 0.4.3.1 | BenLippmeier |
| ddc-interface (deprecated) | 6 | 0.0 | 2 | Disciplined Disciple Compiler user interface support. | (compilers-interpreters, deprecated, library, mit) | 2014-10-31 | 0.4.1.3 | BenLippmeier |
| ddc-source-tetra (deprecated) | 9 | 0.0 | 3 | Disciplined Disciple Compiler source language. | (compilers-interpreters, deprecated, library, mit) | 2016-09-06 | 0.4.3.1 | BenLippmeier |
| ddc-tools (deprecated) | 12 | 0.0 | 1 | Disciplined Disciple Compiler command line tools. | (compilers-interpreters, deprecated, mit, program) | 2016-09-06 | 0.4.3.1 | BenLippmeier |
| ddc-war (deprecated) | 4 | 0.0 | 1 | Disciplined Disciple Compiler test driver and buildbot. | (compilers-interpreters, deprecated, mit, program) | 2014-10-31 | 0.4.1.3 | BenLippmeier |
| ddci-core (deprecated) | 6 | 0.0 | 1 | Disciple Core language interactive interpreter. | (compilers-interpreters, deprecated, mit, program) | 2012-10-24 | 0.2.1.2 | BenLippmeier |
| dead-simple-json | 1 | 0.0 | 1 | Dead simple JSON parser, with some Template Haskell sugar. | (json, library, mit) | 2013-03-26 | 0.1.2 | JulianFleischer |
| debug-print | 8 | 0.0 | 1 | A structured alternative to Show | (debug, library, mit) | 2025-07-07 | 0.2.1.0 | PatrickBrisbin, dukerutledge, mjgpy3, chris_martin, FreckleEngineering, OlaoluwaM |
| debug-time | 3 | 0.0 | 1 | Debug.Trace equivalent for timing computations | (debug, library, mit) | 2016-01-09 | 0.1.0.1 | darwin226 |
| debug-trace-file | 6 | 0.0 | 0 | Like Debug.Trace but writing to files. | (debug, library, mit) | 2023-06-30 | 1.0.0.1 | ak3n |
| debug-trace-var | 1 | 0.0 | 1 | You do not have to write variable names twice in Debug.Trace | (debug, library, mit) | 2018-06-09 | 0.2.0 | ncaq |
| deburr | 3 | 2.0 | 1 | Convert Unicode characters with burrs to their ASCII counterparts. | (library, mit, text) | 2017-08-28 | 0.1.0.1 | princess |
| declarative | 15 | 0.0 | 1 | DIY Markov Chains. | (library, math, mit) | 2021-02-23 | 0.5.4 | JaredTobin |
| decode-utf8 | 3 | 0.0 | 1 | Decode a UTF-8 byte stream on standard input | (mit, program, text) | 2015-05-13 | 1.2 | JoeHurd |
| deeplearning-hs | 3 | 0.0 | 1 | Deep Learning in Haskell | (library, math, mit, program) | 2014-05-05 | 0.1.0.2 | ajtulloch |
| deepseq-instances | 3 | 0.0 | 0 | Candidate NFData Instances for Types in base | (control, library, mit) | 2020-05-28 | 0.1.0.1 | TravisWhitaker |
| deferred-folds | 140 | 0.0 | 15 | Abstractions over deferred folds | (fold, folding, library, mit) | 2025-02-02 | 0.9.18.7 | NikitaVolkov |
| dejafu | 94 | 2.0 | 7 | A library for unit-testing concurrent programs. | (concurrency, library, mit) | 2025-01-06 | 2.4.0.7 | barrucadu |
| delude (deprecated) | 4 | 0.0 | 1 | Generalized the Prelude more functionally. | (deprecated, distribution, library, mit) | 2016-06-01 | 0.1.0.3 | sgschlesinger |
| dense-int-set | 11 | 0.0 | 1 | Dense int-set | (data, library, mit) | 2018-10-08 | 0.3 | NikitaVolkov |
| depends (deprecated in favor of cabal-install) | 1 | 0.0 | 1 | A simple configuration management tool for Haskell | (deprecated, distribution, mit, program) | 2013-09-28 | 0.0.1 | SimonHengel |
| deque | 32 | 2.0 | 8 | Double-ended queues | (data, library, mit) | 2025-02-03 | 0.4.4.2 | NikitaVolkov |
| derive-has-field | 22 | 0.0 | 0 | Derive HasField instances with Template Haskell | (library, mit, template-haskell) | 2025-07-09 | 0.1.2.0 | chiroptical |
| derive-monoid | 1 | 0.0 | 1 | derive Semigroup/Monoid/IsList | (derive-monoid, derive-monoid-, library, mit, program) | 2017-05-01 | 0.0.1 | sboo |
| derive-storable | 36 | 2.0 | 13 | Derive Storable instances with GHC.Generics. | (foreign, library, mit) | 2022-04-09 | 0.3.1.0 | mkloczko |
| derive-storable-plugin | 20 | 0.0 | 7 | GHC core plugin supporting the derive-storable package. | (foreign, library, mit) | 2023-05-07 | 0.2.3.7 | mkloczko |
| deriving-openapi3 | 1 | 0.0 | 0 | DerivingVia for OpenAPI 3 | (generics, json, library, mit, openapi) | 2022-12-22 | 0.1.0.0 | iko |
| derulo | 24 | 0.0 | 0 | Parse and render JSON simply. | (json, library, mit, program) | 2022-08-28 | 2.0.0.3 | fozworth |
| desktop-portal | 20 | 0.0 | 0 | Desktop Portal. | (desktop, flatpak, gui, library, mit, portal, xdg) | 2024-12-21 | 0.8.0.1 | garethdanielsmith |
| deterministic-game-engine | 9 | 2.0 | 1 | Simple deterministic game engine | (game-engine, library, mit) | 2015-08-02 | 0.4.0 | tgolson |
| deunicode | 1 | 0.0 | 1 | Get rid of unicode (utf-8) symbols in Haskell sources | (codec, mit, program) | 2010-10-15 | 0.1 | BenFranksen |
| devil | 2 | 0.0 | 1 | A small tool to make it easier to update program managed by Angel. | (mit, program, system) | 2014-06-29 | 0.1.1.0 | luanzhu |
| dfrac | 5 | 0.0 | 1 | A package for precise decimal arithmatic using rationals. | (library, math, mit) | 2014-08-15 | 0.1.2.0 | georgerogers42 |
| dgim | 3 | 0.0 | 1 | Implementation of DGIM algorithm | (algorithms, data, library, mit) | 2015-04-04 | 0.0.3 | musically_ut |
| dhall-lsp-server | 31 | 0.0 | 0 | Language Server Protocol (LSP) server for Dhall | (library, mit, program, unclassified) | 2025-01-19 | 1.1.4 | GabrielGonzalez, sjakobi |
| dhall-text-shell | 3 | 0.0 | 0 | Render dhall text with shell commands as function arguments | (compiler, library, mit, program) | 2022-05-01 | 0.2.0.0 | jle |
| dhall-to-cabal | 12 | 0.0 | 0 | Compile Dhall expressions to Cabal files | (distribution, library, mit, program) | 2019-07-05 | 1.3.4.0 | OliverCharles |
| dhrun | 2 | 0.0 | 0 | Dhall/YAML configurable concurrent integration test executor. | (library, mit, program, tools) | 2019-07-25 | 1.0.1 | fre |
| di-polysemy | 10 | 0.0 | 4 | DI logger wrapped for Polysemy | (library, logging, mit) | 2020-09-03 | 0.2.0.0 | nitros12 |
| diagrams-rubiks-cube | 5 | 0.0 | 1 | Library for drawing the Rubik's Cube. | (graphics, library, mit) | 2017-12-09 | 0.3.0.0 | TimBaumann |
| dib | 7 | 0.0 | 1 | A simple, forward build system. | (development, library, mit, program) | 2018-01-10 | 0.7.2 | blajzer |
| diff-loc | 0 | 0.0 | 1 | Map file locations across diffs | (data, library, mit) | 2022-12-10 | 0.1.0.0 | lyxia |
| difference-monoid | 1 | 0.0 | 1 | (library, mit, unclassified) | 2018-05-20 | 0.1.0.0 | ||
| digestive-bootstrap | 4 | 0.0 | 1 | Speed up form designing using digestive functors and bootstrap | (library, mit, web) | 2016-11-30 | 0.3.0.0 | AlexanderThiemann |
| digestive-foundation-lucid | 0 | 0.0 | 1 | Speed up form designing using digestive functors and foundation | (library, mit, web) | 2015-02-17 | 0.0.0.1 | athanclark |
| digitalocean-kzs | 5 | 0.0 | 1 | digitalocean api for haskell | (library, mit, web) | 2015-06-28 | 0.1.0.3 | KazumaSATO |
| dingo-core | 14 | 0.0 | 2 | Dingo is a Rich Internet Application platform based on the Warp web server. | (library, mit, web) | 2012-02-06 | 0.2.0 | BardurArantsson |
| dingo-example | 4 | 0.0 | 1 | Dingo Example | (mit, program, web) | 2012-02-06 | 0.2.0 | BardurArantsson |
| dingo-widgets | 6 | 0.0 | 1 | Dingo Widgets | (library, mit, web) | 2012-02-06 | 0.2.0 | BardurArantsson |
| dirforest | 2 | 0.0 | 1 | Typed directory forest | (library, mit, unclassified) | 2023-02-25 | 0.1.0.0 | Norfair |
| dirtree | 5 | 0.0 | 0 | A small library for working with directories. | (library, mit, system) | 2020-04-28 | 0.1.3 | kalhauge |
| discogs-haskell | 2 | 0.0 | 1 | Client for Discogs REST API | (library, mit, web) | 2016-04-02 | 0.0.5.0 | accraze |
| discord-gateway | 2 | 0.0 | 1 | An API wrapper for Discord in Haskell | (library, mit, network) | 2017-06-17 | 0.2.2 | jkoike |
| discord-haskell | 131 | 2.5 | 2 | Write bots for Discord in Haskell | (library, mit, network, program) | 2025-07-05 | 1.18.0 | Aquarial, yutotakano, annwan, BenjaminMcRae |
| discord-haskell-voice | 8 | 2.25 | 0 | Voice support for discord-haskell. | (discord, library, mit, network, program, udp) | 2025-03-03 | 3.0.0 | yutotakano |
| discord-hs | 9 | 1.5 | 1 | An API wrapper for Discord in Haskell | (library, mit, network) | 2017-06-17 | 0.4.2 | jkoike |
| discord-rest | 2 | 0.0 | 1 | An API wrapper for Discord in Haskell | (library, mit, network) | 2017-06-17 | 0.2.2 | jkoike |
| discord-types | 2 | 0.0 | 3 | Type information for discord-hs | (library, mit, network) | 2017-06-17 | 0.2.2 | jkoike |
| discount | 4 | 0.0 | 1 | Haskell bindings to the discount Markdown library. | (library, mit, text) | 2012-10-12 | 0.1.1 | PatrickHurst |
| disjoint-set-stateful | 3 | 0.0 | 1 | Monadic disjoint set | (data, library, mit) | 2017-04-23 | 0.1.1.0 | clinton |
| diskhash | 13 | 2.0 | 1 | Disk-based hash table | (data, library, mit) | 2019-11-11 | 0.0.4.2 | luispedro |
| distance | 1 | 0.0 | 1 | Useful distance datatype and functions | (library, mit, web) | 2017-01-07 | 0.1.0.0 | AlexanderThiemann |
| distance-of-time | 3 | 0.0 | 1 | Generate readable distances between times. | (library, mit, time) | 2017-02-06 | 0.1.2.0 | joshuaclayton |
| djembe | 5 | 0.0 | 1 | Hit drums with haskell | (library, mit, sound) | 2016-01-20 | 0.1.1.2 | ReedRosenbluth |
| djot | 7 | 0.0 | 1 | Parser and renderer for djot light markup syntax. | (library, mit, program, text) | 2024-10-05 | 0.1.2.2 | JohnMacFarlane |
| dobutok (deprecated in favor of dobutokO) | 2 | 0.0 | 0 | Creates the time intervals for CLI changing messages on the screen. | (cli, deprecated, library, mit) | 2020-02-15 | 0.1.0.2 | OleksandrZhabenko |
| dobutokO | 12 | 0.0 | 0 | The library is intended to print updated messages on the terminal screen. | (cli, library, mit) | 2020-05-14 | 0.3.2.0 | OleksandrZhabenko |
| dobutokO-effects | 21 | 0.0 | 0 | A library to deal with SoX effects and possibilities | (library, mit, music, sound, sox) | 2022-08-13 | 0.13.1.0 | OleksandrZhabenko |
| dobutokO-frequency | 3 | 0.0 | 1 | Helps to create experimental music. Working with frequencies and types. | (library, mit, sound, sox) | 2022-08-13 | 0.1.2.0 | OleksandrZhabenko |
| dobutokO-poetry | 29 | 0.0 | 0 | Helps to order the 7 or less Ukrainian words to obtain somewhat suitable for poetry or music text | (Ukrainian, game, language, library, mit, phonetic-languages, poetry, program, uniqueness) | 2020-09-07 | 0.17.0.0 | OleksandrZhabenko |
| dobutokO-poetry-general | 1 | 0.0 | 2 | Helps to order the 7 or less words (first of all the Ukrainian ones) to obtain somewhat suitable for poetry or music text | (game, language, library, mit) | 2020-08-16 | 0.1.0.0 | OleksandrZhabenko |
| dobutokO-poetry-general-languages | 1 | 0.0 | 0 | Helps to order the 7 or less words to obtain somewhat suitable for poetry or music text | (game, language, library, mit, uniqueness, uniquenessPeriods) | 2020-08-18 | 0.2.0.0 | OleksandrZhabenko |
| dobutokO2 | 94 | 0.0 | 2 | Helps to create experimental music from a file (or its part) and a Ukrainian text. | (Ukrainian, algorithmic-composition, language, library, mit, music, program, rhythm, sound, sox, timbre, tonality) | 2025-05-28 | 0.45.3.0 | OleksandrZhabenko |
| dobutokO3 | 2 | 0.0 | 0 | Helps to create more complex experimental music from a file (especially timbre). | (library, mit, music, rhythm, sound, sox, timbre) | 2020-08-16 | 0.3.0.0 | OleksandrZhabenko |
| dobutokO4 | 11 | 0.0 | 0 | Helps to create experimental music. Uses SoX inside. | (algorithmic-composition, library, mit, sound, sox) | 2020-08-16 | 0.8.0.0 | OleksandrZhabenko |
| dockercook | 9 | 0.0 | 1 | A build tool for multiple docker image layers | (development, library, mit, program) | 2016-09-12 | 0.5.0.3 | AlexanderThiemann |
| dockerfile | 5 | 0.0 | 1 | A Haskell DSL for generating Dockerfiles | (data, library, mit) | 2018-09-14 | 0.2.0 | ChristopherReichert, tusharad |
| docopt | 14 | 2.25 | 6 | A command-line interface parser that will make you smile | (console, library, mit) | 2024-02-26 | 0.7.0.8 | ryanartecona, martijnbastiaan, fullstackgjj, PeterLebbing |
| docrecords | 2 | 0.0 | 1 | Vinyl-based records with hierarchical field names, default values and documentation | (cli, data, json, library, mit, options, parsing, records) | 2019-10-09 | 0.1.0.0 | YvesPares |
| docstrings | 1 | 0.0 | 1 | Docstrings for documentation in the repl | (documentation, library, mit) | 2017-11-10 | 0.1.0.0 | dailectic |
| doctest | 100 | 2.75 | 14 | Test interactive Haskell examples | (library, mit, program, testing) | 2025-06-24 | 0.24.2 | AndreasAbel, KazuYamamoto, SimonHengel, SoenkeHahn, jkarni, ryanglscott, quasicomputational |
| doctest-lib | 6 | 0.0 | 1 | Parts of doctest exposed as library | (library, mit, testing) | 2024-05-12 | 0.1.1.1 | HenningThielemann |
| doctest-parallel | 30 | 2.0 | 0 | Test interactive Haskell examples | (library, mit, testing) | 2025-06-08 | 0.4 | ChrisDornan, martijnbastiaan |
| doctest-prop (deprecated in favor of doctest) | 11 | 1.75 | 1 | Allow QuickCheck-style property testing within doctest. | (deprecated, library, mit, testing) | 2015-05-05 | 0.2.0.1 | TakayukiMuranushi |
| docvim | 10 | 0.0 | 0 | Documentation generator for Vim plug-ins | (development, library, mit, program) | 2016-06-26 | 0.3.2.1 | wincent |
| doi | 3 | 0.0 | 1 | Automatic Bibtex and fulltext of scientific articles | (database, library, mit, program) | 2017-01-22 | 0.0.2 | johannesgerer |
| dom-parser | 27 | 0.0 | 1 | Simple monadic DOM parser | (library, mit, xml) | 2024-01-30 | 3.2.0 | AlekseyUymanov, mniip, typeable |
| domain | 7 | 0.0 | 1 | Codegen helping you define domain models | (idl, library, mit) | 2023-12-09 | 0.1.1.5 | NikitaVolkov |
| domain-aeson | 9 | 0.0 | 0 | Integration of domain with aeson | (library, mit, unclassified) | 2023-12-14 | 0.1.1.2 | NikitaVolkov |
| domain-cereal | 5 | 0.0 | 0 | Integration of domain with cereal | (library, mit, unclassified) | 2023-12-13 | 0.1.0.1 | NikitaVolkov |
| domain-core | 9 | 0.0 | 4 | Low-level API of "domain" | (idl, library, mit) | 2023-12-09 | 0.1.0.4 | NikitaVolkov |
| domain-optics | 5 | 0.0 | 1 | Integration of domain with optics | (library, mit, unclassified) | 2023-12-13 | 0.1.0.4 | NikitaVolkov |
| dotenv | 131 | 0.0 | 6 | Loads environment variables from dotenv files | (configuration, library, mit, program) | 2024-02-03 | 0.12.0.0 | jsl, jpvillaisaza, stackbuilders, sestrella, camm, dbalseiro |
| doublezip | 1 | 0.0 | 1 | Some special functions to work with lists (with zip). | (data, library, mit) | 2021-02-24 | 0.1.0.0 | OleksandrZhabenko |
| doublify-toolkit | 1 | 0.0 | 1 | Doublify API toolkit for Haskell | (api, library, mit) | 2017-04-03 | 0.0.1 | fdhadzh |
| downhill | 5 | 2.0 | 0 | Reverse mode automatic differentiation | (library, math, mit) | 2023-03-04 | 0.4.0.0 | andriusstank |
| dozens | 2 | 0.0 | 1 | dozens api library | (library, mit, web) | 2015-06-12 | 0.1.1 | HirotomoMoriwaki |
| dpor (deprecated in favor of dejafu) | 3 | 0.0 | 2 | A generic implementation of dynamic partial-order reduction (DPOR) for testing arbitrary models of concurrency. | (deprecated, library, mit, testing) | 2016-06-06 | 0.2.0.0 | barrucadu |
| dresdner-verkehrsbetriebe | 3 | 0.0 | 1 | Library and program for querying DVB (Dresdner Verkehrsbetriebe AG) | (library, mit, network, program) | 2016-11-30 | 1.0.0 | meoblast001 |
| drifter | 9 | 0.0 | 3 | Simple schema management for arbitrary databases. | (database, library, mit) | 2021-01-26 | 0.3.0 | MichaelXavier, andrewrademacher |
| drifter-postgresql | 5 | 0.0 | 1 | PostgreSQL support for the drifter schema migration tool | (database, library, mit) | 2017-12-25 | 0.2.1 | MichaelXavier |
| driving-classes-plugin | 6 | 0.0 | 0 | Deriving without spelling out "deriving" | (development, library, mit) | 2022-09-13 | 0.1.4.0 | lyxia |
| drone | 3 | 0.0 | 0 | (library, mit, unclassified) | 2020-03-28 | 1.1.0 | matsubara0507 | |
| dropbox (deprecated) | 5 | 0.0 | 0 | Dropbox API client | (api, deprecated, library, mit, program) | 2020-10-23 | 0.0.4 | |
| dropbox-sdk | 11 | 0.0 | 1 | A library to access the Dropbox HTTP API. | (library, mit, network-apis) | 2012-07-30 | 0.3.1 | KannanGoundan |
| ds-kanren | 4 | 0.0 | 1 | A subset of the miniKanren language | (language, library, mit) | 2014-10-09 | 0.2.0.1 | jozefg |
| dsc | 8 | 0.0 | 1 | Helper functions for setting up Double Submit Cookie defense for forms | (library, mit, web) | 2017-03-21 | 0.2.0 | qoelet |
| dson-parsec | 5 | 0.0 | 1 | DSON parser. | (data, library, mit) | 2014-06-23 | 0.4.1.1 | alvare |
| dsv | 8 | 0.0 | 0 | DSV (delimiter-separated values) | (csv, library, mit, pipes, text) | 2022-03-14 | 1.0.0.3 | chris_martin, Monoid_Mary |
| dtw | 6 | 0.0 | 1 | (Fast) Dynamic Time Warping | (algorithms, data-mining, library, machine-learning, mit) | 2016-07-21 | 1.0.3.0 | fho |
| dual-game | 5 | 2.0 | 1 | Network multiplayer 2D shooting game | (game, mit, program) | 2018-03-30 | 0.1.0.1 | fgaz |
| duckdb-haskell | 4 | 0.0 | 0 | Haskell bindings for duckdb. | (database, library, mit) | 2023-10-22 | 0.1.0.0 | sighingnow |
| dump | 14 | 2.0 | 1 | Dumps the names and values of expressions to ease debugging. | (development, library, mit, quasiquotes) | 2015-07-24 | 0.2.8 | Wizek |
| duplo (deprecated) | 15 | 0.0 | 1 | Frontend development build tool | (deprecated, library, mit, program, web) | 2015-02-24 | 1.8.1 | kenhkan |
| dvault | 1 | 0.0 | 0 | Dead simple password manager | (mit, program, unclassified) | 2019-05-14 | 0.1.0.0 | isd |
| dywapitchtrack | 2 | 0.0 | 1 | Bindings to the dywapitchtrack pitch tracking library | (library, mit, sound) | 2015-10-07 | 0.1.0.1 | lortabac |
| earclipper | 1 | 2.0 | 1 | Ear Clipping Triangulation | (graphics, library, mit, program) | 2017-02-07 | 0.0.0.1 | zaidan |
| easy-api | 0 | 0.0 | 1 | Utility code for building HTTP API bindings more quickly. | (library, mit, web) | 2013-11-22 | 0.1.0.0 | IanDuncan |
| easyjson | 3 | 0.0 | 1 | Haskell JSON library with an emphasis on simplicity, minimal dependencies, and ease of use. | (library, mit, text) | 2014-08-10 | 0.1.0.1 | thinkpad20 |
| easyplot | 2 | 0.0 | 2 | A tiny plotting library, utilizes gnuplot for plotting. | (graphics, library, math, mit, plotting) | 2013-03-26 | 1.0 | JulianFleischer |
| easytest | 12 | 0.0 | 2 | Simple, expressive testing library | (library, mit, testing) | 2019-03-06 | 0.3 | joelb |
| ebird-api | 3 | 2.0 | 2 | A Haskell description of the eBird API | (library, mit, web) | 2023-12-16 | 0.2.0.0 | FinleyMcIlwaine |
| ebird-cli | 4 | 2.0 | 0 | A command-line utility for interacting with the eBird API. | (library, mit, program, web) | 2023-12-17 | 0.3.0.1 | FinleyMcIlwaine |
| ebird-client | 3 | 2.0 | 1 | Client functions for querying the eBird API. | (library, mit, web) | 2023-12-17 | 0.2.0.1 | FinleyMcIlwaine |
| ebnf-bff | 3 | 0.0 | 0 | Parser combinators & EBNF, BFFs! | (ebnf, library, metalanguage, mit, parsing, program, text) | 2015-09-20 | 0.1.1.0 | Lokidottir |
| ecta-plugin | 8 | 2.0 | 0 | Hole-Fit Synthesis using ECTAs | (compiler-plugin, library, mit) | 2022-09-15 | 0.1.1.3 | tritlo |
| ed25519 | 6 | 0.0 | 4 | Ed25519 cryptographic signatures | (cryptography, mit) | 2015-10-11 | 0.0.5.0 | AustinSeipp, HerbertValerioRiedel |
| edges | 24 | 0.0 | 1 | Tools for efficient immutable graphs | (graphs, library, mit) | 2018-08-31 | 0.11.0.3 | NikitaVolkov |
| edis | 1 | 0.0 | 1 | Statically typechecked client for Redis | (database, library, mit) | 2015-12-21 | 0.0.1.0 | TingYenLai |
| edits | 4 | 0.0 | 0 | show the differences between 2 pieces of Text using the Levenshtein distance | (data, library, mit) | 2022-09-24 | 0.1.1.0 | etorreborre |
| effect-handlers | 11 | 0.0 | 1 | A library for writing extensible algebraic effects and handlers. Similar to extensible-effects but with deep handlers. | (control, library, mit) | 2016-04-28 | 0.1.0.8 | edofic, blambda |
| egison | 287 | 2.0 | 2 | Programming language with non-linear pattern-matching against non-free data | (compilers-interpreters, library, mit, program) | 2021-12-18 | 4.1.3 | SatoshiEgi, momohatt |
| egison-quote | 3 | 0.0 | 1 | A quasi quotes for using Egison expression in Haskell code | (language, library, mit) | 2012-09-07 | 0.2 | TakuyaKuwahara |
| egison-tutorial | 42 | 0.0 | 1 | A tutorial program for the Egison programming language | (compilers-interpreters, mit, program) | 2021-12-18 | 4.1.3 | SatoshiEgi, momohatt |
| ehlo | 1 | 0.0 | 0 | Minimalistic SMTP client for Haskell | (library, mit, network) | 2022-07-09 | 0.1.0.0 | mordae |
| ehs | 4 | 0.0 | 1 | Embedded haskell template using quasiquotes. | (language, library, mit, template, text) | 2015-03-15 | 0.7.0 | minpou |
| ejdb2-binding | 4 | 0.0 | 0 | Binding to EJDB2 C library, an embedded JSON noSQL database | (database, library, mit) | 2021-04-03 | 0.3.0.2 | buro |
| ekg-prometheus-adapter | 5 | 0.0 | 2 | Easily expose your EKG metrics to Prometheus | (library, mit, web) | 2024-08-22 | 0.1.0.5 | AlfredoDiNapoli, MikolajKonarski |
| elliptic-curve | 5 | 0.0 | 5 | Elliptic curve library | (cryptography, library, mit) | 2019-09-27 | 0.3.0 | sdiehl |
| elm-export-persistent | 8 | 0.0 | 1 | elm-export persistent entities | (data, database, library, mit, web) | 2021-01-09 | 1.0.0 | WilliamCasarin |
| elm-init | 20 | 2.0 | 1 | Set up basic structure for an elm project | (development, mit, program) | 2016-09-10 | 1.0.5 | justus |
| elsa | 7 | 0.0 | 0 | A tiny language for understanding the lambda-calculus | (language, library, mit, program) | 2022-09-28 | 0.2.2.0 | ranjitjhala |
| enclosed-exceptions | 11 | 2.0 | 23 | Catching all exceptions from within an enclosed computation | (control, library, mit) | 2018-07-11 | 1.0.3 | MichaelSnoyman, jcristovao |
| encode-string | 2 | 0.0 | 1 | Safe string conversion and encoding | (data, library, mit, string, text) | 2017-03-15 | 0.1.0.0 | minad |
| end-of-exe | 4 | 0.0 | 5 | A small library to deal with executable endings | (library, mit, system) | 2024-01-05 | 0.1.2.0 | OleksandrZhabenko |
| engine-io-growler | 4 | 0.0 | 1 | (library, mit, web) | 2015-04-23 | 0.1.0.1 | IanDuncan | |
| entangle | 1 | 0.0 | 0 | An application (and library) to convert quipper circuits into Qpmc models. | (library, mit, program, unclassified) | 2017-01-06 | 0.1.1 | miniBill |
| enumerate | 5 | 0.0 | 1 | enumerate all the values in a finite type (automatically) | (data, library, mit, program) | 2017-05-02 | 0.2.2 | sboo |
| enumerator (deprecated) | 78 | 0.0 | 98 | Reliable, high-performance processing with left-fold enumerators | (data, deprecated, enumerator, library, mit) | 2013-10-13 | 0.4.20 | JohnMillikin |
| enumerator-fd | 4 | 0.0 | 1 | Enumerator instances for monads-fd classes | (enumerator, library, mit) | 2011-11-21 | 0.1.0.2 | JohnMillikin |
| enumerator-tf | 4 | 0.0 | 1 | Enumerator instances for monads-tf classes | (enumerator, library, mit) | 2011-12-30 | 0.1.1 | JohnMillikin |
| env-extra | 2 | 2.0 | 0 | Safe helpers for accessing and modifying environment variables | (library, mit, system) | 2020-01-06 | 1.0.0.0 | d12frosted |
| env-guard | 7 | 0.0 | 0 | Conditionally running IO actions based on environment variables. | (environment, library, mit, system) | 2025-07-16 | 0.2.1 | tbidne |
| env-parser | 4 | 0.0 | 1 | Pull configuration information from the ENV | (library, mit, system) | 2014-01-24 | 0.0.2.1 | JosephAbrahamson |
| envstatus | 4 | 0.0 | 0 | Display efficiently the state of the local environment | (development, library, mit, program) | 2018-10-28 | 1.0.2 | gbataille |
| epi-sim | 3 | 0.0 | 0 | A library for simulating epidemics as birth-death processes. | (library, mit, simulation) | 2021-07-19 | 0.7.0 | AlexanderZarebski |
| erpnext-api-client | 6 | 0.0 | 0 | Generic API client library for ERPNext | (api, library, mit) | 2025-04-12 | 0.2.0.0 | schoettl |
| errata | 10 | 0.0 | 2 | Source code error pretty printing | (library, mit, pretty-printer, program) | 2024-12-10 | 0.4.0.3 | comp |
| error | 33 | 2.0 | 1 | The canonical error type | (data, error-handling, library, mit) | 2022-10-09 | 1.0.0.0 | Profpatsch |
| error-list | 4 | 0.0 | 2 | A useful type for collecting error messages. | (control, library, mit) | 2015-06-18 | 0.1.0.3 | thinkpad20 |
| error-loc | 4 | 0.0 | 1 | An error replacement with call-site metadata. | (library, mit, utils) | 2013-10-03 | 0.1.0.0 | JoelTaylor |
| error-util | 4 | 0.0 | 2 | Set of utils and operators for error handling | (error-handling, library, mit) | 2017-08-09 | 0.0.1.2 | danilo2, PiotrMlodawski, iamrecursion |
| errorcall-eq-instance (deprecated in favor of base-orphans) | 5 | 0.0 | 2 | An orphan Eq instance for ErrorCall | (control, deprecated, library, mit) | 2015-04-22 | 0.3.0 | SimonHengel |
| escaped | 3 | 0.0 | 0 | Produce Text with terminal escape sequences | (library, mit, program, text) | 2024-08-27 | 1.1.0.0 | PatrickBrisbin |
| escoger | 1 | 0.0 | 0 | Terminal fuzzy selector | (library, mit, program, tools) | 2018-03-29 | 0.1.0.0 | TomMurphy |
| esqueleto-postgis | 2 | 0.0 | 0 | postgis bindings for esqueleto. | (database, library, mit) | 2024-02-25 | 1.0.1 | Jappie |
| esqueleto-textsearch | 16 | 0.0 | 0 | PostgreSQL full text search for Esqueleto | (database, library, mit) | 2024-03-04 | 1.3.1 | Jappie, jgt |
| ess | 2 | 0.0 | 1 | The type-level S combinator in Haskell. | (data, library, mit) | 2015-04-25 | 0.1.0.0 | MichaelOChurch |
| etc | 17 | 0.0 | 2 | Declarative configuration spec for Haskell projects | (configuration, library, mit, system) | 2018-08-29 | 0.4.1.0 | RomanGonzalez |
| eternity | 4 | 0.0 | 1 | Native event-sourcing database | (database, eventsourcing, library, mit, streaming) | 2018-08-20 | 0.1.3 | NikitaVolkov, effectfully, vlastachu, OShev |
| eternity-timestamped | 17 | 0.0 | 1 | Automatic timestamping for Eternity | (database, eternity, event-sourcing, library, mit, streaming) | 2018-08-20 | 0.4.1 | NikitaVolkov, effectfully, vlastachu, OShev |
| eths-rlp | 2 | 0.0 | 1 | Ethereum Recursive Length Prefix Encoding | (contracts, data, ethereum, finance, library, mit, network) | 2016-12-25 | 0.1.0.0 | LogvinovLeon |
| euler | 18 | 0.0 | 1 | Mathematics utilities for Haskell | (library, math, mit) | 2020-05-25 | 0.10.1 | decomputed, luisonthekeyboard |
| eveff | 2 | 0.0 | 0 | Efficient effect handlers based on evidence translation. | (control, effect, library, mit) | 2021-07-19 | 1.0.0.2 | ningningxie |
| eventful-core | 7 | 2.0 | 6 | Core module for eventful | (database, eventsourcing, library, mit) | 2017-07-31 | 0.2.0 | jdreaver |
| eventful-dynamodb | 7 | 0.0 | 1 | Library for eventful DynamoDB event stores | (aws, database, eventsourcing, library, mit) | 2017-07-31 | 0.2.0 | jdreaver |
| eventful-memory | 8 | 2.0 | 1 | In-memory implementations for eventful | (database, eventsourcing, library, mit) | 2017-07-31 | 0.2.0 | jdreaver |
| eventful-postgresql | 7 | 2.0 | 1 | Postgres implementations for eventful | (database, eventsourcing, library, mit, postgresql) | 2017-07-31 | 0.2.0 | jdreaver |
| eventful-sql-common | 8 | 2.0 | 2 | Common library for SQL event stores | (database, eventsourcing, library, mit) | 2017-07-31 | 0.2.0 | jdreaver |
| eventful-sqlite | 6 | 0.0 | 1 | SQLite implementations for eventful | (database, eventsourcing, library, mit, sqlite) | 2017-07-31 | 0.2.0 | jdreaver |
| eventful-test-helpers | 14 | 0.0 | 1 | Common module used for eventful tests | (database, eventsourcing, library, mit) | 2017-07-31 | 0.2.0 | jdreaver |
| eventsourced | 5 | 0.0 | 0 | Server-Sent Events the UNIX way | (library, mit, network, program) | 2016-05-15 | 1.1.1.0 | richardTowers |
| evm-opcodes | 11 | 2.0 | 0 | Opcode types for Ethereum Virtual Machine (EVM) | (ethereum, finance, library, mit, network) | 2024-10-28 | 0.2.0 | sshine |
| evoke | 9 | 0.0 | 0 | A GHC plugin to derive instances. | (library, mit, plugin) | 2023-01-26 | 0.2023.1.26 | fozworth |
| exact-pi | 23 | 0.0 | 4 | Exact rational multiples of pi (and integer powers of pi) | (data, library, mit) | 2022-04-29 | 0.5.0.2 | dmcclean, Bodigrim |
| exact-real | 72 | 2.25 | 2 | Exact real arithmetic | (library, math, mit) | 2021-12-13 | 0.12.5.1 | jophish, expipiplus1 |
| execs | 1 | 0.0 | 0 | Tool to run stack exec prj-exe more easy | (library, mit, program, utils) | 2016-08-02 | 0.1.0.0 | wapxmas |
| executable-hash | 8 | 0.0 | 1 | Provides the SHA1 hash of the program executable | (library, mit, program, system) | 2017-01-04 | 0.2.0.4 | MichaelSloan, MichaelSnoyman |
| executor | 5 | 0.0 | 1 | Shell helpers | (distribution, library, mit) | 2017-08-27 | 0.0.4 | gianlucaguarini |
| exiftool | 7 | 0.0 | 0 | Haskell bindings to ExifTool | (foreign, library, mit) | 2024-04-01 | 0.2.0.5 | MartinHoppenheit |
| existential | 4 | 0.0 | 1 | Existential types with lens-like accessors. | (data, library, mit) | 2016-10-28 | 0.2.0.0 | SimonHudon, bandali |
| exotic-list-monads | 6 | 0.0 | 0 | Non-standard monads on lists and non-empty lists | (library, list, mit, monads) | 2025-07-01 | 1.2.0 | maciejpirog |
| exp-cache | 4 | 0.0 | 0 | (library, mit, program, unclassified) | 2018-10-19 | 0.1.0.2 | ChrisCoffey | |
| expat-enumerator (deprecated) | 4 | 0.0 | 1 | Enumerator-based API for Expat | (deprecated, enumerator, library, mit, parsing, text, xml) | 2010-12-05 | 0.1.0.3 | JohnMillikin |
| expiring-containers | 11 | 0.0 | 1 | Expiring containers | (containers, library, mit, time) | 2018-11-27 | 0.2.2.1 | NikitaVolkov, effectfully, vlastachu, OShev |
| explain | 1 | 0.0 | 1 | Show how expressions are parsed | (language, mit, program) | 2014-01-13 | 0.1.0.1 | JoelTaylor |
| extensible-effects | 88 | 2.25 | 12 | An Alternative to Monad Transformers | (control, effect, library, mit) | 2019-01-03 | 5.0.0.1 | BenFoppa, SvenHeyll, shergill, sickmind |
| extensible-sp | 2 | 2.0 | 1 | light-weight, extensible sums and products over types and kinds | (data, library, mit) | 2017-04-22 | 0.1.0.0 | jadaska |
| extensioneer | 3 | 0.0 | 0 | Inspect extensions in cabal and hpack files | (cli, mit, program) | 2022-04-28 | 0.1.0.0 | eyeinsky |
| extract-dependencies | 4 | 0.0 | 1 | Given a hackage package outputs the list of its dependencies. | (development, library, mit, program) | 2016-05-31 | 0.2.0.1 | yamadapc |
| ez-couch (deprecated) | 14 | 0.0 | 1 | A high level static library for working with CouchDB | (couchdb, database, deprecated, library, mit) | 2014-04-17 | 0.7.0 | NikitaVolkov |
| f-algebra-gen | 3 | 0.0 | 0 | Generate a special f-algebra combinator from any data type. | (data, library, mit) | 2019-07-19 | 0.1.0.2 | bolt12 |
| factor | 9 | 0.0 | 0 | Factoring integers and polynomials | (library, mit, number-theory, program) | 2022-06-15 | 1.6 | JoeHurd |
| fakedata-quickcheck | 3 | 0.0 | 0 | Fake a -> Gen a | (fake, fakedata, library, mit, random) | 2021-06-22 | 0.2.0 | psibi, Jappie |
| faker | 3 | 0.0 | 1 | Pure Haskell library for generating fake data | (library, mit, testing) | 2015-01-04 | 0.0.0.2 | gazay |
| faktory | 59 | 0.0 | 2 | Faktory Worker for Haskell | (library, mit, network, program) | 2025-01-08 | 1.1.3.2 | PatrickBrisbin, dukerutledge, mjgpy3, chris_martin, FreckleEngineering, OlaoluwaM |
| fast-myers-diff | 7 | 0.0 | 2 | A fast implementation of the Myers diff algorithm. | (library, mit, testing) | 2024-09-08 | 0.0.1 | Norfair |
| fast-nats | 2 | 0.0 | 1 | Natural Numbers with no overhead | (data, library, mit) | 2016-12-24 | 0.1.0.1 | mckeankylej |
| fastbayes | 3 | 0.0 | 1 | Bayesian modeling algorithms accelerated for particular model structures | (library, mit, statistics) | 2014-08-12 | 0.2.0.0 | ChadScherrer |
| fastedit | 2 | 0.0 | 1 | find nearest neighbours by edit-distance | (library, mit, text) | 2015-02-13 | 0.1.0.0 | MarkWotton |
| fay-text | 12 | 0.0 | 6 | Fay Text type represented as JavaScript strings | (data, fay, library, mit, text) | 2015-02-11 | 0.3.2.2 | AdamBergmark |
| fcd | 1 | 0.0 | 1 | A faster way to navigate directories using the command line. | (library, mit, program, utility) | 2014-10-18 | 1.0.0.0 | Neki |
| fcf-base | 2 | 0.0 | 0 | Family-of-families instances for base | (library, mit, other) | 2025-01-24 | 0.1.0.1 | lyxia |
| fcf-composite | 5 | 0.0 | 0 | Type-level computation for composite using first-class-families. | (composite, library, mit, types) | 2021-08-26 | 0.1.1.0 | locallycompact |
| fcf-family | 7 | 0.0 | 2 | Family of families: featherweight defunctionalization | (library, mit, other) | 2025-01-24 | 0.2.0.2 | lyxia |
| fcf-graphs | 1 | 0.0 | 1 | Type-level version of algebraic-graphs. | (algebra, graphs, library, mit, types) | 2021-09-07 | 0.0.1.0 | locallycompact |
| feature-flags | 4 | 0.0 | 1 | A simple library for dynamically enabling and disabling functionality. | (control, library, mit) | 2015-04-02 | 0.1.0.1 | IanDuncan |
| feature-flipper | 10 | 0.0 | 1 | A minimally obtrusive feature flag library | (library, mit, web) | 2017-08-09 | 0.2.1.2 | toddmohney |
| feature-flipper-postgres | 3 | 0.0 | 1 | A minimally obtrusive feature flag library | (library, mit, web) | 2017-08-09 | 0.1.1.1 | toddmohney |
| feed-crawl | 6 | 0.0 | 1 | Utility for fetching feeds with redirect info and HTML link detection | (library, mit, text) | 2015-03-20 | 0.1.2.0 | DanielChoi |
| fen2s | 3 | 0.0 | 1 | Converting a chess position from FEN notation to text | (game, library, mit, program) | 2015-05-13 | 1.2 | JoeHurd |
| festung | 3 | 0.0 | 0 | Remote multi-db SQLCipher server | (concurrency, library, mit, program) | 2018-06-28 | 0.9.1.2 | figo |
| ficketed | 1 | 0.0 | 1 | update statically hosted file in a push stule through socketed | (mit, program, web) | 2017-04-13 | 0.1.0.0 | sencenan |
| file-command-qq | 9 | 0.0 | 1 | Quasiquoter for system commands involving filepaths | (library, mit, system) | 2015-02-01 | 0.1.0.5 | JonathanFischoff |
| file-modules | 15 | 0.0 | 1 | Takes a Haskell source-code file and outputs its modules. | (development, library, mit, program) | 2016-08-11 | 0.1.2.4 | yamadapc |
| file-path-th | 0 | 0.0 | 0 | Template Haskell utilities for filepaths. | (library, mit, system) | 2020-04-02 | 0.1.0.0 | dfithian |
| filesystem-conduit (deprecated in favor of conduit-combinators) | 14 | 0.0 | 4 | Use system-filepath data types with conduits. (deprecated) | (conduit, data, deprecated, library, mit) | 2014-03-20 | 1.0.0.2 | MichaelSnoyman |
| filesystem-enumerator (deprecated) | 2 | 0.0 | 1 | Enumerator-based API for manipulating the filesystem. | (deprecated, enumerator, library, mit, system) | 2012-04-09 | 0.1.1 | JohnMillikin |
| filter-logger | 6 | 0.0 | 0 | Filterable request logging wai middleware. Change how data is logged and when. | (library, mit, program, web) | 2017-07-15 | 0.6.0.0 | jmc41493 |
| filters-basic | 4 | 0.0 | 1 | Allows to change the structure of the function output. | (RealFrac, data, filters, library, mit) | 2023-01-31 | 0.2.0.0 | OleksandrZhabenko |
| final-pretty-printer | 1 | 0.0 | 1 | Extensible pretty printing with semantic annotations and proportional fonts | (library, mit, text) | 2017-05-25 | 0.1.0.0 | DavidDarais, dchristiansen |
| find-conduit (deprecated in favor of pipes-files, conduit-find) | 14 | 0.0 | 1 | A file-finding conduit that allows user control over traversals. | (deprecated, library, mit, program, system) | 2015-07-11 | 0.4.4 | JohnWiegley |
| find-source-files | 2 | 0.0 | 1 | Initial project template from stack | (library, mit, test) | 2016-12-05 | 0.1.0.0 | oisdk |
| finite | 4 | 0.0 | 0 | Finite ranges via types | (library, mit, types) | 2025-06-10 | 1.5.0.0 | kleinreact |
| finite-semigroups | 1 | 0.0 | 1 | Operations and classification for finite semigroups | (library, math, mit) | 2023-10-26 | 0.1.0.0 | dakotah_lambert |
| first-class-families | 15 | 2.0 | 28 | First-class type families | (library, mit, other) | 2024-04-03 | 0.8.1.0 | lyxia |
| fix-whitespace | 18 | 0.0 | 0 | Fixes whitespace issues. | (library, mit, program, text) | 2023-08-07 | 0.1 | AndreasAbel, AndresSicardRamirez, NilsAndersDanielsson, UlfNorell, LTChen |
| fixed-point (deprecated) | 21 | 0.0 | 3 | Binary fixed-point arithmetic | (data, deprecated, game, library, math, mit, numerical) | 2011-08-27 | 0.5.0.1 | JakeMcArthur |
| fixed-point-vector (deprecated) | 3 | 0.0 | 1 | Unbox instances for the fixed-point package | (data, deprecated, game, library, math, mit, numerical) | 2011-08-27 | 0.5.0.1 | JakeMcArthur |
| fixed-point-vector-space (deprecated) | 2 | 0.0 | 1 | vector-space instances for the fixed-point package | (data, deprecated, game, library, math, mit, numerical) | 2011-08-27 | 0.5.0.1 | JakeMcArthur |
| fixed-timestep | 8 | 0.0 | 0 | Pure Haskell library to repeat an action at a specific frequency. | (library, mit, time) | 2019-03-25 | 0.2.0.1 | Solonarv |
| fixedwidth-hs | 7 | 0.0 | 1 | Quick parsing of fixed-width data formats. | (library, mit, program, text) | 2015-05-22 | 0.4.0.1 | MichaelOChurch |
| flag | 1 | 0.0 | 1 | A simple flag type. | (data, library, mit) | 2023-04-08 | 0.1.0.0 | locallycompact |
| flag-dhall-instance | 2 | 0.0 | 0 | FromDhall and ToDhall instances for flag. | (data, dhall, library, mit) | 2023-04-08 | 0.1.0.1 | locallycompact |
| flamethrower | 28 | 0.0 | 1 | A template engine for HTML | (html, library, mit, text, web) | 2014-12-05 | 0.0.5.1 | charmander |
| flashblast | 8 | 0.0 | 0 | Generate language learning flashcards from video. | (library, mit, program, unclassified) | 2020-11-18 | 0.0.9.0 | locallycompact |
| flat-mcmc | 19 | 0.0 | 1 | Painless general-purpose sampling. | (library, math, mit) | 2020-10-11 | 1.5.2 | JaredTobin |
| flatparse | 96 | 0.0 | 10 | High-performance parsing from strict bytestrings | (library, mit, parsing) | 2024-12-26 | 0.5.2.1 | AndrasKovacs |
| flexible-numeric-parsers | 0 | 0.0 | 0 | Flexible numeric parsers for real-world programming languages. | (library, mit, parsing) | 2021-08-26 | 0.1.0.0 | patrick_thomson |
| flexible-time | 8 | 0.0 | 1 | simple extension of Data.UnixTime. | (data, library, mit) | 2015-02-25 | 0.1.0.3 | tattsun |
| flip-cmd | 1 | 0.0 | 1 | e.g. `flip systemctl foo.service start` does `systemctl start foo.service` | (mit, program, simple) | 2018-02-25 | 0.1.0.0 | aiya000 |
| flow | 40 | 2.5 | 10 | Write more understandable Haskell. | (combinators, functions, library, mit, utility) | 2025-05-22 | 2.0.0.9 | fozworth |
| flow-er | 6 | 0.0 | 1 | More directional operators | (combinators, functions, library, mit, utility) | 2016-06-13 | 1.0.3 | expede |
| flowdock | 6 | 0.0 | 1 | Flowdock client library for Haskell | (library, mit, web) | 2015-06-25 | 0.3.0.1 | IanDuncan |
| flowdock-api | 3 | 0.0 | 1 | API integration with Flowdock. | (library, mit, network, program) | 2013-11-12 | 0.1.0.0 | gabemc |
| flp | 1 | 0.0 | 0 | A layout spec language for memory managers implemented in Rust. | (compiler, library, mit, program) | 2020-01-27 | 0.1.0.0 | KarlCronburg |
| fltkhs | 164 | 2.0 | 3 | FLTK bindings | (graphics, gui, library, mit, program, ui, user-interfaces) | 2020-02-21 | 0.8.0.3 | deech |
| fltkhs-demos (deprecated) | 5 | 0.0 | 1 | FLTKHS demos. Please scroll to the bottom for more information. | (deprecated, graphics, mit, program, ui) | 2016-02-24 | 0.0.0.7 | deech |
| fltkhs-fluid-demos (deprecated) | 1 | 0.0 | 1 | Fltkhs Fluid Demos | (deprecated, graphics, mit, program, ui) | 2016-02-24 | 0.0.0.6 | deech |
| fltkhs-fluid-examples (deprecated in favor of fltkhs-fluid-demos) | 4 | 0.0 | 1 | Fltkhs Fluid Examples | (deprecated, graphics, mit, program, ui) | 2016-01-15 | 0.0.0.3 | deech |
| fltkhs-hello-world | 0 | 0.0 | 1 | Fltkhs template project | (graphics, mit, program, ui) | 2016-01-15 | 0.0.0.2 | deech |
| fluidsynth | 9 | 0.0 | 1 | Haskell bindings to FluidSynth | (library, mit, sound) | 2013-01-29 | 0.2.0.0 | CorbinSimpson |
| focus | 23 | 2.0 | 17 | A general abstraction for manipulating elements of container data structures | (containers, data, library, mit) | 2023-10-16 | 1.0.3.2 | NikitaVolkov |
| foldable-ix | 5 | 0.0 | 7 | Functions to find out the indices of the elements in the Foldable structures | (data, library, mit) | 2023-01-28 | 0.3.0.0 | OleksandrZhabenko |
| foldl-exceptions | 4 | 2.0 | 0 | Exception handling with FoldM | (control, library, mit) | 2023-01-11 | 1.0.0.2 | chris_martin, Monoid_Mary |
| foldl-incremental | 7 | 2.0 | 1 | incremental folds | (control, library, mit, statistics) | 2015-02-23 | 0.2.0.0 | tonyday |
| folds-common | 5 | 0.0 | 1 | A playground of common folds for folds | (data, library, mit) | 2014-12-30 | 0.2.0.0 | jozefg |
| foma | 4 | 0.0 | 1 | Simple Haskell bindings for Foma. | (language, library, mit) | 2021-01-28 | 0.1.2.0 | joom |
| fontconfig-pure | 18 | 0.0 | 1 | Queries your system (Linux/BSD/etc) font database. | (library, mit, program, text) | 2025-02-03 | 0.5.1.0 | alcinnz |
| formal | 1 | 0.0 | 1 | A statically typed, functional programming language | (compiler, mit, program) | 2012-11-12 | 0.1.0 | AndrewStein |
| format | 1 | 0.0 | 1 | Rendering from and scanning to format strings | (library, mit, text) | 2012-05-23 | 0.1.0.0 | ScottLawrence |
| format-numbers | 2 | 0.0 | 2 | Various number formatting functions | (library, mit, web) | 2020-02-13 | 0.1.0.1 | AlexanderThiemann |
| format-status | 5 | 0.0 | 1 | A utility for writing the date to dzen2. | (mit, program, unclassified) | 2014-06-06 | 0.2.0.0 | georgerogers42 |
| forml | 10 | 0.0 | 1 | A statically typed, functional programming language | (compiler, mit, program) | 2013-01-14 | 0.2 | AndrewStein |
| formura | 2 | 0.0 | 0 | Formura is a simple language to describe stencil computation. | (language, library, mit, program) | 2015-12-04 | 1.0 | TakayukiMuranushi |
| fortytwo | 27 | 0.0 | 2 | Interactive terminal prompt | (library, mit, prompt) | 2023-08-26 | 2.0.0 | gianlucaguarini |
| fpe | 2 | 0.0 | 0 | Format-preserving encryption. | (cryptography, library, mit) | 2023-07-24 | 0.1.2 | galen |
| fractionizer | 23 | 0.0 | 0 | Numbers in the range [0.005, 1] as a sum of 2, 3, 4 or 5 unit fractions of special types. | (#AncientEgypt, language, library, math, mit, music, sound) | 2023-10-19 | 0.17.0.0 | OleksandrZhabenko |
| freckle-app | 108 | 0.0 | 0 | Haskell application toolkit used at Freckle | (library, mit, utils) | 2025-06-05 | 1.23.3.0 | PatrickBrisbin, dukerutledge, mjgpy3, chris_martin, FreckleEngineering, OlaoluwaM |
| freckle-ecs | 1 | 0.0 | 1 | Small utility for Amazon Elastic Container Service | (library, mit, prelude) | 2025-01-22 | 0.0.0.0 | PatrickBrisbin, dukerutledge, mjgpy3, chris_martin, FreckleEngineering, OlaoluwaM |
| freckle-env | 7 | 0.0 | 3 | Some extensions to the envparse library | (environment, library, mit, system) | 2025-05-07 | 0.0.1.2 | PatrickBrisbin, dukerutledge, mjgpy3, chris_martin, FreckleEngineering, OlaoluwaM |
| freckle-exception | 1 | 0.0 | 2 | Some extensions to the annotated-exception library | (exceptions, library, mit) | 2024-08-13 | 0.0.0.0 | PatrickBrisbin, dukerutledge, mjgpy3, chris_martin, FreckleEngineering, OlaoluwaM |
| freckle-http | 5 | 0.0 | 2 | Toolkit for making HTTP requests | (http, library, mit) | 2025-06-26 | 0.2.0.0 | PatrickBrisbin, dukerutledge, mjgpy3, chris_martin, FreckleEngineering, OlaoluwaM |
| freckle-kafka | 4 | 0.0 | 0 | Some extensions to the hw-kafka-client library | (database, library, mit) | 2025-05-14 | 0.0.0.3 | PatrickBrisbin, dukerutledge, mjgpy3, chris_martin, FreckleEngineering, OlaoluwaM |
| freckle-memcached | 1 | 0.0 | 1 | .. | (database, library, mit) | 2024-08-09 | 0.0.0.2 | PatrickBrisbin, dukerutledge, mjgpy3, chris_martin, FreckleEngineering, OlaoluwaM |
| freckle-otel | 5 | 0.0 | 2 | ... | (library, metrics, mit, monitoring, observability, opentelemetry, telemetry) | 2024-08-09 | 0.0.0.2 | PatrickBrisbin, dukerutledge, mjgpy3, chris_martin, FreckleEngineering, OlaoluwaM |
| freckle-prelude | 1 | 0.0 | 3 | Standard prelude for Freckle applications | (library, mit, prelude) | 2024-08-13 | 0.0.1.1 | PatrickBrisbin, dukerutledge, mjgpy3, chris_martin, FreckleEngineering, OlaoluwaM |
| freckle-stats | 2 | 0.0 | 1 | An intentionally-leaky StatsD interface to Datadog | (library, mit, prelude) | 2025-01-22 | 0.0.0.0 | PatrickBrisbin, dukerutledge, mjgpy3, chris_martin, FreckleEngineering, OlaoluwaM |
| freddy | 3 | 0.0 | 1 | RabbitMQ Messaging API supporting request-response | (library, mit, network) | 2016-10-08 | 0.1.2.0 | indrek |
| free-concurrent | 3 | 0.0 | 1 | Free monads suitable for concurrent computation | (concurrency, library, mit) | 2015-11-20 | 0.1.0.1 | srijs |
| free-http | 12 | 0.0 | 1 | An HTTP Client based on Free Monads. | (library, mit, network) | 2015-12-30 | 0.2.0 | aaronlevin |
| free-listt | 6 | 0.0 | 0 | Lawful list and set monad transformers based on free monads | (control, library, mit) | 2024-01-03 | 0.1.0.1 | turion |
| freer-simple-catching | 1 | 0.0 | 1 | Checked runtime exceptions with freer-simple | (control, library, mit) | 2018-11-12 | 0.1.0.0 | benweitzman |
| freer-simple-http | 1 | 0.0 | 1 | Make HTTP requests with freer-simple! | (control, http, library, mit, web) | 2018-11-12 | 0.1.0.0 | benweitzman |
| freer-simple-profiling | 1 | 0.0 | 1 | Automatic profling of freer-simple programs | (benchmarking, control, library, mit, profiling) | 2018-11-12 | 0.1.0.0 | benweitzman |
| freer-simple-random | 1 | 0.0 | 1 | Random number generators using freer-simple | (control, library, mit, random) | 2018-11-12 | 0.1.0.0 | benweitzman |
| freer-simple-time | 1 | 0.0 | 1 | freer-simple interface to IO based time functions | (control, library, mit, time) | 2018-11-12 | 0.1.0.0 | benweitzman |
| fregel | 1 | 0.0 | 0 | A functional DSL for vertex-centric large-scale graph processing | (language, mit, program) | 2023-07-20 | 1.2.0 | KentoEmoto |
| freq | 8 | 0.0 | 0 | Are you ready to get freaky? | (data, library, mit, text) | 2019-04-29 | 0.1.1 | chessai |
| fresh | 4 | 0.0 | 1 | Introduce fresh variables into Haskell source code | (language, library, mit) | 2012-01-03 | 0.1.1 | DavidLazar |
| from-env | 5 | 0.0 | 0 | Provides a generic way to construct values from environment variables. | (configuration, library, mit) | 2023-08-17 | 0.1.3.0 | |
| fromhtml | 13 | 0.0 | 0 | Simple adapter for transformation of HTML to other formats | (library, mit, program, text) | 2020-01-14 | 1.0.4 | MarekSuchanek |
| frontmatter | 4 | 0.0 | 4 | Parses frontmatter as used in Jekyll markdown files. | (data, library, mit) | 2015-12-20 | 0.1.0.2 | yamadapc |
| fsh-csv | 2 | 0.0 | 1 | csv parser for fsh | (distribution, library, mit) | 2017-04-27 | 0.2.0.0 | iostreamer |
| fsnotify-conduit | 2 | 0.0 | 1 | Get filesystem notifications as a stream of events | (conduit, data, library, mit) | 2018-06-04 | 0.1.1.1 | MichaelSnoyman |
| fsutils | 5 | 0.0 | 1 | File system utilities for Haskell that are missing from built in libraries. | (library, mit, system) | 2012-11-06 | 0.1.2 | AnthonyGrimes |
| funcons-intgen | 1 | 0.0 | 0 | Generate Funcons interpreters from CBS description files | (compilers, mit, program) | 2018-11-26 | 0.2.0.1 | ltvanbinsbergen |
| funcons-simple | 3 | 0.0 | 1 | A modular interpreter for executing SIMPLE funcons | (compilers-interpreters, mit, program) | 2018-12-14 | 0.1.0.7 | ltvanbinsbergen |
| funcons-tools | 15 | 2.0 | 0 | A modular interpreter for executing funcons | (compilers-interpreters, library, mit, program) | 2023-04-17 | 0.2.0.15 | ltvanbinsbergen |
| funcons-values | 9 | 0.0 | 1 | Library providing values and operations on values in a fixed universe. | (compilers-interpreters, library, mit) | 2021-06-26 | 0.1.0.9 | ltvanbinsbergen |
| functor-infix | 12 | 2.0 | 5 | Infix operators for mapping over compositions of functors. Lots of them. | (data, library, mit) | 2017-04-23 | 0.0.5 | vi |
| functora-witch | 1 | 0.0 | 0 | Convert values from one type into another. | (data, library, mit) | 2024-12-09 | 1.2.0.2 | functora |
| funflow | 18 | 2.0 | 2 | Workflows with arrows | (control, library, mit, program) | 2020-03-09 | 1.6.0 | nclarke |
| funnyprint | 11 | 0.0 | 1 | funnyPrint function to colorize GHCi output. | (library, mit, text) | 2016-06-06 | 0.0.5 | netsu |
| futures | 0 | 0.0 | 1 | Simple and fast implementation of Future | (concurrency, futures, library, mit) | 2018-08-14 | 0.1 | NikitaVolkov |
| fuzzy | 1 | 0.0 | 6 | Filters a list based on a fuzzy string search. | (library, mit, text) | 2024-01-05 | 0.1.1.0 | cattheory |
| fuzzy-parse | 4 | 0.0 | 0 | Tools for processing unstructured text data | (library, mit, parsing, text) | 2020-07-07 | 0.1.2.0 | voidlizard |
| fuzzy-time | 13 | 0.0 | 3 | (library, mit, time) | 2025-07-15 | 0.3.0.1 | Norfair | |
| fuzzy-time-gen | 8 | 0.0 | 1 | (library, mit, time) | 2024-01-18 | 0.3.0.0 | Norfair | |
| fuzzy-timings | 3 | 0.0 | 1 | Translates high-level definitions of "fuzzily" scheduled objects (e.g. play this commercial 10 times per hour between 9:00-13:00) to a list of accurately scheduled objects using glpk-hs. | (library, mit, scheduling) | 2014-04-01 | 0.0.1 | TeroLaitinen |
| fuzzyfind | 6 | 0.0 | 0 | Fuzzy text matching | (library, mit, program, text) | 2024-06-27 | 3.0.2 | runar |
| fx | 4 | 0.0 | 1 | Horizontally composable effects | (library, mit, unclassified) | 2018-01-28 | 0.10.1 | NikitaVolkov |
| g-npm | 5 | 0.0 | 1 | Generate Gentoo ebuilds from NodeJS/npm packages. | (mit, program, tools) | 2013-08-01 | 0.1.0 | JesusRivero |
| g4ip | 1 | 0.0 | 1 | A theorem prover for propositional logic that uses G4ip | (library, logic, mit) | 2017-03-20 | 0.1.0.0 | cacay |
| g4ip-prover | 5 | 0.0 | 1 | Theorem prover for intuitionistic propositional logic using G4ip | (library, logic, mit, program) | 2018-12-28 | 2.0.0.0 | klntsky |
| galois-fft | 2 | 0.0 | 1 | FFTs over finite fields | (cryptography, library, mit) | 2019-11-27 | 0.1.0 | sdiehl |
| galois-field | 15 | 0.0 | 7 | Galois field library | (cryptography, library, mit) | 2020-04-13 | 1.0.2 | sdiehl |
| game-of-life | 6 | 0.0 | 1 | Conway's Game of Life | (mit, program, unclassified) | 2016-10-21 | 0.1.0.5 | marcusbuffett |
| gdax | 3 | 0.0 | 0 | API Wrapping for Coinbase's GDAX exchange. | (library, mit, program, web) | 2017-10-04 | 0.6.0.0 | andrewrademacher |
| gelatin | 10 | 0.0 | 4 | A graphics description language. | (graphics, library, mit, program) | 2017-11-03 | 0.1.0.1 | SchellScivally |
| gelatin-gl | 1 | 0.0 | 2 | OpenGL rendering routines for the gelatin-picture graphics EDSL. | (graphics, library, mit, program) | 2017-10-27 | 0.1.0.0 | SchellScivally |
| gelatin-sdl2 | 2 | 0.0 | 0 | An SDL2 backend for the gelatin renderer. | (graphics, library, mit, program) | 2017-10-30 | 0.1.1.0 | SchellScivally |
| genders | 1 | 0.0 | 1 | Bindings to libgenders. | (database, library, mit) | 2015-07-03 | 0.1.0.1 | MathieuBoespflug |
| general-games | 12 | 0.0 | 1 | Library supporting simulation of a number of games | (game, library, mit, poker) | 2018-02-11 | 1.1.1 | cgorski |
| generic-arbitrary | 14 | 2.25 | 10 | Generic implementation for QuickCheck's Arbitrary | (generic, library, mit) | 2025-04-16 | 1.0.1.2 | AlekseyUymanov, mniip, typeable, iko |
| generic-church | 11 | 2.0 | 1 | Automatically convert Generic instances to and from church representations | (generics, library, mit) | 2014-09-09 | 0.3.0.0 | jozefg |
| generic-data | 73 | 2.25 | 18 | Deriving instances with GHC.Generics and related utilities | (generics, library, mit) | 2024-12-07 | 1.1.0.2 | AndreasAbel, lyxia |
| generic-data-asserts (deprecated in favor of generic-type-asserts) | 5 | 0.0 | 1 | Structural assertions on generic data representations. | (data, deprecated, generics, library, mit) | 2024-04-05 | 0.2.0 | raehik |
| generic-data-functions | 12 | 0.0 | 2 | Familiar functions lifted to generic data types | (data, generics, library, mit) | 2024-06-15 | 0.6.0 | raehik |
| generic-data-surgery | 3 | 0.0 | 1 | Surgery for generic data types | (library, mit, other) | 2020-06-21 | 0.3.0.0 | lyxia |
| generic-enum | 6 | 0.0 | 1 | An Enum class that fixes some deficiences with Prelude's Enum | (library, mit, unclassified) | 2017-03-10 | 0.1.1.0 | clinton |
| generic-enumeration | 5 | 2.0 | 0 | Generically derived enumerations. | (library, mit, unclassified) | 2025-06-02 | 0.1.0.4 | rickowens |
| generic-env | 3 | 0.0 | 0 | Generic Environment Generator | (development, library, mit) | 2019-04-30 | 0.1.1.0 | yigitozkavci |
| generic-functor | 8 | 0.0 | 0 | Deriving generalized functors with GHC.Generics | (generics, library, mit) | 2022-10-21 | 1.1.0.0 | lyxia |
| generic-lucid-scaffold (deprecated in favor of webpage) | 1 | 0.0 | 1 | General-purpose web page scaffold for Lucid. | (deprecated, library, mit, unclassified) | 2014-12-09 | 0.0.1 | athanclark |
| generic-match | 13 | 0.0 | 0 | First class pattern matching | (data, library, mit) | 2021-08-16 | 0.3.0.1 | sgschlesinger |
| generic-pretty | 2 | 0.0 | 1 | Pretty printing for Generic value | (library, mit, text) | 2015-04-05 | 0.1.0 | HideyukiTanaka |
| generic-random | 19 | 2.25 | 10 | Generic random generators for QuickCheck | (generics, library, mit, testing) | 2021-11-23 | 1.5.0.1 | lyxia |
| generic-type-asserts | 0 | 0.0 | 1 | Structural assertions on generic type representations. | (data, generics, library, mit, type) | 2024-04-10 | 0.3.0 | raehik |
| generic-type-functions | 1 | 0.0 | 2 | Familiar functions lifted to type-level functions on generic types | (data, generics, library, mit, types) | 2024-04-10 | 0.1.0 | raehik |
| generics-mrsop | 8 | 2.0 | 3 | Generic Programming with Mutually Recursive Sums of Products. | (generics, library, mit) | 2019-10-14 | 2.3.0 | vcmiraldo |
| genvalidity | 107 | 0.0 | 43 | Testing utilities for the validity library | (library, mit, testing) | 2024-07-18 | 1.1.1.0 | Norfair |
| genvalidity-aeson | 9 | 0.0 | 1 | GenValidity support for aeson | (library, mit, testing) | 2022-04-26 | 1.0.0.1 | Norfair |
| genvalidity-appendful | 2 | 0.0 | 0 | (library, mit, unclassified) | 2022-11-06 | 0.1.0.0 | Norfair | |
| genvalidity-bytestring | 20 | 0.0 | 2 | GenValidity support for ByteString | (library, mit, testing) | 2022-08-30 | 1.0.0.1 | Norfair |
| genvalidity-case-insensitive | 4 | 0.0 | 0 | GenValidity support for case-insensitive | (library, mit, testing) | 2022-08-30 | 0.0.0.1 | Norfair |
| genvalidity-containers | 22 | 0.0 | 8 | GenValidity support for containers | (library, mit, testing) | 2024-09-19 | 1.0.0.2 | Norfair |
| genvalidity-criterion | 4 | 0.0 | 0 | Criterion benchmarks for generators | (library, mit, validity) | 2022-08-30 | 1.1.0.0 | Norfair |
| genvalidity-dirforest | 1 | 0.0 | 0 | Generators for typed directory forests | (library, mit, unclassified) | 2023-02-25 | 0.1.0.1 | Norfair |
| genvalidity-dlist | 1 | 0.0 | 0 | GenValidity support for dlist | (library, mit, testing) | 2024-08-06 | 0.1.0.1 | Norfair |
| genvalidity-hspec | 43 | 0.0 | 8 | Standard spec's for GenValidity instances | (library, mit, testing) | 2025-05-09 | 1.0.0.4 | Norfair |
| genvalidity-hspec-aeson | 17 | 0.0 | 2 | Standard spec's for aeson-related instances | (library, mit, testing) | 2021-11-20 | 1.0.0.0 | Norfair |
| genvalidity-hspec-binary | 9 | 0.0 | 1 | Standard spec's for binary-related Instances | (library, mit, testing) | 2021-11-20 | 1.0.0.0 | Norfair |
| genvalidity-hspec-cereal | 11 | 0.0 | 1 | Standard spec's for cereal-related instances | (library, mit, testing) | 2021-11-20 | 1.0.0.0 | Norfair |
| genvalidity-hspec-hashable | 14 | 0.0 | 1 | Standard spec's for Hashable instances | (library, mit, testing) | 2023-10-04 | 1.0.0.1 | Norfair |
| genvalidity-hspec-optics | 4 | 0.0 | 1 | Standard spec's for lens | (library, mit, testing) | 2021-11-20 | 1.0.0.0 | Norfair |
| genvalidity-hspec-persistent | 4 | 0.0 | 0 | Standard spec's for persistent-related instances | (library, mit, testing) | 2021-11-20 | 1.0.0.0 | Norfair |
| genvalidity-mergeful | 5 | 0.0 | 0 | (library, mit, unclassified) | 2023-10-13 | 0.3.0.1 | Norfair | |
| genvalidity-mergeless | 2 | 0.0 | 1 | (library, mit, unclassified) | 2021-11-21 | 0.3.0.0 | Norfair | |
| genvalidity-network-uri | 2 | 0.0 | 0 | GenValidity support for URI | (library, mit, testing) | 2022-07-22 | 0.0.0.0 | Norfair |
| genvalidity-path | 14 | 0.0 | 2 | GenValidity support for Path | (library, mit, testing) | 2022-08-30 | 1.0.0.1 | Norfair |
| genvalidity-persistent | 4 | 0.0 | 0 | GenValidity support for Persistent | (library, mit, testing) | 2023-10-04 | 1.0.0.2 | Norfair |
| genvalidity-property | 18 | 0.0 | 3 | Standard properties for functions on `Validity` types | (library, mit, testing) | 2021-11-20 | 1.0.0.0 | Norfair |
| genvalidity-scientific | 6 | 0.0 | 1 | GenValidity support for Scientific | (library, mit, testing) | 2021-11-20 | 1.0.0.0 | Norfair |
| genvalidity-sydtest | 3 | 2.0 | 4 | Standard properties for functions on `Validity` types for the sydtest framework | (library, mit, testing) | 2021-11-20 | 1.0.0.0 | Norfair |
| genvalidity-sydtest-aeson | 1 | 0.0 | 0 | Standard spec's for aeson-related instances in sydtest | (library, mit, testing) | 2021-11-20 | 1.0.0.0 | Norfair |
| genvalidity-sydtest-hashable | 2 | 0.0 | 0 | Standard spec's for Hashable instances for sydtest | (library, mit, testing) | 2023-10-04 | 1.0.0.1 | Norfair |
| genvalidity-sydtest-lens | 1 | 0.0 | 0 | Standard spec's for lens for sydtest | (library, mit, testing) | 2021-11-20 | 1.0.0.0 | Norfair |
| genvalidity-sydtest-persistent | 4 | 0.0 | 0 | Standard spec's for persistent-related instances for sydtest | (library, mit, testing) | 2021-11-20 | 1.0.0.0 | Norfair |
| genvalidity-text | 23 | 0.0 | 4 | GenValidity support for Text | (library, mit, testing) | 2022-03-17 | 1.0.0.1 | Norfair |
| genvalidity-time | 20 | 0.0 | 6 | GenValidity support for time | (library, mit, testing) | 2022-08-30 | 1.0.0.1 | Norfair |
| genvalidity-typed-uuid | 4 | 0.0 | 0 | Generators for Phantom-Typed version of UUID | (data, library, mit) | 2021-11-24 | 0.1.0.1 | Norfair |
| genvalidity-unordered-containers | 30 | 0.0 | 1 | GenValidity support for unordered-containers | (library, mit, testing) | 2023-10-04 | 1.0.0.1 | Norfair |
| genvalidity-uuid | 14 | 0.0 | 2 | GenValidity support for UUID | (library, mit, testing) | 2022-08-30 | 1.0.0.1 | Norfair |
| genvalidity-vector | 11 | 0.0 | 1 | GenValidity support for vector | (library, mit, testing) | 2021-11-20 | 1.0.0.0 | Norfair |
| geo-resolver | 4 | 0.0 | 1 | Performs geo location lookups and parses the results | (library, mit, web) | 2015-10-09 | 0.1.0.1 | JanGreve |
| geos | 10 | 0.0 | 1 | Bindings for GEOS. | (geometry, library, mit) | 2021-09-05 | 0.5.0 | petefrance |
| getflag | 1 | 0.0 | 1 | Command-line parser. | (library, mit, parsing) | 2010-05-22 | 1.0 | TroelsHenriksen |
| ghc-core-smallstep | 2 | 0.0 | 1 | A small-step semantics for Core | (language, library, mit) | 2018-04-10 | 0.1.0.1 | JoachimBreitner |
| ghc-hie | 3 | 0.0 | 0 | HIE-file parsing machinery that supports multiple versions of GHC | (development, library, mit) | 2025-06-09 | 0.0.2 | SimonHengel |
| ghc-justdoit | 5 | 0.0 | 1 | A magic typeclass that just does it | (language, library, mit) | 2022-08-01 | 0.1.0.2 | JoachimBreitner |
| ghc-options | 4 | 0.0 | 1 | Utilities for extracting GHC options needed to compile a given Haskell target. | (language, library, mit, program) | 2015-12-16 | 0.2.0.0 | ranjitjhala |
| ghc-parser | 23 | 0.0 | 2 | Haskell source parser from GHC. | (language, library, mit) | 2024-11-03 | 0.2.7.0 | gibiansky, VaibhavSagar |
| ghc-prof-flamegraph | 8 | 0.0 | 1 | Generates flamegraphs from GHC .prof files. | (mit, program, testing) | 2021-08-17 | 0.2.0.1 | FrancescoMazzoli |
| ghc-proofs | 3 | 0.0 | 1 | GHC plugin to prove program equations by simplification | (compiler-plugin, formal-methods, library, mit) | 2017-09-05 | 0.1.1 | JoachimBreitner |
| ghc-session | 13 | 0.0 | 0 | Simplified GHC API | (language, library, mit, program) | 2016-02-18 | 0.1.2.1 | danilo2, PiotrMlodawski, iamrecursion |
| ghc-simple | 17 | 0.0 | 1 | Simplified interface to the GHC API. | (development, library, mit) | 2016-06-30 | 0.4 | AntonEkblad |
| ghci-lib | 2 | 0.0 | 2 | A library for interactively evaluating Haskell code. | (language, library, mit) | 2014-02-16 | 0.1.0.0 | gibiansky |
| ghci-pretty | 1 | 0.0 | 2 | colored pretty-printing within ghci | (development, library, mit) | 2014-11-13 | 0.0.2 | larsk, kindaro |
| ghcjs-ajax | 2 | 0.0 | 1 | Crossbrowser AJAX Bindings for GHCJS | (library, mit, web) | 2016-07-26 | 0.2.0.0 | AlexanderThiemann |
| ghcjs-base | 30 | 2.0 | 49 | base library for GHCJS | (mit, web) | 2025-06-30 | 0.8.0.4 | HamishMackenzie, LuiteStegeman |
| ghcjs-codemirror | 2 | 0.0 | 2 | Installs CodeMirror JavaScript files | (library, mit, web) | 2018-07-01 | 0.0.0.2 | HamishMackenzie |
| ghcjs-dom | 71 | 2.25 | 23 | DOM library that supports both GHCJS and GHC | (library, mit, web) | 2024-05-23 | 0.9.9.2 | HamishMackenzie |
| ghcjs-dom-hello | 13 | 0.0 | 1 | GHCJS DOM Hello World, an example package | (library, mit, program, web) | 2025-04-24 | 6.0.0.1 | HamishMackenzie |
| ghcjs-dom-javascript | 7 | 0.0 | 1 | DOM library using JSFFI and GHCJS | (mit, web) | 2024-09-13 | 0.9.9.3 | HamishMackenzie |
| ghcjs-dom-jsaddle | 21 | 0.0 | 1 | DOM library that supports both GHCJS and GHC using jsaddle | (library, mit, web) | 2024-04-08 | 0.9.9.0 | HamishMackenzie |
| ghcjs-dom-jsffi | 31 | 0.0 | 2 | DOM library using JSFFI and GHCJS | (mit, web) | 2024-04-08 | 0.9.9.0 | HamishMackenzie |
| ghcjs-dom-webkit | 1 | 0.0 | 2 | DOM library that supports both GHCJS and WebKitGTK | (library, mit, web) | 2016-06-22 | 0.3.1.0 | HamishMackenzie |
| ghcjs-hplay | 19 | 0.0 | 1 | Client-side web EDSL for transient nodes running in the web browser | (library, mit, web) | 2017-03-05 | 0.4.2 | AlbertoCorona, geraldus |
| ghcjs-perch | 10 | 2.0 | 2 | GHCJS version of Perch library. | (library, mit, web) | 2018-12-04 | 0.3.3.3 | geraldus |
| ghcjs-vdom | 1 | 0.0 | 1 | Virtual-dom bindings for GHCJS | (library, mit, web) | 2017-01-02 | 0.2.0.0 | TobiasDammers |
| ghcjs-websockets (deprecated) | 19 | 0.0 | 1 | Deprecated: use ghcjs-base's native websockets | (deprecated, library, mit, web) | 2015-08-08 | 0.3.0.5 | jle |
| giak | 3 | 0.0 | 1 | Fuzzy finder for cabal executables | (development, mit, program) | 2016-07-12 | 0.1.0.1 | nmattia |
| gibberish | 1 | 0.0 | 0 | Generate easy-to-remember, hard-to-guess passwords | (cryptography, library, mit, program) | 2024-03-26 | 3.0.0.0 | sgillespie |
| gimlh | 7 | 0.0 | 2 | Haskell parser for GIML | (language, library, mit) | 2015-04-16 | 0.1.3.0 | gazay |
| ginger | 82 | 0.0 | 3 | An implementation of the Jinja2 template language in Haskell | (library, mit, text) | 2025-05-06 | 0.10.6.0 | TobiasDammers, TravisCardwell |
| ginger2 | 5 | 0.0 | 0 | Jinja templates for Haskell | (language, library, mit, program, templates) | 2025-06-05 | 2.2.0.0 | TobiasDammers |
| ginsu (deprecated) | 10 | 0.0 | 1 | Ginsu Gale Client | (console, deprecated, mit, network, program) | 2016-08-12 | 0.8.2.2 | DylanSimon |
| gipeda | 25 | 0.0 | 1 | Git Performance Dashboard | (development, mit, program) | 2017-04-16 | 0.3.3.2 | JoachimBreitner |
| gitdo | 1 | 0.0 | 1 | Create Github issues out of TODO comments in code | (mit, program, unclassified) | 2015-02-19 | 0.1.0.0 | MatthewHall |
| github-app-token | 11 | 0.0 | 0 | Generate an installation access token for a GitHub App | (http, library, mit) | 2024-09-26 | 0.0.3.0 | PatrickBrisbin, dukerutledge, mjgpy3, chris_martin, FreckleEngineering, OlaoluwaM |
| github-release | 71 | 0.0 | 0 | Upload files to GitHub releases. | (library, mit, program, utility) | 2025-05-22 | 2.0.0.14 | fozworth |
| github-webhook-handler | 10 | 0.0 | 1 | GitHub WebHook Handler | (github, library, mit) | 2016-05-25 | 0.0.8 | wereHamster |
| github-webhook-handler-snap | 11 | 0.0 | 1 | GitHub WebHook Handler implementation for Snap | (github, library, mit) | 2016-10-29 | 0.0.7 | wereHamster |
| github-webhooks | 11 | 2.25 | 1 | Aeson instances for GitHub webhook payloads. | (github, library, mit) | 2025-03-26 | 0.18.0 | KyleVanBerendonck, onrock_eng, cuedo_com_au |
| github-workflow-commands | 1 | 0.0 | 0 | GitHub Actions workflow commands | (github, library, mit) | 2024-10-04 | 0.0.1.0 | PatrickBrisbin, dukerutledge, mjgpy3, chris_martin, FreckleEngineering, OlaoluwaM |
| gitlib | 44 | 2.0 | 8 | API library for working with Git repositories | (ffi, library, mit) | 2021-03-21 | 3.1.3 | JohnWiegley |
| gitlib-cmdline | 21 | 0.0 | 1 | Gitlib repository backend that uses the git command-line tool. | (git, library, mit) | 2015-05-21 | 3.1.0.2 | JohnWiegley |
| gitlib-cross (deprecated) | 13 | 0.0 | 1 | Run tests between repositories | (deprecated, ffi, library, mit) | 2014-06-19 | 3.1.0 | JohnWiegley |
| gitlib-libgit2 | 34 | 0.0 | 3 | Libgit2 backend for gitlib | (ffi, library, mit) | 2019-01-31 | 3.1.2.1 | JohnWiegley |
| gitlib-s3 | 25 | 0.0 | 1 | Gitlib repository backend for storing Git objects in Amazon S3 | (git, library, mit) | 2015-01-07 | 3.1.0.1 | JohnWiegley |
| gitlib-sample (deprecated) | 29 | 0.0 | 1 | Sample backend for gitlib showing the basic structure for any backend. | (deprecated, ffi, library, mit) | 2014-06-19 | 3.1.0 | JohnWiegley |
| gitlib-test | 38 | 0.0 | 1 | Test library for confirming gitlib backend compliance | (ffi, library, mit) | 2019-05-01 | 3.1.2 | JohnWiegley |
| gitlib-utils (deprecated in favor of gitlib) | 3 | 0.0 | 4 | Generic utility functions for working with Git repositories | (deprecated, ffi, library, mit) | 2013-07-04 | 1.2.0 | JohnWiegley |
| gjk | 2 | 2.0 | 1 | Gilbert-Johnson-Keerthi (GJK) collision detection algorithm | (graphics, library, mit) | 2020-03-24 | 0.0.0.2 | zaidan |
| gl3w | 1 | 0.0 | 0 | Haskell bindings for the gl3w library. | (graphics, library, mit) | 2021-04-10 | 0.1.0 | sighingnow |
| gloss | 95 | 2.75 | 36 | Painless 2D vector graphics, animations and simulations. | (graphics, library, mit) | 2022-03-20 | 1.13.2.2 | BenLippmeier, ScottWalck, TrevorMcDonell |
| gloss-algorithms | 12 | 0.0 | 1 | Data structures and algorithms for working with 2D graphics. | (graphics, library, mit) | 2022-03-20 | 1.13.0.3 | BenLippmeier, ScottWalck, TrevorMcDonell |
| gloss-examples | 73 | 0.0 | 1 | Examples using the gloss library | (graphics, mit, program) | 2022-03-20 | 1.13.0.4 | BenLippmeier, ScottWalck, TrevorMcDonell |
| gloss-export | 19 | 0.0 | 0 | Export Gloss pictures to png, bmp, tga, tiff, gif and juicy-pixels-image | (graphics, library, mit, program) | 2021-07-25 | 0.1.0.4 | timoa |
| gloss-raster | 90 | 0.0 | 1 | Parallel rendering of raster images. | (graphics, library, mit) | 2020-07-18 | 1.13.1.2 | BenLippmeier, ScottWalck, TrevorMcDonell |
| gloss-rendering | 25 | 2.0 | 7 | Gloss picture data types and rendering functions. | (graphics, library, mit) | 2025-04-12 | 1.13.2.1 | BenLippmeier, ScottWalck, TrevorMcDonell, danielkroeni |
| gltf-loader | 10 | 0.0 | 0 | High level GlTF loader | (graphics, library, mit, program) | 2022-11-28 | 0.3.0.0 | sgillespie |
| gochan | 4 | 0.0 | 0 | Go-style channels | (concurrency, library, mit, program) | 2017-03-21 | 0.0.2 | cstrahan |
| gooey | 2 | 0.0 | 1 | Graphical user interfaces that are renderable, change over time and eventually produce a value. | (control, library, mit) | 2015-10-06 | 0.1.0.0 | SchellScivally |
| google-cloud | 8 | 0.0 | 1 | Client for the Google Cloud APIs | (google, library, mit) | 2016-05-28 | 0.0.4 | wereHamster |
| google-cloud-common | 1 | 0.0 | 3 | GCP Client for Haskell | (library, mit, web) | 2025-03-24 | 0.1.0.0 | tusharad |
| google-cloud-compute | 1 | 0.0 | 0 | GCP Client for Haskell | (library, mit, web) | 2025-03-24 | 0.1.0.0 | tusharad |
| google-cloud-logging | 1 | 0.0 | 0 | GCP Client for Haskell | (library, mit, web) | 2025-03-24 | 0.1.0.0 | tusharad |
| google-cloud-storage | 0 | 0.0 | 0 | (library, mit, unclassified) | 2025-03-24 | 0.1.0.0 | tusharad | |
| google-drive | 12 | 0.0 | 1 | Google Drive API access | (library, mit, unclassified) | 2015-08-12 | 0.4.1 | PatrickBrisbin |
| google-oauth2 | 7 | 0.0 | 1 | Google OAuth2 token negotiation | (library, mit, unclassified) | 2018-04-24 | 0.3.0.0 | PatrickBrisbin |
| google-server-api | 19 | 0.0 | 2 | Google APIs for server to server applications | (library, mit, web) | 2023-09-12 | 0.4.1.1 | arowM |
| googlepolyline | 4 | 2.0 | 1 | Google Polyline Encoder/Decoder | (data, library, mit, text) | 2016-04-16 | 0.1.0.2 | lorne |
| grab | 8 | 2.0 | 1 | Applicative non-linear consumption | (control, library, mit) | 2025-01-21 | 0.0.0.9 | chris_martin, Monoid_Mary |
| grab-form | 8 | 2.0 | 0 | Applicative parsers for form parameter lists | (library, mit, text) | 2025-01-21 | 0.0.0.9 | chris_martin, Monoid_Mary |
| graph-core | 6 | 0.0 | 3 | Fast, memory efficient and persistent graph implementation | (data, library, mit) | 2016-02-04 | 0.3.0.0 | AlexanderThiemann, DavidLeuschner, StefanWehr |
| graph-trace | 5 | 0.0 | 0 | Trace the call graph of a program | (debug, development, graph, library, mit, plugin, tooling) | 2023-03-17 | 0.1.0.2 | aaronallen8455 |
| graph-trace-dot | 5 | 0.0 | 0 | Converts a graph-trace log into a DOT file for use with Graphviz | (debug, development, graph, library, mit, plugin, program, tooling) | 2023-03-17 | 0.1.1.3 | aaronallen8455 |
| graph-trace-viz | 3 | 0.0 | 0 | Converts a graph-trace log into an HTML document | (debug, development, graph, mit, plugin, program, tooling) | 2023-03-17 | 0.1.1.1 | aaronallen8455 |
| graphbuilder | 1 | 0.0 | 1 | A declarative, monadic graph construction language for small graphs | (data, library, mit) | 2012-10-17 | 0.1.0.0 | JosephAbrahamson |
| graphene | 4 | 0.0 | 1 | A minimal Graph Theory library. | (data, library, mit) | 2014-05-25 | 0.1.0.4 | 5outh |
| graphula | 40 | 0.0 | 0 | A simple interface for generating persistent data and linking its dependencies | (library, mit, network) | 2025-06-18 | 2.1.2.0 | PatrickBrisbin, dukerutledge, mjgpy3, chris_martin, FreckleEngineering, OlaoluwaM |
| graphula-core (deprecated in favor of graphula) | 2 | 0.0 | 0 | A declarative library for describing dependencies between data | (deprecated, library, mit, network) | 2020-11-18 | 2.0.0.1 | PatrickBrisbin, dukerutledge, mjgpy3, chris_martin, FreckleEngineering, OlaoluwaM |
| gravatar | 13 | 0.0 | 7 | Generate Gravatar image URLs | (library, mit, unclassified) | 2022-03-31 | 0.8.1 | DonaldStewart, PatrickBrisbin |
| gridbounds | 1 | 2.0 | 1 | Collision detection for GridBox | (graphics, library, mit) | 2017-02-14 | 0.0.0.1 | zaidan |
| gridbox | 7 | 2.0 | 1 | A grid box model | (graphics, library, mit) | 2017-02-14 | 0.3.0.0 | zaidan |
| gridland | 5 | 0.0 | 1 | Grid-based multimedia engine | (game, library, mit) | 2015-08-01 | 0.1.0.3 | jxv |
| gridtables | 11 | 0.0 | 1 | Parser for reStructuredText-style grid tables. | (library, mit, text) | 2022-09-30 | 0.1.0.0 | JohnMacFarlane, tarleb |
| gross | 2 | 0.0 | 0 | A spoof on gloss for terminal animation | (graphics, library, mit, program) | 2017-01-16 | 0.1.0.0 | sgschlesinger |
| groupBy | 1 | 0.0 | 1 | Replacement definition of Data.List.GroupBy | (data, library, mit) | 2018-01-30 | 0.1.0.0 | oisdk |
| grow-vector | 14 | 0.0 | 0 | Mutable vector with efficient appends | (data, library, mit) | 2022-05-21 | 0.1.5.0 | NCrashed |
| growable-vector | 3 | 0.0 | 0 | A contiguous growable array type. | (data, library, mit) | 2023-08-15 | 0.1 | chessai |
| growler | 14 | 0.0 | 2 | A revised version of the scotty library that attempts to be simpler and more performant. | (library, mit, web) | 2015-02-21 | 0.6.0 | IanDuncan |
| gruvbox-colors | 1 | 2.0 | 0 | Gruvbox colors for use in Haskell | (graphics, library, mit) | 2025-04-01 | 0.1.0.0 | ccntrq |
| gtk2hs-hello | 3 | 0.0 | 1 | Gtk2Hs Hello World, an example package | (graphics, mit, program) | 2014-09-27 | 1.1.0.0 | HamishMackenzie |
| gtvm-hs | 2 | 0.0 | 0 | Various tools for reversing and using assets from Golden Time: Vivid Memories. | (data, library, mit, program) | 2024-10-03 | 1.0.0 | raehik |
| guid | 1 | 1.25 | 1 | A simple wrapper around uuid | (base, library, mit) | 2016-04-10 | 0.1.0 | tippenein |
| gvti | 13 | 0.0 | 0 | GraphViz Tabular Interface | (graphics, library, mit, program) | 2023-05-12 | 0.4.1.0 | OleksandrZhabenko |
| gyah-bin | 4 | 0.0 | 1 | A binary version of GiveYouAHead | (giveyouahead, mit, program) | 2015-06-25 | 0.2.2.3 | Qinka |
| gym-hs | 5 | 0.0 | 0 | Haskell bindings for OpenAI Gymnasium | (ai, library, machine-learning, mit, program, reinforcement-learning) | 2025-07-25 | 0.1.0.1 | benthamite |
| gym-http-api | 4 | 1.5 | 0 | REST client to the gym-http-api project | (learning-environments, library, mit, program, web) | 2018-06-12 | 0.1.0.1 | stites |
| h-gpgme | 13 | 0.0 | 2 | High Level Binding for GnuPG Made Easy (gpgme) | (cryptography, library, mit) | 2022-09-25 | 0.6.2.0 | rethab, daveparrish |
| h-reversi | 6 | 0.0 | 1 | Reversi game in haskell/blank-canvas | (game, library, mit, program) | 2016-12-15 | 0.1.0.3 | apoorvingle |
| h2048 | 16 | 0.0 | 1 | An Implementation of Game 2048 | (game, library, mit, program) | 2019-10-30 | 0.4.0.0 | javran |
| h2c | 0 | 0.0 | 1 | Bindings to Linux I2C with support for repeated-start transactions. | (library, mit, system) | 2017-07-08 | 1.0.0 | eamsden |
| hCM | 0 | 0.0 | 0 | Conceptual modelling support for Haskell | (data-structures, development, library, mit, model, program) | 2017-05-08 | 0.1.0.0 | MarekSuchanek |
| hOpenPGP | 114 | 0.0 | 1 | native Haskell implementation of OpenPGP (RFC4880) | (codec, data, library, mit) | 2025-03-14 | 2.10.1 | ClintAdams |
| hablog | 11 | 0.0 | 0 | A blog system | (library, mit, program, web) | 2021-01-27 | 0.8.0 | gilmi |
| hackage-diff | 5 | 2.0 | 1 | Compare the public API of different versions of a Hackage library | (distribution, mit, program) | 2016-01-16 | 0.1.0.1 | blitzcode |
| hackage-mirror | 7 | 2.0 | 1 | Simple mirroring utility for Hackage | (distribution, library, mit, program) | 2015-11-29 | 0.1.1.1 | MichaelSnoyman, dysinger |
| hackage-proxy (deprecated) | 13 | 0.0 | 1 | Provide a proxy for Hackage which modifies responses in some way. (deprecated) | (deprecated, development, mit, program) | 2014-03-20 | 0.3.0.1 | MichaelSnoyman |
| hackernews | 31 | 0.0 | 1 | API for Hacker News | (library, mit, program, web) | 2017-12-27 | 1.4.0.0 | DavidJohnson |
| hackertyper | 3 | 2.0 | 1 | "Hack" like a programmer in movies and games! | (game, mit, program) | 2014-10-15 | 0.1.0.1 | fgaz |
| hactor | 5 | 0.0 | 1 | Lightweight Erlang-style actors for Haskell. | (concurrency, library, mit) | 2014-09-21 | 1.2.0.0 | Forkk |
| hactors | 1 | 0.0 | 1 | Practical actors for Haskell. | (concurrency, library, mit) | 2012-01-29 | 0.0.3.1 | HekaTreep |
| haddock-cheatsheet | 2 | 0.0 | 0 | A documentation-only package exemplifying haddock markup features | (documentation, library, mit) | 2019-05-07 | 0.1.0.1 | dailectic |
| haggis | 11 | 0.0 | 1 | A static site generator with blogging/comments support | (library, mit, program, web) | 2015-12-06 | 0.1.3.0 | TychoAndersen |
| hailgun | 28 | 0.0 | 2 | Mailgun REST api interface for Haskell. | (library, mit, network) | 2020-02-27 | 0.5.1 | RobertMassaioli, codedmart, k_bx, MaxGabriel, cdepillabout, parsonsmatt |
| hailgun-send | 4 | 0.0 | 1 | A program to send emails throught the Mailgun api. | (mit, network, program) | 2014-11-17 | 0.1.1.1 | RobertMassaioli |
| hails | 14 | 0.0 | 1 | Multi-app web platform framework | (library, mit, program, web) | 2015-04-21 | 0.11.2.1 | AmitLevy, DavidMazieres, DeianStefan |
| hairy (deprecated) | 6 | 0.0 | 1 | A JSON REST API | (deprecated, library, mit, program, web) | 2014-10-16 | 0.1.3 | taylorfausak, fozworth |
| hakismet | 1 | 0.0 | 1 | Akismet spam protection library | (library, mit, web) | 2010-10-05 | 0.1 | NilsSchweinsberg |
| hakka | 1 | 0.0 | 0 | Minimal akka-inspired actor library | (concurrency, library, mit, program) | 2017-06-13 | 0.2.0 | martinrign |
| hakyll-alectryon | 2 | 0.0 | 0 | Hakyll extension for rendering Coq code using Alectryon | (library, mit, text, web) | 2022-09-13 | 0.1.2.0 | lyxia |
| hakyll-contrib-hyphenation | 7 | 0.0 | 1 | automatic hyphenation for Hakyll | (library, mit, web) | 2014-12-03 | 0.1.0.3 | firegurafiku |
| hakyll-ogmarkup (deprecated) | 3 | 0.0 | 1 | Integrate ogmarkup document with Hakyll | (deprecated, library, mit, web) | 2017-12-25 | 4.0 | lethom |
| hakyll-sass | 9 | 0.0 | 1 | Hakyll SASS compiler over hsass | (library, mit, web) | 2018-12-13 | 0.2.4 | meoblast001 |
| hakyll-series | 3 | 0.0 | 1 | Adds series functionality to hakyll | (library, mit, web) | 2016-11-02 | 0.1.0.1 | oisdk |
| hakyll-shakespeare | 5 | 0.0 | 1 | Hakyll Hamlet compiler | (library, mit, web) | 2016-09-03 | 0.1.0.0.2 | Eliza0x |
| halfsplit | 9 | 0.0 | 2 | A library to provide special kind of two-column output for Phladiprelio. | (PhLADiPreLiO, data, language, library, mit) | 2024-04-08 | 0.4.3.0 | OleksandrZhabenko |
| halma | 5 | 0.0 | 1 | Library implementing Halma rules | (game, library, mit) | 2021-05-09 | 0.3.0.2 | TimBaumann |
| halma-gui | 3 | 0.0 | 1 | GTK application for playing Halma | (game, mit, program) | 2019-01-03 | 0.1.1.1 | TimBaumann |
| halma-telegram-bot | 1 | 0.0 | 1 | Telegram bot for playing Halma | (game, mit, program) | 2017-04-03 | 0.1.0.0 | TimBaumann |
| hamlet (deprecated in favor of shakespeare) | 108 | 0.0 | 37 | Haml-like template files that are compile-time checked (deprecated) | (deprecated, library, mit, web, yesod) | 2014-03-30 | 1.2.0 | FelipeLessa, GregWeber, MichaelSnoyman |
| handa-data | 2 | 0.0 | 1 | This package is deprecated. It formerly contained Haskell utilities for data structures and data manipulation. | (data, library, mit) | 2016-08-01 | 0.2.9.9 | BrianBush |
| handa-gdata | 21 | 0.0 | 4 | Library and command-line utility for accessing Google services and APIs. | (library, mit, network, program) | 2015-04-26 | 0.7.0.3 | BrianBush, RyanNewton |
| handa-geodata | 2 | 0.0 | 1 | Geographic and Geometric Data | (data, geography, geometry, library, mit, program) | 2014-04-27 | 0.2.0.1 | BrianBush |
| handa-opengl | 4 | 0.0 | 1 | Utility functions for OpenGL and GLUT | (graphics, library, mit) | 2016-04-16 | 0.1.13.1 | BrianBush |
| hangman | 4 | 0.0 | 1 | Hangman implementation in Haskell written in two hours. | (game, mit, program) | 2013-04-28 | 1.0.3 | HokShunPoon |
| hanspell | 26 | 2.0 | 0 | Korean spell checker | (korean, language, library, mit, program, spellchecker) | 2021-09-19 | 0.2.6.1 | 9beach |
| haphviz | 13 | 0.0 | 1 | Graphviz code generation with Haskell | (library, mit, text) | 2016-12-02 | 0.2.0.1 | Norfair |
| hapistrano | 114 | 2.25 | 1 | A deployment library for Haskell applications | (library, mit, program, system) | 2023-02-16 | 0.4.8.0 | jsl, stackbuilders, sestrella, camm |
| happy-hour | 4 | 0.0 | 0 | Generate simple okay-looking bar plots without much effort | (graphics, library, mit) | 2022-12-29 | 0.0.0.4 | chris_martin, Monoid_Mary |
| happybara | 1 | 0.0 | 2 | Acceptance test framework for web applications | (development, library, mit) | 2014-04-14 | 0.0.1 | cstrahan |
| happybara-webkit | 2 | 0.0 | 1 | WebKit Happybara driver | (development, library, mit) | 2014-04-14 | 0.0.1 | cstrahan |
| happybara-webkit-server | 2 | 0.0 | 1 | WebKit Server binary for Happybara (taken from capybara-webkit) | (development, library, mit) | 2014-04-14 | 0.0.1 | cstrahan |
| haquil | 3 | 0.0 | 1 | A Haskell implementation of the Quil instruction set for quantum computing. | (language, library, mit) | 2018-03-05 | 0.2.1.14 | BrianBush |
| harfbuzz-pure | 19 | 0.0 | 2 | Pure-functional Harfbuzz language bindings | (library, mit, program, text) | 2023-09-25 | 1.0.4.0 | alcinnz |
| harvest-api (deprecated) | 3 | 0.0 | 1 | Bindings for Harvest API | (deprecated, library, mit, web) | 2016-05-20 | 0.1.0 | jsl, stackbuilders, mrkkrp |
| has-transformers | 9 | 2.0 | 0 | This library 'Has' transformers | (effect, library, mit) | 2022-01-26 | 0.1.0.4 | turion |
| hascalam | 5 | 0.0 | 0 | Haskell to and from Scalameta | (language, library, mit) | 2024-07-07 | 0.1.1.2 | sjbiaga |
| hashes | 13 | 0.0 | 1 | Hash functions | (data, library, mit) | 2024-08-20 | 0.3.0.1 | larsk |
| hashids | 8 | 0.0 | 1 | Hashids generates short, unique, non-sequential ids from numbers. | (library, mit, web) | 2023-12-30 | 1.1.1.0 | arbelos |
| hashing | 4 | 0.0 | 1 | A pure haskell library implements several hash algorithms. | (cryptography, library, mit, program) | 2022-12-04 | 0.1.1.0 | wangbj |
| hashmap-throw | 2 | 0.0 | 0 | Throw behaviour for hashmap lookup. | (data-structures, library, mit) | 2020-08-28 | 0.1.0.0 | locallycompact |
| hashtables-plus (deprecated) | 4 | 0.0 | 1 | Extensions for a "hashtables" library | (data, data-structures, deprecated, library, mit) | 2014-04-29 | 0.2.0 | NikitaVolkov |
| haskakafka | 8 | 0.0 | 1 | Kafka bindings for Haskell | (library, mit, network, program) | 2016-12-04 | 1.2.0 | tdimson |
| haskbot-core | 8 | 0.0 | 1 | Easily-extensible chatbot for Slack messaging service | (library, mit, network) | 2014-08-04 | 0.1 | jonplussed |
| haskell-admin | 1 | 0.0 | 0 | Remote Management Platform for Haskell Applications | (library, mit, remote-management) | 2022-06-08 | 1.0.0.0 | martinbednar |
| haskell-admin-core | 1 | 0.0 | 3 | Core Modules of Haskell Admin | (library, mit, remote-management, web) | 2022-06-08 | 1.0.0.0 | martinbednar |
| haskell-admin-health | 1 | 0.0 | 1 | Application Health Component for Haskell Admin | (haskell-admin, library, mit, remote-management) | 2022-06-08 | 1.0.0.0 | martinbednar |
| haskell-admin-managed-functions | 0 | 0.0 | 1 | Managed Functions integration for Haskell Admin | (haskell-admin, library, managed-functions, mit, remote-management) | 2022-06-08 | 1.0.0.0 | martinbednar |
| haskell-bcrypt | 7 | 0.0 | 1 | A bcrypt implementation for haskell | (library, mit, system) | 2016-02-05 | 0.3.2 | BrettCarter |
| haskell-brainfuck | 3 | 0.0 | 1 | BrainFuck interpreter | (language, library, mit, program) | 2014-08-08 | 0.1.0.1 | paraseba |
| haskell-conll | 6 | 0.0 | 1 | Core Types for NLP | (library, mit, text) | 2019-07-16 | 0.1.0.2 | MichalGajda, sigrlami |
| haskell-course-preludes | 8 | 0.0 | 1 | Small modules for a Haskell course in which Haskell is taught by implementing Prelude functionality. | (library, mit, unclassified) | 2014-07-01 | 0.0.0.4 | gibiansky |
| haskell-formatter (deprecated in favor of hindent) | 9 | 0.0 | 1 | Haskell source code formatter | (deprecated, development, library, mit, program) | 2020-11-07 | 2.0.3 | evolutics |
| haskell-go-checkers | 3 | 2.0 | 1 | Go and Checkers game in Haskell | (game, mit, program) | 2017-05-06 | 0.1.1.0 | prateekkumarweb |
| haskell-google-genai-client | 2 | 0.0 | 0 | Auto-generated Gemini API Client for Haskell | (api, library, mit) | 2025-06-04 | 0.1.0 | sonowz |
| haskell-holes-th | 4 | 2.0 | 1 | Infer haskell code by given type. | (language, library, mit) | 2019-08-24 | 2.0.0.0 | klntsky |
| haskell-igraph | 15 | 0.0 | 1 | Bindings to the igraph C library (v0.8.0). | (library, math, mit) | 2020-02-21 | 0.8.0 | kaizhang |
| haskell-import-graph | 7 | 0.0 | 0 | create haskell import graph for graphviz | (development, library, mit, program) | 2018-04-28 | 1.0.4 | ncaq |
| haskell-kubernetes | 7 | 0.0 | 1 | Haskell bindings to the Kubernetes API (via swagger-codegen) | (library, mit, web) | 2016-12-11 | 0.5.0 | aaronlevin |
| haskell-lexer | 19 | 0.0 | 8 | A fully compliant Haskell 98 lexer | (language, library, mit) | 2025-02-20 | 1.2.1 | IavorDiatchki |
| haskell-lsp (deprecated in favor of lsp) | 84 | 2.25 | 13 | Haskell library for the Microsoft Language Server Protocol | (deprecated, development, library, mit) | 2021-01-13 | 0.24.0.0 | AlanZimmerman, lorenzo, wz1000, luke_ |
| haskell-lsp-types (deprecated in favor of lsp-types) | 33 | 2.0 | 8 | Haskell library for the Microsoft Language Server Protocol, data types | (deprecated, development, library, mit) | 2021-01-13 | 0.24.0.0 | AlanZimmerman, lorenzo, wz1000, luke_ |
| haskell-neo4j-client | 47 | 0.0 | 1 | A Haskell neo4j client | (database, library, mit) | 2016-09-22 | 0.3.2.4 | asilvestre |
| haskell-packages | 51 | 0.0 | 4 | Haskell suite library for package management and integration with Cabal | (distribution, library, mit) | 2018-05-02 | 0.6.2 | AdamBergmark, DavidHimmelstrup, RomanCheplyaka, PhilippSchuster, niteria |
| haskell-postal | 14 | 0.0 | 1 | Haskell binding for the libpostal library | (library, mit, natural-language-processing) | 2018-08-16 | 0.2.1.2 | netom |
| haskell-postgis | 5 | 0.0 | 0 | A haskell library for PostGIS geometry types. | (database, library, mit) | 2020-06-26 | 0.2.0 | petefrance |
| haskell-read-editor (deprecated in favor of read-editor) | 1 | 0.0 | 1 | Opens a temporary file on the system's EDITOR and returns the resulting edits | (deprecated, library, mit, system) | 2015-10-27 | 0.1.0.0 | yamadapc |
| haskell-reflect | 2 | 0.0 | 1 | Reflect Haskell types. | (haskell, library, mit) | 2013-06-17 | 0.9 | JulianFleischer |
| haskell-spacegoo | 5 | 0.0 | 1 | Client API for Rocket Scissor Spacegoo | (game, library, mit) | 2015-04-04 | 0.2.0.1 | JoachimBreitner |
| haskell-src-exts-simple | 11 | 0.0 | 4 | A simplified view on the haskell-src-exts AST | (development, library, mit) | 2024-12-27 | 1.23.1.0 | BertramFelgenhauer |
| haskell-stack-trace-plugin | 5 | 0.0 | 0 | haskell-stack-trace-plugin | (compiler-plugin, debug, development, library, mit, program) | 2021-05-25 | 0.1.3.0 | waddlaw |
| haskheap | 2 | 0.0 | 1 | Haskell bindings to refheap. | (library, mit, network) | 2012-12-05 | 0.1.2 | AnthonyGrimes |
| haskmon | 8 | 0.0 | 1 | A haskell wrapper for PokeAPI.co (www.pokeapi.co) | (game, library, mit, web) | 2016-03-09 | 0.2.2.0 | pjrt |
| haskoin-core | 186 | 2.0 | 14 | Bitcoin & Bitcoin Cash library for Haskell | (bitcoin, finance, library, mit, network, public-domain) | 2025-05-09 | 1.2.2 | jprupp |
| haskoin-node | 86 | 0.0 | 2 | P2P library for Bitcoin and Bitcoin Cash | (bitcoin, finance, library, mit, network, public-domain) | 2025-05-08 | 1.1.4 | jprupp |
| haskoin-store | 389 | 0.0 | 0 | Storage and index for Bitcoin and Bitcoin Cash | (bitcoin, finance, library, mit, network, program) | 2025-05-08 | 1.5.16 | jprupp |
| haskoin-store-data | 167 | 0.0 | 2 | Data for Haskoin Store | (bitcoin, finance, library, mit, network) | 2025-05-08 | 1.5.16 | jprupp |
| haskyapi (deprecated) | 2 | 0.0 | 0 | HTTP server | (deprecated, library, mit, program, web) | 2018-02-09 | 0.0.0.2 | okue |
| haspara | 11 | 0.0 | 0 | A library providing definitions to work with monetary values. | (finance, library, mit) | 2024-10-07 | 0.0.0.10 | vst |
| haspell | 3 | 0.0 | 1 | Haskell bindings to aspell | (language, library, mit) | 2013-08-26 | 1.1.0 | JoelTaylor |
| hasql | 280 | 2.5 | 45 | Fast PostgreSQL driver with a flexible mapping API | (database, hasql, library, mit, postgresql) | 2025-07-28 | 1.9.2 | NikitaVolkov |
| hasql-backend (deprecated in favor of hasql) | 15 | 0.0 | 5 | API for backends of "hasql" | (database, deprecated, library, mit) | 2016-10-19 | 0.4.3 | NikitaVolkov |
| hasql-cursor-query | 17 | 0.0 | 1 | A declarative abstraction over PostgreSQL Cursor | (database, hasql, library, mit, postgresql, streaming) | 2025-01-06 | 0.4.5.2 | NikitaVolkov |
| hasql-cursor-transaction | 14 | 0.0 | 1 | An abstraction for simultaneous fetching from multiple PostgreSQL cursors | (database, hasql, library, mit, postgresql, streaming) | 2025-01-06 | 0.6.5.2 | NikitaVolkov |
| hasql-dynamic-statements | 21 | 0.0 | 1 | Toolkit for constructing Hasql statements dynamically | (library, mit, unclassified) | 2025-01-06 | 0.3.1.8 | NikitaVolkov |
| hasql-effectful | 1 | 0.0 | 0 | Effectful bindings for hasql | (database, library, mit, program) | 2023-12-27 | 0.1.0.0 | shinzui |
| hasql-implicits | 13 | 0.0 | 2 | Implicit definitions for Hasql, such as default codecs for standard types | (library, mit, unclassified) | 2025-01-06 | 0.2.0.1 | NikitaVolkov |
| hasql-optparse-applicative | 52 | 0.0 | 2 | "optparse-applicative" parsers for "hasql" | (database, hasql, library, mit, options, postgresql) | 2025-01-06 | 0.9 | NikitaVolkov |
| hasql-pool | 87 | 0.0 | 11 | Pool of connections for Hasql | (database, hasql, library, mit, postgresql) | 2025-07-09 | 1.3.0.3 | NikitaVolkov |
| hasql-postgres (deprecated in favor of hasql) | 41 | 0.0 | 4 | A "PostgreSQL" backend for the "hasql" library | (database, deprecated, library, mit) | 2015-09-21 | 0.10.6 | NikitaVolkov |
| hasql-postgres-options (deprecated in favor of hasql-optparse-applicative) | 11 | 0.0 | 1 | An "optparse-applicative" parser for "hasql-postgres" | (database, deprecated, library, mit, options) | 2016-10-19 | 0.1.6 | NikitaVolkov |
| hasql-resource-pool | 10 | 0.0 | 0 | A pool of connections for Hasql based on resource-pool. | (database, hasql, library, mit, postgresql) | 2025-06-16 | 1.9.1.3 | avanov |
| hasql-streams-conduit | 1 | 0.0 | 0 | Stream Hasql queries with Conduit | (conduit, database, hasql, library, mit, postgresql, streaming) | 2022-02-05 | 0.1.0.0 | amarianiello |
| hasql-streams-core | 1 | 0.0 | 4 | Stream Hasql queries | (database, hasql, library, mit, postgresql, streaming) | 2022-02-05 | 0.1.0.0 | amarianiello |
| hasql-streams-example | 2 | 0.0 | 0 | An example program that shows how to use Hasql streams with Rel8 | (database, hasql, mit, postgresql, program, streaming) | 2022-02-05 | 0.1.0.0 | amarianiello |
| hasql-streams-pipes | 1 | 0.0 | 0 | Stream Hasql queries with Pipes | (database, hasql, library, mit, pipes, postgresql, streaming) | 2022-02-05 | 0.1.0.0 | amarianiello |
| hasql-streams-streaming | 1 | 0.0 | 0 | Stream Hasql queries with Streaming | (database, hasql, library, mit, postgresql, streaming) | 2022-02-05 | 0.1.0.0 | amarianiello |
| hasql-streams-streamly | 2 | 2.0 | 0 | Stream Hasql queries with Streamly | (database, hasql, library, mit, postgresql, streaming, streamly) | 2022-02-05 | 0.1.0.0 | amarianiello |
| hasql-th | 41 | 0.0 | 2 | Template Haskell utilities for Hasql | (database, hasql, library, mit, postgresql, template-haskell) | 2025-01-06 | 0.4.0.23 | NikitaVolkov |
| hasql-transaction | 94 | 0.0 | 9 | Composable abstraction over retryable transactions for Hasql | (database, hasql, library, mit, postgresql) | 2025-07-18 | 1.2.1 | NikitaVolkov |
| hasql-transaction-io | 14 | 0.0 | 5 | Perform IO actions during transactions for Hasql | (database, hasql, library, mit, postgresql) | 2024-09-23 | 0.2.8.0 | amarianiello |
| hasql-url | 2 | 0.0 | 0 | Parse PostgreSQL connection URI into Hasql.Connection Settings | (library, mit, utility) | 2023-12-26 | 0.3.0.0 | shinzui |
| haste-app | 0 | 0.0 | 1 | Framework for type-safe, distributed web applications. | (library, mit, web) | 2017-09-15 | 0.1.0.0 | AntonEkblad |
| haste-gapi | 2 | 2.0 | 1 | Google API bindings for the Haste compiler | (library, mit, web) | 2016-04-01 | 0.1.0.1 | nyson |
| haste-markup | 2 | 0.0 | 1 | A port of blaze-markup and blaze-html to Haste | (library, mit, web) | 2014-06-07 | 0.0.1.0 | AnupamJain |
| hasty-hamiltonian | 16 | 0.0 | 1 | Speedy traversal through parameter space. | (library, mit, numeric) | 2021-02-21 | 1.3.4 | JaredTobin |
| hats | 3 | 0.0 | 0 | Haskell client for the NATS messaging system | (library, mit, network, program) | 2016-10-04 | 0.1.0.1 | PatrikSandahl |
| hax | 3 | 0.0 | 1 | Haskell cash-flow and tax simulation | (finance, library, mit, program) | 2017-01-25 | 0.0.2 | johannesgerer |
| haxparse | 2 | 0.0 | 1 | Readable HaxBall replays | (data, library, mit, program) | 2013-09-18 | 0.3.1.0 | JoelTaylor |
| hayland (deprecated) | 2 | 0.0 | 1 | Haskell bindings for the C Wayland library. | (deprecated, graphics, library, mit, program) | 2014-09-16 | 0.1.0.1 | AukeBooij |
| hayoo-cli | 6 | 0.0 | 1 | Hayoo CLI | (development, mit, program) | 2014-08-18 | 0.1.0.4 | Gonzih |
| hbcd | 2 | 0.0 | 1 | Packed binary-coded decimal (BCD) serialization | (data, library, mit) | 2012-06-20 | 1.0 | AndrewKay |
| hblosc | 3 | 0.0 | 0 | Blosc (numerical compression library) bindings for Haskell | (codec, library, mit) | 2025-06-15 | 0.1.0.2 | bsobel |
| hdbc-aeson | 7 | 0.0 | 1 | Deserialize from HDBC rows to FromJSON instances | (database, library, mit) | 2015-03-20 | 0.1.3.2 | DanielChoi |
| hdbc-postgresql-hstore (deprecated in favor of HDBC-postgresql-hstore, postgresql-simple) | 1 | 0.0 | 1 | Manipulate data in PostgreSQL "hstore" columns. | (database, deprecated, library, mit) | 2012-07-06 | 0.0.1.1 | AlexanderBondarenko |
| hdevtools | 32 | 2.5 | 1 | Persistent GHC powered background server for FAST haskell development tools | (development, mit, program) | 2019-03-10 | 0.1.8.0 | BitConnor, SchellScivally, ranjitjhala, ch1bo |
| hdiff | 2 | 2.0 | 0 | Pattern-Expression-based differencing of arbitrary types. | (library, mit, other, program) | 2019-09-27 | 0.0.1 | vcmiraldo |
| hdo | 5 | 1.75 | 0 | A Digital Ocean client in Haskell | (cloud, library, mit, program) | 2017-05-13 | 0.5 | abailly |
| headed-megaparsec | 12 | 0.0 | 2 | More informative parser | (library, megaparsec, mit, parsers, parsing) | 2023-12-11 | 0.2.1.3 | NikitaVolkov |
| headergen | 3 | 0.0 | 1 | Creates a header for a haskell source file. | (development, mit, program) | 2015-07-30 | 0.2.0.0 | bash0r |
| heavy-log-shortcuts (deprecated in favor of monad-logger) | 2 | 0.0 | 0 | Simle api for heavy logger | (deprecated, library, mit, system) | 2019-04-11 | 1.0.1 | |
| hebrew-time | 18 | 0.0 | 1 | Hebrew dates and prayer times. | (data, library, mit) | 2019-02-17 | 0.1.2 | MichaelSnoyman |
| heckin | 0 | 0.0 | 0 | Oh heck, it's a heckin' case conversion library. | (data, library, mit, text) | 2019-11-09 | 0.0.1.0 | maxdeviant |
| heckle | 22 | 0.0 | 0 | Jekyll in Haskell (feat. LaTeX) | (library, mit, program, web) | 2017-03-11 | 2.0.2.1 | 2016rshah |
| hedgehog-gen-json | 14 | 0.0 | 1 | JSON generators for Hedgehog | (library, mit, test) | 2018-05-09 | 0.5.1 | amrhassan |
| hedgehog-lens | 3 | 0.0 | 0 | Hedgehog properties for lens laws. | (lens, library, mit, testing) | 2022-04-14 | 0.1.0.0 | solomon |
| hedgehog-optics | 5 | 0.0 | 0 | Hedgehog properties for optics laws | (library, mit, optics, testing) | 2025-01-22 | 1.0.0.4 | chris_martin, Monoid_Mary |
| hedis-simple | 2 | 0.0 | 1 | A simplified API for hedis | (database, library, mit) | 2013-11-28 | 0.1.0.0 | IanDuncan |
| hedra | 1 | 0.0 | 0 | A small library and executable for generating dice rolls. | (game, library, mit, program) | 2019-01-02 | 0.1 | vtan |
| heidi | 3 | 2.0 | 0 | Tidy data in Haskell | (data-mining, data-science, generics, library, mit, program) | 2021-06-17 | 0.3.0 | ocramz |
| heist-extra | 8 | 0.0 | 1 | Extra heist functionality | (library, mit, web) | 2023-08-09 | 0.3.0.0 | sridca |
| helf | 5 | 0.0 | 1 | Typechecking terms of the Edinburgh Logical Framework (LF). | (dependent-types, mit, program) | 2024-03-18 | 1.0.20240318 | AndreasAbel |
| helics | 19 | 0.0 | 3 | New Relic® agent SDK wrapper for Haskell. | (library, mit, network) | 2015-03-24 | 0.5.1 | HirotomoMoriwaki |
| helics-wai | 9 | 0.0 | 2 | New Relic® agent SDK wrapper for wai. | (library, mit, network) | 2015-03-24 | 0.5.1 | HirotomoMoriwaki |
| helix | 1 | 0.0 | 1 | Web development micro framework for haskell with typesafe URLs | (library, mit, network) | 2016-01-12 | 0.9.5 | AnupamJain |
| helm | 15 | 2.5 | 1 | A functionally reactive game engine. | (frp, game-engine, library, mit, program) | 2016-10-03 | 1.0.0 | ZackCorr, kasbah |
| help-esb | 8 | 0.0 | 1 | A Haskell client for the Help.com team's ESB. | (development, library, mit) | 2014-11-13 | 0.1.6 | suitupalex |
| hemokit | 17 | 0.0 | 1 | Haskell port of the Emokit EEG project | (bioinformatics, library, mit, program) | 2015-08-19 | 0.6.6 | NiklasHambuechen, PatrickChilton |
| hen | 10 | 0.0 | 1 | Haskell bindings to Xen hypervisor interface | (library, mit, system) | 2014-03-13 | 0.1.3 | FedorGogolev |
| henet | 9 | 0.0 | 1 | Bindings and high level interface for to ENet v1.3.9 | (ffi, library, mit, network) | 2013-09-04 | 1.3.9.3 | JohnEricson |
| hepevt | 9 | 0.0 | 1 | HEPEVT parser | (library, mit, physics) | 2012-02-06 | 0.5 | ScottLawrence |
| heptapod | 3 | 0.0 | 0 | Generate UUIDv7 values. | (data, library, mit) | 2024-11-05 | 1.1.0.0 | fozworth |
| herbalizer | 5 | 0.0 | 1 | HAML to ERB translator | (mit, program, utility) | 2013-04-18 | 0.4.9 | DanielChoi |
| hermes-json | 19 | 2.25 | 0 | Fast JSON decoding via simdjson C++ bindings | (ffi, json, library, mit, text, web) | 2025-07-16 | 0.7.0.0 | velveteer |
| heroku-persistent | 3 | 0.0 | 1 | Parse DATABASE_URL into configuration types for Persistent | (library, mit, unclassified) | 2016-03-18 | 0.2.0 | PatrickBrisbin, jferris |
| herringbone | 13 | 0.0 | 3 | A library for compiling and serving static web assets. | (library, mit, web) | 2014-07-27 | 0.1.1 | hdgarrood |
| herringbone-embed | 5 | 0.0 | 1 | Embed preprocessed web assets in your executable with Template Haskell. | (library, mit, web) | 2014-07-27 | 0.1.1 | hdgarrood |
| herringbone-wai | 3 | 0.0 | 1 | Wai adapter for the Herringbone web asset preprocessor. | (library, mit, web) | 2014-07-27 | 0.1.1 | hdgarrood |
| hesh | 7 | 0.0 | 0 | the Haskell Extensible Shell: Haskell for Bash-style scripts | (development, library, mit, program) | 2017-03-07 | 1.11.0 | ChrisForno |
| hetero-dict | 4 | 0.0 | 2 | Fast heterogeneous data structures | (data, library, mit) | 2016-06-03 | 0.1.1.0 | winterland |
| heterocephalus | 42 | 0.0 | 3 | A type-safe template engine for working with front end development tools | (library, mit, web) | 2022-07-12 | 1.0.5.7 | arowM |
| heterolist | 1 | 0.0 | 1 | A heterogeneous list type | (data, library, mit) | 2017-03-09 | 0.2.0.0 | clinton |
| hetzner | 17 | 0.0 | 0 | Hetzner Cloud and DNS library. | (cloud, library, mit, program) | 2025-04-24 | 0.7.2.1 | DanielDiaz |
| hex-text | 8 | 2.0 | 9 | ByteString-Text hexidecimal conversions | (library, mit, text) | 2023-06-21 | 0.1.0.9 | chris_martin, Monoid_Mary |
| hexchat | 2 | 0.0 | 1 | Haskell scripting interface for HexChat | (library, mit, system) | 2017-12-06 | 0.0.2.0 | mniip |
| hexpat-lens | 39 | 0.0 | 1 | Lenses for Hexpat. | (library, mit, xml) | 2020-06-17 | 0.1.9 | JosephAbrahamson, OliverCharles |
| hexpress | 3 | 0.0 | 1 | An express-like http framework | (library, mit, network) | 2017-09-01 | 0.1.0.0 | allonsy |
| hexstring | 10 | 0.0 | 10 | Fast and safe representation of a hex string | (data, library, mit) | 2015-04-21 | 0.11.1 | solatis |
| hfmt | 15 | 2.25 | 0 | Haskell source code formatter | (language, library, mit, program) | 2021-09-07 | 0.3.0.0 | danielstiner |
| hgearman | 4 | 0.0 | 1 | A Gearman client for Haskell. | (library, mit, network) | 2015-08-01 | 0.1.0.2 | jperson |
| hgeometric | 4 | 0.0 | 1 | A geometric library with bindings to GPC. | (library, math, mit) | 2009-06-25 | 0.0.2.2 | DonaldStewart, GwernBranwen, MarcoSilva |
| hgeos | 14 | 0.0 | 1 | Simple Haskell bindings to GEOS C API | (data, geography, geometry, library, mit, text) | 2016-08-10 | 0.1.8.0 | rcook |
| hhwloc | 4 | 0.0 | 0 | Bindings to https://www.open-mpi.org/projects/hwloc | (foreign, library, mit, system) | 2020-01-27 | 0.2.1 | dtaskoff |
| hi3status | 4 | 0.0 | 0 | Status line for i3bar. | (library, mit, program, system) | 2015-12-29 | 0.1.1.0 | ScrambledEggs |
| hidapi | 11 | 0.0 | 5 | Haskell bindings to HIDAPI | (hardware, library, mit) | 2022-05-05 | 0.1.8 | NiklasHambuechen, PatrickChilton |
| hidden-char | 5 | 2.0 | 1 | Provides cross-platform getHiddenChar function | (command-line-tool, library, mit) | 2017-12-29 | 0.1.0.2 | rcook |
| hiedb-plugin | 3 | 0.0 | 0 | See README on Github for more information | (development, library, mit) | 2024-04-02 | 0.1.0 | suzzr0 |
| higgledy | 28 | 2.0 | 1 | Partial types as a type constructor. | (data, library, mit) | 2023-03-09 | 0.4.2.1 | jonathanlking, i_am_tom |
| highjson | 10 | 0.0 | 2 | Spec based JSON parsing/serialisation | (json, library, mit, text, web) | 2021-05-17 | 0.5.0.0 | AlexanderThiemann |
| highjson-swagger | 3 | 0.0 | 1 | Derive swagger instances from highjson specs | (json, library, mit, text, web) | 2021-05-17 | 0.5.0.0 | AlexanderThiemann |
| highjson-th | 3 | 0.0 | 1 | Template Haskell helpers for highjson specs | (json, library, mit, text, web) | 2021-05-17 | 0.5.0.0 | AlexanderThiemann |
| himpy | 1 | 0.0 | 1 | multithreaded snmp poller for riemann | (mit, program, system) | 2014-02-10 | 0.5.0 | pyr |
| hindley-milner | 1 | 0.0 | 1 | Template for Hindley-Milner based languages | (language, library, mit) | 2016-04-23 | 0.1.0.0 | mbg |
| hindley-milner-type-check | 1 | 0.0 | 0 | Type inference for Hindley-Milner based languages | (language, library, mit) | 2021-06-08 | 0.1.1.0 | AntonKholomiov |
| hinduce-associations-apriori | 0 | 0.0 | 2 | Apriori algorithm for association rule mining | (data-mining, library, mit) | 2012-02-07 | 0.0.0.0 | RobertHensing |
| hinquire | 3 | 0.0 | 1 | Generate armet style query strings. | (library, mit, network) | 2014-03-26 | 0.1.1 | joneshf |
| hjcase (deprecated) | 3 | 0.0 | 1 | Jcase library for Haskell | (data, deprecated, library, mit) | 2015-05-09 | 0.2.0.0 | seagreen |
| hjsonpointer (deprecated) | 66 | 1.75 | 2 | JSON Pointer library | (data, deprecated, library, mit) | 2018-09-30 | 1.5.0 | seagreen |
| hjsonschema (deprecated) | 103 | 0.0 | 6 | JSON Schema library | (data, deprecated, library, mit) | 2020-05-01 | 1.10.0 | seagreen |
| hleap | 6 | 0.0 | 1 | Web Socket interface to Leap Motion controller | (hardware, library, mit, program) | 2019-02-20 | 0.2.0.0 | BrianBush |
| hlex | 2 | 1.5 | 0 | Simple Lexer Creation | (lexer, library, mit) | 2023-07-08 | 1.0.0 | SebTee |
| hlibcpuid | 1 | 0.0 | 0 | Bindings to https://github.com/anrieff/libcpuid | (foreign, library, mit, program, system) | 2020-01-21 | 0.2.0 | dtaskoff |
| hlibgit2 | 60 | 0.0 | 4 | Low-level bindings to libgit2 | (ffi, library, mit) | 2017-02-07 | 0.18.0.16 | JohnWiegley, SakariJokinen |
| hlibsass | 21 | 0.0 | 3 | Low-level bindings to Libsass | (foreign, library, mit) | 2020-06-17 | 0.1.10.1 | jakubfijalkowski |
| hlivy | 4 | 2.0 | 0 | Client library for the Apache Livy REST API | (distributed-computing, library, mit) | 2019-02-08 | 1.0.1 | ddonohue |
| hlrdb | 13 | 0.0 | 0 | High-level Redis Database | (database, library, mit) | 2025-03-13 | 0.5.0.0 | identicalsnowflake |
| hlrdb-core | 24 | 0.0 | 1 | High-level Redis Database Core API | (database, library, mit) | 2022-07-18 | 0.2.0.0 | identicalsnowflake |
| hls-cabal-plugin | 20 | 0.0 | 1 | Cabal integration plugin with Haskell Language Server | (development, library, mit) | 2024-01-15 | 2.6.0.0 | hls_team |
| hnock | 0 | 0.0 | 0 | A Nock interpreter. | (language, library, mit, program) | 2019-10-01 | 0.4.0 | JaredTobin |
| hoauth2 | 358 | 2.0 | 18 | Haskell OAuth2 authentication client | (library, mit, network, oauth2) | 2025-03-14 | 2.14.3 | HaishengWu |
| hoauth2-demo | 13 | 0.0 | 0 | hoauth2 demo application | (mit, network, program) | 2024-11-19 | 1.12.1 | HaishengWu |
| hoauth2-providers | 20 | 0.0 | 1 | OAuth2 Identity Providers | (library, mit, network) | 2024-05-29 | 0.8.0 | HaishengWu |
| hoauth2-providers-tutorial | 12 | 0.0 | 0 | tutorial for hoauth2-providers module | (library, mit, network, program) | 2024-05-29 | 0.8.0 | HaishengWu |
| hoauth2-tutorial | 15 | 0.0 | 0 | Tutorial for using hoauth2 | (mit, network, oauth2, program, tutorial) | 2024-05-29 | 0.8.0 | HaishengWu |
| hogre | 11 | 0.0 | 3 | Haskell binding to a subset of OGRE | (graphics, library, mit) | 2012-06-16 | 0.1.5 | AnttiSalonen |
| hogre-examples | 9 | 0.0 | 1 | Examples for using Hogre. | (graphics, mit, program) | 2012-04-05 | 0.1.4 | AnttiSalonen |
| hoist-error | 34 | 0.0 | 4 | Some convenience facilities for hoisting errors into a monad | (control, library, mit) | 2025-07-01 | 0.3.1.0 | JonSterling, schalmers, qfpl, jack |
| hol | 7 | 0.0 | 1 | Higher order logic | (library, logic, mit, program) | 2022-08-08 | 1.4 | JoeHurd |
| holidays | 6 | 0.0 | 0 | Library for country public holidays | (date, library, mit) | 2025-02-17 | 0.2.0.0 | danielc777888 |
| holmes | 7 | 2.0 | 0 | Tools and combinators for solving constraint problems. | (data, library, mit) | 2021-01-04 | 0.3.2.0 | i_am_tom |
| holy-project | 13 | 2.0 | 1 | Start your Haskell project with cabal, git and tests. | (development, library, mit, program) | 2015-08-24 | 0.2.0.1 | yogsototh |
| homura-stopwatch | 3 | 0.0 | 0 | (library, mit, program, unclassified) | 2020-09-30 | 0.2.0 | ncaq | |
| honi | 2 | 0.0 | 1 | OpenNI 2 binding | (graphics, library, mit) | 2014-02-10 | 0.1.0.0 | NiklasHambuechen, PatrickChilton |
| hoobuddy | 5 | 0.0 | 1 | Simple tool for fetching and merging hoogle data | (development, mit, program) | 2015-01-07 | 0.1.0.1 | gilligan |
| hoop | 1 | 0.0 | 0 | Object-Oriented Programming in Haskell | (language, library, mit) | 2020-07-04 | 0.3.0.0 | mbg |
| hopfield | 3 | 0.0 | 1 | Hopfield Networks, Boltzmann Machines and Clusters | (ai, library, machine-learning, mit, program) | 2014-04-09 | 0.1.0.2 | NiklasHambuechen |
| hopfield-networks | 1 | 2.0 | 1 | Hopfield Networks for unsupervised learning in Haskell | (library, math, mit, program) | 2013-11-20 | 0.1.0.0 | ajtulloch |
| horizon-gen-nix | 14 | 0.0 | 0 | Generate nix expressions from horizon-spec definitions | (library, mit, nix, package-management, program) | 2023-02-04 | 0.6 | locallycompact |
| horizon-spec | 22 | 0.0 | 3 | Horizon Stable Package Set Type Definitions | (library, mit, package-management) | 2023-03-05 | 0.9.0 | locallycompact, milloni |
| horizon-spec-lens | 1 | 0.0 | 0 | Horizon Stable Package Set Lenses | (library, mit, package-management) | 2023-02-23 | 0.1 | locallycompact |
| horizon-spec-pretty | 2 | 0.0 | 0 | Horizon Stable Package Set Pretty Printer | (library, mit, package-management) | 2023-02-24 | 0.0.1 | locallycompact |
| horizontal-rule | 4 | 0.0 | 0 | horizontal rule for the terminal | (library, mit, program, utils) | 2024-12-04 | 0.7.0.0 | TravisCardwell |
| hostaddress | 4 | 0.0 | 0 | Network Host Addresses | (library, mit, network) | 2021-10-23 | 0.2.0.0 | larsk |
| houseman | 1 | 0.0 | 0 | A Haskell implementation of Foreman | (development, library, mit, program) | 2016-05-06 | 0.1.0 | DaisukeFujimura |
| hpack | 180 | 2.0 | 10 | A modern format for Haskell packages | (development, library, mit, program) | 2025-04-02 | 0.38.1 | SimonHengel, SoenkeHahn, mpilgrem |
| hpack-convert | 11 | 2.0 | 1 | Convert Cabal manifests into hpack's package.yamls | (development, library, mit, program) | 2017-06-22 | 1.0.1 | yamadapc |
| hpdft | 11 | 0.0 | 1 | A tool for looking through PDF file using Haskell | (library, mit, pdf, program) | 2023-08-22 | 0.1.1.3 | keiichiroShikano |
| hpygments | 7 | 0.0 | 2 | Highlight source code using Pygments | (library, mit, text) | 2016-01-07 | 0.2.0 | DavidLazar, yamadapc |
| hpyrg | 2 | 0.0 | 1 | pyrg utility done right | (mit, program, text) | 2012-10-15 | 0.1.0.0 | MatveyAksenov |
| hquery | 7 | 0.0 | 2 | A query language for transforming HTML5 | (library, mit, web) | 2014-06-03 | 0.1.1.0 | TychoAndersen |
| hreader-lens | 7 | 0.0 | 1 | Optics for hreader package | (data, library, mit) | 2017-05-31 | 0.1.3.0 | dredozubov |
| hreq-client | 3 | 0.0 | 1 | A Type dependent Highlevel HTTP client library. | (library, mit, network, program, web) | 2019-11-26 | 0.1.1.0 | epicallan |
| hreq-conduit | 2 | 0.0 | 0 | Conduit streaming support for Hreq. | (conduit, library, mit, network, web) | 2019-11-13 | 0.1.0.0 | epicallan |
| hreq-core | 3 | 0.0 | 2 | Core functionality for Hreq Http client library | (library, mit, network, web) | 2019-11-26 | 0.1.1.0 | epicallan |
| hriemann | 18 | 0.0 | 0 | A Riemann Client for Haskell | (library, mit, monitoring, program) | 2020-12-04 | 0.3.3.4 | shmish111 |
| hs-asapo | 3 | 0.0 | 0 | Haskell bindings for ASAP:O | (distributed-computing, ffi, library, mit, system) | 2024-08-26 | 0.9.0 | pimiddy |
| hs-carbon | 8 | 0.0 | 1 | A Haskell framework for parallel monte carlo simulations | (library, mit, simulation) | 2015-07-23 | 0.1.1.0 | cholmgreen |
| hs-carbon-examples | 2 | 0.0 | 1 | Example Monte Carlo simulations implemented with Carbon | (mit, program, simulation) | 2014-06-10 | 0.0.0.1 | cholmgreen |
| hs-duktape | 21 | 0.0 | 1 | Haskell bindings for a very compact embedded ECMAScript (JavaScript) engine. | (library, mit, web) | 2019-02-28 | 1.0.0 | valpackett |
| hs-gen-iface (deprecated) | 5 | 0.0 | 1 | Utility to generate haskell-names interface files | (deprecated, language, mit, program) | 2014-11-26 | 0.5.0 | AdamBergmark, RomanCheplyaka, PhilippSchuster |
| hs-highlight | 6 | 2.0 | 0 | A tool to highlight terminal strings | (development, library, mit, program) | 2025-02-26 | 1.0.4 | lorenzo_wb |
| hs-inspector | 16 | 0.0 | 1 | Haskell source code analyzer | (language, library, mit) | 2015-05-14 | 0.5.2.0 | flbulgarelli |
| hs-mesos | 4 | 0.0 | 1 | (library, mit, program, system) | 2015-06-04 | 0.20.3.0 | IanDuncan | |
| hs-nombre-generator | 2 | 0.0 | 1 | Name generator. | (mit, program, web) | 2014-06-25 | 0.2.1.0 | alvare |
| hs-opentelemetry-awsxray | 3 | 0.0 | 0 | [synopsis] | (library, mit, utils) | 2023-03-01 | 0.1.0.1 | PatrickBrisbin, dukerutledge, mjgpy3, chris_martin, FreckleEngineering, OlaoluwaM |
| hs-re | 1 | 0.0 | 1 | Easy to use Regex | (library, mit, unclassified) | 2015-02-26 | 0.1.0 | SKAhack |
| hs-scrape | 1 | 0.0 | 1 | Simple and easy web scraping and automation in Haskell. | (library, mit, web) | 2014-12-29 | 0.1.0.0 | codygman |
| hs-sdl-term-emulator | 1 | 0.0 | 0 | Terminal Emulator written in Haskell, SDL2 Backend | (library, mit, program, terminal) | 2021-07-30 | 0.1.0.4 | BitConnor |
| hs-snowtify | 1 | 0.0 | 1 | snowtify send your result of `stack build` (`stack test`) to notify-daemon :dog2: | (mit, program, simple) | 2017-07-22 | 0.1.0.0 | aiya000 |
| hs-tags | 4 | 0.0 | 0 | Create tag files (ctags and etags) for Haskell code. | (development, mit, program) | 2022-01-10 | 0.1.5.3 | AndreasAbel, AndresSicardRamirez, NilsAndersDanielsson, UlfNorell |
| hs-tango | 6 | 0.0 | 0 | Bindings to the Tango Controls system | (bindings, client, distributed-systems, ffi, foreign, hardware, library, mit, science) | 2025-03-07 | 2.0.1 | pimiddy |
| hs-term-emulator | 8 | 0.0 | 1 | Terminal Emulator written in 100% Haskell | (library, mit, terminal) | 2021-07-30 | 0.1.0.4 | BitConnor |
| hs-watchman | 11 | 0.0 | 1 | Client library for Facebook's Watchman tool | (library, mit, system) | 2021-03-15 | 0.0.1.0 | BitConnor |
| hs2048 (deprecated) | 0 | 0.0 | 1 | A 2048 clone in Haskell. | (deprecated, game, library, mit, program) | 2014-04-02 | 0.1.0 | taylorfausak, fozworth |
| hs2ps | 8 | 0.0 | 0 | Translate Haskell types to PureScript | (library, mit, purescript) | 2020-02-14 | 0.1.4.0 | WilliamRusnack |
| hsass | 12 | 0.0 | 5 | Integrating Sass into Haskell applications. | (library, mit, text) | 2018-11-25 | 0.8.0 | jakubfijalkowski |
| hsbc | 6 | 0.0 | 1 | A command line calculator | (mit, program, utilities) | 2017-01-16 | 0.1.1.0 | georgerogers42 |
| hscaffold | 10 | 0.0 | 0 | Very simple file/directory structure scaffolding writer monad EDSL | (development, library, mit, program) | 2016-11-15 | 0.4.5.0 | yamadapc |
| hse-cpp | 2 | 2.0 | 4 | Preprocess+parse haskell code | (language, library, mit) | 2016-10-06 | 0.2 | AdamBergmark, DavidHimmelstrup, RomanCheplyaka, PhilippSchuster |
| hserv | 4 | 0.0 | 1 | Simple http server in haskell. | (mit, network, program) | 2014-04-07 | 0.1.0.3 | rejuvyesh |
| hsfilt | 1 | 0.0 | 1 | Z-decoder. | (development, mit, program) | 2014-11-03 | 0.1.0.0 | OmerAgacan |
| hsilop | 6 | 0.0 | 1 | RPN calculator | (math, mit, program) | 2015-09-19 | 0.2.0.0 | rnhmjoj |
| hslua | 68 | 2.5 | 18 | Bindings to Lua, an embeddable scripting language | (foreign, library, mit) | 2025-06-23 | 2.4.0 | GracjanPolak, OmerAgacan, tarleb |
| hslua-aeson | 53 | 0.0 | 4 | Allow aeson data types to be used with Lua. | (foreign, library, mit) | 2024-07-09 | 2.3.1.1 | tarleb |
| hslua-classes | 6 | 0.0 | 1 | Type classes for HsLua | (foreign, library, mit) | 2024-01-18 | 2.3.1 | tarleb |
| hslua-cli | 14 | 0.0 | 0 | Command-line interface for Lua | (foreign, library, mit) | 2024-06-28 | 1.4.3 | tarleb |
| hslua-core | 28 | 2.0 | 18 | Bindings to Lua, an embeddable scripting language | (foreign, library, mit) | 2024-01-18 | 2.3.2 | tarleb |
| hslua-examples | 3 | 0.0 | 0 | Examples of how to combine Haskell and Lua. | (foreign, mit, program) | 2023-03-13 | 2.0.2 | tarleb |
| hslua-list | 8 | 0.0 | 2 | Opinionated, but extensible Lua list type. | (foreign, library, mit) | 2024-10-01 | 1.1.4 | tarleb |
| hslua-marshalling | 8 | 0.0 | 16 | Marshalling of values between Haskell and Lua. | (foreign, library, mit) | 2024-01-18 | 2.3.1 | tarleb |
| hslua-module-doclayout | 13 | 0.0 | 2 | Lua module wrapping Text.DocLayout. | (foreign, library, mit) | 2025-06-23 | 1.2.0.1 | JohnMacFarlane, tarleb |
| hslua-module-path | 20 | 0.0 | 2 | Lua module to work with file paths. | (foreign, library, mit) | 2024-01-18 | 1.1.1 | tarleb |
| hslua-module-system | 24 | 0.0 | 2 | Lua module wrapper around Haskell's System module. | (foreign, library, mit) | 2025-07-23 | 1.2.1.1 | tarleb |
| hslua-module-text | 36 | 0.0 | 2 | Lua module for text | (foreign, library, mit) | 2024-01-18 | 1.1.1 | tarleb |
| hslua-module-version | 6 | 0.0 | 2 | Lua module to work with version specifiers. | (foreign, library, mit) | 2024-01-18 | 1.1.1 | tarleb |
| hslua-module-zip | 3 | 0.0 | 1 | Lua module to work with file zips. | (foreign, library, mit) | 2025-06-23 | 1.1.4 | tarleb |
| hslua-objectorientation | 16 | 0.0 | 2 | Object orientation tools for HsLua | (foreign, library, mit) | 2025-06-23 | 2.4.0 | tarleb |
| hslua-packaging | 27 | 0.0 | 6 | Utilities to build Lua modules. | (foreign, library, mit) | 2025-06-23 | 2.3.2 | tarleb |
| hslua-repl | 7 | 0.0 | 2 | Isocline-based Lua REPL | (foreign, library, mit) | 2024-01-18 | 0.1.2 | tarleb |
| hslua-typing | 1 | 0.0 | 4 | Type specifiers for Lua. | (foreign, library, mit) | 2024-01-18 | 0.1.1 | tarleb |
| hspec | 451 | 2.75 | 171 | A Testing Framework for Haskell | (library, mit, testing) | 2025-03-17 | 2.11.12 | SimonHengel, SoenkeHahn, parsonsmatt |
| hspec-annotated-exception | 1 | 0.0 | 0 | Hspec hook that unwraps test failures from AnnotatedException | (library, mit, utils) | 2025-06-03 | 0.0.0.0 | PatrickBrisbin, dukerutledge, mjgpy3, chris_martin, FreckleEngineering, OlaoluwaM |
| hspec-api | 34 | 0.0 | 3 | A Testing Framework for Haskell | (library, mit, testing) | 2025-03-17 | 2.11.12 | SimonHengel |
| hspec-contrib | 13 | 0.0 | 3 | Contributed functionality for Hspec | (library, mit, testing) | 2023-01-30 | 0.5.2 | SimonHengel |
| hspec-core | 228 | 0.0 | 38 | A Testing Framework for Haskell | (library, mit, testing) | 2025-03-17 | 2.11.12 | SimonHengel, SoenkeHahn, parsonsmatt |
| hspec-discover | 138 | 2.25 | 6 | Automatically discover and run Hspec tests | (library, mit, program, testing) | 2025-03-17 | 2.11.12 | SimonHengel, SoenkeHahn, parsonsmatt |
| hspec-expectations | 65 | 0.0 | 32 | Catchy combinators for HUnit | (library, mit, testing) | 2023-07-19 | 0.8.4 | SimonHengel, SoenkeHahn, parsonsmatt |
| hspec-expectations-json | 10 | 0.0 | 0 | Hspec expectations for JSON Values | (library, mit, test) | 2023-11-01 | 1.0.2.1 | PatrickBrisbin, dukerutledge, mjgpy3, chris_martin, FreckleEngineering, OlaoluwaM |
| hspec-expectations-lifted | 7 | 0.0 | 3 | A version of hspec-expectations generalized to MonadIO | (library, mit, testing) | 2017-03-31 | 0.10.0 | SimonHengel |
| hspec-expectations-pretty (deprecated in favor of hspec-expectations-pretty-diff) | 2 | 1.25 | 1 | hspec-expectations with pretty printing on failure | (deprecated, library, mit, testing) | 2013-09-02 | 0.1 | GregWeber |
| hspec-expectations-pretty-diff | 14 | 0.0 | 1 | Catchy combinators for HUnit | (library, mit, testing) | 2022-01-07 | 0.7.2.6 | valpackett |
| hspec-experimental | 1 | 0.0 | 1 | An experimental DSL for testing on top of Hspec | (library, mit, testing) | 2012-11-11 | 0.1.0 | SimonHengel |
| hspec-golden | 23 | 0.0 | 1 | Golden tests for hspec | (library, mit, program, testing) | 2024-04-12 | 0.2.2.0 | stackbuilders, camm |
| hspec-jenkins | 4 | 0.0 | 1 | Jenkins-friendly XML formatter for Hspec | (library, mit, testing) | 2013-05-06 | 0.1.1 | KoheiSuzuki |
| hspec-junit-formatter | 20 | 0.0 | 1 | A JUnit XML runner/formatter for hspec | (library, mit, testing) | 2024-07-03 | 1.1.2.1 | PatrickBrisbin, dukerutledge, mjgpy3, chris_martin, FreckleEngineering, OlaoluwaM |
| hspec-laws | 2 | 0.0 | 1 | Document and test laws for standard type classes | (library, mit, testing) | 2014-08-21 | 0.0.0 | SimonHengel |
| hspec-meta | 77 | 0.0 | 1 | A version of Hspec which is used to test Hspec itself | (library, mit, program, testing) | 2025-03-17 | 2.11.12 | SimonHengel, SoenkeHahn, parsonsmatt |
| hspec-setup | 6 | 0.0 | 0 | Add an hspec test-suite in one command | (development, library, mit, program) | 2016-08-22 | 0.2.1.0 | yamadapc |
| hspec-shouldbe (deprecated in favor of hspec) | 2 | 0.0 | 1 | Convenience wrapper and utilities for hspec | (deprecated, library, mit, testing) | 2015-04-04 | 0.0.1 | |
| hspec-smallcheck | 14 | 0.0 | 4 | SmallCheck support for the Hspec testing framework | (library, mit, testing) | 2022-05-12 | 0.5.3 | SimonHengel, parsonsmatt |
| hspec-structured-formatter | 5 | 0.0 | 1 | (library, mit, test) | 2016-01-10 | 0.1.0.3 | flbulgarelli | |
| hspec-tables | 1 | 0.0 | 0 | Table-driven (by-example) HSpec tests | (library, mit, testing) | 2020-04-27 | 0.0.1 | rzeznik |
| hspec-test-framework | 6 | 0.0 | 2 | Run test-framework tests with Hspec | (library, mit, testing) | 2014-11-19 | 0.1.0 | SimonHengel |
| hspec-test-framework-th | 4 | 0.0 | 1 | Run test-framework tests with Hspec | (library, mit, testing) | 2014-11-19 | 0.1.0 | SimonHengel |
| hspec-wai | 39 | 2.0 | 4 | Experimental Hspec support for testing WAI applications | (library, mit, testing) | 2020-12-16 | 0.11.1 | DaisukeFujimura, SimonHengel |
| hspec-wai-json | 18 | 0.0 | 1 | Testing JSON APIs with hspec-wai | (library, mit, testing) | 2020-09-26 | 0.11.0 | SimonHengel |
| hspec-webdriver | 21 | 2.0 | 1 | Write end2end web application tests using webdriver and hspec | (library, mit, web) | 2023-06-15 | 1.2.2 | JohnLenz, dfordivam |
| hspec-yesod | 3 | 0.0 | 0 | A variation of yesod-test that follows hspec idioms more closely | (library, mit, testing, web, yesod) | 2024-06-06 | 0.1.0 | parsonsmatt |
| hspec2 (deprecated in favor of hspec) | 26 | 0.0 | 5 | Alpha version of Hspec 2.0 | (deprecated, library, mit, testing) | 2014-11-12 | 0.6.1 | |
| hspkcs11 | 13 | 0.0 | 1 | Wrapper for PKCS #11 interface | (cryptography, hsm, library, mit, pkcs11, smartcard, token) | 2018-03-01 | 0.7 | denisenkom |
| hsreadability | 2 | 0.0 | 1 | Access to the Readability API. | (library, mit, network-apis, web) | 2015-04-19 | 1.0.0.0 | rasendubi |
| hssh | 2 | 0.0 | 1 | SSH protocol implementation | (library, mit, network) | 2018-10-31 | 0.1.0.0 | LarsPetersen |
| hsudoku | 4 | 2.0 | 0 | Sudoku game with a GTK3 interface | (game, library, mit, program) | 2017-05-16 | 0.1.1.0 | mmo |
| htestu | 4 | 0.0 | 1 | A library for testing correctness of pseudo random number generators in Haskell. | (library, mit, program, system) | 2016-08-08 | 0.1.1.2 | DominicSteinitz |
| html-conduit | 40 | 0.0 | 19 | Parse HTML documents using xml-conduit datatypes. | (conduit, library, mit, text, web) | 2021-08-16 | 1.3.2.2 | JensPetersen, MichaelSnoyman |
| html-entities | 27 | 0.0 | 16 | A codec library for HTML-escaped text and HTML-entities | (codecs, html, library, mit, parsing) | 2024-01-23 | 1.1.4.7 | NikitaVolkov |
| html-presentation-text | 6 | 0.0 | 0 | Simple tool to create html presentation for text. | (mit, program, web) | 2022-01-21 | 0.2.1.0 | OleksandrZhabenko |
| html-tokenizer | 26 | 0.0 | 1 | An "attoparsec"-based HTML tokenizer | (html, library, mit, parsing, xml) | 2018-02-05 | 0.6.4 | NikitaVolkov |
| htmx | 4 | 0.0 | 2 | Use htmx with various haskell libraries | (html, library, mit, web) | 2024-09-27 | 0.1.0.2 | JonathanLorimer |
| htmx-lucid | 4 | 0.0 | 1 | Use htmx with lucid | (html, library, mit, web) | 2024-09-27 | 0.2.0.1 | JonathanLorimer |
| htmx-servant | 6 | 0.0 | 0 | Use htmx with servant | (html, library, mit, web) | 2024-09-27 | 0.2.0.2 | JonathanLorimer |
| http-client | 351 | 2.25 | 590 | An HTTP client engine | (library, mit, network) | 2025-03-21 | 0.7.19 | MichaelSnoyman, SimonHengel, janus |
| http-client-brread-timeout | 4 | 0.0 | 2 | Http client with time-limited brRead | (library, mit, network) | 2022-06-28 | 0.1.1.0 | lyokha |
| http-client-conduit (deprecated in favor of http-conduit) | 3 | 0.0 | 6 | Frontend support for using http-client with conduit (deprecated) | (deprecated, library, mit, network) | 2014-04-02 | 0.3.0 | MichaelSnoyman, janus |
| http-client-multipart (deprecated in favor of http-client) | 1 | 0.0 | 4 | Generate multipart uploads for http-client. (deprecated) | (deprecated, library, mit, network) | 2014-04-02 | 0.3.0.0 | MichaelSnoyman |
| http-client-openssl | 16 | 2.0 | 14 | http-client backend using the OpenSSL library. | (library, mit, network) | 2020-11-17 | 0.3.3 | MichaelSnoyman, SimonHengel, alexbiehl, janus |
| http-client-restricted | 5 | 0.0 | 1 | restricting the servers that http-client will use | (library, mit, network) | 2023-08-01 | 0.1.0 | JoeyHess |
| http-client-session | 2 | 0.0 | 1 | A simple abstraction over the "http-client" connection manager | (library, mit, network) | 2016-07-07 | 0.1.2 | NikitaVolkov |
| http-client-tls | 41 | 0.0 | 326 | http-client backend using the connection package and tls library | (library, mit, network) | 2024-10-27 | 0.3.6.4 | MichaelSnoyman, SimonHengel, janus |
| http-directory | 21 | 0.0 | 0 | http directory listing library | (library, mit, network) | 2025-02-08 | 0.1.11 | JensPetersen |
| http-kit | 10 | 0.0 | 1 | A low-level HTTP library | (library, mit, network) | 2014-07-02 | 0.5.1 | SimonHengel |
| http-media | 73 | 0.0 | 164 | Processing HTTP Content-Type and Accept headers | (library, mit, web) | 2023-09-10 | 0.8.1.1 | TimothyJones |
| http-response-decoder | 4 | 0.0 | 1 | Declarative DSL for parsing an HTTP response | (library, mit, unclassified) | 2016-10-28 | 0.2.3 | NikitaVolkov |
| http-trace | 7 | 2.0 | 0 | Tracking http redirects | (library, mit, program, web) | 2016-06-20 | 0.1.1.1 | sigrlami |
| https-everywhere-rules | 4 | 0.0 | 1 | High-level access to HTTPS Everywhere rulesets. | (data, library, mit) | 2014-08-24 | 0.1.0 | vi |
| hunch | 5 | 0.0 | 1 | CSS-like syntax for file system manipulation. | (console, mit, program) | 2015-09-03 | 0.2.0 | loganbraga |
| hunit-dejafu | 49 | 0.0 | 1 | Deja Fu support for the HUnit test framework. | (library, mit, testing) | 2022-08-30 | 2.0.0.6 | barrucadu |
| hunit-rematch | 3 | 0.0 | 1 | HUnit support for rematch | (library, mit, testing) | 2013-05-20 | 0.1.0.1 | TomCrayford |
| hunt-searchengine | 2 | 0.0 | 1 | A search and indexing engine. | (data, library, mit, text) | 2015-03-03 | 0.3.0.1 | alexbiehl |
| hunt-server | 6 | 0.0 | 1 | A search and indexing engine server. | (data, mit, program, text) | 2015-03-01 | 0.3.0.2 | alexbiehl |
| hunt-server-cli | 1 | 0.0 | 1 | A Command line Interface for the Hunt server. | (console, mit, program) | 2015-02-27 | 0.2.0.0 | alexbiehl |
| husk-scheme | 140 | 2.0 | 3 | R5RS Scheme interpreter, compiler, and library. | (compilers-interpreters, language, library, mit, program) | 2021-02-04 | 3.20 | JustinEthier |
| husk-scheme-libs | 2 | 0.0 | 1 | Extra libraries for the husk Scheme platform. | (compilers-interpreters, language, library, mit) | 2012-06-13 | 0.0.1 | JustinEthier |
| hutton (deprecated) | 1 | 0.0 | 1 | A program for the button on Reddit. | (deprecated, mit, program, utility) | 2015-04-19 | 1.0.0 | fozworth |
| huzzy | 4 | 0.0 | 1 | Fuzzy logic library with support for T1, IT2, GT2. | (library, mit, unclassified) | 2014-08-05 | 0.1.5.5 | jna_sh |
| hvect | 6 | 0.0 | 12 | Simple strict heterogeneous lists | (data, library, mit) | 2022-02-07 | 0.4.0.1 | AlexanderThiemann, BrandonSimmons |
| hw-conduit | 18 | 0.0 | 6 | Conduits for tokenizing streams. | (conduit, data, library, mit) | 2022-03-25 | 0.2.1.1 | newhoggy, haskellworks, GeorgeWilson |
| hw-kafka-client | 45 | 2.25 | 9 | Kafka bindings for Haskell | (database, library, mit) | 2023-08-05 | 5.3.0 | newhoggy, alexeyraga |
| hw-kafka-conduit | 25 | 2.0 | 2 | Conduit bindings for hw-kafka-client | (database, library, mit) | 2020-04-14 | 2.7.0 | alexeyraga |
| hw-succinct | 28 | 0.0 | 2 | Succint datastructures | (conduit, data, library, mit) | 2016-10-24 | 0.1.0.1 | newhoggy, haskellworks |
| hwk | 7 | 0.0 | 0 | Commandline text processing with Haskell functions | (development, mit, program) | 2021-06-14 | 0.6 | JensPetersen |
| hwsl2 | 23 | 0.0 | 3 | Hashing with SL2 | (data, library, mit) | 2017-11-03 | 0.4.0.1 | srijs |
| hwsl2-bytevector | 1 | 0.0 | 1 | A hashed byte-vector based on algebraic hashes and finger trees | (data, library, mit) | 2015-07-15 | 0.1.0.0 | srijs |
| hwsl2-reducers | 0 | 0.0 | 1 | Semigroup and Reducer instances for Data.Hash.SL2 | (data, library, mit) | 2015-07-03 | 0.1.0.0 | srijs |
| hx | 5 | 0.0 | 3 | Haskell extras (missing utility functions). | (library, mit, utilities) | 2013-06-24 | 0.4 | JulianFleischer |
| hxt | 73 | 0.0 | 101 | A collection of tools for processing XML with Haskell. | (library, mit, xml) | 2021-03-21 | 9.3.1.22 | IsaacJones, UweSchmidt |
| hxt-charproperties | 12 | 0.0 | 10 | Character properties and classes for XML and Unicode | (library, mit, text) | 2021-02-08 | 9.5.0.0 | UweSchmidt |
| hxt-http | 10 | 0.0 | 2 | Interface to native Haskell HTTP package HTTP | (library, mit, xml) | 2015-02-06 | 9.1.5.2 | UweSchmidt |
| hxt-regex-xmlschema | 16 | 0.0 | 9 | A regular expression library for W3C XML Schema regular expressions | (library, mit, text) | 2021-02-08 | 9.2.0.7 | UweSchmidt |
| hxt-relaxng | 30 | 0.0 | 2 | The HXT RelaxNG validator | (library, mit, xml) | 2015-02-06 | 9.1.5.5 | UweSchmidt |
| hxt-unicode | 7 | 0.0 | 9 | Unicode en-/decoding functions for utf8, iso-latin-* and other encodings | (library, mit, text) | 2015-02-06 | 9.0.2.4 | UweSchmidt |
| hyakko | 22 | 0.0 | 1 | Literate-style Documentation Generator | (documentation, mit, program) | 2015-06-03 | 0.6.7 | JeremyHull |
| hydrogen-cli | 2 | 0.0 | 1 | Hydrogen Data | (language, mit, program) | 2015-01-08 | 0.14 | JulianFleischer |
| hydrogen-cli-args | 8 | 0.0 | 1 | Hydrogen Command Line Arguments Parser | (language, library, mit) | 2015-03-22 | 0.17 | JulianFleischer |
| hydrogen-multimap | 5 | 0.0 | 3 | Hydrogen Multimap | (language, library, mit) | 2015-03-26 | 0.3 | JulianFleischer |
| hydrogen-parsing | 7 | 0.0 | 3 | Hydrogen Parsing Utilities | (language, library, mit) | 2015-03-22 | 0.17 | JulianFleischer |
| hydrogen-prelude | 31 | 0.0 | 7 | Hydrogen Prelude | (language, library, mit) | 2015-03-26 | 0.20 | JulianFleischer |
| hydrogen-prelude-parsec | 1 | 0.0 | 1 | Hydrogen Prelude /w Parsec | (language, library, mit) | 2015-03-22 | 0.17 | JulianFleischer |
| hydrogen-version | 6 | 0.0 | 2 | Hydrogen Version Type | (language, library, mit) | 2015-03-26 | 1.4 | JulianFleischer |
| hylide | 3 | 0.0 | 0 | WebGL live-coding environment for writing shaders with Hylogen | (graphics, library, mit, program) | 2016-10-29 | 0.1.5.1 | sleexyz |
| hylogen | 31 | 2.25 | 1 | GLSL embedded in Haskell | (graphics, library, mit) | 2016-10-29 | 0.1.5.1 | sleexyz |
| hypher | 7 | 0.0 | 1 | A Haskell neo4j client | (database, library, mit) | 2015-02-15 | 0.1.5 | jetaggart |
| i3blocks-hs-contrib | 4 | 2.0 | 0 | Base i3blocks written in haskell | (distribution, library, mit, program) | 2020-04-25 | 2.1.0 | panavtec |
| iap-verifier | 3 | 0.0 | 1 | A simple wrapper of In-App-Purchase receipt validate APIs. | (library, mit, network) | 2015-05-26 | 0.1.0.1 | tattsun |
| icfpc2020-galaxy | 4 | 0.0 | 0 | A strange message received at the Pegovka observatory | (acme, library, mit) | 2020-08-04 | 0.2.0.0 | mniip |
| ide-backend | 30 | 0.0 | 2 | An IDE backend library | (development, library, mit, program) | 2016-01-06 | 0.10.0.1 | MichaelSloan, MichaelSnoyman |
| ide-backend-common | 14 | 0.0 | 2 | Shared library used be ide-backend and ide-backend-server | (development, library, mit) | 2016-01-06 | 0.10.1.2 | MichaelSloan, MichaelSnoyman |
| ide-backend-rts (deprecated in favor of ide-backend-server) | 2 | 0.0 | 1 | RTS for the IDE backend | (deprecated, development, library, mit) | 2015-03-30 | 0.1.3.1 | MichaelSloan, MichaelSnoyman |
| ide-backend-server | 4 | 0.0 | 1 | An IDE backend server | (development, mit, program) | 2016-01-10 | 0.10.0.2 | MichaelSloan, MichaelSnoyman |
| idempotent | 4 | 0.0 | 1 | Idempotent monoids | (data, library, mit) | 2014-08-18 | 0.1.2 | alynn |
| ihaskell | 95 | 2.5 | 19 | A Haskell backend kernel for the Jupyter project. | (development, library, mit, program) | 2024-11-03 | 0.12.0.0 | gibiansky, VaibhavSagar |
| ihaskell-aeson | 4 | 0.0 | 1 | IHaskell display instances for Aeson | (development, library, mit) | 2017-12-24 | 0.3.0.1 | gibiansky, VaibhavSagar |
| ihaskell-basic | 3 | 0.0 | 1 | IHaskell display instances for basic types | (development, library, mit) | 2015-06-24 | 0.3.0.0 | gibiansky, VaibhavSagar |
| ihaskell-blaze | 5 | 0.0 | 3 | IHaskell display instances for blaze-html types | (development, library, mit) | 2017-12-24 | 0.3.0.1 | gibiansky, VaibhavSagar |
| ihaskell-charts | 6 | 0.0 | 1 | IHaskell display instances for charts types | (development, library, mit) | 2017-12-24 | 0.3.0.1 | gibiansky, VaibhavSagar |
| ihaskell-diagrams | 11 | 0.0 | 1 | IHaskell display instances for diagram types | (development, library, mit) | 2023-11-08 | 0.4.0.0 | gibiansky, VaibhavSagar |
| ihaskell-display (deprecated in favor of ihaskell) | 0 | 0.0 | 1 | IHaskell display instances for basic types | (deprecated, development, library, mit) | 2014-01-10 | 0.1.0.0 | gibiansky, VaibhavSagar |
| ihaskell-gnuplot | 2 | 0.0 | 1 | IHaskell display instance for Gnuplot (from gnuplot package) | (development, library, mit) | 2017-12-24 | 0.1.0.1 | VaibhavSagar |
| ihaskell-graphviz | 1 | 0.0 | 0 | IHaskell display instance for GraphViz (external binary) | (development, library, mit) | 2019-04-26 | 0.1.0.0 | VaibhavSagar |
| ihaskell-hatex | 3 | 0.0 | 1 | IHaskell display instances for hatex | (development, library, mit) | 2017-12-24 | 0.2.1.1 | gibiansky, VaibhavSagar |
| ihaskell-juicypixels | 4 | 0.0 | 1 | IHaskell - IHaskellDisplay instances of the image types of the JuicyPixels package. | (development, library, mit) | 2017-12-24 | 1.1.0.1 | gibiansky, VaibhavSagar |
| ihaskell-magic | 9 | 0.0 | 1 | IHaskell display instances for bytestrings | (development, library, mit) | 2017-12-24 | 0.3.0.1 | gibiansky, VaibhavSagar |
| ihaskell-parsec | 4 | 0.0 | 1 | IHaskell display instances for Parsec | (development, library, mit) | 2015-06-24 | 0.3.0.0 | gibiansky, VaibhavSagar |
| ihaskell-plot | 7 | 0.0 | 1 | IHaskell display instance for Plot (from plot package) | (development, library, mit) | 2017-12-24 | 0.3.0.1 | gibiansky, VaibhavSagar |
| ihaskell-widgets | 17 | 0.0 | 1 | IPython standard widgets for IHaskell. | (library, mit, unclassified) | 2023-11-08 | 0.4.0.0 | gibiansky, VaibhavSagar |
| ihp-hsx | 14 | 0.0 | 0 | JSX-like but for Haskell | (html, library, mit) | 2025-02-20 | 1.4.1 | MarcScholten |
| ihp-openai | 1 | 0.0 | 0 | Call GPT4 from your Haskell apps | (ai, library, mit) | 2024-07-21 | 1.3.0 | MarcScholten |
| immortal | 3 | 0.0 | 8 | Spawn threads that never die (unless told to do so) | (concurrency, library, mit) | 2018-04-16 | 0.3 | RomanCheplyaka |
| immortal-worker | 1 | 0.0 | 0 | Create worker threads that logs exceptions and restarts. | (concurrency, library, mit) | 2020-10-04 | 0.1.0.0 | NCrashed |
| imp | 12 | 0.0 | 0 | A GHC plugin for automatically importing modules. | (library, mit, plugin) | 2025-05-22 | 1.0.3.3 | fozworth |
| impl | 3 | 0.0 | 0 | Framework for defaulting superclasses | (development, library, mit, template-haskell) | 2018-11-27 | 0.2.0.0 | dailectic |
| import-style-plugin | 1 | 0.0 | 0 | Helps maintain consistency of imports | (development, library, mit) | 2024-04-30 | 0.1.0.0 | goosedb |
| importify | 2 | 0.0 | 0 | Tool for haskell imports refactoring | (development, library, mit, program, refactoring) | 2017-12-23 | 1.0.1 | serokell |
| imports | 5 | 2.0 | 1 | Generate code for importing directories automatically | (development, library, mit) | 2016-01-21 | 0.2.0.0 | CindyLinz |
| inchworm | 18 | 0.0 | 1 | Simple parser combinators for lexical analysis. | (library, mit, parsing) | 2019-01-02 | 1.1.1.2 | BenLippmeier |
| indexation | 46 | 0.0 | 1 | Tools for entity indexation | (data, library, mit) | 2018-10-08 | 0.8 | NikitaVolkov, IrinaArtemeva, OShev |
| indices | 9 | 0.0 | 1 | Multi-dimensional statically bounded indices. | (data, library, mit) | 2014-12-30 | 1.7.1 | MikeLedger |
| indigo | 12 | 0.0 | 0 | Convenient imperative eDSL over Lorentz. | (language, library, mit, program) | 2023-03-31 | 0.6.0 | gromak, pasqu4le, serokell, rinn7e |
| infer-license | 5 | 0.0 | 1 | Infer software license from a given license file | (development, library, mit) | 2018-07-15 | 0.2.0 | SimonHengel |
| infer-upstream | 2 | 0.0 | 1 | Find the repository from where a given repo was forked | (development, mit, program) | 2014-08-15 | 0.1.1.0 | NoonSilk |
| inferno-core | 2 | 0.0 | 1 | A statically-typed functional scripting language | (dsl, library, mit, scripting) | 2022-11-29 | 0.1.0.0 | sidk |
| inferno-lsp | 3 | 0.0 | 0 | LSP for Inferno | (dsl, ide, library, mit, program, scripting) | 2022-11-29 | 0.1.0 | sidk |
| inferno-types | 4 | 0.0 | 3 | Core types for Inferno | (dsl, library, mit, scripting) | 2022-11-29 | 0.1.0.0 | sidk |
| inferno-vc | 3 | 0.0 | 1 | Version control server for Inferno | (dsl, library, mit, scripting) | 2022-11-29 | 0.1.0 | sidk |
| inflections | 44 | 2.0 | 7 | Inflections library for Haskell | (library, mit, text) | 2023-08-08 | 0.4.0.7 | jsl, stackbuilders, sestrella, camm, elcuy, DiegoCenteno |
| inject | 0 | 0.0 | 1 | A minimalistic template engine | (library, mit, program, text) | 2013-06-09 | 0.1.0 | SimonHengel |
| inline-c | 64 | 2.5 | 48 | Write Haskell source files including C code inline. No FFI required. | (ffi, library, mit) | 2023-09-29 | 0.9.1.10 | FrancescoMazzoli, RobertHensing, junjihashimoto |
| inline-c-cpp | 34 | 0.0 | 12 | Lets you embed C++ code into Haskell. | (ffi, library, mit) | 2023-09-29 | 0.5.0.2 | FrancescoMazzoli, RobertHensing, junjihashimoto |
| inline-c-cuda | 1 | 0.0 | 0 | Lets you embed CUDA code into Haskell. | (ffi, library, mit) | 2023-09-29 | 0.1.0.0 | junjihashimoto |
| inline-c-objc | 0 | 0.0 | 0 | Lets you embed Objective-C code into Haskell. | (ffi, library, mit) | 2023-05-20 | 0.1.0.0 | FrancescoMazzoli, junjihashimoto |
| inline-c-win32 | 2 | 0.0 | 1 | Win32 API Context for the inline-c library | (ffi, library, mit) | 2015-06-10 | 0.1 | anton_dessiatov |
| inliterate | 2 | 2.0 | 2 | Interactive literate programming | (library, mit, program, statistics) | 2017-06-06 | 0.1.0 | glutamate, ocramz |
| inserts | 4 | 0.0 | 1 | Stupid simple bytestring templates. | (library, mit, text) | 2015-01-13 | 0.1.2 | JosephAbrahamson |
| inspection-testing | 56 | 2.5 | 3 | GHC plugin to do inspection testing | (compiler-plugin, library, mit, testing) | 2025-06-13 | 0.6.2 | JoachimBreitner |
| instana-haskell-trace-sdk | 22 | 2.0 | 0 | SDK for adding custom Instana tracing support to Haskell applications. | (library, mit, monitoring, program) | 2023-05-24 | 0.10.2.0 | basti1302, pvital |
| int-interval-map | 4 | 0.0 | 1 | Interval map | (data, library, mit) | 2022-06-02 | 0.0.1.0 | luispedro |
| int-multimap | 16 | 0.0 | 1 | A data structure that associates each Int key with a set of values | (containers, library, mit) | 2018-05-21 | 0.3.1 | NikitaVolkov, effectfully, IrinaArtemeva, vlastachu, izubkov, OShev |
| integer-logarithms | 10 | 0.0 | 27 | Integer logarithms. | (algorithms, library, math, mit, number-theory) | 2024-12-20 | 1.0.4 | phadej |
| integer-roots | 7 | 0.0 | 5 | Integer roots and perfect powers | (algorithms, library, math, mit, number-theory) | 2025-07-16 | 1.0.3.0 | Bodigrim |
| intelli-monad | 3 | 0.0 | 0 | Type level prompt with openai. | (development, library, mit, program) | 2024-03-30 | 0.1.0.2 | junjihashimoto |
| interact | 2 | 2.0 | 0 | instantly create REPL from any function | (library, mit, repl, system) | 2020-06-21 | 0.2.0.0 | epoberezkin |
| interchangeable (deprecated) | 6 | 0.0 | 1 | A type class for interchangeable data. | (control, deprecated, library, mit) | 2015-01-18 | 0.2.0.0 | arowM |
| interlude-l | 34 | 0.0 | 2 | Prelude replacement based on protolude | (library, mit, prelude) | 2018-12-02 | 0.5.0.0 | darwin226 |
| intermediate-structures | 4 | 0.0 | 4 | Some simple functions to deal with transformations from structures to other ones, basically lists. | (data, library, mit) | 2024-09-28 | 0.1.2.0 | OleksandrZhabenko |
| interpolate | 13 | 2.0 | 18 | String interpolation done right | (data, library, mit, text) | 2020-06-05 | 0.2.1 | SimonHengel |
| interpolator | 11 | 0.0 | 0 | Runtime interpolation of environment variables in records using profunctors | (data, library, mit) | 2020-07-13 | 1.1.0.2 | asariley, dfithian, MossPrescott |
| interspersed | 5 | 0.0 | 1 | An abstraction over interspersing monadic actions | (control, library, mit) | 2016-06-02 | 0.1.2 | NikitaVolkov |
| interval-tree-clock | 6 | 2.0 | 0 | Interval Tree Clocks | (data, data-structures, distributed-computing, library, mit) | 2022-07-13 | 0.2.0.0 | arnemileswinter |
| intrinsic-superclasses | 4 | 2.0 | 1 | A quasiquoter for better instance deriving and default methods | (language, library, mit) | 2018-07-14 | 0.4.0.0 | dailectic |
| intro | 41 | 0.0 | 2 | Safe and minimal prelude | (library, mit, prelude) | 2020-08-28 | 0.9.0.0 | minad |
| intro-prelude | 0 | 0.0 | 1 | Intro reexported as Prelude | (library, mit, prelude) | 2016-12-30 | 0.1.0.0 | minad |
| introduction | 1 | 0.0 | 1 | A prelude for safe new projects | (library, mit, prelude) | 2016-09-30 | 0.0.1.0 | Norfair |
| introduction-test | 1 | 0.0 | 1 | A prelude for the tests of safe new projects | (library, mit, testing) | 2016-09-30 | 0.0.1.0 | Norfair |
| io-throttle | 3 | 0.0 | 1 | Limit number of IO actions started per second | (concurrency, library, mit) | 2014-09-06 | 0.1.0 | rodrigosetti |
| ioctl | 0 | 0.0 | 8 | Type-safe I/O control package | (data, library, mit, system) | 2010-02-20 | 0.0.1 | MaciejPiechotka |
| ioref-stable | 3 | 0.0 | 1 | iorefs with a unique stable index | (library, mit, unknown) | 2016-05-17 | 0.1.1.0 | cocreature |
| iostring | 1 | 0.0 | 2 | A class of strings that can be involved in IO. | (cssyd, library, mit) | 2017-02-15 | 0.0.0.0 | Norfair |
| iothread | 0 | 0.0 | 1 | run IOs in a single thread | (concurrency, library, mit) | 2015-01-22 | 0.1.0.0 | tattsun |
| iotransaction | 1 | 0.0 | 1 | Supports the automatic undoing of IO operations when an exception is thrown. | (control, library, mit) | 2013-05-04 | 0.1 | DylanShearer |
| ip-quoter | 3 | 0.0 | 1 | Quasiquoter for IP addresses | (library, mit, network) | 2015-06-24 | 1.0.1.1 | shlevy |
| ip2location | 19 | 0.0 | 1 | IP2Location Haskell package for IP geolocation. | (development, library, mit) | 2024-12-04 | 8.5.1 | ip2location |
| ip2location-io | 2 | 0.0 | 0 | IP2Location.io Haskell package for IP geolocation and domain WHOIS. | (development, library, mit) | 2025-04-28 | 1.1.0 | ip2location |
| ip2proxy | 15 | 0.0 | 0 | IP2Proxy Haskell package for proxy detection. | (development, library, mit) | 2025-02-18 | 3.3.0 | ip2location |
| ipcvar | 1 | 0.0 | 1 | Simple inter-process communication through IPCVars. | (library, mit, system) | 2018-05-18 | 0.1.1 | JohnWiegley |
| ipython-kernel | 30 | 0.0 | 4 | A library for creating kernels for IPython frontends | (development, library, mit) | 2023-11-08 | 0.11.0.0 | gibiansky, VaibhavSagar |
| irc-client | 48 | 0.0 | 1 | An IRC client library. | (library, mit, network) | 2022-12-31 | 1.1.2.3 | barrucadu |
| irc-conduit | 31 | 0.0 | 3 | Streaming IRC message library using conduits. | (library, mit, network) | 2022-12-31 | 0.3.0.6 | barrucadu |
| irc-ctcp | 5 | 0.0 | 4 | A CTCP encoding and decoding library for IRC clients. | (library, mit, network) | 2021-08-15 | 0.1.3.1 | barrucadu |
| irc-dcc | 15 | 0.0 | 0 | A DCC message parsing and helper library for IRC clients | (library, mit, network) | 2017-03-19 | 2.0.1 | JanGerlinger |
| iri | 16 | 0.0 | 3 | RFC-compliant universal resource identifier library (URL, URI, IRI) | (iri, library, mit, network, uri, url) | 2025-04-08 | 0.5.1.1 | NikitaVolkov |
| iri-orphans | 3 | 0.0 | 0 | Orphan instances for iri | (library, mit, utils) | 2025-04-28 | 0.0.0.0 | PatrickBrisbin, dukerutledge, mjgpy3, chris_martin, FreckleEngineering, OlaoluwaM |
| isevaluated | 6 | 0.0 | 2 | Check whether a value has been evaluated | (data, ghc, library, mit) | 2012-07-23 | 0.3.0.2 | BertramFelgenhauer, SveinOveAas |
| iso-deriving | 5 | 0.0 | 0 | Deriving via arbitrary isomorphisms. | (generics, library, mit) | 2020-04-24 | 0.0.8 | HansHoglund |
| iso8601-time | 11 | 0.0 | 33 | Convert to/from the ISO 8601 time format | (library, mit, time) | 2018-06-11 | 0.1.5 | AndrasSlemmer, NiklasHambuechen, PatrickChilton |
| isocline | 15 | 0.0 | 2 | A portable alternative to GNU Readline | (console, library, mit, program) | 2022-01-16 | 1.0.9 | daan |
| isomorphism-class | 38 | 0.0 | 2 | Isomorphism typeclass as a lawful solution to the conversion problem | (conversion, library, mit) | 2025-04-07 | 0.3.1.2 | NikitaVolkov |
| iteratee-parsec | 7 | 0.0 | 1 | Package allowing parsec parser initeratee | (data, library, mit, parsing) | 2010-11-28 | 0.0.6 | MaciejPiechotka |
| iterative-forward-search | 1 | 0.0 | 0 | An IFS constraint solver | (constraints, library, mit) | 2021-07-29 | 0.1.0.0 | mbg, OscarH |
| ivar-simple | 13 | 0.0 | 1 | Write once concurrency primitives. | (concurrency, library, mit) | 2020-10-05 | 0.3.3 | BertramFelgenhauer |
| ixset-typed-binary-instance | 1 | 0.0 | 1 | Binary instance for ixset-typed. | (data-structures, library, mit) | 2020-08-28 | 0.1.0.2 | locallycompact |
| ixset-typed-cassava | 2 | 0.0 | 0 | cassava encoding and decoding via ixset-typed | (csv, data, library, mit) | 2021-08-23 | 0.0.2.0 | locallycompact |
| ixset-typed-conversions | 7 | 0.0 | 1 | Conversions from ixset-typed to other containers. | (data-structures, library, mit) | 2020-09-14 | 0.1.2.0 | locallycompact |
| ixset-typed-hashable-instance | 2 | 0.0 | 1 | Hashable instance for ixset-typed. | (data-structures, library, mit) | 2020-08-28 | 0.1.0.2 | locallycompact |
| j2hs | 7 | 0.0 | 1 | j2hs | (ffi-tools, foreign, java, jvm, mit, program) | 2013-06-24 | 0.99.1 | JulianFleischer |
| jack-bindings (deprecated) | 2 | 0.0 | 1 | DEPRECATED Bindings to the JACK Audio Connection Kit | (deprecated, library, mit, sound) | 2012-10-07 | 0.1.1 | PhilippBalzarek |
| jalaali | 4 | 0.0 | 1 | Jalaali calendar systems | (library, mit, time) | 2020-11-14 | 1.0.0.0 | behrang |
| jaskell | 1 | 0.0 | 0 | Stack-based concatenative language embedded in Haskell | (language, library, mit) | 2023-06-27 | 0.1.0.0 | OwenBechtel |
| java-bridge | 10 | 2.0 | 3 | Bindings to the JNI and a high level interface generator. | (ffi-tools, foreign, java, jvm, mit) | 2013-06-08 | 0.20130606.3 | JulianFleischer |
| java-bridge-extras | 2 | 0.0 | 1 | Utilities for working with the java-bridge package. | (ffi-tools, foreign, java, jvm, library, mit) | 2013-06-24 | 0.99 | JulianFleischer |
| java-poker | 2 | 0.0 | 0 | The etude of the Haskell programming | (game, library, mit, program) | 2016-01-13 | 0.1.2.0 | tobynet |
| java-reflect | 10 | 0.0 | 1 | Tools for reflecting on Java classes. | (ffi-tools, foreign, java, jvm, library, mit) | 2013-06-24 | 0.99 | JulianFleischer |
| javelin | 18 | 2.0 | 1 | Labeled one-dimensional arrays | (data, data-science, data-structures, library, mit, program) | 2025-03-02 | 0.1.4.2 | LaurentRDC |
| javelin-frames | 9 | 0.0 | 0 | Type-safe data frames based on higher-kinded types. | (data, data-science, data-structures, library, mit) | 2025-07-13 | 0.1.0.2 | LaurentRDC |
| javelin-io | 7 | 0.0 | 0 | IO operations for the `javelin` package | (data, data-science, data-structures, library, mit) | 2025-03-02 | 0.1.1.3 | LaurentRDC |
| jbi | 2 | 0.0 | 0 | Just Build It - a "do what I mean" abstraction for Haskell build tools | (development, library, mit, program) | 2018-02-07 | 0.2.0.0 | IvanMiljenovic |
| jcdecaux-vls | 1 | 0.0 | 1 | JCDecaux self-service bicycles API client | (library, mit, web) | 2014-04-29 | 0.1.0 | Herzult |
| jira-wiki-markup | 50 | 0.0 | 1 | Handle Jira wiki markup | (library, mit, program, text) | 2023-03-13 | 1.5.1 | tarleb |
| jmonkey | 2 | 0.0 | 1 | Jmonkey is very restricted but handy EDSL for JavaScript. | (library, mit, web) | 2018-10-29 | 0.1.0.1 | opyapeus |
| jobqueue | 4 | 0.0 | 1 | A job queue library | (client, library, mit, network) | 2015-09-09 | 0.1.6 | ikehara, junjihashimoto, yjkmy |
| jordan | 5 | 0.0 | 5 | JSON with Structure | (codec, library, mit) | 2022-07-04 | 0.2.0.0 | NoidedSuper |
| jordan-openapi | 4 | 0.0 | 1 | OpenAPI Definitions for Jordan, Automatically | (library, mit, network) | 2022-07-04 | 0.2.0.0 | NoidedSuper |
| jordan-servant | 3 | 0.0 | 3 | Servant Combinators for Jordan | (library, mit, web) | 2022-07-04 | 0.1.0.0 | NoidedSuper |
| jordan-servant-client | 2 | 0.0 | 0 | Servant Client Instances for Jordan Servant Types | (library, mit, web) | 2022-07-04 | 0.1.0.0 | NoidedSuper |
| jordan-servant-openapi | 1 | 0.0 | 0 | OpenAPI schemas for Jordan-Powered Servant APIs | (library, mit, web) | 2022-07-04 | 0.1.0.0 | NoidedSuper |
| jordan-servant-server | 1 | 0.0 | 0 | Servers for Jordan-Based Servant Combinators | (library, mit, web) | 2022-07-04 | 0.1.0.0 | NoidedSuper |
| journalctl-stream | 16 | 0.0 | 0 | Stream logs using journalctl. | (library, mit, system) | 2025-02-14 | 0.6.0.8 | DanielDiaz |
| js-chart | 2 | 0.0 | 1 | Obtain minified chart.js code | (javascript, library, mit) | 2020-11-10 | 2.9.4.1 | jonascarpay |
| js-dgtable | 4 | 0.0 | 3 | Obtain minified jquery.dgtable code | (javascript, library, mit) | 2019-03-15 | 0.5.2 | NeilMitchell |
| js-flot | 1 | 0.0 | 6 | Obtain minified flot code | (javascript, library, mit) | 2014-11-10 | 0.8.3 | NeilMitchell |
| js-jquery | 30 | 0.0 | 9 | Obtain minified jQuery code | (javascript, library, mit) | 2025-02-09 | 3.7.1 | NeilMitchell |
| jsaddle | 157 | 0.0 | 37 | Interface for JavaScript that works with GHCJS and GHC | (javascript, library, mit, web) | 2025-04-23 | 0.9.9.3 | HamishMackenzie |
| jsaddle-clib | 22 | 0.0 | 1 | Interface for JavaScript that works with GHCJS and GHC | (javascript, library, mit, web) | 2025-04-23 | 0.9.9.3 | HamishMackenzie |
| jsaddle-dom | 63 | 0.0 | 6 | DOM library that uses jsaddle to support both GHCJS and GHC | (library, mit, web) | 2024-05-22 | 0.9.9.2 | HamishMackenzie |
| jsaddle-hello | 6 | 0.0 | 1 | JSaddle Hello World, an example package | (library, mit, program, web) | 2025-04-23 | 2.0.0.2 | HamishMackenzie |
| jsaddle-warp | 79 | 0.0 | 6 | Interface for JavaScript that works with GHCJS and GHC | (javascript, library, mit, web) | 2025-05-24 | 0.9.9.5 | HamishMackenzie |
| jsaddle-webkit2gtk | 22 | 0.0 | 1 | Interface for JavaScript that works with GHCJS and GHC | (javascript, library, mit, web) | 2025-04-23 | 0.9.9.3 | HamishMackenzie |
| jsaddle-webkitgtk | 10 | 0.0 | 1 | Interface for JavaScript that works with GHCJS and GHC | (javascript, library, mit, web) | 2017-06-02 | 0.9.0.0 | HamishMackenzie |
| jsaddle-wkwebview | 24 | 0.0 | 2 | Interface for JavaScript that works with GHCJS and GHC | (javascript, mit, web) | 2025-04-23 | 0.9.9.3 | HamishMackenzie |
| jsc (deprecated in favor of jsaddle) | 2 | 0.0 | 1 | High level interface for webkit-javascriptcore | (deprecated, javascript, library, mit, web) | 2014-03-02 | 0.1.1.1 | HamishMackenzie |
| json-api | 15 | 0.0 | 1 | Utilities for generating JSON-API payloads | (library, mit, network) | 2019-07-31 | 0.1.4.0 | toddmohney |
| json-api-lib | 11 | 0.0 | 0 | Utilities for generating JSON-API payloads | (library, mit, network) | 2020-06-03 | 0.3.0.0 | GeorgeWilson, shirren |
| json-ast | 6 | 0.0 | 3 | Universal JSON AST datastructure | (library, mit, unclassified) | 2022-10-11 | 0.3.2 | NikitaVolkov |
| json-ast-json-encoder | 2 | 0.0 | 1 | Encoders of JSON AST | (library, mit, unclassified) | 2017-04-07 | 0.1.1 | NikitaVolkov |
| json-ast-quickcheck | 3 | 0.0 | 1 | Compatibility layer for "json-ast" and "QuickCheck" | (library, mit, unclassified) | 2016-02-04 | 0.2 | NikitaVolkov |
| json-bytes-builder (deprecated in favor of jsonifier) | 10 | 0.0 | 2 | Direct-to-bytes JSON Builder | (codecs, deprecated, json, library, mit) | 2020-09-16 | 0.5.2.1 | NikitaVolkov |
| json-encoder (deprecated in favor of json-bytes-builder) | 5 | 0.0 | 2 | A direct-to-bytes single-pass JSON encoder with a declarative DSL | (codec, deprecated, json, library, mit) | 2016-06-02 | 0.1.8 | NikitaVolkov |
| json-feed | 42 | 0.0 | 2 | JSON Feed | (library, mit, web) | 2025-05-22 | 2.0.0.15 | fozworth |
| json-fu | 4 | 0.0 | 1 | Generic JSON serialization / deserialization | (json, library, mit) | 2014-03-27 | 0.1.1 | SimonHengel |
| json-incremental-decoder | 4 | 0.0 | 1 | Incremental JSON parser with early termination and a declarative DSL | (data, json, library, mit, parsing) | 2017-04-07 | 0.1.2 | NikitaVolkov |
| json-pointer | 9 | 0.0 | 3 | JSON Pointer parsing and interpretation utilities | (data, json, library, mit, parsing) | 2019-01-22 | 0.1.2.2 | NikitaVolkov |
| json-pointer-aeson | 3 | 0.0 | 1 | Integration layer for "json-pointer" and "aeson" | (library, mit, unclassified) | 2017-04-06 | 0.1.2 | NikitaVolkov |
| json-pointer-hasql | 3 | 0.0 | 1 | JSON Pointer extensions for Hasql | (hasql, json, library, mit) | 2016-04-04 | 0.1.1 | NikitaVolkov |
| json-python | 5 | 0.0 | 1 | Call python inline from haskell | (language, library, mit) | 2014-11-10 | 0.4.0.1 | russell91 |
| json-rpc | 48 | 2.0 | 5 | Fully-featured JSON-RPC 2.0 library | (library, mit, network, program, public-domain) | 2025-05-09 | 1.1.2 | jprupp |
| json-rpc-client | 15 | 2.0 | 1 | JSON-RPC 2.0 on the client side. | (json, library, mit, network) | 2017-01-14 | 0.2.5.0 | KristenKozak |
| json-rpc-server | 20 | 2.0 | 2 | JSON-RPC 2.0 on the server side. | (json, library, mit, network) | 2017-01-14 | 0.2.6.0 | KristenKozak |
| json-spec | 25 | 0.0 | 3 | Type-level JSON specification | (json, library, mit) | 2025-04-10 | 1.1.1.2 | rickowens |
| json-spec-elm | 18 | 0.0 | 1 | Elm code generate for `json-spec`. | (elm, json, library, mit) | 2025-04-10 | 0.4.0.6 | rickowens |
| json-spec-elm-servant | 23 | 0.0 | 0 | Generated elm code for servant APIs. | (elm, json, library, mit, servant, web) | 2025-04-10 | 0.4.4.1 | rickowens |
| json-spec-openapi | 19 | 0.0 | 0 | json-spec-openapi | (json, library, mit, openapi) | 2025-07-19 | 1.0.1.3 | rickowens |
| json-togo | 9 | 0.0 | 1 | Effectful parsing of JSON documents | (data, library, mit) | 2015-06-27 | 0.1.1.0 | srijs |
| json-types | 1 | 0.0 | 6 | Basic types for representing JSON | (json, library, mit, text) | 2010-12-23 | 0.1 | JohnMillikin |
| jsonextfilter | 1 | 0.0 | 1 | Filter select values in JSON objects to unix programs | (mit, program, web) | 2017-03-21 | 0.1.0.0 | mackeyrms |
| jsonifier | 33 | 0.0 | 1 | Fast and simple JSON encoding toolkit | (json, library, mit) | 2023-12-09 | 0.2.1.3 | NikitaVolkov |
| jsonlogic | 0 | 0.0 | 1 | JsonLogic Evaluation | (json, library, mit) | 2022-04-06 | 0.1.0.0 | JTeeuwissen |
| jsonlogic-aeson | 2 | 0.0 | 0 | JsonLogic Aeson Support | (json, library, mit) | 2022-04-06 | 0.1.0.0 | JTeeuwissen |
| jsons-to-schema | 1 | 0.0 | 0 | JSON to JSON Schema | (data, json, library, mit, program, web) | 2017-07-30 | 0.1.0.0 | garetht |
| jsonsql | 4 | 0.0 | 1 | Interpolate JSON object values into SQL strings | (mit, program, text) | 2015-08-28 | 0.1.2.1 | DanielChoi |
| jsontsv | 20 | 0.0 | 1 | JSON to TSV transformer | (mit, program, text) | 2016-05-19 | 0.1.7.0 | DanielChoi |
| jsonxlsx | 3 | 0.0 | 1 | json to xlsx converter | (mit, program, text) | 2017-03-20 | 0.1.0.1 | mackeyrms |
| juandelacosa | 2 | 0.0 | 1 | Manage users in MariaDB >= 10.1.1 | (databases, mit, program, web) | 2021-03-17 | 0.1.2 | ip1981 |
| juicy-draw | 3 | 0.0 | 0 | Draw and fill lines, rectangles and polygons | (graphics, library, mit, program) | 2018-12-20 | 0.2.0.0 | rcook |
| jump | 2 | 0.0 | 1 | Nothing to see here, move along | (data, library, mit) | 2016-03-14 | 0.0.0.0 | MichaelSnoyman |
| jupyter | 2 | 0.0 | 0 | A library for creating and using Jupyter kernels. | (development, library, mit, program) | 2016-08-14 | 0.9.0 | gibiansky |
| jvm-binary | 32 | 0.0 | 1 | A library for reading Java class-files | (java, jvm, language, library, mit) | 2021-05-12 | 0.10.0 | kalhauge |
| jwt | 28 | 1.75 | 22 | JSON Web Token (JWT) decoding and encoding | (library, mit, web) | 2021-12-10 | 0.11.0 | puffnfresh |
| kafka-client (deprecated) | 4 | 0.0 | 1 | Low-level Haskell client library for Apache Kafka 0.7. | (deprecated, library, mit, network) | 2015-06-02 | 0.7.0.1 | abhinav |
| kafka-device | 12 | 0.0 | 5 | UI device events via a Kafka message broker | (hardware, library, mit, program) | 2019-03-04 | 1.0.2.1 | BrianBush |
| kafka-device-glut | 8 | 0.0 | 1 | GLUT events via a Kafka message broker | (hardware, library, mit, program) | 2019-03-04 | 1.0.2.1 | BrianBush |
| kafka-device-joystick | 6 | 0.0 | 1 | Linux joystick events via a Kafka message broker | (hardware, library, mit, program) | 2019-03-04 | 1.0.2.1 | BrianBush |
| kafka-device-leap | 7 | 0.0 | 1 | Leap Motion events via a Kafka message broker | (hardware, library, mit, program) | 2019-03-04 | 1.0.2.1 | BrianBush |
| kafka-device-spacenav | 6 | 0.0 | 1 | Linux SpaceNavigator events via a Kafka message broker | (hardware, library, mit, program) | 2019-03-04 | 1.0.2.1 | BrianBush |
| kafka-device-vrpn | 5 | 0.0 | 1 | VRPN events via a Kafka message broker | (library, mit, network, program) | 2019-03-04 | 1.0.2.1 | BrianBush |
| kaleidoscope | 1 | 0.0 | 1 | Haskell Kaleidoscope tutorial | (compilers, library, mit, program) | 2016-08-12 | 0.1.0.0 | sdiehl |
| kalman | 5 | 2.0 | 1 | Kalman and particle filters and smoothers | (library, math, mit) | 2016-12-14 | 1.0.0.2 | DominicSteinitz |
| katip-logstash | 4 | 0.0 | 0 | Logstash backend for katip. | (library, logging, mit) | 2021-11-29 | 0.1.0.2 | mbg |
| kawhi | 8 | 2.0 | 1 | stats.NBA.com library | (api, library, mit) | 2017-04-22 | 0.3.0 | aaron |
| kcd | 3 | 0.0 | 1 | Kayak .kcd parsing library. | (library, mit, text) | 2017-01-17 | 0.2.0.0 | marcelbuesing |
| kdt | 9 | 0.0 | 1 | Fast and flexible k-d trees for various types of point queries. | (data, library, mit) | 2024-06-18 | 0.2.6 | giogadi |
| keccak | 6 | 0.0 | 0 | cryptographic functions based on the sponge construction | (crypto, library, mit, program) | 2018-07-20 | 0.2.0 | aupiff |
| kesha | 2 | 0.0 | 0 | Haskell implementation of nix-hash | (library, mit, system) | 2020-11-30 | 0.1.0.1 | jmackie |
| keter | 133 | 2.25 | 1 | Web application deployment manager, focusing on Haskell web frameworks. It mitigates downtime. | (library, mit, program, web, yesod) | 2025-07-18 | 2.1.10 | MichaelSnoyman, ChristopherReichert, Jappie, jgt |
| kewar | 3 | 2.0 | 0 | CLI and library to generate QR codes. | (data, library, mit, program, qr) | 2022-02-12 | 0.1.1.1 | shikaan |
| keylayouts | 3 | 0.0 | 0 | Tools for macOS .keylayout files | (configuration, library, mit, xml) | 2020-12-20 | 0.1.0.2 | dailectic |
| keyring | 8 | 0.0 | 1 | Keyring access | (library, mit, system) | 2017-02-20 | 0.1.0.5 | lunaryorn |
| keyword-args | 21 | 0.0 | 1 | Extract data from a keyword-args config file format | (data, library, mit, program) | 2015-04-23 | 0.2.0.2 | jsl, stackbuilders, sestrella |
| ki-effectful | 4 | 0.0 | 0 | Adaptation of the ki library for the effectful ecosystem. | (concurrency, library, mit) | 2023-01-29 | 0.1.1.0 | TristanCacqueray |
| kicad-data | 8 | 2.0 | 1 | Parser and writer for KiCad files. | (data, library, mit) | 2021-10-29 | 0.5.1 | kasbah |
| kickass-torrents-dump-parser | 2 | 0.0 | 1 | Parses kat.ph torrent dumps | (library, mit, text) | 2013-01-16 | 0.0.1 | MichaelXavier |
| kindly-functors | 2 | 0.0 | 0 | A category polymorphic `Functor` typeclass | (categories, control, library, mit) | 2024-02-05 | 0.1.0.1 | solomon |
| kmeans-par | 20 | 0.0 | 1 | Sequential and parallel implementations of Lloyd's algorithm. | (algorithm, library, mit) | 2014-06-02 | 1.5.1 | vi, SimonAlling |
| kmonad | 8 | 2.25 | 0 | Advanced keyboard remapping utility | (application, library, mit, program) | 2025-04-11 | 0.4.4 | david_janssen, TonyZorman |
| knob | 5 | 0.0 | 4 | Memory-backed handles | (library, mit, system) | 2023-02-10 | 0.2.2 | ncfavier |
| knots | 2 | 0.0 | 1 | Khovanov homology computations | (library, math, mit, program) | 2015-04-09 | 0.1.0.1 | maltem |
| koofr-client | 16 | 0.0 | 1 | Client to Koofr API | (library, mit, network) | 2015-03-27 | 1.0.0.3 | edofic |
| korea-holidays | 5 | 2.0 | 0 | Korea Holidays | (library, mit, time) | 2019-07-14 | 0.1.0.4 | kkweon |
| kparams | 2 | 0.0 | 0 | Extracts values from /proc/cmdline. | (library, mit, program, text) | 2021-09-09 | 0.1.0.1 | mcsaucy |
| kraken | 6 | 0.0 | 0 | Kraken.io API client | (library, mit, network) | 2017-09-21 | 0.1.0 | wereHamster |
| ksystools | 1 | 0.0 | 1 | System management tooling. | (library, mit, system) | 2017-03-06 | 0.1.0.0 | kisom |
| ktx | 4 | 0.0 | 1 | A binding for libktx from Khronos | (graphics, library, mit) | 2015-05-31 | 0.2 | Corngood |
| kubernetes-webhook-haskell | 6 | 0.0 | 0 | Create Kubernetes Admission Webhooks in Haskell | (library, mit, web) | 2020-08-14 | 0.2.0.3 | amarrella |
| labsat | 6 | 0.0 | 0 | LabSat TCP Interface Wrapper | (library, mit, program, unclassified) | 2018-03-09 | 0.0.5 | bb |
| labyrinth | 10 | 0.0 | 1 | A complicated turn-based game | (game, library, mit) | 2013-11-17 | 0.5.0.0 | AlexeyKotlyarov |
| labyrinth-server | 7 | 0.0 | 1 | A complicated turn-based game - Web server | (game, mit, program) | 2013-11-23 | 0.1.4.1 | AlexeyKotlyarov |
| lackey | 128 | 0.0 | 1 | Generate Ruby clients from Servant APIs. | (library, mit, web) | 2025-05-22 | 2.0.0.11 | fozworth |
| lacroix | 2 | 2.0 | 1 | fizzy n dizzy | (acme, library, mit) | 2021-11-10 | 0.2.0.0 | chessai |
| laika | 6 | 0.0 | 1 | Minimalistic type-checked compile-time template engine | (library, mit, unclassified) | 2015-06-25 | 0.1.3.1 | NikitaVolkov |
| lambda | 1 | 2.0 | 0 | Interpreters for lambda calculus, calculus of constructions, and more | (compilers-interpreters, mit, program) | 2022-07-28 | 0.1.0.0 | OwenBechtel |
| lambda-calculator | 10 | 0.0 | 0 | A lambda calculus interpreter | (lambdacalculus, language, library, mit, program, teaching) | 2023-03-01 | 3.1.1.0 | sgillespie |
| lambda-canvas | 3 | 0.0 | 1 | Educational drawing canvas for FP explorers. | (education, graphics, library, mit) | 2012-08-29 | 0.1 | DimitrySolovyov |
| lambda-cube | 5 | 2.0 | 0 | Haskell implementation of (some of) lambda cube calculi | (library, mit, utilities) | 2021-08-26 | 0.3.0.0 | Ailrun |
| lambdaBase | 2 | 0.0 | 1 | (language, library, mit) | 2015-05-05 | 0.0.2.0 | faleidel | |
| lambdaLit | 5 | 0.0 | 1 | ... | (language, mit, program) | 2014-12-18 | 0.1.1.0 | faleidel |
| lambdabot-zulip | 2 | 0.0 | 0 | Lambdabot for Zulip Chat | (library, mit, program, web) | 2018-11-20 | 0.1.0 | NiklasHambuechen |
| lambdacms-core | 11 | 0.0 | 2 | LambdaCms 'core' subsite for Yesod apps | (library, mit, web) | 2015-07-23 | 0.3.0.2 | cies, matsrietdijk |
| lambdacms-media | 8 | 0.0 | 1 | LambdaCms "media" extension | (library, mit, web) | 2015-07-26 | 0.4.0.0 | cies, matsrietdijk |
| lambdasound | 5 | 0.0 | 0 | A libary for generating low-level sounds with high-level combinators | (library, mit, program, sound) | 2025-05-31 | 1.2.1 | voyager |
| lambdatwit | 3 | 0.0 | 1 | Lambdabot running as a twitter bot. Similar to the @fsibot f# bot. | (mit, program, web) | 2014-10-13 | 0.1.0.0 | aaronash |
| laminar | 4 | 0.0 | 0 | Run dependent IO actions asynchronously. | (concurrency, library, mit) | 2023-11-06 | 0.1.0.1 | dm72 |
| langchain-hs | 3 | 2.0 | 0 | Haskell implementation of Langchain | (ai, library, mit, web) | 2025-05-04 | 0.0.2.0 | tusharad |
| language-c99 | 8 | 0.0 | 4 | An implementation of the C99 AST that strictly follows the standard. | (language, library, mit) | 2022-05-21 | 0.2.0 | frankdedden |
| language-c99-simple | 8 | 0.0 | 2 | C-like AST to simplify writing C99 programs. | (language, library, mit) | 2024-01-03 | 0.3.0 | frankdedden |
| language-c99-util | 3 | 0.0 | 2 | Utilities for language-c99. | (language, library, mit) | 2022-05-21 | 0.2.0 | frankdedden |
| language-conf | 6 | 0.0 | 0 | Conf parsers and pretty-printers for the Haskell programming language. | (data, library, mit) | 2016-08-24 | 0.2.2.0 | yamadapc |
| language-gcl | 1 | 2.0 | 1 | Something similar to Dijkstra's guarded command language | (language, library, mit) | 2014-06-15 | 0.2 | StijnVanDrongelen |
| language-hcl | 2 | 0.0 | 1 | HCL parsers and pretty-printers for the Haskell programming language. | (data, library, mit) | 2016-08-12 | 0.1.2.0 | yamadapc |
| language-js | 3 | 0.0 | 1 | javascript parser for es6 and es7. | (language, library, mit) | 2021-03-27 | 0.3.0 | diasbruno |
| language-ocaml | 3 | 0.0 | 1 | Language tools for manipulating OCaml programs in Haskell | (language, library, mit, ocaml) | 2018-12-12 | 0.2.0 | Ptival |
| language-pig | 8 | 0.0 | 1 | Pig parser in haskell. | (language, library, mit) | 2013-12-16 | 0.3.0.1 | elisehuard |
| language-toolkit | 5 | 0.0 | 0 | A set of tools for analyzing languages via logic and automata | (formal-languages, library, mit, program) | 2024-04-27 | 1.2.0.1 | dakotah_lambert |
| language-typescript | 6 | 0.0 | 2 | A library for working with TypeScript Definition files | (language, library, mit) | 2014-02-02 | 0.0.4 | PhilFreeman |
| language-webidl | 8 | 0.0 | 1 | Parser and Pretty Printer for WebIDL | (language, library, mit) | 2017-10-24 | 0.2.0.0 | izgzhen |
| laop | 11 | 0.0 | 0 | Matrix programming library | (data, library, mit) | 2020-06-05 | 0.1.1.1 | bolt12 |
| latest-npm-version | 4 | 0.0 | 1 | Find the latest version of a package on npm | (library, mit, network, program) | 2014-05-19 | 0.3.1 | passy |
| lawful-conversions | 20 | 0.0 | 2 | Lawful typeclasses for bidirectional conversion between types | (conversion, library, mit) | 2025-05-14 | 0.1.7 | NikitaVolkov |
| layout-bootstrap (deprecated) | 4 | 0.0 | 1 | Template and widgets for Bootstrap2 to use with Text.Blaze.Html5 | (deprecated, library, mit, text) | 2012-03-07 | 0.2.2 | AlexanderBondarenko |
| lazy | 1 | 0.0 | 1 | Explicit laziness for Haskell | (control, library, mit) | 2018-04-28 | 0.1 | NikitaVolkov |
| lazy-async | 8 | 0.0 | 0 | Asynchronous actions that don't start right away | (concurrency, library, mit) | 2023-06-23 | 1.1.0.0 | chris_martin, Monoid_Mary |
| lazyio-applicative | 3 | 0.0 | 0 | LazyIO applicative for asymptotic performance | (applicative, control, library, mit) | 2024-02-02 | 0.1.0.3 | profunctorial |
| lazyppl | 2 | 2.0 | 0 | Lazy Probabilistic Programming Library | (library, mit, statistics) | 2024-08-21 | 1.0 | samstaton |
| lazyset | 0 | 0.0 | 1 | Set and Map from lazy/infinite lists. | (data, library, mit) | 2016-12-15 | 0.1.0.0 | carlos_freund |
| ldapply | 2 | 0.0 | 1 | LDIF idempotent apply tool | (mit, network, program, text) | 2017-01-12 | 0.2.0 | ip1981 |
| lean-peano | 12 | 0.0 | 0 | A maximally lazy, simple implementation of the Peano numbers with minimal dependencies. | (library, mit, numeric) | 2020-05-02 | 1.0.2.0 | oisdk |
| leankit-api | 5 | 0.0 | 1 | LeanKit API | (api, library, mit) | 2014-01-04 | 0.4 | dtorok |
| leanpub-concepts | 7 | 2.0 | 1 | Types for the Leanpub API | (library, mit, web) | 2022-03-15 | 1.1.0.2 | chris_martin, Monoid_Mary |
| leanpub-wreq | 8 | 2.0 | 0 | Use the Leanpub API via Wreq | (library, mit, web) | 2022-03-15 | 1.1.0.4 | chris_martin, Monoid_Mary |
| learning-hmm | 33 | 0.0 | 1 | Yet another library for hidden Markov models | (algorithms, library, machine-learning, mit, statistics) | 2015-04-05 | 0.3.2.2 | mnacamura |
| leb128-cereal | 5 | 0.0 | 2 | LEB128 and SLEB128 encoding | (codec, library, mit) | 2020-11-20 | 1.2 | JoachimBreitner |
| lens-aeson | 43 | 2.75 | 122 | Law-abiding lenses for aeson | (data, json, lenses, library, mit) | 2023-06-27 | 1.2.3 | EdwardKmett, EricMertens, ryanglscott |
| lens-text-encoding | 2 | 0.0 | 1 | Isomorphisms and prisms for text <=> bytestring conversions | (library, mit, text) | 2014-10-12 | 0.1.0.0 | IanDuncan |
| lens-time | 0 | 0.0 | 1 | lens for Data.Time | (data, library, mit) | 2013-08-14 | 0.1.0.0 | TatsuyaTouma |
| lens-witherable | 8 | 0.0 | 0 | lens-compatible tools for working with witherable | (data, library, mit) | 2024-03-11 | 0.2.0.2 | CarlHowells |
| lexer-applicative | 9 | 2.0 | 2 | Simple lexer based on applicative regular expressions | (language, library, mit) | 2018-06-06 | 2.1.0.2 | RomanCheplyaka |
| lha | 3 | 0.0 | 3 | Data structures for the Les Houches Accord | (library, mit, physics) | 2012-02-06 | 0.1.2 | ScottLawrence |
| lhe | 17 | 0.0 | 1 | Parser and writer for Les-Houches event files | (data, library, mit, physics) | 2012-02-13 | 0.5 | ScottLawrence |
| lhs2TeX-hl | 23 | 0.0 | 1 | Literate highlighter preprocessor for lhs2tex | (development, language, mit, program) | 2011-10-15 | 0.1.4.5 | AlessandroVermeulen |
| libBF | 16 | 0.0 | 6 | A binding to the libBF library. | (data, library, mit) | 2024-06-05 | 0.6.8 | IavorDiatchki, RobertDockins, ryanglscott, galoisinc |
| libfuse3 | 13 | 1.75 | 0 | A Haskell binding for libfuse-3.x | (library, mit, system) | 2025-05-22 | 0.2.1.0 | yohashi |
| libinfluxdb | 5 | 0.0 | 1 | libinfluxdb | (database, library, mit) | 2016-05-25 | 0.0.4 | wereHamster |
| liblastfm | 60 | 0.0 | 1 | Lastfm API interface | (library, mit, network-apis) | 2018-08-07 | 0.7.0 | DmitryMalikov, MatveyAksenov |
| libmpd | 81 | 2.0 | 7 | An MPD client library. | (library, mit, network, sound) | 2024-06-21 | 0.10.0.1 | BenSinclair, JoachimFasting, SimonHengel, psibi, jade512 |
| libnotify | 15 | 0.0 | 3 | Bindings to libnotify library | (desktop, library, mit, system) | 2018-07-16 | 0.2.1 | MatveyAksenov |
| libnvvm | 2 | 0.0 | 1 | FFI binding to libNVVM, a compiler SDK component from NVIDIA | (foreign, library, mit) | 2014-04-03 | 1.0.0 | seanprime7 |
| libphonenumber | 9 | 0.0 | 0 | Parsing, formatting, and validating international phone numbers | (data, library, mit) | 2023-12-20 | 0.1.3.0 | mniip, typeable, iko |
| librandomorg | 3 | 0.0 | 1 | Wrapper to Random.org API | (library, mit, network-apis) | 2012-06-10 | 0.0.1.0 | MatveyAksenov |
| librato | 3 | 0.0 | 1 | Bindings to the Librato API | (library, mit, network) | 2014-07-20 | 0.2.0.1 | IanDuncan |
| libriscv | 1 | 0.0 | 0 | A versatile, flexible and executable formal model for the RISC-V architecture. | (formal-languages, library, mit, program) | 2024-07-10 | 0.1.0.0 | nmeum |
| libsecp256k1 | 25 | 0.0 | 0 | Bindings for secp256k1 | (crypto, library, mit) | 2024-11-15 | 0.3.0 | ProofOfKeags |
| libssh | 1 | 0.0 | 0 | libssh bindings | (library, mit, network) | 2024-06-19 | 0.1.0.0 | defanor |
| libstackexchange | 6 | 0.0 | 1 | StackExchange API interface | (library, mit, networkapis) | 2018-06-14 | 0.3.1 | MatveyAksenov |
| libxls | 1 | 0.0 | 1 | Bindings to libxls | (ffi, library, mit) | 2016-02-25 | 0.2 | uuhan |
| libxml-enumerator (deprecated) | 15 | 0.0 | 1 | Enumerator-based API for libXML's SAX interface | (deprecated, enumerator, library, mit, parsing, text, xml) | 2011-04-06 | 0.5 | JohnMillikin |
| libxml-sax | 39 | 0.0 | 5 | Bindings for the libXML2 SAX interface | (foreign, library, mit, parsing, text, xml) | 2024-11-26 | 0.7.6 | StephenWeber |
| libyaml-clib | 2 | 0.0 | 2 | libyaml clibs | (library, mit, text) | 2024-03-13 | 0.2.5 | maerwald |
| libzfs | 3 | 0.0 | 1 | Bindings to libzfs, for dealing with the Z File System and Zpools. | (library, mit, program, system) | 2017-03-02 | 0.2.0.0 | implementation |
| licensor | 15 | 0.0 | 0 | A license compatibility helper | (distribution, library, mit, program) | 2021-05-30 | 0.5.0 | jpvillaisaza |
| lifted-protolude | 1 | 0.0 | 1 | A sensible set of defaults for writing lifted custom Preludes. | (library, mit, prelude) | 2016-07-13 | 0.1.6 | parsonsmatt |
| ligature | 1 | 0.0 | 1 | Expand ligatures in unicode text | (library, mit, text) | 2013-08-14 | 0.1.0.0 | JosefSvenningsson |
| lima | 17 | 0.0 | 0 | Convert between Haskell, Markdown, Literate Haskell, TeX | (library, mit, productivity) | 2023-07-21 | 0.3.0.0 | deemp |
| limp | 8 | 2.0 | 3 | representation of Integer Linear Programs | (library, mit, numeric) | 2018-11-12 | 0.3.2.3 | amosrobinson |
| limp-cbc | 12 | 0.0 | 2 | bindings for integer linear programming solver Coin/CBC | (library, mit, numeric) | 2018-11-12 | 0.3.2.3 | amosrobinson |
| lindenmayer | 3 | 0.0 | 1 | L-systems in Haskell | (formal-languages, library, mit) | 2015-06-07 | 0.1.0.1 | reinh |
| line-indexed-cursor | 1 | 0.0 | 0 | Line-indexed file reader. | (data, development, library, mit) | 2023-07-23 | 0.1.0.0 | ak3n |
| linear-base | 14 | 0.0 | 6 | Standard library for linear types. | (library, mit, prelude) | 2025-04-07 | 0.5.0 | utdemir, dotwani, aspiwack, tbagrel1 |
| linear-free | 3 | 0.0 | 0 | Linear free monads | (control, library, mit) | 2025-07-17 | 0.1.0.0 | j_jaager |
| linear-geo | 1 | 0.0 | 0 | Geographic coordinates, built on the linear package. | (library, math, mit) | 2023-12-21 | 0.1.0.0 | TravisWhitaker |
| lines-of-action | 3 | 0.0 | 1 | Lines of Action, 2-player strategy board game | (game, library, mit) | 2018-06-16 | 0.0.1 | jxv |
| linkcheck | 2 | 0.0 | 0 | Check for broken links in CI | (library, mit, program, unclassified) | 2022-05-09 | 0.1.0.0 | Norfair |
| linux-cgroup | 4 | 0.0 | 1 | Very basic interface to the Linux CGroup Virtual Filesystem | (library, mit, system) | 2014-02-28 | 0.1.1.2 | clord |
| linux-ptrace | 5 | 0.0 | 1 | Wrapping of Linux' ptrace(2). | (library, mit, system) | 2010-10-31 | 0.1.2 | RichardSmith, kriztw |
| linx-gateway | 7 | 0.0 | 1 | Implementation of the Enea LINX gateway protocol. | (library, mit, network, program) | 2014-08-04 | 0.1.0.2 | PatrikSandahl |
| lio | 34 | 2.0 | 4 | Labeled IO Information Flow Control Library | (library, mit, security) | 2020-09-23 | 0.11.7.1 | AmitLevy, DavidMazieres, DeianStefan |
| list-singleton | 12 | 2.0 | 0 | Easily and clearly create lists with only one element in them. | (data, library, mit) | 2022-08-28 | 2.0.0.2 | fozworth |
| list-t | 45 | 2.0 | 40 | ListT done right | (control, data-structures, library, mit, streaming) | 2023-10-11 | 1.0.5.7 | NikitaVolkov |
| list-t-attoparsec | 8 | 0.0 | 1 | An "attoparsec" adapter for "list-t" | (library, mit, parsing, streaming) | 2016-10-19 | 0.4.1 | NikitaVolkov |
| list-t-html-parser | 13 | 0.0 | 1 | Streaming HTML parser | (html, library, mit, parser, streaming) | 2016-10-19 | 0.4.2 | NikitaVolkov |
| list-t-http-client | 3 | 0.0 | 1 | A streaming HTTP client | (http, library, mit, streaming) | 2015-04-23 | 0.1.0.1 | NikitaVolkov |
| list-t-libcurl | 5 | 0.0 | 1 | A "libcurl"-based streaming HTTP client | (http, library, mit, streaming) | 2018-02-12 | 0.3.3 | NikitaVolkov |
| list-t-text | 9 | 0.0 | 1 | A streaming text codec | (codec, library, mit, streaming) | 2016-10-19 | 0.2.1 | NikitaVolkov |
| lists-flines | 10 | 0.0 | 8 | Additional data and structures to some 'String'-related lists. | (data, library, mit) | 2023-01-28 | 0.1.3.0 | OleksandrZhabenko |
| literals | 0 | 0.0 | 1 | Non-overloaded functions for concrete literals. | (data, library, mit) | 2013-03-30 | 1.0 | JulianFleischer |
| literatex | 9 | 0.0 | 0 | transform literate source code to Markdown | (library, mit, program, utils) | 2025-01-02 | 0.4.0.0 | TravisCardwell |
| little-earley | 5 | 0.0 | 0 | Simple implementation of Earley parsing | (library, mit, parsing) | 2021-05-29 | 0.2.0.0 | lyxia |
| ll-picosat | 3 | 0.0 | 1 | (library, mit, unclassified) | 2015-01-01 | 0.1.0.0 | DanielWaterworth | |
| llama-cpp-hs | 1 | 2.0 | 0 | Haskell FFI bindings to the llama.cpp LLM inference library | (ai, ffi, library, mit, natural-language-processing) | 2025-05-21 | 0.1.0.0 | tusharad |
| llsd | 3 | 0.0 | 1 | An implementation of the LLSD data system | (library, mit, networking, program) | 2010-08-30 | 0.2.0.0 | BryanOSullivan |
| llvm-hs-pretty | 17 | 2.0 | 1 | A pretty printer for LLVM IR. | (compilers, library, mit) | 2020-01-06 | 0.9.0.0 | sdiehl, andrew_wja |
| lmonad | 1 | 0.0 | 1 | LMonad is an Information Flow Control (IFC) framework for Haskell applications. | (library, mit, security) | 2016-01-08 | 0.1.0.0 | jp_rider |
| lmonad-yesod | 10 | 0.0 | 1 | LMonad for Yesod integrates LMonad's IFC with Yesod web applications. | (library, mit, security, web, yesod) | 2016-04-19 | 1.0.0.0 | jp_rider |
| locators | 7 | 0.0 | 5 | Human exchangable identifiers and locators | (library, mit, other) | 2024-07-08 | 0.3.0.5 | AndrewCowie |
| log-effect | 38 | 0.0 | 2 | An extensible log effect using extensible-effects | (control, effect, library, logging, mit, program) | 2019-03-02 | 1.2.0 | ibotty, sickmind |
| log-warper | 274 | 0.0 | 4 | Flexible, configurable, monadic and pretty logging | (library, logging, mit, program) | 2020-03-04 | 1.9.0 | gromak, volhovm, serokell |
| logging | 18 | 2.0 | 7 | Simplified logging in IO for application writers. | (library, mit, system) | 2025-03-22 | 3.0.6 | JohnWiegley, aupiff |
| logging-effect-extra (deprecated) | 11 | 0.0 | 0 | Supplemental packages for `logging-effect`. | (deprecated, library, mit, other, program) | 2018-08-05 | 2.0.0 | jship |
| logging-effect-extra-file (deprecated) | 8 | 0.0 | 1 | TH splices to augment log messages with file info | (deprecated, library, mit, other, program) | 2018-08-06 | 2.0.1 | jship |
| logging-effect-extra-handler (deprecated) | 14 | 0.0 | 1 | Handy logging handler combinators | (deprecated, library, mit, other, program) | 2018-08-06 | 2.0.1 | jship |
| logging-facade | 8 | 0.0 | 6 | Simple logging abstraction that allows multiple back-ends | (library, mit, system) | 2021-11-17 | 0.3.1 | SimonHengel, SoenkeHahn |
| logging-facade-journald | 0 | 0.0 | 1 | Journald back-end for logging-facade | (library, mit, system) | 2014-11-24 | 0.0.0 | SoenkeHahn |
| logical-constraints | 2 | 0.0 | 2 | Simple logical constraints 'syntax-sugar' writing library. | (data, library, mit) | 2023-01-12 | 0.1.3.0 | OleksandrZhabenko |
| logict-sequence | 5 | 2.0 | 0 | A backtracking logic-programming monad with asymptotic improvements to msplit | (control, library, mit) | 2022-12-06 | 0.2.0.2 | JasonDagit, dfeuer |
| loglevel | 1 | 0.0 | 1 | Log Level Datatype | (library, mit, system) | 2018-08-30 | 0.1.0.0 | larsk |
| logplex-parse | 7 | 0.0 | 1 | Parse Heroku application/logplex documents | (library, mit, text) | 2015-12-13 | 0.1.0.2 | keith_duncan |
| logsink | 1 | 0.0 | 1 | A logging framework for Haskell | (library, mit, system) | 2017-05-30 | 0.2.0 | SimonHengel, jkarni |
| logstash | 2 | 0.0 | 2 | Logstash client library for Haskell | (library, mit, network) | 2023-06-25 | 0.1.0.4 | mbg |
| longboi | 1 | 0.0 | 1 | Dependently-typed linked list implementation | (data, library, mit) | 2018-01-16 | 1.0.0 | chessai |
| longshot | 7 | 1.5 | 0 | Fast Brute-force search using parallelism | (algorithm, cryptography, library, mit, parallelism, program, search) | 2021-12-13 | 0.1.0.6 | thyeem |
| loop | 4 | 0.0 | 4 | Fast loops (for when GHC can't optimize forM_) | (control, library, mit) | 2015-09-03 | 0.3.0 | NiklasHambuechen |
| loop-dsl | 1 | 1.5 | 0 | monadic loop dsl. | (control, library, mit) | 2021-11-15 | 0.1.0.0 | ailrk |
| looper | 11 | 0.0 | 0 | (library, mit, unclassified) | 2024-11-14 | 0.3.0.2 | Norfair | |
| lorentz | 36 | 0.0 | 4 | EDSL for the Michelson Language | (language, library, mit) | 2023-07-31 | 0.16.0 | gromak, pasqu4le, serokell |
| loshadka | 2 | 0.0 | 1 | Minecraft 1.7 server proxy that answers to queries when the server is offline | (mit, network, program) | 2014-04-25 | 0.2 | LnYnp6WCYyKG3yhdLDztVRuQjTFKEy |
| louis | 3 | 0.0 | 0 | Turning images into text using Braille font | (graphics, library, mit) | 2019-09-21 | 0.1.0.2 | tsoding |
| loup | 23 | 0.0 | 0 | Amazon Simple Workflow Service Wrapper for Work Pools. | (aws, cloud, distributed-computing, library, mit, network, program) | 2017-11-04 | 0.0.16 | markfine |
| lpeg | 6 | 0.0 | 2 | LPeg – Parsing Expression Grammars For Lua | (foreign, library, mit) | 2023-09-27 | 1.1.0 | tarleb |
| lsp | 21 | 0.0 | 38 | Haskell library for the Microsoft Language Server Protocol | (development, library, mit) | 2024-12-31 | 2.7.0.1 | AlanZimmerman, PepeIborra, wz1000, luke_, jneira, michaelpj |
| lsp-types | 43 | 0.0 | 24 | Haskell library for the Microsoft Language Server Protocol, data types | (development, library, mit, program) | 2024-12-31 | 2.3.0.1 | AlanZimmerman, AndreasAbel, PepeIborra, wz1000, luke_, jneira, michaelpj |
| ltiv1p1 | 3 | 0.0 | 1 | Partial implementation of a service provider for LTI 1.1. | (library, mit, network, web) | 2016-08-24 | 1.0.0.3 | achirkin |
| lua | 13 | 2.0 | 6 | Lua, an embeddable scripting language | (foreign, library, mit) | 2024-08-31 | 2.3.3 | tarleb |
| lua-arbitrary | 9 | 0.0 | 1 | Arbitrary instances for Lua types. | (foreign, library, mit) | 2023-03-13 | 1.0.1.1 | tarleb |
| lua-bc | 6 | 0.0 | 1 | Lua bytecode parser | (language, library, mit) | 2016-12-07 | 0.1.1 | EricMertens, galoisinc |
| luautils | 9 | 0.0 | 2 | Helpers for Haskell integration with Lua | (library, mit, scripting) | 2015-06-25 | 0.1.4 | AnupamJain |
| lucid-cdn | 11 | 0.0 | 1 | Curated list of CDN imports for lucid. | (library, mit, web) | 2020-10-16 | 0.2.2.0 | locallycompact |
| lucid-extras | 5 | 2.0 | 1 | Generate more HTML with Lucid - Bootstrap, Rdash, Vega-Lite, Leaflet JS, Email. | (graphics, library, mit, web) | 2019-02-19 | 0.2.2 | glutamate, ocramz |
| lushtags | 2 | 0.0 | 1 | Create ctags compatible tags files for Haskell programs | (development, mit, program) | 2011-09-20 | 0.0.1 | BitConnor |
| lye | 2 | 0.0 | 1 | A Lilypond-compiling music box | (mit, program, sound) | 2013-01-06 | 0.1.0.0 | CorbinSimpson |
| lz4-frame-conduit | 4 | 0.0 | 0 | Conduit implementing the official LZ4 frame streaming format | (library, mit, program, web) | 2024-12-17 | 0.1.0.2 | NiklasHambuechen |
| mackerel-client | 15 | 0.0 | 1 | An API client library for Mackerel | (library, mit, web) | 2020-07-18 | 0.3.0 | itchyny |
| maclight | 1 | 0.0 | 1 | Control screen and keyboard backlights on MACs under Linux | (apple, library, mit, program) | 2014-06-04 | 0.1.0.0 | TychoAndersen |
| mail-pool | 14 | 0.0 | 0 | Preconfigured email connection pool on top of smtp. | (email, library, mit, program) | 2024-08-14 | 2.3.1 | Jappie |
| mailchimp | 4 | 0.0 | 1 | Bindings for the MailChimp API | (library, mit, web) | 2017-06-07 | 0.3.0 | jpvillaisaza |
| mailchimp-subscribe | 2 | 0.0 | 1 | MailChimp subscription request handler | (mail, mit, program) | 2014-12-02 | 1.0 | mietek |
| mailtrap | 10 | 0.0 | 0 | Mailtrap API library. | (email, library, mit) | 2025-02-27 | 0.1.2.2 | DanielDiaz |
| make-monofoldable-foldable | 2 | 0.0 | 1 | Make a MonoFoldable type into an ordinary Foldable type. | (data, library, mit) | 2017-03-10 | 0.1.0.0 | clinton |
| makefile | 14 | 0.0 | 1 | Simple Makefile parser and generator | (library, mit, parsing) | 2017-10-23 | 1.1.0.0 | nmattia |
| mallard | 11 | 0.0 | 0 | Database migration and testing as a library. | (database, library, mit, program) | 2017-09-24 | 0.6.1.1 | andrewrademacher |
| mameya | 5 | 0.0 | 0 | Static Website Generator in Haskell | (library, mit, program, web) | 2018-09-16 | 0.2.1 | bururabit |
| managed-functions | 3 | 0.0 | 3 | Remote Management Framework | (library, mit, remote-management) | 2022-06-08 | 1.2.2.0 | martinbednar |
| managed-functions-http-connector | 1 | 0.0 | 1 | Simple HTTP-Based Connector for Managed Functions | (http, library, mit, remote-management) | 2022-06-06 | 1.0.0 | martinbednar |
| managed-functions-json | 1 | 0.0 | 1 | JSON Support for the Managed Functions Framework | (json, library, mit, remote-management) | 2022-06-06 | 1.0.0 | martinbednar |
| mandrill | 58 | 0.0 | 2 | Library for interfacing with the Mandrill JSON API | (library, mit, network) | 2025-03-11 | 0.5.8.0 | AlfredoDiNapoli, OliverCharles |
| maquinitas-tidal | 33 | 0.0 | 0 | library for MIDI control of hardware | (library, mit, sound) | 2022-11-23 | 0.2.17 | montoyamoraga |
| marihana | 5 | 0.0 | 0 | Minimal tool to make your blog in Haskell | (library, mit, program, web) | 2018-04-28 | 0.2.2.0 | suzukeno |
| markdown-unlit | 13 | 0.0 | 4 | Literate Haskell support for Markdown | (development, library, mit, program) | 2023-07-10 | 0.6.0 | SimonHengel |
| markov-processes | 0 | 0.0 | 1 | Hidden Markov processes. | (ai, library, mit) | 2014-05-16 | 0.0.2 | vi |
| marmalade-upload | 15 | 0.0 | 1 | Upload packages to Marmalade | (development, library, mit, program) | 2014-10-26 | 0.10 | lunaryorn |
| master-plan | 9 | 0.0 | 0 | The project management tool for hackers | (library, mit, program, tools) | 2017-08-18 | 0.3.1 | rodrigosetti |
| matcher | 5 | 0.0 | 4 | A composable abstraction for checking or converting a context value | (library, mit, unclassified) | 2016-04-04 | 0.1.1.3 | NikitaVolkov |
| matrix | 29 | 2.25 | 45 | A native implementation of matrix operations. | (library, math, mit) | 2025-02-27 | 0.3.6.4 | DanielDiaz |
| maude | 7 | 0.0 | 1 | An interface to the Maude rewriting system. | (language, library, mit) | 2012-07-09 | 0.6.1 | DavidLazar |
| mcmaster-gloss-examples | 1 | 0.0 | 1 | (graphics, mit, program) | 2014-04-07 | 2013 | yuriyt | |
| mcmc-types | 5 | 1.75 | 5 | Common types for sampling. | (library, math, mit, numeric) | 2016-12-04 | 1.0.3 | JaredTobin |
| mcp | 5 | 0.0 | 0 | A Haskell implementation of the Model Context Protocol (MCP) | (library, mit, network, program) | 2025-06-18 | 0.2.0.1 | tritlo |
| mdcat | 5 | 0.0 | 1 | Markdown viewer in your terminal | (library, mit, program, text) | 2015-03-17 | 0.1.0.4 | bobfang1992 |
| mdp | 2 | 0.0 | 0 | Tools for solving Markov Decision Processes. | (algorithms, library, math, mit, program) | 2016-11-29 | 0.1.1.0 | prsteele |
| mealstrom | 11 | 2.0 | 1 | Manipulate FSMs and store them in PostgreSQL. | (control, database, library, mit) | 2021-01-15 | 0.0.1.1 | amx |
| means | 1 | 0.0 | 1 | calculate varieties of mean/average using semigroup. | (data, library, mit) | 2016-06-13 | 0.1.0.0 | winterland |
| medea | 6 | 0.0 | 0 | A schema language for JSON. | (data, library, mit) | 2020-08-05 | 1.2.0 | koz_ross |
| mega-sdist | 48 | 0.0 | 1 | Handles uploading to Hackage from mega repos | (distribution, mit, program) | 2024-03-31 | 0.4.3.1 | MichaelSnoyman |
| melody | 1 | 0.0 | 1 | A functional scripting language | (language, library, mit, program) | 2014-01-10 | 0.2 | jozefg |
| memcache-conduit | 1 | 0.0 | 1 | Conduit library for memcache procotol | (library, mit, network) | 2015-04-27 | 0.0.3 | junjihashimoto |
| memcache-haskell | 0 | 0.0 | 2 | Memcache procotol library | (library, mit, network) | 2015-04-27 | 0.0.10.1 | ikehara, junjihashimoto, yjkmy |
| memcached-binary | 9 | 0.0 | 3 | memcached client using binary protocol. | (database, library, mit) | 2014-09-11 | 0.2.0 | HirotomoMoriwaki |
| memdb | 3 | 0.0 | 0 | Efficient in memory indexed database | (database, library, mit) | 2019-07-22 | 1.0.0.3 | pkamenarsky |
| memis | 0 | 0.0 | 1 | Memis Efficient Manual Image Sorting | (data, mit, program) | 2017-02-01 | 0.1.1 | johannesgerer |
| memo-map | 2 | 0.0 | 0 | Memoization in a Map | (library, memoization, mit) | 2025-03-26 | 0.0.0.0 | PatrickBrisbin, dukerutledge, mjgpy3, chris_martin, FreckleEngineering, OlaoluwaM |
| memo-ptr | 1 | 0.0 | 1 | Pointer equality memoization | (control, library, mit) | 2015-05-31 | 0.1.0.0 | edofic |
| memoization-utils | 2 | 0.0 | 1 | Utilities for memoizing functions | (control, library, mit) | 2015-11-06 | 0.1.0.1 | yamadapc |
| menoh | 7 | 0.0 | 0 | Haskell binding for Menoh DNN inference library | (deep-learning, library, machine-learning, mit) | 2018-11-08 | 0.3.0 | MasahiroSakai |
| mercury-api | 9 | 0.0 | 0 | Haskell binding to Mercury API for ThingMagic RFID readers | (hardware, library, mit, program) | 2019-01-09 | 0.1.0.2 | ppelleti |
| merge | 5 | 0.0 | 1 | A functor for consistent merging of information | (data, library, mit) | 2021-09-19 | 0.3.1.1 | sgschlesinger |
| mergeful | 21 | 0.0 | 2 | (library, mit, unclassified) | 2022-06-19 | 0.3.0.0 | Norfair | |
| mergeful-persistent | 3 | 0.0 | 0 | Support for using mergeful from persistent-based databases | (library, mit, unclassified) | 2023-10-09 | 0.3.0.1 | Norfair |
| mergeless | 9 | 0.0 | 2 | (library, mit, unclassified) | 2022-06-19 | 0.4.0.0 | Norfair | |
| mergeless-persistent | 3 | 0.0 | 0 | Support for using mergeless from persistent-based databases | (library, mit, unclassified) | 2023-10-09 | 0.1.0.1 | Norfair |
| message-db-temp | 3 | 0.0 | 0 | Temporary message-db for integration testing | (database, eventsourcing, eventstore, library, mit, testing) | 2022-07-16 | 0.0.1.0 | discodave |
| messagepack | 28 | 0.0 | 14 | Serialize instance for Message Pack Object | (data, library, mit) | 2022-03-20 | 0.5.5 | rodrigosetti, saep |
| messagepack-rpc | 10 | 0.0 | 1 | Message Pack RPC over TCP | (library, mit, network) | 2015-11-04 | 0.5.1 | rodrigosetti |
| messente | 2 | 0.0 | 1 | Messente SMS Gateway | (api, library, mit) | 2015-04-04 | 0.1.0.1 | kaiko |
| metric | 2 | 0.0 | 2 | Metric spaces. | (data, library, mit) | 2014-05-30 | 0.2.0 | vi, SimonAlling |
| metrics | 9 | 0.0 | 1 | High-performance application metric tracking | (data, library, mit) | 2017-08-09 | 0.4.1.1 | IanDuncan |
| mezzo | 7 | 2.0 | 1 | Typesafe music composition | (library, mit, music) | 2017-10-08 | 0.3.1.0 | DimaSamoz |
| mgeneric | 4 | 0.0 | 1 | Generics with multiple parameters | (data, library, mit) | 2015-03-21 | 0.0.0.2 | rbocquet |
| mi | 1 | 0.0 | 1 | Multiple Instance for Haskell | (language, library, mit) | 2014-02-28 | 0.0.1 | matt |
| microbase | 10 | 0.0 | 1 | A minimal base to work around GHC bugs. | (library, mit, prelude) | 2021-01-21 | 4.15.0.0.1 | dailectic |
| microgroove | 3 | 0.0 | 1 | Array-backed extensible records | (library, mit, records) | 2018-02-20 | 0.2.1.0 | dailectic |
| microlens-aeson | 35 | 0.0 | 6 | Law-abiding lenses for Aeson, using microlens | (library, mit, numeric) | 2024-03-01 | 2.5.2 | fosskers |
| microsoft-translator | 6 | 0.0 | 1 | Bindings to the Microsoft Translator API | (library, mit, natural-language) | 2018-12-29 | 0.1.2 | Cliff_Harvey |
| mighty-metropolis | 11 | 0.0 | 1 | The Metropolis algorithm. | (library, mit, numeric) | 2020-05-21 | 2.0.0 | JaredTobin |
| mime-mail | 84 | 2.0 | 30 | Compose MIME email messages. | (email, library, mit) | 2021-02-23 | 0.5.1 | DanielChoi, MichaelSnoyman, psibi, MarekSuchanek |
| mime-mail-ses | 53 | 0.0 | 1 | Send mime-mail messages via Amazon SES | (library, mit, program, web) | 2020-09-04 | 0.4.3 | MichaelSnoyman, psibi, kindaro |
| mime-types | 21 | 0.0 | 59 | Basic mime-type handling types and functions | (library, mit, web) | 2023-10-18 | 0.1.2.0 | MichaelSnoyman |
| mini | 27 | 0.0 | 0 | Minimal essentials | (library, mit) | 2025-04-27 | 1.6.0.0 | vicwall |
| mini-egison | 10 | 0.0 | 1 | Template Haskell Implementation of Egison Pattern Matching | (data, library, mit, pattern, program) | 2020-03-04 | 1.0.0 | SatoshiEgi, momohatt |
| miniforth | 3 | 0.0 | 1 | Miniature FORTH-like interpreter | (language, library, mit, program) | 2015-03-08 | 0.1.0.1 | L8D |
| minilight | 13 | 0.0 | 1 | A SDL2-based graphics library, batteries-included. | (graphics, library, mit, program) | 2020-05-05 | 0.5.0 | myuon |
| minilight-lua | 3 | 0.0 | 0 | A binding library of minilight for Lua langauge. | (graphics, library, mit, program) | 2020-05-16 | 0.2.1.0 | myuon |
| minion | 4 | 0.0 | 5 | A Haskell introspectable web router | (library, mit, program, web) | 2024-10-01 | 0.1.0.1 | goosedb |
| minion-conduit | 2 | 0.0 | 0 | Minion conduit support | (library, mit, program, web) | 2024-09-29 | 0.1.0.0 | goosedb |
| minion-htmx | 2 | 0.0 | 0 | Minion HTMX support | (library, mit, web) | 2024-09-29 | 0.1.0.0 | goosedb |
| minion-jwt | 1 | 0.0 | 0 | Minion JWT support | (library, mit, program, web) | 2024-09-29 | 0.1.0.0 | goosedb |
| minion-openapi3 | 4 | 0.0 | 0 | Minion openapi3 support | (library, mit, web) | 2024-10-08 | 0.1.0.1 | goosedb |
| minion-wai-extra | 2 | 0.0 | 1 | Minion wrappers for wai-extra | (library, mit, program, web) | 2024-09-29 | 0.1.0.0 | goosedb |
| minisat-solver | 2 | 0.0 | 2 | High-level Haskell bindings for the MiniSat SAT solver. | (library, logic, mit) | 2016-10-24 | 0.1 | PeterSelinger |
| miniterion | 3 | 0.0 | 0 | Simple and lightweight benchmarking utilities | (benchmarking, library, mit) | 2024-05-29 | 0.1.1.1 | AtsuroHoshino |
| minlen | 1 | 0.0 | 1 | Express the minimum length of a container in its type | (data, library, mit) | 2016-07-04 | 0.1.0.0 | MichaelSnoyman |
| minmax | 2 | 0.0 | 5 | Functions to find both minimum and maximum (or several of them simultaneously) in one pass. | (data, development, library, mit) | 2024-01-15 | 0.1.1.0 | OleksandrZhabenko |
| misfortune | 21 | 0.0 | 3 | fortune-mod clone | (console, game, library, mit, program, public-domain) | 2022-08-12 | 0.1.2.1 | JamesCook, ncfavier |
| mit-3qvpPyAi6mH | 21 | 0.0 | 0 | A git wrapper with a streamlined UX | (cli, library, mit, program) | 2024-10-16 | 12 | mitchellwrosen |
| miv | 9 | 0.0 | 0 | Vim plugin manager written in Haskell | (compiler, mit, program) | 2025-06-19 | 0.4.9 | itchyny |
| mixed-strategies | 1 | 0.0 | 1 | Find optimal mixed strategies for two-player games | (library, math, mit, program) | 2012-12-14 | 0.1.0.0 | BartonMassey |
| mm2 (deprecated in favor of mmsyn2) | 1 | 0.0 | 0 | The library that can be used for optimization of multiple (Ord a) => a -> b transformations | (binary-search, deprecated, development, library, mit) | 2019-09-21 | 0.1.1.0 | OleksandrZhabenko |
| mmsyn2 | 15 | 0.0 | 16 | The library that can be used for multiple (Ord a) => a -> b transformations | (binary-search, development, library, mit) | 2021-03-29 | 0.3.2.0 | OleksandrZhabenko |
| mmsyn2-array | 26 | 0.0 | 24 | A library that can be used for multiple Ord a => a -> b transformations. | (binary-search, data, development, language, library, mit) | 2023-01-28 | 0.3.1.1 | OleksandrZhabenko |
| mmsyn2-array-ukrainian-data | 3 | 0.0 | 1 | Data that is taken from the ukrainian-phonetics-basic-array for optimization. | (data, language, library, math, mit) | 2023-01-31 | 0.2.0.0 | OleksandrZhabenko |
| mmsyn2-hashable | 1 | 0.0 | 0 | A library that can be used for multiple Hashable a => a -> b transformations. | (data, development, language, library, mit) | 2021-10-31 | 0.1.0.0 | OleksandrZhabenko |
| mmsyn3 (deprecated in favor of end-of-exe) | 8 | 1.25 | 22 | A small library to deal with executable endings | (deprecated, library, mit, system) | 2023-02-02 | 0.2.0.0 | OleksandrZhabenko |
| mmsyn4 (deprecated in favor of gvti) | 21 | 1.25 | 0 | The "glue" between electronic tables and GraphViz | (GraphViz, deprecated, graphics, library, mit, program) | 2022-08-13 | 0.6.4.0 | OleksandrZhabenko |
| mmsyn5 | 29 | 0.0 | 11 | Various additional operations on lists (some with intermediate Monads) | (data, library, lists, mit) | 2023-02-02 | 0.6.0.0 | OleksandrZhabenko |
| mmsyn6ukr | 40 | 0.0 | 10 | A musical instrument synthesizer or a tool for Ukrainian language listening | (Ukrainian, language, library, mit, program, speech-approximation) | 2020-11-07 | 0.9.0.0 | OleksandrZhabenko |
| mmsyn6ukr-array | 7 | 0.0 | 0 | A musical instrument synthesizer or a tool for Ukrainian language listening | (Ukrainian, language, library, mit, program, tts) | 2022-08-15 | 0.3.3.0 | OleksandrZhabenko |
| mmsyn7h | 39 | 0.0 | 0 | Produces a sound recording specified by the Ukrainian text. | (Ukrainian, language, library, mit, program, sound, sox, speech-approximation, speech-transformation, voice) | 2020-12-03 | 0.8.1.0 | OleksandrZhabenko |
| mmsyn7l | 45 | 0.0 | 7 | Modifies the amplitudes of the sounds representations created by mmsyn7ukr-array and mmsyn7ukr packages. | (Ukrainian, library, mit, program, sound, sox, speech-approximation, speech-transformation, voice) | 2024-12-19 | 0.9.2.0 | OleksandrZhabenko |
| mmsyn7s | 31 | 0.0 | 6 | Shows a sorted list of the Ukrainian sounds representations that can be used by mmsyn7 series of programs | (Ukrainian, language, library, mit, program, speech-approximation, speech-transformation, syllable-segmentation) | 2020-10-09 | 0.9.1.0 | OleksandrZhabenko |
| mmsyn7ukr | 69 | 0.0 | 4 | A simple basic interface to some SoX functionality or to produce a voice that can be used by mmsyn7h | (Ukrainian, language, library, mit, program, sound, sox, speech-approximation, speech-transformation, voice) | 2020-08-16 | 0.17.0.0 | OleksandrZhabenko |
| mmsyn7ukr-array | 5 | 0.0 | 1 | A simple reduced basic interface to some SoX functionality or to produce a voice that can be used by dobutokO2 and other similar packages | (language, library, mit, sound) | 2024-12-19 | 0.3.0.0 | OleksandrZhabenko |
| mmsyn7ukr-common | 7 | 0.0 | 6 | Some common for mmsyn7ukr and mmsyn7ukr-array functionality using SoX. | (Ukrainian, language, library, mit, sound, sox) | 2024-12-19 | 0.3.1.0 | OleksandrZhabenko |
| mmzk-typeid | 40 | 1.5 | 1 | A TypeID and UUIDv7 implementation for Haskell | (data, library, mit, typeid, uuid, uuidv7) | 2025-04-22 | 0.7.0.2 | MMZK1526 |
| mockazo | 1 | 0.0 | 0 | Mock records of functions easily | (library, mit, testing) | 2019-07-02 | 0.1.1 | NickSeagull |
| mockcat | 8 | 0.0 | 0 | Mock library for test in Haskell. | (library, mit, testing) | 2024-11-14 | 0.5.2.0 | funnycat |
| mockery | 14 | 0.0 | 1 | Support functions for automated testing | (library, mit, testing) | 2017-06-13 | 0.3.5 | SimonHengel, SoenkeHahn |
| mod | 10 | 2.0 | 7 | Fast type-safe modular arithmetic | (library, math, mit, number-theory) | 2023-02-13 | 0.2.0.1 | Bodigrim |
| modular-prelude (deprecated) | 5 | 0.0 | 2 | A new Prelude featuring first class modules | (control, deprecated, library, mit) | 2012-08-18 | 0.3.0.0 | DanBurton |
| modular-prelude-classy (deprecated) | 2 | 0.0 | 1 | Reifying ClassyPrelude a la ModularPrelude | (control, deprecated, library, mit) | 2012-08-18 | 0.1.0.0 | DanBurton |
| module-munging | 3 | 0.0 | 1 | Smash together text to make modules. | (codegen, library, mit) | 2024-02-24 | 0.1.0.1 | jship |
| mole | 7 | 0.0 | 1 | A glorified string replacement tool | (mit, program, system) | 2020-05-02 | 0.0.7 | wereHamster |
| monad-bayes | 26 | 0.0 | 1 | A library for probabilistic programming. | (library, mit, program, statistics) | 2024-11-10 | 1.3.0.4 | DominicSteinitz, turion |
| monad-classes (deprecated) | 16 | 2.0 | 7 | more flexible mtl | (control, deprecated, library, mit) | 2018-05-07 | 0.3.2.2 | |
| monad-gen | 10 | 0.0 | 4 | A simple monad for generating fresh integers | (library, mit, utility) | 2014-12-16 | 0.3.0.1 | jozefg |
| monad-levels | 3 | 0.0 | 1 | Specific levels of monad transformers | (control, library, mit) | 2015-02-03 | 0.1.0.1 | IvanMiljenovic |
| monad-log | 2 | 0.0 | 1 | A simple and fast logging monad | (development, library, mit) | 2016-04-25 | 0.1.1.0 | winterland |
| monad-logger | 178 | 0.0 | 250 | A class of monads which can log messages. | (library, mit, system) | 2025-03-10 | 0.3.42 | MichaelSnoyman |
| monad-logger-aeson | 24 | 2.0 | 5 | JSON logging using monad-logger interface | (library, mit, program, system) | 2024-03-17 | 0.4.1.3 | jship |
| monad-logger-json | 0 | 0.0 | 1 | JSON-friendly Logging APIs | (library, logging, mit) | 2015-03-31 | 0.1.0.0 | MichaelSnoyman, dysinger |
| monad-logger-logstash | 3 | 0.0 | 0 | Logstash backend for monad-logger. | (library, mit, system) | 2021-11-29 | 0.2.0.2 | mbg |
| monad-logger-syslog | 10 | 0.0 | 1 | syslog output for monad-logger | (library, logging, mit) | 2025-02-18 | 0.1.6.1 | GregWeber, MichaelSnoyman, dysinger, iamemhn |
| monad-markov | 1 | 0.0 | 1 | Markov process monad | (control, library, mit) | 2018-06-29 | 0.1.0.0 | arran |
| monad-metrics | 14 | 2.0 | 3 | A convenient wrapper around EKG metrics | (library, mit, web) | 2024-07-07 | 0.2.2.2 | parsonsmatt |
| monad-open | 1 | 0.0 | 1 | Open recursion for when you need it | (control, library, mit) | 2015-03-22 | 0.1.0.0 | JonSterling |
| monad-parallel-progressbar | 3 | 0.0 | 1 | Parallel execution of monadic computations with a progress bar | (control, library, mit, monads, system, user-interfaces) | 2015-04-05 | 0.1.0.1 | mnacamura |
| monad-recorder | 2 | 0.0 | 1 | Record and replay the results of monadic actions | (general, library, mit) | 2018-03-18 | 0.1.1 | harendra |
| monad-schedule | 10 | 0.0 | 3 | A new, simple, composable concurrency abstraction. | (concurrency, library, mit) | 2025-03-25 | 0.2.0.2 | turion |
| monad-time-effectful | 0 | 0.0 | 0 | Adaptation of the monad-time library for the effectful ecosystem. | (control, library, mit) | 2023-06-19 | 1.0.0.0 | arybczak |
| monad-timing | 6 | 0.0 | 1 | Monad transformer for recording timing events | (control, library, mit) | 2016-06-13 | 0.1.0.1 | pikajude |
| monad-tree | 4 | 0.0 | 0 | Tree data structure for nondeterministic computations. | (control, library, mit) | 2021-11-09 | 0.2.0.0 | nbedell |
| monad-unify | 5 | 0.0 | 2 | Generic first-order unification | (library, mit, unification) | 2014-04-15 | 0.2.2 | PhilFreeman |
| monad-unlift (deprecated in favor of unliftio-core, unliftio, rio) | 5 | 0.0 | 6 | Typeclasses for representing monad transformer unlifting | (control, deprecated, library, mit) | 2016-05-03 | 0.2.0 | MichaelSnoyman |
| monad-unlift-ref | 5 | 2.0 | 1 | Typeclasses for representing monad transformer unlifting | (control, library, mit) | 2017-11-21 | 0.2.1 | MichaelSnoyman |
| monadic-bang | 21 | 0.0 | 0 | GHC plugin to desugar ! into do-notation | (development, library, mit) | 2024-12-19 | 0.2.2.2 | JakobBruenker |
| monadlog | 1 | 0.0 | 1 | A simple and fast logging monad | (development, library, mit) | 2017-11-07 | 0.1.1.1 | zmactep |
| mondo (deprecated in favor of monzo) | 4 | 0.0 | 1 | Haskell bindings for the Mondo API | (deprecated, library, mit, web) | 2016-04-05 | 0.3.0.0 | mbg |
| money | 1 | 0.0 | 1 | Money | (finance, library, mit) | 2016-11-23 | 0.1.0 | jpvillaisaza |
| mongodb-queue | 27 | 0.0 | 1 | message queue using MongoDB | (database, library, mit) | 2014-01-22 | 0.4.0.1 | GregWeber |
| mongrel2-handler | 13 | 0.0 | 1 | Mongrel2 Handler Library | (library, mit, web) | 2011-08-06 | 0.3.2 | BardurArantsson |
| monitor | 2 | 0.0 | 1 | Do things when files change. | (mit, program, system) | 2013-07-10 | 0.1.1 | MartinStensgard |
| mono-traversable | 132 | 2.0 | 91 | Type classes for mapping, folding, and traversing monomorphic containers | (data, library, mit) | 2024-12-13 | 1.0.21.0 | AndreasAbel, GregWeber, MichaelSnoyman, WilliamRusnack |
| mono-traversable-instances | 3 | 0.0 | 2 | Extra typeclass instances for mono-traversable | (data, library, mit) | 2020-07-19 | 0.1.1.0 | MichaelSnoyman |
| mono-traversable-wrapper | 1 | 0.0 | 1 | Wrapper providing Foldable instance for MonoFoldables. | (data, library, mit) | 2017-02-26 | 0.1.0.1 | oisdk |
| monoid-absorbing | 3 | 0.0 | 1 | A library for (left, right) zero monoids and backtracking with cut | (algebra, library, mit) | 2015-10-16 | 0.1.0.4 | maciejpirog |
| monoid-insertleft | 3 | 0.0 | 6 | Some extension to the Foldable and Monoid classes. | (data, development, library, mit) | 2024-01-13 | 0.1.0.1 | OleksandrZhabenko |
| monoidal-functors | 4 | 2.0 | 0 | Monoidal Functors Library | (categories, control, library, mit, program) | 2023-08-03 | 0.2.3.0 | solomon |
| monomer-flatpak-example | 37 | 0.0 | 0 | Monomer Flatpak Example Application. | (flatpak, gui, mit, program) | 2025-01-12 | 0.0.17.1 | garethdanielsmith |
| monomer-hagrid | 17 | 2.0 | 0 | A datagrid widget for the Monomer library. | (gui, library, mit) | 2024-12-28 | 0.4.0.1 | garethdanielsmith |
| monus-weighted-search | 1 | 2.0 | 0 | Efficient search weighted by an ordered monoid with monus. | (data-structures, library, mit) | 2021-08-29 | 0.1.0.0 | oisdk |
| monzo | 2 | 0.0 | 1 | Haskell bindings for the Monzo API | (library, mit, web) | 2016-08-27 | 0.4.0.0 | mbg |
| more-containers | 19 | 0.0 | 1 | A few more collections | (data-structures, library, mit) | 2021-04-05 | 0.2.2.2 | mtth |
| morley | 76 | 0.0 | 5 | Developer tools for the Michelson Language | (language, library, mit, program) | 2023-07-31 | 1.20.0 | gromak, pasqu4le, serokell |
| morley-client | 40 | 0.0 | 2 | Client to interact with the Tezos blockchain | (blockchain, library, mit, program) | 2023-07-31 | 0.4.0 | pasqu4le, serokell |
| morley-prelude | 23 | 2.0 | 6 | A custom prelude used in Morley | (library, mit, prelude) | 2023-07-31 | 0.6.0 | gromak, pasqu4le, serokell |
| morley-upgradeable | 3 | 0.0 | 0 | Upgradeability infrastructure based on Morley. | (language, library, mit, program) | 2021-04-02 | 0.3 | pasqu4le, serokell |
| morpheus-graphql | 133 | 2.5 | 0 | Morpheus GraphQL | (graphql, library, mit, web) | 2024-06-10 | 0.28.1 | nalchevanidze |
| morpheus-graphql-app | 35 | 0.0 | 3 | Morpheus GraphQL App | (graphql, library, mit, web) | 2024-06-10 | 0.28.1 | nalchevanidze |
| morpheus-graphql-client | 38 | 2.25 | 0 | Morpheus GraphQL Client | (client, graphql, library, mit, web) | 2024-06-10 | 0.28.1 | nalchevanidze |
| morpheus-graphql-core | 34 | 2.0 | 7 | Morpheus GraphQL Core | (graphql, library, mit, web) | 2024-06-10 | 0.28.1 | nalchevanidze |
| morpheus-graphql-server | 17 | 0.0 | 2 | Morpheus GraphQL | (graphql, library, mit, web) | 2024-06-10 | 0.28.1 | nalchevanidze |
| morpheus-graphql-subscriptions | 28 | 0.0 | 1 | Morpheus GraphQL Subscriptions | (graphql, library, mit, subscriptions, web) | 2024-06-10 | 0.28.1 | nalchevanidze |
| morpheus-graphql-tests | 30 | 0.0 | 0 | Morpheus GraphQL Test | (graphql, library, mit, test, web) | 2024-06-10 | 0.28.1 | nalchevanidze |
| morphisms | 1 | 0.0 | 3 | It's all about functions | (control, data, library, mit) | 2019-01-04 | 0.1.1 | iokasimovmt |
| morphisms-functors | 12 | 0.0 | 1 | Functors, theirs compositions and transformations | (control, data, library, mit) | 2019-01-15 | 0.1.7 | iokasimovmt |
| morphisms-functors-inventory | 1 | 0.0 | 0 | Inventory is state and store | (control, data, library, mit) | 2019-01-12 | 0.1.0 | iokasimovmt |
| morphisms-objects | 4 | 0.0 | 0 | Algebraic structures | (control, data, library, mit) | 2019-01-08 | 0.1.3 | iokasimovmt |
| moss | 1 | 0.0 | 0 | Haskell client for Moss | (library, mit, web) | 2022-05-20 | 0.2.0.1 | mbg |
| moving-averages | 2 | 0.0 | 1 | This is a library for calculating moving averages on lists of numbers. | (library, mathematics, mit) | 2017-05-12 | 0.2.0.0 | joshuaclayton |
| mpeff | 2 | 0.0 | 0 | Efficient effect handlers based on evidence-passing semantics | (control, effect, library, mit) | 2021-08-09 | 0.1.0.0 | ningningxie |
| mqtt | 2 | 0.0 | 1 | An MQTT protocol implementation. | (iot, library, mit, network) | 2017-03-23 | 0.1.1.0 | LarsPetersen |
| mr-env | 8 | 2.0 | 0 | A simple way to read environment variables in Haskell | (library, mit, system) | 2022-11-06 | 0.1.0.5 | meowgorithm |
| msh (deprecated in favor of hoop) | 4 | 0.0 | 1 | Object-Oriented Programming in Haskell | (deprecated, language, library, mit) | 2015-10-21 | 0.1.0.2 | mbg |
| msu | 3 | 0.0 | 1 | Monitor Setup Utility | (library, mit, program, unclassified) | 2021-10-14 | 0.2.0.0 | PatrickBrisbin |
| mt19937 | 2 | 0.0 | 0 | Standard 32-bit Mersenne Twister PRNG, in pure Haskell | (cryptography, data, library, mit, random) | 2024-07-14 | 0.1.1 | raehik |
| mtl-prelude | 13 | 0.0 | 11 | Reexports of most definitions from "mtl" and "transformers" | (library, mit, prelude) | 2023-03-25 | 2.0.3.2 | NikitaVolkov |
| mtl-uplift | 1 | 0.0 | 0 | Lift substacks of monad transformer stacks | (control, library, mit) | 2022-01-21 | 0.1.0.1 | sgschlesinger |
| mtsl | 3 | 0.0 | 0 | Reified monad transformer stacks | (control, library, mit) | 2020-09-28 | 0.2.0.0 | sgschlesinger |
| muesli | 4 | 0.0 | 1 | A simple document-oriented database | (database, library, mit) | 2015-05-29 | 0.1.1.0 | CalinArdelean |
| multi-cabal | 3 | 0.0 | 0 | A tool supporting multi cabal project builds. | (development, library, mit, program) | 2015-08-06 | 0.1.0.0 | bash0r |
| multi-except | 31 | 2.0 | 0 | Multiple Exceptions | (exceptions, library, mit) | 2024-01-03 | 2.0.0 | 414owen |
| multi-trie | 0 | 0.0 | 1 | Trie of sets, as a model for compound names having multiple values | (data, library, mit) | 2016-11-07 | 0.1 | vadimvinnik |
| multimap | 10 | 0.0 | 13 | A multimap. | (data-structures, library, mit) | 2013-06-01 | 1.2.1 | JulianFleischer |
| multipath | 1 | 0.0 | 1 | Parser and builder for unix-path-like objects. | (codec, library, mit) | 2016-11-05 | 0.1.0.0 | SupraSummus |
| multiplate | 5 | 0.0 | 3 | Lightweight generic library for mutually recursive data types. | (generics, lenses, library, mit) | 2015-09-27 | 0.0.3 | RussellOConnor |
| multiplate-simplified | 2 | 0.0 | 2 | Shorter, more generic functions for Multiplate. | (generics, library, mit) | 2012-04-22 | 0.0.0.2 | BalazsEndresz |
| murmur3 | 13 | 0.0 | 4 | Pure Haskell implementation of the MurmurHash3 x86 algorithm | (data, hash, library, mit, murmur, public-domain) | 2025-05-09 | 1.0.6 | jprupp |
| mustache-haskell | 9 | 0.0 | 1 | Straight implementation of mustache templates | (library, mit, program, text) | 2014-12-11 | 0.1.0.5 | DanielChoi |
| mutable-containers | 29 | 0.0 | 7 | Abstactions and concrete implementations of mutable containers | (data, library, mit) | 2022-09-23 | 0.3.4.1 | MichaelSnoyman |
| mutable-fenwick | 2 | 2.0 | 0 | Mutable Fenwick trees | (data, library, mit) | 2025-05-28 | 0.1.1.0 | aaparsa |
| mwc-probability | 25 | 0.0 | 15 | Sampling function-based probability distributions. | (library, math, mit) | 2020-07-31 | 2.3.1 | JaredTobin, ocramz |
| mxnet | 3 | 0.0 | 2 | MXNet interface in Haskell. | (library, machine-learning, mit) | 2017-10-22 | 0.2.0.0 | sighingnow |
| mxnet-examples | 3 | 0.0 | 1 | Examples for MXNet in Haskell. | (machine-learning, mit, program) | 2017-10-22 | 0.2.0.0 | sighingnow |
| mxnet-nnvm (deprecated in favor of mxnet) | 1 | 0.0 | 1 | NNVM interface in Haskell. | (deprecated, library, machine-learning, mit) | 2017-02-10 | 0.1.0.0 | sighingnow |
| myo | 2 | 0.0 | 0 | Haskell binding to the Myo armband | (library, mit, program, system) | 2015-09-13 | 0.2.0.0 | AlfredoDiNapoli |
| mysql-effect | 8 | 0.0 | 1 | An extensible mysql effect using extensible-effects and mysql-simple | (database, effect, library, mit) | 2014-06-05 | 0.2.0.3 | ibotty |
| mysql-json-table | 10 | 0.0 | 0 | Using MySQL to store id-to-json tables. | (database, library, mit, program) | 2025-03-01 | 0.1.4.1 | DanielDiaz |
| mystem | 1 | 0.0 | 0 | Bindings for Mystem morphological analyzer executabe | (library, mit, natural-language-processing, program) | 2016-08-02 | 0.1.0.0 | wapxmas |
| mywatch | 8 | 0.0 | 1 | Web application to view and kill MySQL queries | (databases, mit, program, web) | 2017-05-20 | 0.3.0 | ip1981 |
| myxine-client | 13 | 0.0 | 0 | A Haskell client for the Myxine GUI server | (gui, library, mit) | 2020-08-17 | 0.0.1.2 | kwf |
| nagios-check | 15 | 0.0 | 2 | Package for writing monitoring plugins | (library, metrics, mit, monitoring, system) | 2015-09-01 | 0.3.2 | fractalcat |
| nagios-plugin-ekg | 3 | 0.0 | 0 | Monitor ekg metrics via Nagios | (library, mit, program, system) | 2015-06-26 | 0.1.1.0 | fractalcat |
| named-binary-tag | 2 | 0.0 | 0 | NBT (named binary tag) serialization and deserialization. | (data, library, mit) | 2022-10-11 | 0.1.0.0 | davidgarland |
| named-records | 24 | 0.0 | 1 | Flexible records with named fields. | (data, library, mit, records) | 2013-05-26 | 0.5 | JulianFleischer |
| named-sop | 7 | 0.0 | 0 | Dependently-typed sums and products, tagged by field name | (data, library, mit) | 2020-02-20 | 0.3.0.0 | sjsch |
| namelist | 2 | 0.0 | 1 | fortran90 namelist parser/pretty printer | (library, mit, text) | 2015-06-12 | 0.1.0 | HirotomoMoriwaki |
| names | 7 | 0.0 | 2 | Type level names. | (data, library, mit, type-system) | 2013-04-02 | 0.3.1 | JulianFleischer |
| nano-erl | 1 | 2.0 | 1 | Small library for Erlang-style actor semantics | (concurrency, library, mit) | 2016-01-23 | 0.1.0.1 | TomMurphy |
| nanomsg-haskell | 12 | 0.0 | 3 | Bindings to the nanomsg library | (library, mit, network) | 2025-07-19 | 0.2.5 | BenGamari, IvarNymoen |
| nanospec | 4 | 0.0 | 1 | A lightweight implementation of a subset of Hspec's API | (library, mit, testing) | 2018-01-11 | 0.2.2 | SimonHengel |
| nat-optics | 8 | 0.0 | 0 | Refinement types for natural numbers with an optics interface | (library, mit, numeric, optics) | 2025-01-21 | 1.0.1.1 | chris_martin, Monoid_Mary |
| nat-sized-numbers | 3 | 0.0 | 1 | Variable-sized numbers from type-level nats. | (library, mit, numeric) | 2017-05-05 | 0.3.0.0 | oisdk |
| ndjson-conduit | 7 | 0.0 | 1 | Conduit-based parsing and serialization for newline delimited JSON. | (data, library, mit) | 2016-09-15 | 0.1.0.5 | srijs |
| neat | 1 | 0.0 | 1 | A Fast Retargetable Template Engine | (library, mit, program, text) | 2014-02-08 | 0.1.0 | ajg |
| neat-interpolation | 62 | 2.5 | 42 | Quasiquoter for neat and simple multiline text interpolation | (library, mit, quasiqoutes, quasiquotes, string) | 2023-10-11 | 0.5.1.4 | NikitaVolkov |
| needle | 2 | 0.0 | 1 | ASCII-fied arrow notation | (control, library, mit) | 2014-09-28 | 0.1.0.1 | ScrambledEggs |
| neither-data | 20 | 0.0 | 0 | The Neither datatype | (data, library, mit) | 2022-03-19 | 0.2.3.4 | anselmschueler |
| nekos-best | 3 | 2.0 | 0 | Unofficial nekos.best API wrapper | (catgirls, library, mit) | 2023-07-27 | 0.2.0.0 | xQuantx |
| nerd-font-icons | 1 | 2.0 | 0 | Nerd Font Icons for use in haskell | (graphics, library, mit) | 2025-03-31 | 0.1.0.0 | ccntrq |
| netpbm | 11 | 0.0 | 3 | Loading PBM, PGM, PPM image files | (codec, graphics, library, mit) | 2021-02-28 | 1.0.4 | NiklasHambuechen, PatrickChilton |
| netrium | 1 | 0.0 | 0 | Contract normaliser and simulator | (finance, library, mit, program) | 2018-02-01 | 0.6.0 | abrar |
| nettle | 10 | 0.0 | 2 | safe nettle binding | (cryptography, library, mit) | 2024-02-12 | 0.3.1.1 | ClintAdams, stbuehler |
| netwire-input | 14 | 0.0 | 3 | Input handling abstractions for netwire | (game, library, mit) | 2018-03-09 | 0.0.7 | Mokosha |
| netwire-input-glfw | 15 | 0.0 | 1 | GLFW instance of netwire-input | (game, library, mit) | 2024-01-05 | 0.0.12 | Mokosha |
| netwire-vinylglfw-examples | 3 | 0.0 | 1 | Netwire/GLFW/VinylGL input handling demo | (game, mit, program) | 2016-10-22 | 1.0.0 | RandKleisli |
| network-address | 2 | 0.0 | 1 | IP data structures and textual representation | (data, library, mit, network) | 2011-09-07 | 0.2.0 | SebastianNowicki |
| network-anonymous-i2p | 5 | 0.0 | 1 | Haskell API for I2P anonymous networking | (library, mit, network) | 2015-03-26 | 0.10.0 | solatis |
| network-anonymous-tor | 8 | 0.0 | 0 | Haskell API for Tor anonymous networking | (library, mit, network, program) | 2015-10-23 | 0.11.0 | solatis |
| network-arbitrary | 19 | 2.0 | 1 | Arbitrary Instances for Network Types | (library, mit, testing) | 2024-05-26 | 1.0.0.1 | alunduil |
| network-attoparsec | 15 | 0.0 | 3 | Utility functions for running a parser against a socket | (library, mit, network, parsing) | 2015-03-15 | 0.12.2 | solatis |
| network-conduit-tls | 38 | 0.0 | 7 | Create TLS-aware network code with conduits | (library, mit, network) | 2024-06-30 | 1.4.0.1 | MichaelSnoyman |
| network-enumerator (deprecated) | 12 | 0.0 | 6 | Enumerators for network sockets | (data, deprecated, enumerator, library, mit) | 2012-11-25 | 0.1.5 | JohnMillikin |
| network-service | 1 | 0.0 | 1 | Provide a service at the data type level. | (library, mit, network) | 2014-12-01 | 0.1.0.0 | angerman |
| network-transport-amqp | 1 | 0.0 | 1 | AMQP-based transport layer for distributed-process (aka Cloud Haskell) | (library, mit, network) | 2015-04-16 | 0.1.0.0 | AlfredoDiNapoli |
| network-uri-json | 11 | 0.0 | 2 | FromJSON and ToJSON Instances for Network.URI | (library, mit, network) | 2020-08-28 | 0.4.0.0 | alunduil |
| network-uri-static | 7 | 0.0 | 1 | A small utility to declare type-safe static URIs | (library, mit, network) | 2020-05-05 | 0.1.2.2 | snak |
| network-voicetext | 1 | 0.0 | 1 | VoiceText Web API wrapper | (library, mit, network) | 2017-12-13 | 0.0.0.1 | zaneli |
| network-wai-router | 5 | 0.0 | 1 | A routing library for wai | (library, mit, web) | 2014-08-15 | 0.3.0.1 | georgerogers42 |
| network-wait | 9 | 0.0 | 0 | Lightweight library for waiting on networked services to become available. | (library, mit, network) | 2022-05-12 | 0.2.0.0 | mbg |
| neural | 7 | 2.0 | 0 | Neural Networks in native Haskell | (library, machine-learning, mit, program) | 2017-07-27 | 0.3.0.1 | lbrunjes |
| newtype-deriving | 6 | 0.0 | 1 | Instance derivers for newtype wrappers | (control, library, mit, template-haskell) | 2016-05-02 | 0.1.4 | NikitaVolkov |
| ngrams-loader | 4 | 0.0 | 1 | Ngrams loader based on http://www.ngrams.info format | (data, library, mit, program) | 2014-03-25 | 0.1.0.1 | YorickLaupa |
| niagra | 10 | 2.0 | 1 | High performance CSS EDSL | (data, library, mit) | 2017-04-12 | 0.2.5 | natesymer |
| nice-html | 8 | 0.0 | 1 | A fast and nice HTML templating library with distinct compilation/rendering phases. | (library, mit, web) | 2018-01-15 | 0.4.1 | MikeLedger |
| nicify | 6 | 0.0 | 4 | Pretty print the standard output of default `Show` instances. | (mit, program, text, tools, utilities) | 2015-03-22 | 1.2.1 | JulianFleischer |
| nicify-lib | 3 | 0.0 | 3 | Pretty print the standard output of default `Show` instances. | (library, mit, text, tools, utilities) | 2015-03-22 | 1.0.1 | JulianFleischer |
| niv | 30 | 0.0 | 0 | Easy dependency management for Nix projects | (development, library, mit, program) | 2023-03-12 | 0.2.22 | nmattia |
| nixfromnpm | 21 | 0.0 | 1 | Generate nix expressions from npm packages. | (mit, nix, program, tools) | 2016-07-14 | 0.10.1 | thinkpad20 |
| nn | 2 | 0.0 | 1 | A tiny neural network | (ai, library, mit) | 2018-04-06 | 0.2.0 | deepinside |
| noether | 2 | 0.0 | 0 | Math in Haskell. | (library, math, mit, program) | 2017-06-25 | 0.0.1 | mrkgnao |
| noise | 4 | 0.0 | 1 | A friendly language for graphic design | (library, mit, program, text) | 2013-05-21 | 0.0.1 | TomBrow |
| noli | 7 | 0.0 | 0 | A static site generator | (library, mit, web) | 2020-07-24 | 0.1.1.0 | EndiSukaj |
| non-empty-text | 1 | 2.0 | 1 | Non empty Data.Text type | (data, library, mit, nonempty, text) | 2023-12-17 | 0.2.1 | TrevisElser, onslaughtq, flipstone, qxjit |
| nonempty-zipper | 6 | 0.0 | 1 | A non-empty comonadic list zipper | (data, data-structures, library, mit) | 2025-01-14 | 1.0.1.1 | PatrickBrisbin, dukerutledge, mjgpy3, chris_martin, FreckleEngineering, OlaoluwaM |
| nonfree | 7 | 0.0 | 1 | Free structures sans laws | (debug, library, mit) | 2018-07-24 | 0.1.0.4 | ShachafBenKiki |
| not-prelude | 0 | 0.0 | 0 | An opinionated Prelude replacement library | (library, mit, prelude) | 2021-08-23 | 0.1.0.0 | erick |
| now-haskell | 3 | 0.0 | 0 | Zeit Now haskell-side integration and introspection tools. | (library, mit, program, web) | 2019-08-21 | 0.1.0.0 | IanDuncan |
| nqe | 15 | 0.0 | 2 | Concurrency library in the style of Erlang/OTP | (control, library, mit, public-domain) | 2025-05-09 | 0.6.6 | jprupp |
| nth-prime | 8 | 0.0 | 1 | Computing the nth prime | (mit, number-theory, program) | 2015-05-13 | 1.2 | JoeHurd |
| number | 3 | 0.0 | 1 | A library for real numbers | (library, math, mit) | 2015-09-10 | 0.1.1.0 | rnhmjoj |
| number-wall | 6 | 0.0 | 0 | Create number walls and save them as images | (algorithms, graphics, image, library, math, mit) | 2022-09-03 | 0.1.0.3 | OwenBechtel |
| numeric-qq | 6 | 0.0 | 2 | Quasi-quoters for numbers of different bases | (library, mit, numeric, quasiquotes) | 2015-12-19 | 0.1.3 | NikitaVolkov |
| numeric-ranges | 1 | 0.0 | 1 | A framework for numeric ranges. | (library, mit, numeric) | 2016-01-05 | 0.1.0.0 | NicolasDelPiano |
| nvfetcher | 13 | 0.0 | 0 | Generate nix sources expr for the latest version of packages | (library, mit, nix, program) | 2024-11-21 | 0.7.0.0 | berberman |
| oauthenticated | 14 | 0.0 | 1 | Simple OAuth for http-client | (library, mit, network, web) | 2022-03-30 | 0.3.0.0 | JosephAbrahamson, ibotty, dfithian |
| ochintin-daicho | 14 | 0.0 | 1 | A module to manage payroll books for Japanese companies. | (business, library, mit) | 2018-09-07 | 0.3.4.2 | arowM |
| octane (deprecated in favor of rattletrap) | 84 | 0.0 | 0 | Parse Rocket League replays. | (deprecated, game, library, mit, program) | 2017-10-24 | 0.20.3 | fozworth |
| octohat | 7 | 0.0 | 2 | A tested, minimal wrapper around GitHub's API. | (library, mit, network, program) | 2015-08-17 | 0.1.5.0 | jsl, stackbuilders, sestrella |
| oden-go-packages | 10 | 0.0 | 1 | Provides Go package metadata. | (language-tools, library, mit) | 2016-02-25 | 0.1.0.3 | owickstrom |
| odpic-raw | 24 | 0.0 | 1 | Oracle Database Bindings | (database, ffi, library, mit, odpi-c, oracle, raw) | 2019-04-24 | 0.5.0 | leptonyu |
| ogmarkup (deprecated) | 9 | 1.5 | 2 | A lightweight markup language for story writers | (deprecated, library, mit, web) | 2018-02-28 | 5.0 | lethom |
| oidc-client | 17 | 0.0 | 6 | OpenID Connect 1.0 library for RP | (library, mit, web) | 2024-01-15 | 0.8.0.0 | ShoKuroda |
| ollama-haskell | 32 | 2.0 | 2 | Haskell client for ollama. | (library, mit, ollama, web) | 2025-06-05 | 0.2.0.0 | tusharad |
| ollama-holes-plugin | 16 | 0.0 | 0 | A typed-hole plugin that uses LLMs to generate valid hole-fits | (compiler-plugin, development, library, mit) | 2025-05-02 | 0.1.6.0 | tritlo |
| om-actor (deprecated in favor of om-fork) | 1 | 0.0 | 0 | Actor pattern utilities. | (concurrency, deprecated, library, mit) | 2020-03-20 | 0.1.0.0 | rickowens |
| om-doh | 9 | 0.0 | 0 | om-doh | (library, mit, unclassified) | 2025-07-18 | 0.1.0.4 | rickowens |
| om-elm | 11 | 2.0 | 1 | Haskell utilities for building embedded Elm programs. | (library, mit, web) | 2025-05-03 | 2.0.1.0 | rickowens |
| om-fail | 5 | 0.0 | 0 | Monad transformer providing MonadFail. | (library, mit, unclassified) | 2025-04-10 | 0.1.0.6 | rickowens |
| om-fork | 8 | 0.0 | 2 | Concurrency utilities. | (library, mit, unclassified) | 2025-04-11 | 0.7.1.12 | rickowens |
| om-http | 17 | 0.0 | 1 | Http utilities. | (library, mit, web) | 2025-04-11 | 0.5.0.1 | rickowens |
| om-http-logging (deprecated in favor of om-http) | 1 | 0.0 | 0 | om-http-logging | (deprecated, library, mit, web) | 2020-08-12 | 0.1.0.0 | rickowens |
| om-kubernetes (deprecated in favor of kubernetes-client, haskell-kubernetes) | 6 | 0.0 | 0 | om-kubernetes | (deprecated, library, mit, unclassified) | 2024-01-14 | 2.3.1.8 | rickowens |
| om-legion | 7 | 0.0 | 0 | Legion Framework. | (library, mit, network) | 2024-08-13 | 6.9.0.7 | rickowens |
| om-logging | 6 | 0.0 | 1 | Opinionated logging utilities. | (library, logging, mit) | 2025-04-11 | 1.1.0.10 | rickowens |
| om-plugin-imports | 18 | 0.0 | 0 | Plugin-based explicit import generation. | (compiler-plugin, library, mit) | 2025-04-10 | 0.4.0.1.9.12 | rickowens |
| om-show | 8 | 0.0 | 6 | Utilities for showing string-like things. | (library, mit, text) | 2025-04-10 | 0.1.2.11 | rickowens |
| om-socket | 8 | 0.0 | 1 | Socket utilities. | (library, mit, network) | 2025-04-11 | 1.0.0.4 | rickowens |
| om-time | 8 | 0.0 | 1 | Misc. time utilites | (library, mit, unclassified) | 2025-04-11 | 0.3.1.1 | rickowens |
| on-demand-ssh-tunnel | 4 | 0.0 | 1 | Program that sends traffic through SSH tunnels on-demand | (library, mit, network, program) | 2015-02-24 | 0.1.0.6 | pedja |
| one-time-password | 7 | 0.0 | 2 | HMAC-Based and Time-Based One-Time Passwords | (cryptography, library, mit, program) | 2025-05-20 | 3.0.1.0 | hecate |
| oneormore | 5 | 0.0 | 1 | A never-empty list type. | (data, library, mit) | 2014-08-04 | 0.1.0.3 | thinkpad20 |
| onu-course | 1 | 0.0 | 1 | Code for the Haskell course taught at the Odessa National University in 2012 | (education, library, mit) | 2012-09-20 | 1 | RomanCheplyaka |
| oops | 11 | 0.0 | 2 | Combinators for handling errors of many types in a composable way | (datacontrol, library, mit) | 2023-04-10 | 0.2.0.1 | haskellworks |
| oops-examples | 2 | 0.0 | 0 | Oops examples | (datacontrol, library, mit) | 2023-04-10 | 0.2.0.0 | haskellworks |
| opaleye-classy | 15 | 0.0 | 1 | Opaleye wrapped up in classy MTL attire. | (database, library, mit) | 2015-08-30 | 0.3.1.1 | BenKolera |
| opc-xml-da-client | 4 | 2.0 | 0 | OPC XML-DA Client | (library, mit, network) | 2022-02-09 | 0.1.2 | NikitaVolkov, olf, yan_shkurinsky |
| open-signals | 8 | 0.0 | 1 | A mechanism similar to checked exceptions that integrates with MTL and transformer stacks | (control, library, mit) | 2016-04-17 | 0.1.0.3 | darwin226 |
| open-union | 22 | 0.0 | 4 | Extensible, type-safe unions. | (data, library, mit, program) | 2018-04-20 | 0.4.0.0 | BenFoppa |
| openai-servant-gen | 2 | 0.0 | 1 | Auto-generated API bindings for openai | (library, mit, web) | 2024-03-15 | 0.1.0.1 | junjihashimoto |
| openapi-petstore | 3 | 0.0 | 0 | Auto-generated openapi-petstore API Client | (library, mit, web) | 2019-03-02 | 0.0.4.0 | jonschoning |
| openapi3-code-generator | 8 | 0.0 | 0 | OpenAPI3 Haskell Client Code Generator | (code-generator, library, mit, program) | 2025-04-14 | 0.2.0.0 | Norfair, remo_doerig, joel_fisch |
| opencc | 4 | 0.0 | 0 | OpenCC bindings | (library, mit, text) | 2025-06-19 | 0.1.2.0 | ksqsf |
| opengl-dlp-stereo | 6 | 0.0 | 1 | Library and example for using DLP stereo in OpenGL | (graphics, library, mit, program) | 2016-04-16 | 0.1.5.4 | BrianBush |
| opengl-spacenavigator | 5 | 0.0 | 1 | Library and example for using a SpaceNavigator-compatible 3-D mouse with OpenGL | (graphics, library, mit, program) | 2016-04-16 | 0.1.5.5 | BrianBush |
| openpgp-asciiarmor | 3 | 0.0 | 3 | OpenPGP (RFC4880) ASCII Armor codec | (codec, data, library, mit) | 2019-06-30 | 0.1.2 | ClintAdams |
| opensource | 5 | 0.0 | 1 | Haskell API Wrapper for the Open Source License API | (library, mit, network) | 2018-10-12 | 0.1.1.0 | ClintAdams |
| openssh-github-keys (deprecated) | 2 | 0.0 | 1 | Fetch OpenSSH keys from a GitHub team | (deprecated, library, mit, program, system) | 2015-04-23 | 0.1.1.0 | jsl, stackbuilders, sestrella |
| opentheory | 10 | 0.0 | 12 | The standard theory library | (formal-methods, library, mit) | 2015-07-24 | 1.200 | JoeHurd |
| opentheory-bits | 6 | 0.0 | 3 | Natural number to bit-list conversions | (formal-methods, library, mit) | 2015-10-19 | 1.69 | JoeHurd |
| opentheory-byte | 7 | 0.0 | 1 | Bytes | (formal-methods, library, mit) | 2015-10-19 | 1.128 | JoeHurd |
| opentheory-char (deprecated in favor of opentheory-unicode) | 4 | 0.0 | 1 | Unicode characters | (deprecated, library, mit, program, text) | 2012-11-10 | 1.41 | JoeHurd |
| opentheory-divides | 15 | 0.0 | 2 | The divides relation on natural numbers | (library, mit, number-theory) | 2015-10-19 | 1.66 | JoeHurd |
| opentheory-fibonacci | 3 | 0.0 | 1 | Fibonacci numbers | (library, mit, number-theory) | 2015-10-19 | 1.72 | JoeHurd |
| opentheory-parser | 11 | 0.0 | 3 | Stream parsers | (library, mit, parsing) | 2015-10-19 | 1.160 | JoeHurd |
| opentheory-prime | 11 | 0.0 | 2 | Prime natural numbers | (library, mit, number-theory) | 2015-10-19 | 1.85 | JoeHurd |
| opentheory-primitive | 21 | 0.0 | 13 | Haskell primitives used by OpenTheory packages | (formal-methods, library, mit) | 2015-10-19 | 1.8 | JoeHurd |
| opentheory-probability | 7 | 0.0 | 3 | Probability | (formal-methods, library, mit) | 2015-10-19 | 1.52 | JoeHurd |
| opentheory-stream | 7 | 0.0 | 2 | Infinite stream types | (library, list, mit) | 2015-10-19 | 1.49 | JoeHurd |
| opentheory-unicode | 7 | 0.0 | 2 | Unicode characters | (library, mit, text) | 2015-10-19 | 1.142 | JoeHurd |
| opentok | 4 | 0.0 | 1 | An OpenTok SDK for Haskell | (library, mit, web, webrtc) | 2018-09-07 | 0.0.5 | adrice727 |
| operate-do | 1 | 0.0 | 1 | Simple project template from stack | (library, meta, mit) | 2016-11-09 | 0.1.0 | mizunashi_mana |
| operational-class | 5 | 0.0 | 1 | MonadProgram typeclass for the operational package | (control, library, mit) | 2015-07-12 | 0.3.0.0 | srijs |
| optics-operators | 2 | 0.0 | 0 | A tiny package containing operators missing from the official package. | (data, lenses, library, mit, optics) | 2023-06-25 | 0.1.0.1 | qwbarch |
| optima | 21 | 0.0 | 2 | Simple command line interface arguments parser | (cli, library, mit, options, parsing) | 2025-06-04 | 0.4.0.7 | NikitaVolkov |
| optima-for-hasql | 5 | 0.0 | 0 | Command-line arguments parsing for Hasql | (command-line, hasql, library, mit, options) | 2022-09-01 | 0.2 | NikitaVolkov |
| option | 1 | 0.0 | 1 | A strict version of Maybe | (data, library, mit) | 2016-01-02 | 0.1.0.1 | georgerogers42 |
| options | 13 | 0.0 | 10 | Powerful and easy command-line option parser | (console, library, mit) | 2023-07-11 | 1.2.1.2 | chris_martin |
| options-time | 5 | 0.0 | 1 | Command-line option types for dates and times. | (console, library, mit) | 2014-12-15 | 1.0.1 | JohnMillikin |
| optparse-applicative-simple | 11 | 0.0 | 1 | Simple command line interface arguments parser | (cli, library, mit, options, parsing) | 2019-07-06 | 1.1.0.2 | NikitaVolkov |
| optparse-declarative | 12 | 2.25 | 0 | Declarative command line option parser | (library, mit, system) | 2021-06-24 | 0.4.2 | HideyukiTanaka, kakkun61 |
| ordering-util | 8 | 0.0 | 0 | Utilities for Orderings | (data, library, mit) | 2022-07-20 | 0.1.3.2 | anselmschueler |
| orville-postgresql | 1 | 2.5 | 0 | A Haskell library for PostgreSQL | (database, library, mit, postgresql) | 2023-10-31 | 1.0.0.0 | TrevisElser, onslaughtq, flipstone, qxjit |
| ory-hydra-client | 10 | 0.0 | 0 | Auto-generated ory-hydra API Client | (library, mit, network, oauth, web) | 2023-06-15 | 2.1.2.1 | BorisLykah |
| oset | 5 | 0.0 | 0 | An insertion-order-preserving set | (command-line, library, mit, program) | 2019-02-09 | 0.4.0.1 | rcook |
| ot | 9 | 0.0 | 1 | Real-time collaborative editing with Operational Transformation | (library, mit, text) | 2015-10-13 | 0.2.1.0 | TimBaumann |
| outsort | 0 | 0.0 | 0 | External sorting package based on Conduit | (algorithms, mit, program) | 2019-07-11 | 0.1.0 | luispedro |
| overhang | 0 | 2.25 | 1 | Hang loose with your lambdas! | (combinators, functions, library, mit, utility) | 2018-02-02 | 1.0.0 | jship |
| overload | 8 | 0.0 | 1 | Finite overloading | (control, library, mit) | 2018-03-08 | 0.1.0.5 | darwin226 |
| overture (deprecated in favor of flow) | 6 | 0.0 | 1 | An alternative to some of the Prelude. | (deprecated, library, mit, prelude) | 2015-03-31 | 0.0.5 | fozworth |
| owoify-hs | 3 | 0.0 | 0 | Turn any English text into nonsensical babyspeaks. | (library, mit, text) | 2023-12-08 | 1.1.0.0 | tetsuki_syu1315 |
| package-description-remote | 4 | 0.0 | 1 | Fetches a 'GenericPackageDescription' from Hackage | (library, mit, web) | 2015-11-28 | 0.2.0.0 | yamadapc |
| paddle | 0 | 0.0 | 0 | API to the Paddle payment processor | (library, mit, web) | 2020-12-14 | 0.1.0.0 | domenkozar |
| padic | 0 | 0.0 | 0 | Fast, type-safe p-adic arithmetic | (library, math, mit, number-theory) | 2022-02-03 | 0.1.0.0 | samsergey |
| pads-haskell | 4 | 0.0 | 1 | PADS data description language for Haskell. | (language, library, mit) | 2019-06-10 | 0.1.0.0 | KarlCronburg |
| pagarme (deprecated) | 1 | 0.0 | 1 | Pagarme API wrapper | (deprecated, library, mit, program, web) | 2015-03-17 | 0.1.0.0 | diogob |
| pairing | 13 | 2.0 | 2 | Bilinear pairings | (cryptography, library, mit) | 2020-04-28 | 1.1.0 | sdiehl |
| pandoc-csv2table | 24 | 0.0 | 0 | Convert CSV to Pandoc Table Markdown | (library, mit, program, text) | 2021-03-14 | 1.0.9 | baig, vmandela |
| pandoc-highlighting-extensions (deprecated) | 3 | 0.0 | 0 | Syntax highlighting customization for Pandoc | (deprecated, library, mit, text) | 2019-02-08 | 1.0.0.0 | chris_martin, Monoid_Mary |
| pandoc-include | 1 | 0.0 | 1 | Include other Markdown files | (library, mit, program, text) | 2015-12-08 | 0.0.1 | steindani |
| pandoc-lua-marshal | 29 | 0.0 | 2 | Use pandoc types in Lua | (foreign, library, mit) | 2025-06-23 | 0.3.1 | JohnMacFarlane, tarleb |
| pandoc-markdown-ghci-filter | 2 | 0.0 | 0 | Pandoc-filter to evaluate `code` section in markdown and auto-embed output. | (documentation, filter, library, mit, program, text) | 2019-07-06 | 0.1.0.0 | gdevanla |
| pandoc-plantuml-diagrams | 4 | 0.0 | 0 | Render and insert PlantUML diagrams with Pandoc | (library, mit, program, text) | 2021-02-04 | 0.1.1.0 | thriqon |
| pandoc-sidenote | 6 | 0.0 | 1 | Convert Pandoc Markdown-style footnotes into sidenotes | (commandline, library, mit, program) | 2023-05-25 | 0.23.0.0 | jez |
| pandoc-throw | 3 | 0.0 | 2 | MonadThrow behaviour for Pandoc. | (library, mit, text) | 2020-09-05 | 0.1.0.0 | locallycompact |
| pandoc-unlit (deprecated in favor of markdown-unlit) | 2 | 0.0 | 1 | Literate Haskell support for GitHub's Markdown flavor | (deprecated, development, mit, program) | 2012-07-15 | 0.1.0 | SimonHengel |
| pandoc-utils | 17 | 0.0 | 0 | Utility functions to work with Pandoc in Haskell applications. | (library, mit, text) | 2020-05-25 | 0.7.1 | Krasjet |
| pandora | 57 | 0.0 | 1 | A box of patterns and paradigms | (control, data, library, mit) | 2022-05-29 | 0.5.6 | iokasimovmt |
| pandora-io | 4 | 0.0 | 0 | ... | (control, data, library, mit) | 2022-04-16 | 0.5.4 | iokasimovmt |
| pansite | 2 | 0.0 | 0 | Pansite: a simple web site management tool | (library, mit, program, web) | 2018-04-28 | 0.2.0.0 | rcook |
| paranoia | 2 | 0.0 | 0 | http proxy server | (library, mit, program, web) | 2016-05-01 | 0.1.0.0 | troydm |
| paripari | 11 | 0.0 | 0 | Parser combinators with fast-path and slower fallback for error reporting | (library, mit, program, text) | 2020-06-17 | 0.7.0.0 | minad |
| parsec-class | 1 | 0.0 | 2 | Class of types that can be constructed from their text representation | (library, mit, text) | 2024-01-29 | 1.0.1.0 | PeterSimons |
| parsec-free | 7 | 0.0 | 1 | Parsec API encoded as a deeply-embedded DSL, for debugging and analysis | (library, mit, text) | 2023-03-19 | 3.1.11.7 | JohnWiegley |
| parsec-pratt | 1 | 0.0 | 0 | Pratt Parser combinator for Parsec | (library, mit, program, text) | 2016-08-02 | 0.1.1 | jh3141 |
| parsec-trace | 2 | 0.0 | 1 | Add a hierarchical trace to Parsec parsers. | (library, mit, parsing) | 2015-11-04 | 0.0.0.2 | sleepomeno |
| parseerror-eq | 4 | 0.0 | 1 | Adds and Eq instance for Parsec's ParseError if needed | (library, mit, text) | 2015-04-23 | 0.1.0.1 | jsl, sestrella |
| partial | 3 | 0.0 | 1 | A nullary type class for partial functions | (control, library, mit) | 2017-11-28 | 1.0.0.0 | PhilFreeman |
| partial-handler | 7 | 0.0 | 2 | A composable exception handler | (error-handling, exceptions, failure, library, mit) | 2018-02-12 | 1.0.3 | NikitaVolkov |
| partial-lens (deprecated in favor of data-lens) | 0 | 0.0 | 1 | Haskell 98 Partial Lenses | (comonads, control, deprecated, library, mit) | 2011-12-21 | 0.0.1 | RussellOConnor |
| paseto | 3 | 0.0 | 0 | Platform-Agnostic Security Tokens | (cryptography, library, mit) | 2024-10-27 | 0.1.1.1 | intricate |
| passwords | 16 | 0.0 | 1 | Password generation/validation library | (cryptography, library, mit) | 2015-04-14 | 0.1.0.6 | mkulkin |
| pasta-curves | 2 | 2.0 | 0 | Provides the Pasta curves: Pallas, Vesta and their field elements Fp and Fq. | (cryptography, elliptic-curves, library, mit, program) | 2022-08-31 | 0.0.1.0 | eschorn |
| path-binary-instance | 2 | 0.0 | 1 | Binary instance for Path. | (filesystem, library, mit) | 2020-08-28 | 0.1.0.1 | locallycompact |
| path-dhall-instance | 7 | 0.0 | 4 | ToDhall and FromDhall instances for Path. | (filesystem, library, mit) | 2020-10-11 | 0.2.1.0 | locallycompact |
| path-extensions | 5 | 0.0 | 1 | Enumeration of common filetype extensions for use with the path library. | (filesystem, library, mit) | 2020-07-07 | 0.1.1.0 | locallycompact |
| path-formatting | 1 | 0.0 | 1 | Formatting for path | (library, media, mit) | 2021-07-17 | 0.1.0.0 | locallycompact |
| path-like | 12 | 0.0 | 2 | PathLike, FileLike and DirLike type classes for the Path library. | (filesystem, library, mit) | 2020-08-28 | 0.2.0.2 | locallycompact |
| path-tree | 2 | 0.0 | 1 | `Data.Tree` for file paths | (data-structures, library, mit) | 2022-04-03 | 0.2.0.0 | sridca |
| path-utils | 3 | 0.0 | 3 | Handful of simple utility functions for the path library. | (filesystem, library, mit) | 2020-09-28 | 0.1.1.0 | locallycompact |
| pathfinding | 0 | 0.0 | 1 | pathfinding in grid and graphs | (algorithm, library, mit) | 2015-04-13 | 0.1.0.0 | rvion |
| pathwalk | 10 | 0.0 | 6 | Path walking utilities for Haskell programs | (library, mit, system) | 2015-10-28 | 0.3.1.2 | chadaustin, Xena |
| patrol | 23 | 0.0 | 0 | Sentry SDK | (exceptions, library, mit) | 2025-06-13 | 1.1.0.0 | fozworth |
| patronscraper | 4 | 0.0 | 1 | A webpage scraper for Patreon which dumps a list of patrons to a text file. | (mit, program, web) | 2015-02-03 | 0.0.0.1 | Forkk |
| pattern-arrows | 5 | 2.0 | 2 | Arrows for Pretty Printing | (combinators, library, mit, pretty-printer, text) | 2014-03-29 | 0.0.2 | PhilFreeman |
| paypal-adaptive-hoops (deprecated) | 20 | 0.0 | 1 | Client for a limited part of PayPal's Adaptive Payments API | (deprecated, library, mit, program, web) | 2015-12-11 | 0.13.1.0 | fanjam |
| paypal-rest-client | 1 | 0.0 | 1 | A client to connect to PayPal's REST API (v1) | (library, mit, network) | 2016-12-30 | 0.1.0 | meoblast001 |
| pcf | 2 | 0.0 | 1 | A one file compiler for PCF | (compiler, library, mit) | 2015-04-03 | 0.1.0.1 | jozefg |
| pdc | 0 | 0.0 | 1 | Fedora Product Definition Center service | (library, mit, network) | 2021-12-27 | 0.1.1 | JensPetersen |
| pdfname | 5 | 0.0 | 1 | Name a PDF file using information from the pdfinfo command | (mit, pdf, program) | 2017-07-30 | 0.3 | AndresSicardRamirez |
| pear | 7 | 0.0 | 0 | Pear Trees: An indexed type using type-level binary numbers | (data, library, mit) | 2025-07-04 | 1.0.0.1 | NoahEasterly |
| pedersen-commitment (deprecated in favor of elliptic-curve) | 3 | 0.0 | 1 | An implementation of Pedersen commitment schemes | (cryptography, deprecated, library, mit) | 2018-04-24 | 0.2.0 | sdiehl |
| pell | 6 | 0.0 | 1 | Package to solve the Generalized Pell Equation. | (algorithms, library, math, mit, number-theory) | 2019-11-12 | 0.1.3.0 | lbrunjes |
| penrose | 9 | 0.0 | 1 | Create beautiful diagrams just by typing mathematical notation in plain text. | (library, mit, program, unclassified) | 2019-07-02 | 0.1.1.1 | wodeni |
| peregrin | 12 | 0.0 | 1 | Database migration support for use in other libraries. | (database, library, mit) | 2023-08-07 | 0.4.2 | BardurArantsson |
| periodic-polynomials | 3 | 0.0 | 0 | A library for working with periodic polynomials (very basic functionality) | (library, math, mit) | 2020-06-26 | 0.2.0.0 | OleksandrZhabenko |
| persistent | 368 | 2.5 | 157 | Type-safe, multi-backend data serialization. | (database, library, mit, yesod) | 2025-07-09 | 2.17.1.0 | FelipeLessa, GregWeber, MichaelSnoyman, psibi, paulrouse, MaxGabriel, parsonsmatt |
| persistent-database-url | 2 | 2.0 | 1 | Parse DATABASE_URL into configuration types for Persistent | (database, library, mit) | 2016-04-22 | 1.1.0 | jferris, jsteiner |
| persistent-event-source (deprecated in favor of persistent-eventsource) | 2 | 0.0 | 0 | Persistent based event sourcing. | (database, deprecated, library, mit) | 2023-01-18 | 0.1.0 | Jappie |
| persistent-eventsource | 1 | 0.0 | 0 | Persistent based event sourcing. | (database, library, mit) | 2023-01-20 | 0.2.0 | Jappie |
| persistent-lens | 1 | 0.0 | 0 | lens helpers for persistent. | (database, library, mit) | 2022-01-26 | 1.0.0 | Jappie |
| persistent-mongoDB | 109 | 0.0 | 4 | Backend for the persistent library using mongoDB. | (database, library, mit) | 2024-09-13 | 2.13.1.0 | GregWeber, MichaelSnoyman, psibi, paulrouse, MaxGabriel, parsonsmatt, aschmois |
| persistent-mysql | 88 | 0.0 | 4 | Backend for the persistent library using MySQL database server. | (database, library, mit, yesod) | 2023-12-07 | 2.13.1.5 | FelipeLessa, GregWeber, MichaelSnoyman, psibi, paulrouse, MaxGabriel, parsonsmatt |
| persistent-mysql-haskell | 23 | 0.0 | 0 | A pure haskell backend for the persistent library using MySQL database server. | (database, library, mit, program, yesod) | 2019-12-28 | 0.6.0 | naushadh |
| persistent-mysql-pure | 3 | 0.0 | 0 | A pure haskell backend for the persistent library using MySQL database server. | (database, library, mit, program, yesod) | 2023-08-30 | 1.0.2 | Jappie |
| persistent-odbc | 11 | 0.0 | 2 | Backend for the persistent library using ODBC | (database, library, mit, yesod) | 2021-01-28 | 0.2.1.1 | gbwey |
| persistent-postgresql | 159 | 2.0 | 30 | Backend for the persistent library using postgresql. | (database, library, mit, yesod) | 2025-07-07 | 2.13.7.0 | FelipeLessa, GregWeber, MichaelSnoyman, psibi, paulrouse, MaxGabriel, parsonsmatt |
| persistent-qq | 28 | 0.0 | 1 | Provides a quasi-quoter for raw SQL for persistent | (database, library, mit, yesod) | 2025-07-09 | 2.12.0.7 | MichaelSnoyman, parsonsmatt |
| persistent-ratelimit | 6 | 0.0 | 1 | A library for rate limiting activities with a persistent backend. | (database, library, mit) | 2017-05-11 | 0.3.0.0 | jp_rider |
| persistent-spatial | 1 | 0.0 | 0 | Database agnostic, spatially indexed type for geographic points. | (database, geography, library, mit) | 2019-01-26 | 0.1.0.0 | gtsteel |
| persistent-sql-lifted | 11 | 0.0 | 1 | Monad classes for running queries with Persistent and Esqueleto | (database, library, mit) | 2025-04-01 | 0.4.3.1 | PatrickBrisbin, dukerutledge, mjgpy3, chris_martin, FreckleEngineering, OlaoluwaM |
| persistent-sqlite | 259 | 0.0 | 30 | Backend for the persistent library using sqlite3. | (database, library, mit, yesod) | 2025-05-20 | 2.13.3.1 | GregWeber, MichaelSnoyman, psibi, paulrouse, MaxGabriel, parsonsmatt |
| persistent-template | 134 | 0.0 | 48 | Type-safe, non-relational, multi-backend persistence. | (database, library, mit, yesod) | 2021-03-30 | 2.12.0.0 | FelipeLessa, GregWeber, MichaelSnoyman, psibi, paulrouse, MaxGabriel, parsonsmatt |
| persistent-test | 47 | 0.0 | 1 | Tests for Persistent | (database, library, mit, yesod) | 2025-07-09 | 2.13.2.0 | MichaelSnoyman, MaxGabriel, parsonsmatt |
| pg-entity | 14 | 0.0 | 0 | A pleasant PostgreSQL layer | (database, library, mit) | 2025-05-20 | 0.0.6.0 | hecate |
| pg-extras | 2 | 2.0 | 0 | PostgreSQL database performance insights. | (database, library, mit) | 2020-11-29 | 0.0.1 | pawurb |
| pgvector | 2 | 0.0 | 0 | pgvector support for Haskell | (database, library, mit) | 2025-03-07 | 0.1.1 | ankane |
| phatsort | 2 | 0.0 | 0 | FAT filesystem sort utility | (library, mit, program, utils) | 2023-05-28 | 0.6.0.0 | TravisCardwell |
| phino | 68 | 0.0 | 0 | Command-Line Manipulator of 𝜑-Calculus Expressions | (code-analysis, language, library, mit, program) | 2025-07-25 | 0.0.0.29 | maxonfjvipon |
| phladiprelio-general-datatype | 21 | 0.0 | 3 | Extended functionality of PhLADiPreLiO | (language, library, math, mit, music, sound) | 2024-04-08 | 0.10.1.0 | OleksandrZhabenko |
| phladiprelio-general-shared | 3 | 0.0 | 1 | A shared by different general implementations of the PhLADiPreLiO functionality. | (data, language, library, math, mit) | 2024-01-30 | 0.1.2.0 | OleksandrZhabenko |
| phladiprelio-general-simple | 42 | 0.0 | 0 | A generalized functionality of PhLADiPreLiO for different languages that uses hash algorithms. | (PhLADiPreLiO, language, library, math, mit, music) | 2024-04-10 | 0.20.0.2 | OleksandrZhabenko |
| phladiprelio-rhythmicity-shared | 2 | 0.0 | 3 | Allows to estimate some kind of the rhythmicity properties for the text | (language, library, math, mit, music) | 2023-03-13 | 0.1.0.0 | OleksandrZhabenko |
| phladiprelio-tests | 0 | 0.0 | 2 | Common for Ukrainian and general data for test mode. | (language, library, mit) | 2023-08-14 | 0.1.0.0 | OleksandrZhabenko |
| phladiprelio-ukrainian-shared | 8 | 0.0 | 1 | A shared by different Ukrainian implementations of the PhLADiPreLiO functionality. | (data, language, library, math, mit) | 2024-04-08 | 0.5.0.2 | OleksandrZhabenko |
| phladiprelio-ukrainian-simple | 55 | 0.0 | 0 | A PhLADiPreLiO implementation for Ukrainian that uses hashes and asynchronous concurrency. | (PhLADiPreLiO, language, library, math, mit, music, program) | 2024-04-10 | 0.20.2.2 | OleksandrZhabenko |
| phonetic-languages-basis | 4 | 0.0 | 11 | A basics of the phonetic-languages (PhLADiPreLiO-related) functionality. | (game, language, library, math, mit) | 2023-01-30 | 0.3.0.0 | OleksandrZhabenko |
| phonetic-languages-common | 2 | 0.0 | 3 | A generalization of the uniqueness-periods-vector-common package. | (language, library, mit) | 2020-11-26 | 0.1.2.0 | OleksandrZhabenko |
| phonetic-languages-constaints (deprecated in favor of phonetic-languages-constraints) | 4 | 0.0 | 0 | Constraints to filter the needed permutations | (deprecated, language, library, math, mit, phonetic-languages) | 2020-11-12 | 0.3.0.0 | OleksandrZhabenko |
| phonetic-languages-constraints | 16 | 0.0 | 2 | Constraints to filter the needed permutations | (language, library, math, mit) | 2020-11-26 | 0.4.0.0 | OleksandrZhabenko |
| phonetic-languages-constraints-array | 39 | 0.0 | 5 | Constraints to filter the needed permutations | (language, library, math, mit, phonetic-languages) | 2024-01-27 | 0.8.0.0 | OleksandrZhabenko |
| phonetic-languages-examples | 22 | 0.0 | 0 | A generalization of the uniqueness-periods-vector-examples functionality. | (Ukrainian, game, language, library, math, mit, phonetic-languages, program) | 2021-02-02 | 0.7.0.0 | OleksandrZhabenko |
| phonetic-languages-filters-array | 4 | 0.0 | 2 | Allows to change the structure of the function output. | (RealFrac, data, filters, library, mit) | 2023-01-31 | 0.6.0.0 | OleksandrZhabenko |
| phonetic-languages-general | 5 | 0.0 | 0 | A generalization of the uniqueness-periods-vector-general functionality. | (language, library, mit, phonetic-languages) | 2020-11-26 | 0.3.0.1 | OleksandrZhabenko |
| phonetic-languages-permutations | 4 | 0.0 | 1 | Commonly used versions of the phonetic-languages-common package | (game, language, library, math, mit, phonetic-languages) | 2020-11-20 | 0.2.0.0 | OleksandrZhabenko |
| phonetic-languages-permutations-array (deprecated in favor of aftovolio) | 21 | 0.0 | 6 | Permutations and universal set related functions for the phonetic-languages series | (deprecated, game, language, library, math, mit, phonetic-languages) | 2024-01-23 | 0.5.0.0 | OleksandrZhabenko |
| phonetic-languages-phonetics-basics | 68 | 0.0 | 5 | A library for working with generalized phonetic languages usage. | (game, language, library, math, mit, phonetic-languages, phonetics, program, writing-systems) | 2024-01-30 | 0.11.0.0 | OleksandrZhabenko |
| phonetic-languages-plus | 18 | 0.0 | 3 | Some common shared between different packages functions. | (game, language, library, math, mit, phonetic-languages, program) | 2023-02-02 | 0.7.1.0 | OleksandrZhabenko |
| phonetic-languages-properties | 7 | 0.0 | 1 | A generalization of the uniqueness-periods-vector-properties package. | (Ukrainian, language, library, mit, phonetic-languages) | 2021-02-02 | 0.4.0.0 | OleksandrZhabenko |
| phonetic-languages-rhythmicity | 57 | 0.0 | 9 | Allows to estimate the rhythmicity properties for the text | (coherency, data, game, language, library, math, mit, phonetic-languages, polyrhythmicity, rap) | 2023-03-15 | 0.11.0.2 | OleksandrZhabenko |
| phonetic-languages-simplified-base | 40 | 0.0 | 10 | A basics of the phonetic-languages functionality that can be groupped. | (game, language, library, math, mit, phonetic-languages) | 2024-03-08 | 0.9.0.0 | OleksandrZhabenko |
| phonetic-languages-simplified-common | 22 | 0.0 | 4 | A simplified version of the phonetic-languages-functionality | (game, language, library, math, mit, phonetic-languages) | 2020-12-05 | 0.4.0.0 | OleksandrZhabenko |
| phonetic-languages-simplified-examples-array | 62 | 0.0 | 0 | Helps to create Ukrainian texts with the given phonetic properties. | (PhLADiPreLiO, Ukrainian, game, language, library, math, mit, phladiprelio, phonetic-languages, program, prosodic-languages, prosody, rumba, syllables) | 2022-09-13 | 0.21.0.0 | OleksandrZhabenko |
| phonetic-languages-simplified-examples-common | 27 | 0.0 | 1 | Some commonly used by phonetic-languages-simplified* series functions. | (Ukrainian, game, language, library, math, mit, phonetic-languages) | 2023-03-15 | 0.6.2.0 | OleksandrZhabenko |
| phonetic-languages-simplified-generalized-examples-array | 51 | 0.0 | 0 | Helps to create texts with the given phonetic properties (e. g. poetic). | (PhLADiPreLiO, espeak, game, ipa, language, library, math, mit, phladiprelio, phonetic-languages, phonetics, prosodic-languages, prosody, writing-systems) | 2022-09-14 | 0.19.0.1 | OleksandrZhabenko |
| phonetic-languages-simplified-generalized-examples-common | 15 | 0.0 | 1 | Some common code for phonetic languages generalized functionality. | (game, language, library, math, mit, phonetic-languages, phonetics, writing-systems) | 2023-03-15 | 0.6.1.0 | OleksandrZhabenko |
| phonetic-languages-simplified-generalized-properties-array | 28 | 0.0 | 2 | Some 'properties' of the phonetic languages approach text. | (game, language, library, math, mit, phonetic-languages, phonetics, writing-systems) | 2023-03-15 | 0.13.1.0 | OleksandrZhabenko |
| phonetic-languages-simplified-lists-examples | 10 | 0.0 | 0 | Simplified and somewhat optimized version of the phonetic-languages-examples. | (Ukrainian, game, language, library, math, mit, phonetic-languages, program) | 2021-02-02 | 0.7.0.0 | OleksandrZhabenko |
| phonetic-languages-simplified-properties-array | 37 | 0.0 | 2 | Some properties of the data related to rhythmicity. | (Ukrainian, game, language, library, math, mit, phonetic-languages) | 2023-03-15 | 0.17.2.0 | OleksandrZhabenko |
| phonetic-languages-simplified-properties-array-common | 5 | 0.0 | 3 | Common functionality for 'with-tuples' and old version of properties. | (game, language, library, math, mit) | 2023-03-15 | 0.4.1.0 | OleksandrZhabenko |
| phonetic-languages-simplified-properties-array-old | 2 | 0.0 | 0 | Some properties of the data related to rhythmicity. | (game, language, library, math, mit) | 2022-05-31 | 0.1.0.0 | OleksandrZhabenko |
| phonetic-languages-simplified-properties-lists (deprecated in favor of phonetic-languages-simplified-properties-lists-double) | 9 | 0.0 | 1 | A generalization of the uniqueness-periods-vector-properties package. | (Ukrainian, deprecated, language, library, mit, phonetic-languages) | 2021-02-02 | 0.4.0.0 | OleksandrZhabenko |
| phonetic-languages-simplified-properties-lists-double | 2 | 0.0 | 2 | A generalization of the uniqueness-periods-vector-properties package. | (language, library, math, mit) | 2021-02-02 | 0.2.0.0 | OleksandrZhabenko |
| phonetic-languages-ukrainian | 8 | 0.0 | 1 | Prepares Ukrainian text to be used as a phonetic language text | (Ukrainian, game, language, library, mit, phonetic-languages) | 2020-11-28 | 0.3.0.0 | OleksandrZhabenko |
| phonetic-languages-ukrainian-array | 34 | 0.0 | 3 | Prepares Ukrainian text to be used as a PhLADiPreLiO text | (Ukrainian, game, language, library, mit, phonetic-languages, program) | 2024-02-22 | 0.12.2.0 | OleksandrZhabenko |
| phonetic-languages-vector | 1 | 0.0 | 2 | A generalization of the functionality of the uniqueness-periods-vector package. | (language, library, mit, phonetic-languages) | 2020-10-30 | 0.1.0.0 | OleksandrZhabenko |
| pianola (deprecated) | 2 | 0.0 | 1 | Remotely controlling Java Swing applications | (deprecated, gui, jvm, library, mit) | 2013-09-16 | 0.1.1 | DanielDiazCarrete |
| pickle | 7 | 2.0 | 0 | Instant StatsD in Haskell | (library, mit, unclassified) | 2020-08-20 | 1.0.1.0 | Luabee |
| picologic | 8 | 0.0 | 1 | Utilities for symbolic predicate logic expressions | (library, logic, mit) | 2017-01-04 | 0.3.0 | sdiehl |
| picosat | 14 | 2.0 | 3 | Bindings to the PicoSAT solver | (library, logic, mit) | 2019-12-30 | 0.1.6 | sdiehl |
| pid1 | 5 | 0.0 | 1 | Do signal handling and orphan reaping for Unix PID1 init processes | (library, mit, program, system) | 2022-11-29 | 0.1.3.1 | MichaelSnoyman, psibi |
| pinboard | 61 | 0.0 | 2 | Access to the Pinboard API | (library, mit, network-apis) | 2022-05-07 | 0.10.3.0 | jonschoning |
| pipes-cereal-plus (deprecated) | 17 | 0.0 | 2 | A streaming serialization library on top of "pipes" and "cereal-plus" | (deprecated, library, mit, pipes, serialization) | 2014-10-19 | 0.4.0 | NikitaVolkov |
| pipes-csv | 17 | 0.0 | 3 | Fast, streaming csv parser | (csv, library, mit, pipes) | 2015-11-26 | 1.4.3 | GabrielGonzalez, WilliamCasarin |
| pipes-kafka | 1 | 0.0 | 1 | Kafka in the Pipes ecosystem | (library, mit, network) | 2017-09-08 | 0.2.0.0 | boothead |
| pipes-mongodb | 1 | 0.0 | 1 | Stream results from MongoDB | (database, library, mit) | 2015-06-10 | 0.1.0.0 | WilliamCasarin |
| pipes-postgresql-simple (deprecated in favor of streaming-postgresql-simple, streaming-utils) | 7 | 0.0 | 1 | Convert various postgresql-simple calls to work with pipes | (database, deprecated, library, mit, pipes) | 2017-02-07 | 0.1.3.0 | OliverCharles |
| pipes-wai | 4 | 0.0 | 3 | A port of wai-conduit for the pipes ecosystem | (library, mit, pipes, web) | 2016-01-08 | 3.2.0 | IanDuncan |
| pit | 4 | 0.0 | 1 | Account management tool. | (library, mit, program, tools) | 2014-09-27 | 0.3.1 | chiro |
| pitchtrack | 2 | 0.0 | 1 | Pitch tracking library | (library, mit, sound) | 2015-10-07 | 0.1.0.1 | lortabac |
| pixelated-avatar-generator | 6 | 0.0 | 0 | A library and application for generating pixelated avatars. | (graphics, image, library, mit, program) | 2016-08-13 | 0.1.3 | ExcaliburZero |
| piyo | 2 | 0.0 | 0 | Haskell game engine like fantasy console. | (game, library, mit, program) | 2018-08-08 | 0.1.0.0 | opyapeus |
| pkcs7 | 2 | 0.0 | 1 | PKCS #7 padding in Haskell | (crypto, library, mit) | 2015-08-14 | 1.0.0.1 | kisom |
| plex | 2 | 0.0 | 1 | run a subprocess, combining stdout and stderr | (library, mit, system) | 2018-04-04 | 0.2.0.0 | phlummox |
| plocketed | 3 | 0.0 | 1 | plot data from stdin through socketed | (mit, program, web) | 2017-04-13 | 0.1.0.1 | sencenan |
| plotlyhs | 7 | 0.0 | 1 | Haskell bindings to Plotly.js | (charts, graphics, library, mit) | 2022-11-23 | 0.2.3 | glutamate, JonathanReeve |
| plotserver-api | 6 | 0.0 | 1 | Plotserver API | (api, library, mit) | 2014-01-04 | 0.22 | dtorok |
| plow-log | 2 | 0.0 | 3 | Contravariant logging library | (library, logging, mit) | 2022-11-23 | 0.1.6.0 | goodlyrottenapple, sidk |
| plow-log-async | 3 | 0.0 | 1 | Async IO tracer for plow-log | (library, logging, mit) | 2022-11-28 | 0.1.4.0 | sidk |
| 3 | 0.0 | 1 | Bindings for the Pocket API | (library, mit, web) | 2020-05-30 | 0.3.0 | jpvillaisaza | |
| poker | 1 | 2.0 | 0 | Texas holdem hand evaluation and simulation. | (game, library, mit, poker, program, simulation) | 2021-08-01 | 0.1.0.0 | ghais |
| pokitdok (deprecated) | 3 | 0.0 | 1 | PokitDok Platform API Client for Haskell | (api, deprecated, library, mit) | 2015-03-20 | 4.1.0.2 | Decryptic |
| pollock | 3 | 0.0 | 0 | Functionality to help examine Haddock information of a module. | (development, documentation, library, mit) | 2025-04-07 | 0.1.0.3 | TrevisElser |
| polydata | 3 | 0.0 | 1 | Wrap together data and it's constraints. | (data, library, mit) | 2017-10-16 | 0.3.0.0 | clinton |
| polysemy-extra | 28 | 0.0 | 5 | Extra Input and Output functions for polysemy. | (library, mit, polysemy) | 2022-09-04 | 0.2.1.0 | locallycompact |
| polysemy-fskvstore | 3 | 0.0 | 1 | Run a KVStore as a filesystem in polysemy. | (library, mit, polysemy) | 2022-12-17 | 0.1.2.0 | locallycompact |
| polysemy-kvstore | 8 | 0.0 | 4 | KVStore effect for polysemy. | (library, mit, polysemy) | 2022-08-11 | 0.1.3.0 | locallycompact |
| polysemy-kvstore-jsonfile | 2 | 0.0 | 0 | Run a KVStore as a single json file in polysemy. | (library, mit, polysemy) | 2021-07-18 | 0.1.1.0 | locallycompact |
| polysemy-methodology | 14 | 0.0 | 5 | Domain modelling algebra for polysemy | (library, mit, polysemy) | 2022-09-04 | 0.2.2.0 | locallycompact |
| polysemy-methodology-co-log | 3 | 0.0 | 0 | Logging functions for polysemy-methodology. | (library, mit, polysemy) | 2021-07-25 | 0.1.0.0 | locallycompact |
| polysemy-methodology-composite | 10 | 0.0 | 2 | Functions for using polysemy-methodology with composite. | (composite, library, mit, modelling, polysemy, polysemy-vinyl-composite, vinyl) | 2020-11-14 | 0.1.4.0 | locallycompact |
| polysemy-path | 5 | 0.0 | 1 | Polysemy versions of Path functions. | (library, mit, polysemy) | 2021-07-24 | 0.2.1.0 | locallycompact |
| polysemy-several | 3 | 0.0 | 2 | Run several effects at once, taken from the polysemy-zoo. | (library, mit, polysemy) | 2022-09-04 | 0.1.1.0 | locallycompact |
| polysemy-socket | 2 | 0.0 | 0 | Socket effect for polysemy. | (library, mit, polysemy) | 2021-07-30 | 0.0.2.0 | locallycompact |
| polysemy-uncontrolled | 3 | 0.0 | 0 | Uncontrolled toy effect for polysemy. | (library, mit, polysemy) | 2022-10-19 | 0.1.1.1 | locallycompact |
| polysemy-video | 7 | 0.0 | 1 | Experimental video processing DSL for polysemy. | (library, mit, polysemy, video, video-polysemy) | 2021-07-18 | 0.2.0.1 | locallycompact |
| polysemy-vinyl | 14 | 0.0 | 3 | Functions for mapping vinyl records in polysemy. | (library, mit, polysemy-vinyl) | 2021-07-25 | 0.1.5.0 | locallycompact |
| pomaps | 15 | 0.0 | 1 | Maps and sets of partial orders | (data-structures, library, mit) | 2021-02-07 | 0.2.0.1 | sgraf812 |
| ponder | 2 | 0.0 | 1 | PEG parser combinator | (library, mit, parsing) | 2014-03-06 | 0.0.1 | matt |
| pool-conduit (deprecated in favor of resource-pool) | 37 | 0.0 | 18 | Resource pool allocations via ResourceT. (deprecated) | (conduit, database, deprecated, library, mit, yesod) | 2014-04-03 | 0.1.2.3 | MichaelSnoyman |
| popkey | 6 | 0.0 | 0 | Static key-value storage backed by poppy | (data, library, mit) | 2022-05-08 | 0.1.0.2 | identicalsnowflake |
| populate-setup-exe-cache | 1 | 0.0 | 1 | Empty Cabal package | (distribution, library, mit) | 2014-11-27 | 1.0 | mietek |
| porcupine-core | 5 | 2.0 | 2 | Express portable, composable and reusable data tasks and pipelines | (arrows, combinators, control, data, json, library, mit, numerical, pipes, program, streaming) | 2019-10-09 | 0.1.0.1 | YvesPares |
| porcupine-http | 2 | 0.0 | 0 | A location accessor for porcupine to connect to HTTP sources/sinks | (arrows, combinators, control, data, library, mit, program, web) | 2019-10-09 | 0.1.0.0 | YvesPares |
| porcupine-s3 | 2 | 0.0 | 0 | A location accessor for porcupine to connect to AWS S3 sources/sinks | (arrows, aws, cloud, combinators, control, data, library, mit, program) | 2019-10-09 | 0.1.0.0 | YvesPares |
| porpoise | 0 | 0.0 | 0 | A minimalist HTTP server framework written on top of wai | (control, library, mit, program) | 2020-10-05 | 0.1.0.0 | sgschlesinger |
| portable-template-haskell-lens | 2 | 0.0 | 2 | Lenses for the AST of Template Haskell 2.11 and Template Haskell < 2.11 | (language, library, mit) | 2016-10-28 | 0.1.0.0 | SimonHudon, bandali |
| positive-integer | 5 | 0.0 | 0 | Type of positive integers. | (library, mit, numeric) | 2025-07-04 | 0.1.2.0 | DanielDiaz |
| posix-waitpid | 4 | 0.0 | 2 | Low-level wrapping of POSIX waitpid(2). | (library, mit, system) | 2010-10-26 | 0.1 | RichardSmith, kriztw |
| posplyu | 7 | 0.0 | 0 | Sleep tracker for X11, using XScreenSaver extension and manual input. | (mit, program, tools) | 2023-08-17 | 0.1.0.3 | SergeyAlirzaev |
| postgres-embedded | 11 | 0.0 | 1 | Library for easily running embedded PostgreSQL server for tests. | (lib, library, mit) | 2018-02-18 | 0.2.0 | ilya_murzinov |
| postgresql-binary | 115 | 0.0 | 11 | Encoders and decoders for the PostgreSQL's binary format | (codecs, database, library, mit, parsing, postgresql) | 2025-07-28 | 0.14.1 | NikitaVolkov |
| postgresql-cube | 0 | 0.0 | 1 | Cube support for postgresql-simple | (database, library, mit) | 2015-07-08 | 0.1.0.0 | inaimathi |
| postgresql-error-codes | 4 | 0.0 | 2 | PostgreSQL error codes | (database, error-handling, library, mit, postgresql) | 2017-01-18 | 1.0.1 | NikitaVolkov |
| postgresql-migration-persistent | 1 | 0.0 | 0 | A PostgreSQL persistent schema migration utility | (database, library, mit) | 2025-05-20 | 1.1.0 | Jappie, jcalderone |
| postgresql-simple-sop | 11 | 0.0 | 2 | Generic functions for postgresql-simple | (library, mit, unclassified) | 2015-10-27 | 0.2 | glutamate |
| postgresql-simple-url | 3 | 0.0 | 1 | Parse postgres:// url into ConnectInfo | (database, library, mit) | 2018-03-20 | 0.2.1.0 | phadej |
| postgresql-syntax | 25 | 0.0 | 3 | PostgreSQL AST parsing and rendering | (database, library, mit, parsing, postgresql) | 2025-04-08 | 0.4.1.3 | NikitaVolkov |
| postgresql-transactional | 4 | 2.25 | 1 | a transactional monad on top of postgresql-simple | (database, library, mit) | 2016-05-09 | 1.1.1 | patrick_thomson |
| postgrest | 40 | 2.5 | 2 | REST API for any Postgres database | (executable, library, mit, network-apis, postgresql, program) | 2022-07-12 | 9.0.1 | begriffs, steve_chavez, LaurenceIsla, wolfgangwalther |
| potoki | 57 | 0.0 | 7 | Simple streaming in IO | (library, mit, streaming) | 2019-01-24 | 2.1.4.1 | NikitaVolkov, effectfully, IrinaArtemeva, vlastachu, OShev |
| potoki-cereal | 36 | 0.0 | 3 | Streaming serialization | (library, mit, potoki, streaming) | 2018-09-25 | 0.3.2 | NikitaVolkov, IrinaArtemeva, vlastachu, OShev |
| potoki-conduit | 1 | 0.0 | 0 | Integration of "potoki" and "conduit" | (conduit, library, mit, potoki, streaming) | 2019-01-16 | 0.1 | NikitaVolkov |
| potoki-core | 127 | 0.0 | 7 | Low-level components of "potoki" | (library, mit, streaming) | 2019-01-24 | 2.3.4.1 | NikitaVolkov, IrinaArtemeva, vlastachu, OShev |
| potoki-hasql | 10 | 0.0 | 1 | Integration of "potoki" and "hasql". | (database, library, mit, streaming) | 2018-06-19 | 1.6 | NikitaVolkov, effectfully, IrinaArtemeva, vlastachu, OShev |
| potoki-zlib | 1 | 0.0 | 1 | Streaming ZLib decompression | (compression, library, mit, potoki, streaming, zlib) | 2018-06-21 | 0.3 | IrinaArtemeva |
| powermate | 2 | 0.0 | 1 | bindings for Griffin PowerMate USB | (hardware, library, mit, program, system) | 2017-01-10 | 1.0 | EvanMartin, GwernBranwen, ppelleti |
| ppad-aead | 2 | 0.0 | 0 | A pure AEAD-ChaCha20-Poly1305 construction | (cryptography, library, mit) | 2025-06-21 | 0.2.0 | JaredTobin |
| ppad-base16 | 3 | 0.0 | 1 | Pure base16 encoding and decoding on bytestrings. | (cryptography, library, mit) | 2025-03-10 | 0.2.0 | JaredTobin |
| ppad-base58 | 4 | 0.0 | 1 | base58 and base58check encoding/decoding. | (cryptography, library, mit) | 2025-06-21 | 0.2.1 | JaredTobin |
| ppad-bech32 | 6 | 0.0 | 0 | bech32 and bech32m encoding/decoding, per BIPs 173 & 350. | (cryptography, library, mit) | 2025-06-21 | 0.2.3 | JaredTobin |
| ppad-bip32 | 4 | 0.0 | 0 | BIP32 hierarchical deterministic wallets. | (cryptography, library, mit) | 2025-06-21 | 0.2.0 | JaredTobin |
| ppad-bip39 | 10 | 0.0 | 0 | BIP39 mnemonic codes. | (cryptography, library, mit) | 2025-06-21 | 0.3.0 | JaredTobin |
| ppad-chacha | 4 | 0.0 | 1 | A pure ChaCha20 stream cipher | (cryptography, library, mit) | 2025-06-21 | 0.2.0 | JaredTobin |
| ppad-hkdf | 5 | 0.0 | 0 | A HMAC-based key derivation function | (cryptography, library, mit) | 2025-06-21 | 0.3.0 | JaredTobin |
| ppad-hmac-drbg | 2 | 0.0 | 1 | HMAC-based deterministic random bit generator | (cryptography, library, mit) | 2025-02-06 | 0.1.2 | JaredTobin |
| ppad-pbkdf | 4 | 0.0 | 1 | A password-based key derivation function | (cryptography, library, mit) | 2025-06-21 | 0.2.0 | JaredTobin |
| ppad-poly1305 | 5 | 1.75 | 1 | A pure Poly1305 MAC | (cryptography, library, mit) | 2025-06-21 | 0.3.0 | JaredTobin |
| ppad-ripemd160 | 5 | 0.0 | 1 | The RIPEMD-160 hashing algorithm. | (cryptography, library, mit) | 2025-02-06 | 0.1.3 | JaredTobin |
| ppad-script | 6 | 0.0 | 0 | Primitive Script support. | (cryptography, library, mit) | 2025-01-21 | 0.2.1 | JaredTobin |
| ppad-secp256k1 | 20 | 0.0 | 1 | Schnorr signatures, ECDSA, and ECDH on the elliptic curve secp256k1 | (cryptography, library, mit) | 2025-06-21 | 0.4.0 | JaredTobin |
| ppad-sha256 | 5 | 0.0 | 4 | The SHA-256 and HMAC-SHA256 algorithms | (cryptography, library, mit) | 2025-01-21 | 0.2.3 | JaredTobin |
| ppad-sha512 | 7 | 0.0 | 2 | The SHA-512 and HMAC-SHA512 algorithms | (cryptography, library, mit) | 2025-01-21 | 0.1.3 | JaredTobin |
| pprecord | 3 | 0.0 | 0 | A library for pretty printing Records | (library, mit, text) | 2020-01-23 | 0.2.0.0 | tdct |
| pptable | 3 | 2.0 | 2 | Pretty Print containers in a tabular format | (library, mit, text) | 2018-03-17 | 0.3.0.0 | gdevanla |
| preamble | 76 | 0.0 | 5 | Yet another prelude. | (library, mit, prelude) | 2018-10-11 | 0.0.65 | markfine |
| precursor | 2 | 0.0 | 1 | Prelude replacement | (library, mit, prelude) | 2016-10-26 | 0.1.0.0 | oisdk |
| predicate-class | 1 | 0.0 | 4 | Helper class for passing context along a predicate value | (data, library, mit) | 2018-03-23 | 0.1.0.1 | HeliWang |
| prefork | 1 | 0.0 | 1 | A library for building a prefork-style server quickly | (library, mit, system) | 2014-10-08 | 0.0.9 | ikehara, junjihashimoto |
| pregame | 18 | 0.0 | 2 | Prelude for applications | (library, mit, prelude) | 2016-12-10 | 1.0.3.0 | jxv |
| prelude-prime (deprecated) | 4 | 0.0 | 1 | A slightly better (but conservative) Prelude | (deprecated, library, mit, prelude) | 2013-05-23 | 0.1 | RomanCheplyaka |
| preprocessor | 1 | 0.0 | 1 | Remove cpp annotations to get the source ready for static analysis. | (cpp, library, mit, source-code-analysis) | 2016-09-01 | 0.1.0.0 | meditans |
| pretty-html | 1 | 0.0 | 0 | Produce nice human-readable HTML | (html, library, mit) | 2023-01-10 | 0.1.0.1 | chris_martin, Monoid_Mary |
| pretty-relative-time | 4 | 0.0 | 2 | Pretty relative time | (library, mit, time) | 2021-11-20 | 0.3.0.0 | Norfair |
| pretty-show | 119 | 2.5 | 96 | Tools for working with derived `Show` instances and generic inspection of values. | (library, mit, program, text) | 2020-01-30 | 1.10 | IavorDiatchki |
| pretty-show-ansi-wl | 3 | 0.0 | 0 | Like pretty-show, but only for ansi-wl-pprint | (library, mit, text) | 2018-11-30 | 1.9.2.1 | LiamOConnorDavis |
| prim | 13 | 0.0 | 0 | An ergonomic but conservative interface to ghc-prim | (library, mit, prelude) | 2020-04-28 | 0.1.0.9 | dailectic |
| primesieve | 3 | 0.0 | 0 | FFI bindings for the primesieve library. | (algorithms, foreign, library, math, mit, number-theory, program) | 2024-03-17 | 0.2.0 | sighingnow |
| primitive-extras | 80 | 0.0 | 3 | Extras for the "primitive" library | (library, mit, primitive) | 2025-02-13 | 0.10.2.2 | NikitaVolkov |
| print-info | 4 | 0.0 | 2 | Can be used to coordinate the printing output. | (data, library, mit) | 2020-09-01 | 0.1.3.0 | OleksandrZhabenko |
| private-hackage-uploader | 2 | 2.0 | 0 | Upload a package to the public or private hackage, building its docs | (library, mit, system) | 2017-10-10 | 0.2.3.0 | ChrisDornan |
| proc-net | 7 | 0.0 | 1 | Parse /proc/net/{tcp,tcp6,udp,udp6} | (library, mit, network) | 2016-08-08 | 1.0.0.2 | implementation |
| process-extras | 45 | 0.0 | 31 | Process extras | (library, mit, system) | 2018-02-03 | 0.7.4 | DavidFox, DavidLazar |
| process-listlike (deprecated in favor of process-extras) | 10 | 0.0 | 5 | Process extras | (deprecated, library, mit, system) | 2014-12-04 | 1.0 | DavidFox |
| process-sequential | 6 | 0.0 | 1 | A test suite for the complex multi files multi level processment. | (library, mit, system, testing) | 2022-08-17 | 0.1.2.0 | OleksandrZhabenko |
| procex | 22 | 0.0 | 0 | Ergonomic process launching with extreme flexibility and speed | (library, mit, shell, system) | 2022-08-29 | 0.3.3 | las |
| proctest | 8 | 0.0 | 1 | An IO library for testing interactive command line programs | (library, mit, program, testing) | 2025-02-04 | 0.1.3.1 | NiklasHambuechen |
| producer | 1 | 0.0 | 1 | Simple streaming datatype | (education, library, mit) | 2017-10-03 | 0.1.0.0 | etorreborre |
| prof-flamegraph | 1 | 0.0 | 0 | Generate flamegraphs from ghc RTS .prof files | (mit, program, testing) | 2018-11-19 | 1.0.0 | fommil |
| profunctor-monad | 2 | 0.0 | 0 | Monadic bidirectional programming | (control, library, mit) | 2022-05-17 | 0.2.0.0 | lyxia, SamFrohlich |
| project-m36 | 48 | 2.0 | 0 | Relational Algebra Engine | (library, mit, program, public-domain, relational-algebra) | 2025-04-01 | 1.1.1 | agentm |
| projectile | 2 | 0.0 | 1 | Go to README.md | (library, mit, todo) | 2017-08-26 | 0.0.0.2 | RomanGonzalez |
| projectroot | 4 | 0.0 | 1 | Bindings to the projectroot C logic | (library, mit, system) | 2015-12-20 | 0.2.0.1 | yamadapc |
| prolude (deprecated) | 56 | 2.0 | 0 | ACI Learning's custom prelude | (deprecated, library, mit, prelude) | 2023-01-26 | 0.0.0.30 | fozworth, saramuse |
| prometheus-wai | 9 | 0.0 | 0 | (library, mit, unclassified) | 2025-07-14 | 0.0.0.1 | Norfair | |
| prompt | 3 | 0.0 | 1 | Monad (and transformer) for deferred-effect pure prompt-response queries | (control, library, mit) | 2016-05-26 | 0.1.1.2 | jle |
| proof-assistant-bot | 4 | 0.0 | 0 | Telegram bot for proof assistants | (dependent-types, library, mit, program) | 2024-02-07 | 0.2.2 | swamp_agr |
| proof-combinators (deprecated in favor of liquid-prelude) | 1 | 0.0 | 1 | DEPRECATED | (deprecated, library, mit, theorem-proving) | 2018-03-28 | 0.1.0.0 | FacundoDominguez, nikivazou |
| protobuf-simple | 9 | 0.0 | 1 | Simple Protocol Buffers library (proto2) | (data, library, mit, program) | 2021-07-18 | 0.1.1.1 | mrijkeboer |
| protolude | 55 | 2.5 | 124 | A small prelude. | (library, mit, prelude) | 2025-05-16 | 0.3.5 | sdiehl, adamwespiser |
| proxy | 3 | 0.0 | 1 | proxy helpers | (data, library, mit) | 2018-05-16 | 0.1.0.0 | chessai |
| prune-juice | 7 | 0.0 | 0 | Prune unused Haskell dependencies | (development, library, mit, program) | 2021-11-12 | 0.7 | dfithian |
| psc-ide (deprecated in favor of purescript) | 11 | 2.0 | 0 | Language support for the PureScript programming language | (deprecated, development, library, mit, program, purescript) | 2016-02-02 | 0.6.1 | kritzcreek |
| psi | 3 | 0.0 | 1 | Yet another custom Prelude. | (library, mit, prelude) | 2016-10-01 | 0.1.1.0 | fractalcat |
| psql-helpers | 2 | 0.0 | 1 | A small collection of helper functions to generate postgresql queries | (library, mit, web) | 2016-03-03 | 0.1.0.0 | AlexanderThiemann |
| ptr | 32 | 0.0 | 7 | Experimental abstractions for operations on pointers | (data, library, mit, ptr) | 2025-02-03 | 0.16.8.7 | NikitaVolkov |
| ptr-poker | 29 | 0.0 | 1 | Pointer poking action construction and composition toolkit | (data, library, memory, mit, ptr) | 2024-12-03 | 0.1.2.16 | NikitaVolkov |
| publicsuffix | 58 | 0.0 | 1 | The publicsuffix list exposed as proper Haskell types | (data, library, mit) | 2020-05-26 | 0.20200526 | wereHamster |
| publish | 14 | 0.0 | 0 | Publishing tools for papers, books, and presentations | (mit, program, text) | 2023-02-13 | 2.5.3 | AndrewCowie |
| pubnub | 10 | 0.0 | 1 | PubNub Haskell SDK | (api, cloud, library, mit, program) | 2014-05-05 | 1.1.1 | tsloughter |
| pugixml | 6 | 0.0 | 1 | pugixml binding. | (library, mit, text, xml) | 2016-11-05 | 0.3.3 | NeilMitchell, HirotomoMoriwaki |
| pulse | 0 | 0.0 | 1 | Synchronize actions to a time pulse | (concurrency, library, mit) | 2016-06-04 | 0.1.0.0 | AlexanderThiemann |
| punkt | 2 | 0.0 | 1 | Multilingual unsupervised sentence tokenization with Punkt. | (library, mit, natural-language-processing, text) | 2014-10-17 | 0.1.1 | bryant |
| purescript-bundle-fast | 0 | 0.0 | 1 | A fast alternative to Purescript's `psc-bundle` to be used during development | (development, mit, program) | 2015-07-31 | 0.1.0.1 | BitConnor |
| push-notify | 3 | 0.0 | 3 | A server-side library for sending push notifications. | (cloud, library, mit, mobile, network) | 2014-03-24 | 0.1.0.1 | MarcosPividori |
| push-notify-ccs | 2 | 0.0 | 2 | A server-side library for sending/receiving push notifications through CCS (Google Cloud Messaging). | (cloud, library, mit, mobile, network) | 2014-03-24 | 0.1.0.1 | MarcosPividori |
| push-notify-general | 4 | 0.0 | 1 | A general library for sending/receiving push notif. through dif. services. | (cloud, library, mit, mobile, network) | 2014-03-24 | 0.1.0.1 | MarcosPividori |
| pushbullet-types | 9 | 0.0 | 1 | Datatypes used by the Pushbullet APIs | (library, mit, web) | 2018-03-17 | 0.4.1.0 | tsani |
| pusher-haskell | 2 | 0.0 | 1 | A Pusher.com client written in Haskell | (library, mit, web) | 2015-07-17 | 0.1.0.0 | sidraval |
| pusher-http-haskell | 68 | 2.0 | 1 | Haskell client library for the Pusher Channels HTTP API | (library, mit, network) | 2024-12-21 | 2.1.0.20 | willsewell |
| pusher-ws | 4 | 0.0 | 1 | Implementation of the Pusher WebSocket protocol | (library, mit, network) | 2017-11-20 | 0.1.1.0 | barrucadu |
| puzzle-draw | 14 | 0.0 | 1 | Creating graphics for pencil puzzles. | (graphics, library, mit, program) | 2018-07-18 | 0.3.0.0 | vollmert |
| puzzle-draw-cmdline (deprecated in favor of puzzle-draw) | 7 | 0.0 | 1 | Creating graphics for pencil puzzles, command line tools. | (deprecated, graphics, mit, program) | 2014-04-19 | 0.1.0.4 | vollmert |
| pvss | 2 | 0.0 | 0 | Public Verifiable Secret Sharing | (crypto, mit, program) | 2017-08-01 | 0.2.0 | VincentHanquez |
| pyffi | 1 | 0.0 | 1 | Call python inline from haskell | (language, library, mit) | 2014-11-11 | 0.4.0.2 | russell91 |
| pyfi | 3 | 0.0 | 1 | Call python inline from haskell | (language, library, mit) | 2014-11-17 | 0.4.0.4 | russell91 |
| qhs | 5 | 0.0 | 0 | Command line tool qhs, SQL queries on CSV and TSV files. | (console, library, mit, program) | 2025-06-16 | 0.4.0 | itchyny |
| qq-literals | 8 | 0.0 | 1 | Compile-time checked literal values via QuasiQuoters. | (library, mit, unclassified) | 2021-09-20 | 0.1.1.0 | hdgarrood |
| qrcode-core | 13 | 0.0 | 3 | QR code library in pure Haskell | (codec, library, mit) | 2024-09-29 | 0.9.10 | alexkazik |
| qrcode-juicypixels | 7 | 0.0 | 2 | Converts a qrcode-core image to JuicyPixels | (graphics, library, mit) | 2024-09-29 | 0.8.6 | alexkazik |
| quadratic-irrational | 13 | 0.0 | 1 | An implementation of quadratic irrationals | (algorithms, data, library, math, mit) | 2025-07-15 | 0.1.2 | ion, Bodigrim |
| quantizer | 11 | 0.0 | 3 | Library to provide the behaviour similar to quantum states superposition. | (library, math, mit) | 2024-09-28 | 0.4.0.0 | OleksandrZhabenko |
| quantum-random | 7 | 0.0 | 0 | Retrieve, store and manage real quantum random data. | (library, mit, program, scientific) | 2017-01-14 | 0.6.4 | Cliff_Harvey |
| queryparser | 5 | 0.0 | 4 | Analysis and parsing library for SQL queries. | (database, library, mit) | 2018-03-23 | 0.1.0.1 | HeliWang |
| queryparser-demo | 1 | 0.0 | 1 | Demo package containing queryparser examples | (database, library, mit) | 2018-03-23 | 0.1.0.0 | HeliWang |
| queryparser-hive | 2 | 0.0 | 1 | Parsing for Hive SQL queries | (database, library, mit) | 2018-03-23 | 0.1.0.1 | HeliWang |
| queryparser-presto | 2 | 0.0 | 1 | Parsing for Presto SQL queries | (database, library, mit) | 2018-03-23 | 0.1.0.1 | HeliWang |
| queryparser-vertica | 3 | 0.0 | 1 | Parsing for Vertica SQL queries | (database, library, mit) | 2018-03-23 | 0.1.0.1 | HeliWang |
| questioner | 7 | 0.0 | 1 | A package for prompting values from the command-line. | (library, mit, system) | 2014-12-07 | 0.1.1.0 | yamadapc |
| queue-sheet | 2 | 0.0 | 0 | queue sheet utility | (library, mit, program, utils) | 2025-01-03 | 0.8.0.1 | TravisCardwell |
| quick-schema | 2 | 0.0 | 1 | Slimmed down json schema language and validator | (data, json, library, mit) | 2015-11-03 | 0.1.0.0 | benweitzman |
| quickcheck-higherorder | 2 | 0.0 | 2 | QuickCheck extension for higher-order properties | (library, mit, testing) | 2022-02-03 | 0.1.0.1 | lyxia |
| quickcheck-io | 15 | 0.0 | 7 | Use HUnit assertions as QuickCheck properties | (library, mit, testing) | 2017-06-16 | 0.2.0 | SimonHengel, parsonsmatt |
| quickcheck-rematch | 2 | 0.0 | 1 | QuickCheck support for rematch | (library, mit, testing) | 2013-05-19 | 0.1.0.0 | TomCrayford |
| quickcheck-report | 1 | 0.0 | 2 | Customizable reports for quickcheck properties | (library, mit, testing) | 2016-10-28 | 0.1.0.0 | SimonHudon, bandali |
| quickcheck-special | 9 | 2.0 | 1 | Edge cases and special values for QuickCheck Arbitrary instances | (library, mit, testing) | 2017-11-09 | 0.1.0.6 | minad |
| quickcheck-text | 7 | 0.0 | 4 | Alternative arbitrary instance for Text | (library, mit, text) | 2016-09-22 | 0.1.2.1 | fractalcat |
| quickcheck-transformer | 5 | 0.0 | 1 | A GenT monad transformer for QuickCheck library. | (library, mit, testing) | 2023-02-15 | 0.3.1.2 | HenningThielemann |
| quickcheck-webdriver | 6 | 0.0 | 1 | Utilities for using WebDriver with QuickCheck | (library, mit, testing) | 2014-10-07 | 0.1.0.7 | christianpbrink |
| quickjs-hs | 8 | 0.0 | 1 | Wrapper for the QuickJS Javascript Engine | (javascript, library, mit) | 2021-01-06 | 0.1.2.4 | goodlyrottenapple, haskell_github_trust |
| quickselect | 0 | 0.0 | 1 | (library, mit, unclassified) | 2018-05-29 | 0.1.0.0 | oisdk | |
| quiver-binary | 6 | 0.0 | 1 | Binary serialisation support for Quivers | (control, library, mit) | 2016-11-26 | 0.1.1.1 | IvanMiljenovic |
| quiver-groups | 2 | 0.0 | 1 | Group and chunk values within a Quiver | (control, library, mit) | 2016-07-19 | 0.1.0.1 | IvanMiljenovic |
| quiver-instances | 5 | 0.0 | 1 | Extra instances for Quiver | (control, library, mit) | 2016-11-26 | 0.2.0.1 | IvanMiljenovic |
| quiver-interleave | 4 | 0.0 | 1 | Interleave values from multiple Quivers | (control, library, mit) | 2016-11-26 | 0.2.0.2 | IvanMiljenovic |
| quiver-sort | 3 | 0.0 | 1 | Sort the values in a quiver | (control, library, mit) | 2016-11-26 | 0.2.0.1 | IvanMiljenovic |
| quokka | 5 | 0.0 | 0 | Test helpers which help generate data for projects that use postgresql. | (database, library, mit, testing) | 2019-11-06 | 0.1.2 | shirren |
| r-glpk-phonetic-languages-ukrainian-durations | 14 | 0.0 | 0 | Can be used to calculate the durations of the approximations of the Ukrainian phonemes. | (Ukrainian, glpk, language, library, math, mit, phonetic-languages, program) | 2023-02-03 | 0.5.0.0 | OleksandrZhabenko |
| r-tree | 1 | 0.0 | 0 | R-/R*-trees. | (data-structures, library, mit) | 2024-09-08 | 1.0.0.0 | OleksiiDivak |
| raft | 6 | 0.0 | 1 | Miscellaneous Haskell utilities for data structures and data manipulation. | (data, library, mit) | 2019-08-14 | 0.4.0.0 | BrianBush |
| rail-compiler-editor | 2 | 0.0 | 1 | Compiler and editor for the esolang rail. | (language, library, mit, program) | 2014-07-17 | 0.3.0.0 | bubuiic |
| rakuten | 17 | 0.0 | 1 | The Rakuten API in Haskell | (library, mit, web) | 2018-08-06 | 0.1.1.5 | matsubara0507 |
| raml | 1 | 0.0 | 1 | RESTful API Modeling Language (RAML) library for Haskell | (library, mit, web) | 2015-06-05 | 0.1.0 | fnoble |
| rampart | 22 | 2.25 | 0 | Determine how intervals relate to each other. | (library, math, mit) | 2025-05-22 | 2.0.0.11 | fozworth |
| ramus | 4 | 0.0 | 1 | Elm signal system for Haskell | (library, mit, other) | 2017-02-07 | 0.1.2 | NickSeagull |
| random-bytestring | 15 | 0.0 | 3 | Efficient generation of random bytestrings | (library, mit, system) | 2021-02-15 | 0.1.4 | larsk, topos |
| random-hypergeometric | 1 | 0.0 | 1 | Random variate generation from hypergeometric distributions | (library, math, mit) | 2015-03-30 | 0.1.0.0 | srijs |
| random-names | 0 | 0.0 | 1 | Expose Random and Arbitrary instances | (library, mit, simple) | 2018-03-15 | 0.1.0.0 | aiya000 |
| random-variates | 14 | 2.0 | 0 | "Uniform RNG => Non-Uniform RNGs" | (library, mit, program, statistics) | 2016-05-20 | 0.1.5.1 | kpratt |
| range | 12 | 0.0 | 2 | An efficient and versatile range library. | (data, library, mit) | 2019-10-26 | 0.3.0.2 | RobertMassaioli, srijs |
| range-set-list | 18 | 0.0 | 2 | Memory efficient sets with ranges of elements. | (data, library, mit) | 2024-07-03 | 0.1.4 | phadej |
| rasa-ext-bufs | 2 | 0.0 | 3 | Rasa Ext for useful buffer utilities | (extension, library, mit) | 2017-01-12 | 0.1.1 | ChrisPenner |
| rascal | 4 | 0.0 | 1 | A command-line client for Reddit | (library, mit, program, web) | 2014-01-13 | 1.1.6 | soli |
| ratel | 58 | 0.0 | 1 | Notify Honeybadger about exceptions. | (exceptions, library, mit) | 2025-05-22 | 2.0.0.15 | fozworth |
| ratel-wai | 42 | 0.0 | 1 | Notify Honeybadger about exceptions via a WAI middleware. | (exceptions, library, mit) | 2025-05-22 | 2.0.0.10 | fozworth |
| rattletrap | 210 | 0.0 | 1 | Parse and generate Rocket League replays. | (game, library, mit, program) | 2025-05-22 | 14.1.3 | fozworth |
| raven-haskell | 24 | 0.0 | 4 | Haskell client for Sentry logging service. | (library, logging, mit) | 2022-06-29 | 0.1.4.1 | AlexanderBondarenko |
| raven-haskell-scotty | 5 | 0.0 | 1 | Sentry http interface for Scotty web server. | (library, mit, web) | 2024-08-01 | 0.1.1.0 | AlexanderBondarenko |
| raz | 2 | 0.0 | 1 | Random Access Zippers | (algorithms, library, mit) | 2016-09-18 | 0.1.0.0 | lyxia |
| rbst | 3 | 0.0 | 0 | Randomized Binary Search Trees | (data-structures, library, mit) | 2020-05-09 | 0.0.0.1 | ArnauAbella |
| rdf | 12 | 2.0 | 1 | Representation and Incremental Processing of RDF Data | (data, library, mit) | 2023-12-23 | 0.1.0.8 | TravisWhitaker |
| rdioh | 14 | 0.0 | 1 | A Haskell wrapper for Rdio's API. | (api, library, mit, network, program, web) | 2013-06-07 | 0.2.1 | AdityaBhargava |
| re2 | 4 | 0.0 | 1 | Bindings to the re2 regular expression library | (library, mit, regex) | 2018-12-08 | 0.3 | JohnMillikin, blaze |
| react-haskell | 11 | 0.0 | 1 | Haskell React bindings | (library, mit, web) | 2015-07-31 | 2.0.1 | joelb |
| reactive-io (deprecated) | 1 | 0.0 | 1 | IO-oriented FRP library | (control, deprecated, library, mit) | 2013-07-06 | 0.1 | RomanCheplyaka |
| read-ctags | 2 | 0.0 | 0 | (library, mit, program, unclassified) | 2019-12-22 | 0.1.0.0 | joshuaclayton | |
| read-editor | 3 | 2.0 | 1 | Opens a temporary file on the system's EDITOR and returns the resulting edits | (library, mit, system) | 2016-01-10 | 0.1.0.2 | yamadapc |
| read-io | 2 | 0.0 | 1 | Read IO library | (library, mit, system) | 2017-02-15 | 0.0.0.1 | zaidan |
| readcsv | 3 | 0.0 | 1 | Lightweight CSV parser/emitter based on ReadP | (library, mit, web) | 2017-03-14 | 0.1.1 | gtsteel |
| reader-soup | 4 | 0.0 | 3 | Vinyl-based reader-like monad composition | (combinators, control, library, mit) | 2019-10-09 | 0.1.0.1 | YvesPares |
| readshp | 1 | 0.0 | 2 | Code for reading ESRI Shapefiles. | (geometry, library, mit) | 2016-04-26 | 0.1.0.0 | Samvh |
| real-dice | 7 | 0.0 | 0 | Random number generation based on physical media touched by humans | (data, library, math, mit, program) | 2025-03-14 | 0.1.0.5 | kaBeech |
| reason-export | 7 | 0.0 | 1 | Generate Reason types from Haskell | (library, mit, web) | 2019-06-01 | 0.1.2.0 | AndreiBarbu |
| reasonable-lens | 6 | 1.25 | 2 | Lens implementation. It is more small but adequately. | (control, library, mit) | 2015-04-15 | 0.2.1.1 | outoftune |
| reasonable-operational | 2 | 0.0 | 2 | Just size Operational Monad implementation. | (control, library, mit) | 2015-02-13 | 0.1.0.1 | outoftune |
| rebase | 109 | 0.0 | 1 | A more progressive alternative to the "base" package | (library, mit, unclassified) | 2025-01-30 | 1.21.2 | NikitaVolkov |
| rebindable | 3 | 0.0 | 1 | A library to facilitate rebinding of Haskell syntax | (library, mit, syntax) | 2016-11-20 | 0.1.2 | sleexyz |
| record | 27 | 0.0 | 6 | Anonymous records | (control, data-structures, library, mit, records) | 2016-10-24 | 0.4.2 | NikitaVolkov |
| record-aeson | 5 | 0.0 | 1 | Instances of "aeson" classes for the "record" types | (data, json, library, mit, records) | 2015-11-06 | 0.1.1 | NikitaVolkov |
| record-preprocessor | 6 | 0.0 | 1 | Compiler preprocessor introducing a syntactic extension for anonymous records | (compiler, library, mit, preprocessor, program, records) | 2016-10-24 | 0.1.1.1 | NikitaVolkov |
| record-syntax | 6 | 0.0 | 0 | A library for parsing and processing the Haskell syntax sprinkled with anonymous records | (library, mit, parser, preprocessor, records, syntax) | 2016-10-24 | 0.1.1 | NikitaVolkov |
| records-th | 2 | 0.0 | 1 | Template Haskell declarations for the records package | (data, library, mit) | 2012-08-01 | 0.1.1.0 | SamAnklesaria |
| recurly-client | 3 | 0.0 | 0 | Client for Recurly subscription management | (client, library, mit, payments) | 2025-03-14 | 0.1.0.0 | PatrickBrisbin, dukerutledge, mjgpy3, chris_martin, FreckleEngineering, OlaoluwaM |
| redact | 3 | 0.0 | 0 | hide secret text on the terminal | (library, mit, program, utils) | 2024-12-29 | 0.6.0.0 | TravisCardwell |
| redis | 33 | 2.0 | 2 | A driver for Redis key-value database | (database, library, mit) | 2020-07-03 | 0.14.2 | AlexanderBogdanov, GaneshSittampalam |
| redis-hs | 26 | 0.0 | 1 | A simple Redis library for Haskell | (database, library, mit) | 2010-12-18 | 0.1.2 | WillLangstroth |
| redis-job-queue | 4 | 0.0 | 1 | Simple priority job queue backed by Redis. | (client, library, mit) | 2015-09-21 | 0.1.0 | TeroLaitinen |
| reedsolomon | 11 | 0.0 | 1 | Reed-Solomon Erasure Coding in Haskell | (data, library, mit) | 2017-01-13 | 0.0.4.3 | NicolasTrangez |
| refcount | 6 | 0.0 | 1 | Container with element counts | (data, library, mit) | 2014-06-08 | 0.1.2 | BenFoppa |
| reference | 1 | 0.0 | 3 | A class for references in Haskell | (control, data, library, mit) | 2010-09-06 | 0.1 | MaciejPiechotka |
| refh | 2 | 0.0 | 1 | A command-line tool for pasting to https://www.refheap.com | (mit, program, unclassified) | 2013-02-24 | 0.1.1 | AnthonyGrimes |
| refined | 54 | 2.5 | 19 | Refinement types with static and runtime checking | (data, library, mit) | 2024-05-09 | 0.8.2 | NikitaVolkov, chessai |
| refined-containers | 4 | 0.0 | 0 | Type-checked proof that a key exists in a container and can be safely indexed. | (data, library, mit) | 2025-03-24 | 0.1.2.0 | mniip, typeable |
| refined-http-api-data | 2 | 0.0 | 0 | http-api-data instances for refined types | (data, library, mit) | 2019-11-06 | 0.1.0.0 | brandonhamilton |
| refined-with (deprecated in favor of strongweak) | 11 | 0.0 | 1 | Refinement types with an "refinement applied" switch. | (data, deprecated, library, mit) | 2022-04-23 | 0.3.0 | raehik |
| refined1 (deprecated in favor of rerefined) | 1 | 0.0 | 2 | Refinement types with static and runtime checking (+ Refined1) | (data, deprecated, library, mit) | 2023-05-10 | 0.9.0 | raehik |
| reflex-dom-fragment-shader-canvas | 5 | 0.0 | 0 | A reflex-dom widget to draw on a canvas with a fragment shader program | (library, mit, program, web) | 2018-10-12 | 0.2 | JoachimBreitner |
| reflex-dom-retractable | 6 | 2.0 | 0 | Routing and retractable back button for reflex-dom | (frp, gui, html, javascript, library, mit, reactive, reactivity, reflex, user-interface, user-interfaces, web) | 2020-11-26 | 0.1.7.0 | NCrashed |
| reflex-external-ref | 11 | 0.0 | 2 | External reference with reactivity support | (frp, gui, html, javascript, library, mit, reactive, reactivity, reflex, user-interface, user-interfaces, web) | 2024-03-16 | 1.1.0.0 | NCrashed |
| reflex-localize | 11 | 0.0 | 1 | Localization library for reflex | (frp, gui, html, javascript, library, mit, reactive, reactivity, reflex, user-interface, user-interfaces, web) | 2024-03-16 | 1.2.0.0 | NCrashed |
| reflex-localize-dom | 4 | 0.0 | 0 | Helper widgets for reflex-localize | (frp, gui, html, javascript, library, mit, reactive, reactivity, reflex, user-interface, user-interfaces, web) | 2024-03-16 | 1.1.0.0 | NCrashed |
| reflex-monad-auth | 1 | 0.0 | 0 | Utilities to split reflex app to authorized and not authorized contexts | (library, mit, web) | 2020-11-25 | 0.1.0.1 | NCrashed |
| reflex-sdl2 | 5 | 2.0 | 0 | SDL2 and reflex FRP | (game, library, mit, program) | 2024-08-21 | 0.3.0.3 | SchellScivally |
| refty | 3 | 0.0 | 1 | Formatted JSON generator for API server inspired by normalizr. | (library, mit, web) | 2017-01-10 | 0.2.0.0 | oreshinya |
| regex-applicative | 27 | 2.5 | 25 | Regex-based parsing with applicative interface | (library, mit, text) | 2020-07-24 | 0.3.4 | RomanCheplyaka |
| regex-generator | 6 | 0.0 | 0 | Generate a random string from a PCRE | (library, mit, text) | 2018-12-09 | 0.1.0.3 | BenHamlin |
| registry | 220 | 0.0 | 6 | data structure for assembling components | (control, library, mit) | 2025-05-17 | 0.6.3.2 | etorreborre |
| registry-aeson | 15 | 0.0 | 0 | Aeson encoders / decoders | (data, library, mit) | 2025-05-17 | 0.3.1.2 | etorreborre |
| registry-hedgehog | 31 | 0.0 | 0 | utilities to work with Hedgehog generators and `registry` | (control, library, mit) | 2025-05-17 | 0.8.2.2 | etorreborre |
| registry-hedgehog-aeson | 9 | 0.0 | 0 | Hedgehog generators for Aeson | (library, mit, test) | 2025-05-17 | 0.3.1.2 | etorreborre |
| registry-messagepack | 12 | 0.0 | 0 | MessagePack encoders / decoders | (data, library, mit) | 2022-11-24 | 0.4.0.0 | etorreborre |
| registry-options | 5 | 0.0 | 0 | application options parsing | (data, library, mit) | 2025-05-17 | 0.2.1.1 | etorreborre |
| rei | 16 | 2.0 | 1 | Process lists easily | (data, mit, program) | 2016-12-04 | 0.4.0.3 | kerkomen |
| reified-records | 7 | 0.0 | 1 | Reify records to Maps and back again | (generics, library, mit) | 2014-05-07 | 0.2.2 | jozefg |
| reinterpret-cast | 0 | 0.0 | 8 | Memory reinterpretation casts for Float/Double and Word32/Word64 | (data, library, mit) | 2014-04-30 | 0.1.0 | NiklasHambuechen |
| relapse | 13 | 2.0 | 3 | Sensible RLP encoding | (data, library, mit) | 2022-09-03 | 1.0.0.1 | iostat |
| relude | 43 | 2.5 | 103 | Safe, performant, user-friendly and lightweight Haskell Standard Library | (library, mit, prelude) | 2024-10-13 | 1.2.2.0 | tomjaguarpaw, Bodigrim, vrom911 |
| rematch | 30 | 0.0 | 7 | A simple api for matchers | (control, library, mit) | 2013-05-19 | 0.2.0.0 | TomCrayford |
| rematch-text | 6 | 0.0 | 1 | `rematch` matchers for Data.Text | (control, library, mit) | 2013-05-19 | 0.1.0.2 | TomCrayford |
| remotion (deprecated) | 2 | 0.0 | 1 | A library for client-server applications based on custom protocols | (deprecated, library, mit, network, protocol, service) | 2014-10-19 | 0.2.0 | NikitaVolkov |
| renderable | 7 | 0.0 | 1 | An API for managing renderable resources. | (graphics, library, mit) | 2016-07-14 | 0.2.0.1 | SchellScivally |
| reorder-expression | 2 | 0.0 | 0 | Reorder expressions in a syntax tree according to operator fixities. | (language, library, mit) | 2024-12-10 | 0.1.0.2 | comp |
| repl (deprecated) | 4 | 0.0 | 1 | IRC friendly REPL library. | (deprecated, development, library, mit) | 2013-02-05 | 1.1 | MikeLedger |
| repline | 15 | 2.25 | 5 | Haskeline wrapper for GHCi-like REPL interfaces. | (library, mit, user-interfaces) | 2025-05-16 | 0.4.3.0 | sdiehl, adamwespiser |
| repr-tree-syb | 6 | 0.0 | 1 | Tree representation and pretty-printing of data structures based on SYB | (debug, library, mit, pretty-printer, text, tree) | 2016-09-22 | 0.1.1 | NikitaVolkov |
| req-oauth2 | 3 | 0.0 | 1 | Provides OAuth2 authentication for use with Req | (command-line, library, mit, program) | 2021-11-02 | 0.1.0.1 | rcook |
| req-url-extra | 3 | 0.0 | 1 | Provides URI/URL helper functions for use with Req | (library, mit, network, program, web) | 2019-02-13 | 0.1.1.0 | rcook |
| request-monad | 3 | 0.0 | 1 | A transformer for generic requests | (control, library, mit) | 2014-06-27 | 0.3.0.1 | nahiluhmot |
| require-callstack | 2 | 2.0 | 0 | Propagate HasCallStack with constraints | (development, library, mit) | 2024-12-18 | 0.2.0.1 | parsonsmatt |
| rerebase | 73 | 0.0 | 1 | Reexports from "base" with a bunch of other standard libraries | (library, mit, unclassified) | 2025-01-30 | 1.21.2 | NikitaVolkov |
| rerefined | 10 | 0.0 | 2 | Refinement types, again | (data, library, mit, types) | 2024-10-12 | 0.8.0 | raehik |
| reroute | 20 | 0.0 | 6 | abstract implementation of typed and untyped web routing | (library, mit, web) | 2022-07-20 | 0.7.0.0 | AlexanderThiemann, BrandonSimmons |
| reserve | 5 | 0.0 | 1 | Reserve reloads web applications | (mit, program, web) | 2021-07-12 | 0.1.2 | SimonHengel |
| resource-embed | 3 | 0.0 | 1 | Embed data files via C and FFI. | (development, mit, program) | 2015-04-04 | 0.1.0.0 | TobiasDammers |
| resource-pool-monad | 2 | 0.0 | 1 | A monadic interface for resource-pool | (control, library, mit) | 2015-10-24 | 0.1.0.0 | srijs |
| restyle | 1 | 0.0 | 1 | Convert between camel case and separated words style. | (development, library, mit, program) | 2010-01-01 | 0.1.0 | DanielFischer |
| result | 14 | 0.0 | 1 | Encode success or at least one error | (data, library, mit) | 2016-10-02 | 0.2.6.0 | srijs |
| ret | 15 | 0.0 | 0 | A tool that returns to a landmark parent directory | (mit, program, tool) | 2023-08-13 | 0.5.0.0 | anselmschueler |
| rethinkdb-client-driver | 36 | 0.0 | 3 | Client driver for RethinkDB | (database, library, mit) | 2017-10-11 | 0.0.25 | wereHamster |
| rethinkdb-model | 4 | 0.0 | 1 | Useful tools for modeling data with rethinkdb | (database, library, mit) | 2015-04-15 | 0.1.0.2 | seanhess |
| retrie | 17 | 0.0 | 6 | A powerful, easy-to-use codemodding tool for Haskell. | (development, library, mit) | 2024-01-15 | 1.2.3 | AndrewFarmer, PepeIborra, watashi, xich |
| retroclash-lib | 15 | 0.0 | 1 | Code shared across the code samples in the book "Retrocomputing with Clash" | (hardware, library, mit) | 2025-02-22 | 0.1.2.3 | GergoErdi |
| retroclash-sim | 3 | 0.0 | 0 | High-level simulators from the book "Retrocomputing with Clash" | (graphics, hardware, library, mit) | 2025-02-22 | 0.1.2 | GergoErdi |
| rev-scientific | 4 | 0.0 | 3 | A library to provide special kind of big numbers writing. | (data, library, math, mit) | 2023-06-22 | 0.2.1.0 | OleksandrZhabenko |
| rfc-env | 1 | 0.0 | 2 | Environment variable support from the Robert Fischer Commons. | (envars, library, mit) | 2018-07-03 | 0.0.0.1 | RobertFischer |
| rfc-http-client | 1 | 0.0 | 1 | The HTTP client extensions from the Robert Fischer Commons. | (library, mit, web) | 2018-07-03 | 0.0.0.1 | RobertFischer |
| rfc-prelude | 6 | 0.0 | 5 | The Prelude from the Robert Fischer Commons. | (library, mit, prelude) | 2018-07-03 | 0.0.0.2 | RobertFischer |
| rfc-psql | 2 | 0.0 | 1 | The PostgreSQL extensions from the Robert Fischer Commons. | (database, library, mit) | 2018-07-03 | 0.0.0.1 | RobertFischer |
| rfc-redis | 1 | 0.0 | 1 | The Redis extensions from the Robert Fischer Commons. | (library, mit, redis) | 2018-07-03 | 0.0.0.1 | RobertFischer |
| rfc-servant | 1 | 0.0 | 1 | The Servant extensions from the Robert Fischer Commons. | (library, mit, prelude) | 2018-07-03 | 0.0.0.1 | RobertFischer |
| rfc1751 | 15 | 0.0 | 1 | RFC-1751 library for Haskell | (crypto, library, mit) | 2025-05-09 | 0.1.4 | jprupp |
| rgb-color-model | 1 | 0.0 | 1 | Haskell types for working with RGB colors | (library, mit, unclassified) | 2017-12-14 | 0.2.0.0 | joegesualdo |
| rhythmic-sequences | 15 | 0.0 | 3 | Improved library to deal with rhythmicity of short sequences | (data, library, math, mit) | 2024-04-07 | 0.8.0.0 | OleksandrZhabenko |
| ribbit (deprecated) | 16 | 2.0 | 0 | [Unmaintained] Type-level Relational DB combinators. | (database, deprecated, library, mit) | 2020-04-22 | 1.1.0.1 | rickowens |
| richenv | 6 | 0.0 | 0 | Rich environment variable setup for Haskell | (configuration, library, mit) | 2025-06-22 | 0.1.0.3 | DavSanchez |
| richreports | 5 | 0.0 | 2 | Integrated pretty-printing and error/static analysis reporting. | (library, mit, text) | 2014-07-23 | 0.0.3.0 | AndreiLapets |
| riemann | 5 | 0.0 | 0 | A Riemann client for Haskell | (library, mit, network, program) | 2016-02-19 | 0.1.1.0 | JosephAbrahamson, telser, abailly |
| riff | 4 | 0.0 | 2 | RIFF parser for Haskell | (data, library, mit, program) | 2015-04-24 | 0.3.0.1 | RobertMassaioli |
| rio | 42 | 2.0 | 74 | A standard library for Haskell | (control, library, mit) | 2022-04-25 | 0.1.22.0 | MichaelSnoyman |
| rio-orphans | 9 | 0.0 | 4 | Orphan instances for the RIO type in the rio package | (control, library, mit) | 2021-04-03 | 0.1.2.0 | MichaelSnoyman |
| risk-weaver | 9 | 0.0 | 0 | A DSL for Risk-oriented Object Detection Requirements | (development, library, mit, program) | 2024-03-18 | 0.1.0.2 | junjihashimoto |
| rncryptor | 10 | 0.0 | 2 | Haskell implementation of the RNCryptor file format | (library, mit, network, program) | 2021-04-07 | 0.3.0.2 | AlfredoDiNapoli |
| rob | 6 | 0.0 | 0 | Simple projects generator | (cli, library, mit, program) | 2020-12-21 | 0.0.5 | gianlucaguarini |
| rocksdb-query | 19 | 0.0 | 2 | RocksDB database querying library for Haskell | (database, library, mit) | 2025-05-09 | 0.4.3 | jprupp |
| rollbar | 17 | 2.0 | 1 | error tracking through rollbar.com | (library, logging, mit) | 2021-05-24 | 1.1.3 | GregWeber, SeanLeather, jetaggart, azara, jgt, onslaughtq |
| rollbar-cli | 7 | 0.0 | 0 | Simple CLI tool to perform commons tasks such as tracking deploys. | (library, mit, network, program) | 2024-07-23 | 1.1.0 | jsl, jpvillaisaza, stackbuilders, sestrella, DavidMazarro |
| rollbar-client | 3 | 0.0 | 3 | Core library to communicate with Rollbar API. | (library, mit, network) | 2024-07-23 | 1.1.0 | jsl, jpvillaisaza, stackbuilders, sestrella, DavidMazarro |
| rollbar-wai | 6 | 0.0 | 1 | Provides error reporting capabilities to WAI based applications through Rollbar API. | (library, mit, network) | 2024-07-23 | 1.1.0 | jsl, jpvillaisaza, stackbuilders, sestrella, DavidMazarro |
| rollbar-yesod | 6 | 0.0 | 0 | Provides error reporting capabilities to Yesod applications through Rollbar API. | (library, mit, network) | 2024-07-23 | 1.1.0 | jsl, jpvillaisaza, stackbuilders, sestrella, DavidMazarro |
| roundRobin | 3 | 0.0 | 1 | A simple round-robin data type | (concurrency, library, mit) | 2016-08-07 | 0.1.2.0 | winterland |
| row-types | 19 | 0.0 | 16 | Open Records and Variants | (data, data-structures, library, mit) | 2021-09-10 | 1.0.1.2 | dwincort |
| row-types-aeson | 1 | 0.0 | 0 | aeson instances for Open Records and Variants | (data, data-structures, library, mit) | 2022-07-10 | 1.1.0.0 | dwincort |
| row-types-barbies | 0 | 0.0 | 0 | barbies instances for Open Records and Variants | (data, data-structures, library, mit) | 2021-09-26 | 1.0.0.0 | dwincort |
| rspp | 2 | 0.0 | 1 | A Rational Street Performer Protocol solver | (algorithms, library, mit) | 2015-08-23 | 0.1.0.1 | AlexChapman |
| rtorrent-rpc | 5 | 0.0 | 1 | A library for communicating with RTorrent over its XML-RPC interface. | (library, mit, network) | 2015-03-16 | 0.2.2.0 | KaiLindholm |
| ruby-marshal | 11 | 0.0 | 1 | Parse a subset of Ruby objects serialised with Marshal.dump. | (data, library, mit) | 2022-05-21 | 0.2.1 | AlfredoDiNapoli, ChrisDornan, filib, jack |
| ruby-qq | 2 | 0.0 | 1 | rubyish quasiquoters | (library, mit, system) | 2013-10-22 | 0.1.0.0 | JoelTaylor |
| runtime-instances | 2 | 0.0 | 0 | Look up class instances at runtime. | (library, mit, unclassified) | 2022-09-27 | 1.0 | RichardEisenberg |
| rz-pipe | 0 | 2.0 | 0 | Pipe interface for Rizin | (library, mit, program, reverse-engineering, security) | 2021-01-20 | 0.1.0 | FlorianMaerkl |
| s-expression | 3 | 0.0 | 0 | simple general-purpose s-expressions | (data-, library, mit, program) | 2017-05-01 | 0.0.0 | sboo |
| safe-coloured-text | 6 | 0.0 | 11 | Safely output coloured text | (library, mit, user-interfaces) | 2024-06-23 | 0.3.0.2 | Norfair |
| safe-coloured-text-gen | 4 | 0.0 | 1 | (library, mit, unclassified) | 2024-03-28 | 0.0.0.3 | Norfair | |
| safe-coloured-text-layout | 3 | 0.0 | 3 | Safely layout output coloured text | (library, mit, user-interfaces) | 2024-08-03 | 0.2.0.1 | Norfair |
| safe-coloured-text-layout-gen | 3 | 0.0 | 0 | (library, mit, unclassified) | 2024-08-03 | 0.0.0.1 | Norfair | |
| safe-coloured-text-terminfo | 4 | 0.0 | 4 | Safely output coloured text | (library, mit, user-interfaces) | 2024-06-23 | 0.3.0.0 | Norfair |
| safe-exceptions | 27 | 2.25 | 259 | Safe, consistent, and easy exception handling | (control, library, mit) | 2023-06-26 | 0.1.7.4 | FrancescoMazzoli, MichaelSnoyman |
| safe-foldable | 1 | 0.0 | 1 | Safe wrappers for null-partial Foldable operations | (library, mit, unclassified) | 2018-06-06 | 0.1.0.0 | tejon |
| safe-json | 14 | 2.25 | 0 | Automatic JSON format versioning | (json, library, mit) | 2025-03-02 | 1.2.1.0 | nideco |
| safe-tensor | 4 | 0.0 | 0 | Dependently typed tensor algebra | (library, math, mit) | 2021-02-27 | 0.2.1.1 | nalex |
| safeio | 7 | 0.0 | 2 | Write output to disk atomically | (io, library, mit) | 2023-08-25 | 0.0.6.0 | luispedro |
| safepath | 2 | 0.0 | 1 | Safe Paths in Haskell | (library, mit, system) | 2016-08-14 | 0.1.0.0 | Norfair |
| sajson | 2 | 0.0 | 0 | Fast JSON parsing powered by Chad Austin's sajson library | (json, library, mit, program, text, web) | 2021-09-14 | 0.2.0.0 | kccqzy |
| salak | 51 | 0.0 | 10 | Configuration (re)Loader and Parser. | (configuration, library, mit) | 2020-03-20 | 0.3.6 | leptonyu |
| salak-toml (deprecated) | 49 | 0.0 | 0 | Configuration Loader for toml | (configuration, deprecated, library, mit) | 2019-08-30 | 0.3.5.3 | leptonyu |
| salak-yaml | 39 | 0.0 | 2 | Configuration Loader for yaml | (configuration, library, mit) | 2019-08-29 | 0.3.5.3 | leptonyu |
| saltine | 36 | 2.25 | 9 | Cryptography that's easy to digest (NaCl/libsodium bindings). | (cryptography, library, mit) | 2025-02-23 | 0.2.2.0 | JosephAbrahamson, amx |
| saltine-quickcheck | 3 | 0.0 | 1 | Quickcheck implementations for some NaCl data | (cryptography, library, mit) | 2015-02-07 | 0.1.0.1 | tsuraan |
| salve | 78 | 1.5 | 2 | Semantic version numbers and constraints. | (distribution, library, mit) | 2025-05-22 | 2.0.0.8 | fozworth |
| sampling | 9 | 0.0 | 2 | Sample values from collections. | (library, math, mit) | 2020-07-31 | 0.3.5 | JaredTobin |
| samtools | 41 | 0.0 | 5 | Binding to the C samtools library | (bioinformatics, library, mit) | 2016-05-30 | 0.2.4.3 | NicholasIngolia |
| samtools-conduit | 3 | 0.0 | 1 | Conduit interface to SAM/BAM format files through samtools | (bioinformatics, library, mit, program) | 2014-11-29 | 0.1.1.0 | NicholasIngolia |
| samtools-enumerator | 8 | 0.0 | 1 | Enumerator interface to SamTools library | (bioinformatics, library, mit) | 2012-01-21 | 0.1.2.1 | NicholasIngolia |
| samtools-iteratee | 6 | 0.0 | 1 | Iteratee interface to SamTools library | (bioinformatics, library, mit) | 2014-01-24 | 0.2.2.1 | NicholasIngolia |
| sandman | 5 | 0.0 | 1 | Manages Cabal sandboxes to avoid rebuilding packages. | (development, mit, program) | 2016-05-24 | 0.2.0.1 | abhinav |
| sarif | 2 | 0.0 | 0 | SARIF implementation for Haskell | (data, library, mit) | 2022-12-22 | 0.1 | mbg |
| saturn | 20 | 0.0 | 0 | Handle POSIX cron schedules. | (cron, library, mit) | 2025-07-18 | 1.0.0.9 | fozworth |
| satyros | 12 | 0.0 | 0 | Step-by-step SAT solver for educational purposes | (language, library, mit) | 2021-11-14 | 0.3.1.4 | Ailrun |
| say | 2 | 2.0 | 7 | Send textual messages to a Handle in a thread-friendly way | (library, mit, text) | 2018-08-15 | 0.1.0.1 | MichaelSnoyman |
| sbp | 123 | 0.0 | 1 | SwiftNav's SBP Library | (library, mit, network, program) | 2024-10-22 | 6.2.1 | ljbade, snav_jason, pcswiftnav |
| sc2-proto | 3 | 0.0 | 2 | A protocol buffer model for the Starcraft II bot API | (library, mit, proto) | 2019-02-07 | 0.1.0.2 | spacekitteh |
| scalendar (deprecated) | 4 | 1.75 | 1 | A library for handling calendars and resource availability over time. | (calendar, deprecated, library, mit, time) | 2017-10-03 | 1.2.0 | stackbuilders, sestrella, sebasHack, DavidMazarro |
| scan-metadata (deprecated) | 2 | 0.0 | 0 | Metadata types for Albedo Scanners | (data, deprecated, library, mit) | 2019-05-31 | 0.2.1.0 | arbornetworks |
| scanf | 0 | 0.0 | 1 | Easy and type-safe format strings for parsing and printing | (library, mit, text) | 2018-03-18 | 0.1.0.0 | lyxia |
| sci-ratio | 3 | 0.0 | 1 | Rational numbers in scientific notation. | (library, mit, text) | 2014-12-12 | 0.2.1.0 | Rufflewind |
| scientist | 1 | 0.0 | 1 | A Haskell library for carefully refactoring critical paths. | (library, mit, utils) | 2022-05-20 | 0.0.0.0 | PatrickBrisbin, dukerutledge, mjgpy3, chris_martin, FreckleEngineering, OlaoluwaM |
| scotty-blaze (deprecated) | 2 | 0.0 | 1 | blaze-html integration for Scotty | (deprecated, library, mit, web) | 2013-09-04 | 0.1.3 | WilliamCasarin |
| scotty-fay | 9 | 0.0 | 1 | Fay integration for Scotty. | (development, fay, library, mit, web) | 2013-12-12 | 0.1.1 | hdgarrood |
| scotty-form | 5 | 0.0 | 0 | Html form validation using `ditto` | (library, mit, web) | 2022-08-21 | 0.4.1.0 | goolord |
| scotty-params-parser | 5 | 0.0 | 1 | HTTP-request's query parameters parser abstraction for "scotty" | (library, mit, parser, web) | 2016-06-01 | 0.5.1.1 | NikitaVolkov |
| scotty-path-normalizer | 1 | 2.0 | 1 | Redirect to a normalized path | (library, mit, web) | 2018-10-22 | 0.1.0.0 | chris_martin |
| scotty-view | 2 | 0.0 | 0 | (library, mit, program, web) | 2016-04-14 | 1.0.0 | Philemon | |
| scrapbook | 3 | 0.0 | 0 | collect posts of site that is wrote in config yaml using feed or scraping | (library, mit, program, web) | 2020-12-05 | 0.5.0 | matsubara0507 |
| scrapbook-core | 1 | 0.0 | 1 | Core Package for scrapbook | (library, mit, web) | 2020-12-05 | 0.5.0 | matsubara0507 |
| sdf2p1-parser | 2 | 0.0 | 1 | A parser for SDF version 2.1 using Parsec | (library, mit, text) | 2015-01-29 | 0.1.1 | kojung |
| sdl-try-drivers | 2 | 0.0 | 0 | small testing tool for sdl2 and accelerated drivers | (graphics, mit, program) | 2019-12-01 | 0.0.0.2 | typetetris |
| sdl2-cairo | 8 | 0.0 | 1 | Render with Cairo on SDL textures. | (graphics, library, mit) | 2017-08-13 | 0.2 | apirogov |
| sdl2-cairo-image | 4 | 0.0 | 1 | An image loading and rendering library for sdl2 / sdl2-cairo | (graphics, library, mit) | 2015-11-14 | 1.0.0.2 | jaiyalas |
| sdl2-gfx | 7 | 0.0 | 6 | Haskell bindings to SDL2_gfx | (foreign, graphics, library, mit, program) | 2021-09-15 | 0.3.0.0 | SinisaBidin, locallycompact |
| sdl2-image | 9 | 0.0 | 11 | Haskell bindings to SDL2_image | (foreign, graphics, image, library, mit, program) | 2021-09-15 | 2.1.0.0 | SinisaBidin, cailei, ccll, locallycompact |
| secp256k1-haskell | 38 | 0.0 | 8 | Bindings for secp256k1 | (crypto, library, mit) | 2025-05-09 | 1.4.6 | jprupp |
| secureUDP | 2 | 0.0 | 1 | Setups secure (unsorted) UDP packet transfer. | (library, mit, network) | 2017-01-14 | 0.1.1.3 | autopawn |
| seitz-symbol | 2 | 0.0 | 0 | Read and Display Seitz Symbol | (chemistry, library, mit) | 2020-08-09 | 0.1.0.0 | narumij |
| selda | 51 | 2.5 | 4 | Multi-backend, high-level EDSL for interacting with SQL databases. | (database, library, mit) | 2022-09-18 | 0.5.2.0 | AntonEkblad |
| selda-json | 5 | 0.0 | 2 | JSON support for the Selda database library. | (database, library, mit) | 2022-09-18 | 0.1.1.1 | AntonEkblad |
| selda-postgresql | 27 | 0.0 | 2 | PostgreSQL backend for the Selda database EDSL. | (database, library, mit) | 2022-09-18 | 0.1.8.2 | AntonEkblad |
| selda-sqlite | 48 | 0.0 | 1 | SQLite backend for the Selda database EDSL. | (database, library, mit) | 2022-09-18 | 0.1.7.2 | AntonEkblad |
| select-rpms | 3 | 0.0 | 0 | Select a subset of RPM packages | (distribution, library, mit) | 2025-06-04 | 0.3.0 | JensPetersen |
| selective | 28 | 2.25 | 19 | Selective applicative functors | (control, library, mit) | 2024-04-20 | 0.7.0.1 | snowleopard |
| selenium-server | 2 | 0.0 | 1 | Run the selenium standalone server for usage with webdriver | (library, mit, testing) | 2014-02-12 | 0.1.0.0 | JoelTaylor |
| selfrestart | 2 | 0.0 | 1 | Restarts the current executable (on binary change) | (library, mit, unclassified) | 2014-02-10 | 0.1.0 | NiklasHambuechen, PatrickChilton |
| semantic | 1 | 2.25 | 0 | Framework and service for analyzing and diffing untrusted code. | (language, library, mit) | 2019-06-02 | 0.0.0 | patrick_thomson |
| semantic-source | 21 | 0.0 | 7 | Types and functionality for working with source code | (data, library, mit) | 2024-03-13 | 0.2.0.1 | patrick_thomson, tclem, robrix, dcreager, aymannadeem, joshvera, maxbrunsfeld, rewinfrey |
| semi-iso | 9 | 0.0 | 5 | Weakened partial isomorphisms, reversible computations. | (control, data, library, mit) | 2014-12-12 | 1.0.0.0 | pawel834 |
| semiring-num | 72 | 2.0 | 2 | Basic semiring class and instances | (data, library, mit) | 2019-11-23 | 1.6.0.4 | oisdk |
| semver-range | 14 | 0.0 | 1 | An implementation of semver and semantic version ranges. | (library, mit, unclassified) | 2019-06-24 | 0.2.8 | thinkpad20 |
| sendgrid-haskell | 1 | 0.0 | 1 | Sengrid API | (library, mit, web) | 2015-04-21 | 1.0 | owainlewis |
| sendgrid-v3 | 10 | 0.0 | 1 | Sendgrid v3 API library | (library, mit, network) | 2023-04-25 | 1.0.0.1 | AdityaManthramurthy, PatrickBrisbin, dukerutledge, mjgpy3, chris_martin, marcelbuesing, FreckleEngineering, OlaoluwaM |
| sensei | 29 | 0.0 | 1 | Automatically run Hspec tests on file modifications | (development, library, mit, program) | 2025-04-06 | 0.9.0 | SimonHengel |
| sensenet | 1 | 0.0 | 1 | Distributed sensor network for the raspberry pi | (mit, program, unclassified) | 2014-09-30 | 0.1.0.0 | rossdylan |
| seocheck | 1 | 0.0 | 0 | Check for common SEO mistakes on CI | (library, mit, program, unclassified) | 2022-05-09 | 0.1.0.0 | Norfair |
| seqloc | 43 | 0.0 | 3 | Handle sequence locations for bioinformatics | (bioinformatics, library, mit) | 2015-01-16 | 0.6.1.1 | NicholasIngolia |
| seqloc-datafiles | 16 | 0.0 | 1 | Read and write BED and GTF format genome annotations | (bioinformatics, library, mit, program) | 2015-03-20 | 0.4.2 | NicholasIngolia |
| serf | 1 | 0.0 | 1 | Interact with Serf via Haskell. | (library, mit, system) | 2015-05-21 | 0.1.1.0 | IanDuncan |
| serial-test-generators | 5 | 0.0 | 1 | Test your 'Aeson' 'Serialize' and 'Binary' instances for stability over time | (library, mit, test) | 2014-12-23 | 0.1.3 | scottmurphy09 |
| serialize-instances | 2 | 0.0 | 2 | Instances for Serialize of cereal | (data, library, mit) | 2016-10-28 | 0.1.0.0 | SimonHudon, bandali |
| serokell-util (deprecated) | 107 | 2.5 | 1 | General-purpose functions by Serokell | (deprecated, library, mit, utils) | 2018-08-08 | 0.10.0 | serokell |
| servant-aeson-specs | 24 | 0.0 | 2 | generic tests for aeson serialization in servant | (library, mit, web) | 2018-05-11 | 0.6.2.0 | SoenkeHahn, scottmurphy09, mchaver, scottfleischmanplow |
| servant-combinators | 2 | 0.0 | 0 | Extra servant combinators for full WAI functionality. | (library, mit, web) | 2023-04-21 | 0.0.2 | TheWizardTower |
| servant-docs-simple | 6 | 0.0 | 0 | Generate endpoints overview for Servant API | (library, mit, utility) | 2021-09-21 | 0.4.0.0 | HolmuskTechTeam |
| servant-errors | 32 | 0.0 | 0 | Servant Errors wai-middlware | (library, mit, network, servant) | 2022-04-25 | 0.1.7.0 | epicallan |
| servant-fiat-content (deprecated) | 4 | 0.0 | 0 | Fiat content types | (deprecated, library, mit, servant, web) | 2022-01-08 | 1.0.1 | |
| servant-generic (deprecated in favor of servant) | 8 | 0.0 | 3 | Specify Servant APIs with records. | (deprecated, library, mit, web) | 2018-07-06 | 0.1.0.3 | PatrickChilton |
| servant-github-webhook | 19 | 0.0 | 1 | Servant combinators to facilitate writing GitHub webhooks. | (library, mit, web) | 2019-08-21 | 0.4.2.0 | tsani |
| servant-hmac-auth | 15 | 0.0 | 0 | Servant authentication with HMAC | (cryptography, library, mit, web) | 2024-11-08 | 0.1.8 | vrom911, HolmuskTechTeam |
| servant-kotlin | 16 | 0.0 | 1 | Automatically derive Kotlin class to query servant webservices | (library, mit, web) | 2019-09-04 | 0.1.1.9 | matsubara0507 |
| servant-matrix-param | 15 | 0.0 | 1 | Matrix parameter combinator for servant | (library, mit, web) | 2016-11-03 | 0.3.3 | SoenkeHahn, jkarni |
| servant-options | 2 | 0.0 | 2 | Provide responses to OPTIONS requests for Servant applications. | (library, mit, web) | 2017-04-04 | 0.1.0.0 | LyndonMaydwell |
| servant-pandoc | 14 | 2.0 | 1 | Use Pandoc to render servant API documentation | (library, mit, servant, web) | 2018-01-16 | 0.5.0.0 | IvanMiljenovic, MatthiasFischmann, mpickering, maksbotan, hecate, arianvp |
| servant-pushbullet-client | 11 | 0.0 | 0 | Bindings to the Pushbullet API using servant-client | (library, mit, web) | 2018-02-11 | 0.5.0.0 | tsani |
| servant-rate-limit | 2 | 0.0 | 2 | Rate limiting for Servant | (library, mit, security) | 2022-03-30 | 0.2.0.0 | mbg |
| servant-serf | 20 | 0.0 | 0 | Automatically generate Servant API modules. | (library, mit, program, web) | 2024-01-24 | 0.3.1.6 | fozworth, goolord |
| servant-serialization | 5 | 0.0 | 0 | (library, mit, program, serialization, servant) | 2023-10-30 | 0.3 | plredmond | |
| servant-tracing | 7 | 0.0 | 0 | (library, mit, unclassified) | 2021-12-19 | 0.2.0.0 | ChrisCoffey | |
| servant-typed-error | 1 | 0.0 | 1 | Typed error wrapper for Servant | (library, mit, servant, web) | 2022-11-28 | 0.1.2.0 | sidk |
| serverless-haskell | 78 | 0.0 | 1 | Deploying Haskell code onto AWS Lambda using Serverless | (aws, cloud, library, mit, network) | 2021-04-06 | 0.12.6 | AlexeyKotlyarov, brian_jing |
| serversession | 5 | 0.0 | 6 | Secure, modular server-side sessions. | (library, mit, web) | 2022-07-04 | 1.0.3 | FelipeLessa, GregWeber, MichaelSnoyman, MichaelXavier, ncaq |
| serversession-backend-acid-state | 9 | 0.0 | 1 | Storage backend for serversession using acid-state. | (library, mit, web) | 2022-07-19 | 1.0.5 | FelipeLessa, GregWeber, MichaelSnoyman, MichaelXavier, ncaq |
| serversession-backend-persistent | 10 | 0.0 | 1 | Storage backend for serversession using persistent and an RDBMS. | (library, mit, web) | 2024-09-06 | 2.0.3 | FelipeLessa, GregWeber, MichaelSnoyman, MichaelXavier, ncaq |
| serversession-backend-redis | 12 | 0.0 | 1 | Storage backend for serversession using Redis. | (library, mit, web) | 2022-07-19 | 1.0.5 | FelipeLessa, GregWeber, MichaelSnoyman, MichaelXavier, ncaq |
| serversession-frontend-snap | 2 | 0.0 | 1 | Snap bindings for serversession. | (library, mit, web) | 2017-03-03 | 1.0.1 | FelipeLessa, GregWeber, MichaelSnoyman, MichaelXavier, ncaq |
| serversession-frontend-wai | 2 | 0.0 | 1 | wai-session bindings for serversession. | (library, mit, web) | 2022-07-19 | 1.0.1 | FelipeLessa, GregWeber, MichaelSnoyman, MichaelXavier, ncaq |
| serversession-frontend-yesod | 3 | 0.0 | 1 | Yesod bindings for serversession. | (library, mit, web) | 2022-07-23 | 1.0.1 | FelipeLessa, GregWeber, MichaelSnoyman, MichaelXavier, ncaq |
| servius | 23 | 0.0 | 1 | Warp web server with template rendering | (mit, program, web) | 2018-08-02 | 1.2.3.0 | MichaelSnoyman |
| setenv | 8 | 0.0 | 17 | A cross-platform library for setting environment variables | (library, mit, system) | 2015-01-11 | 0.1.1.3 | SimonHengel |
| setop | 1 | 0.0 | 0 | Perform set operations on files. | (library, mit, program, tools) | 2017-12-31 | 0.1.0.1 | fmind |
| sexpr-parser | 8 | 0.0 | 1 | Simple s-expression parser | (command-line, library, mit, program) | 2022-03-11 | 0.2.2.0 | rcook |
| sha-validation | 4 | 0.0 | 0 | Validation SHA Implementations | (data, library, mit) | 2024-07-06 | 0.1.0.1 | larsk |
| shadowsocks | 9 | 0.0 | 1 | A fast SOCKS5 proxy that help you get through firewalls | (library, mit, program, web) | 2018-04-08 | 1.20180408 | rnons |
| shake-path | 4 | 0.0 | 1 | path alternatives to shake functions | (development, library, mit, shake) | 2018-01-16 | 0.0.0.1 | Norfair |
| shake-plus | 52 | 2.0 | 2 | Re-export of Shake using well-typed paths and ReaderT. | (development, library, mit, shake) | 2021-07-10 | 0.3.4.0 | locallycompact |
| shake-plus-extended | 13 | 0.0 | 1 | Experimental extensions to shake-plus | (development, library, mit, shake) | 2020-09-19 | 0.4.1.0 | locallycompact |
| shakebook | 31 | 0.0 | 0 | Shake-based technical documentation generator; HTML & PDF | (library, mit, web) | 2020-11-05 | 0.13.1.0 | locallycompact |
| shakers | 60 | 0.0 | 0 | Shake helpers. | (development, library, mit) | 2018-10-11 | 0.0.50 | markfine |
| shakespeare | 230 | 2.0 | 87 | A toolkit for making compile-time interpolated templates | (library, mit, web, yesod) | 2025-06-05 | 2.1.4 | GregWeber, MichaelSnoyman, psibi, parsonsmatt |
| shakespeare-css (deprecated in favor of shakespeare) | 47 | 0.0 | 13 | Stick your haskell variables into css at compile time. (deprecated) | (deprecated, library, mit, web, yesod) | 2014-03-30 | 1.1.0 | GregWeber, MichaelSnoyman |
| shakespeare-i18n (deprecated in favor of shakespeare) | 18 | 0.0 | 4 | A type-based approach to internationalization. (deprecated) | (deprecated, library, mit, web, yesod) | 2014-03-30 | 1.1.0 | GregWeber, MichaelSnoyman |
| shakespeare-js (deprecated in favor of shakespeare) | 91 | 0.0 | 21 | Stick your haskell variables into javascript/coffeescript at compile time. (deprecated) | (deprecated, library, mit, web, yesod) | 2014-03-30 | 1.3.0 | GregWeber, MichaelSnoyman |
| shakespeare-text (deprecated in favor of shakespeare) | 28 | 0.0 | 15 | Interpolation with quasi-quotation: put variables strings (deprecated) | (deprecated, library, mit, web, yesod) | 2014-03-30 | 1.1.0 | GregWeber, MichaelSnoyman |
| shannon-fano | 6 | 0.0 | 1 | Shannon-fano compression algorithm in Haskell | (codec, library, mit, program) | 2020-06-02 | 1.0.0.0 | bolt12 |
| shared-memory | 6 | 0.0 | 1 | POSIX shared memory | (library, mit, unclassified) | 2023-03-18 | 0.2.0.1 | NiklasHambuechen |
| sharedio | 1 | 0.0 | 1 | Bundles shared calls to IO functions to perform them only once | (concurrency, library, mit) | 2013-09-18 | 0.1.0 | JohnLato, NiklasHambuechen |
| shellwords | 39 | 0.0 | 2 | Parse strings into words, like a shell would | (library, mit, text) | 2025-02-24 | 0.1.4.3 | PatrickBrisbin |
| shift | 13 | 0.0 | 1 | A tool to quickly switch between directories | (mit, program, tools) | 2020-07-19 | 0.2.1.3 | vmchale |
| shikensu | 21 | 0.0 | 1 | Run a sequence of functions on in-memory representations of files | (filesystem, library, mit) | 2022-01-09 | 0.4.1 | icidasset |
| shimmer | 7 | 0.0 | 1 | The Reflective Lambda Machine | (compilers-interpreters, library, mit, program) | 2019-02-06 | 0.1.3.4 | BenLippmeier |
| shine | 7 | 2.25 | 1 | Declarative graphics for the browser using GHCJS | (graphics, javascript, library, mit, web) | 2020-01-04 | 0.2.0.4 | fgaz |
| shine-examples | 1 | 0.0 | 0 | Examples for the shine package | (game, graphics, javascript, mit, web) | 2020-01-04 | 0.1 | fgaz |
| shine-varying | 2 | 2.0 | 1 | FRP interface for shine using the varying package | (frp, graphics, javascript, library, mit, web) | 2016-04-22 | 0.1.0.0 | fgaz |
| shortbytestring (deprecated in favor of bytestring) | 2 | 2.0 | 0 | Additional ShortByteString API | (deprecated, library, mit, system) | 2021-12-08 | 0.2.1.0 | maerwald |
| show-combinators | 8 | 0.0 | 6 | Combinators to write Show instances | (library, mit, text) | 2020-03-22 | 0.2.0.0 | lyxia |
| shwifty | 3 | 0.0 | 0 | Generate swift types from haskell types. | (codegen, library, mit, templatehaskell, text) | 2020-05-31 | 0.0.3.0 | chessai |
| signal | 7 | 2.0 | 2 | Multiplatform signal support for Haskell | (library, mit, program, system) | 2017-08-09 | 0.1.0.4 | danilo2, PiotrMlodawski, iamrecursion |
| silero-vad | 13 | 0.0 | 0 | Voice activity detection powered by SileroVAD. | (audio, library, mit, sound) | 2024-12-27 | 0.1.0.5 | qwbarch |
| simdutf | 1 | 0.0 | 0 | A Haskell interface to simdutf | (library, mit, unclassified) | 2023-10-24 | 0.1.0 | SimonHengel |
| simfin | 1 | 0.0 | 0 | A library to fetch and parse financial data from the SimFin(+) API. | (finance, library, mit, program, web) | 2022-05-21 | 1.0.0 | 414owen |
| simple-logger | 7 | 0.0 | 3 | A very simple but efficient logging framework | (library, logging, mit) | 2020-12-13 | 0.1.1 | AlexanderThiemann |
| simple-logging | 11 | 0.0 | 1 | Logging effect to plug into the simple-effects framework | (library, logging, mit) | 2018-10-15 | 0.2.0.5 | darwin226 |
| simple-media-timestamp | 2 | 0.0 | 7 | A very simple timestamp type. | (library, media, mit) | 2022-08-24 | 0.2.1.0 | locallycompact |
| simple-media-timestamp-attoparsec | 2 | 0.0 | 1 | Attoparsec parser for simple-media-timestamp. | (library, media, mit) | 2021-07-18 | 0.1.0.0 | locallycompact |
| simple-media-timestamp-formatting | 2 | 0.0 | 3 | Formatting for simple-media-timestamp | (library, media, mit) | 2021-07-25 | 0.1.1.0 | locallycompact |
| simple-nix | 5 | 0.0 | 2 | Simple parsing/pretty printing for Nix expressions | (library, mit, nix) | 2015-06-23 | 0.1.0.4 | thinkpad20 |
| simple-tabular | 1 | 0.0 | 2 | Simple tabular-text formatter | (library, mit, text) | 2012-12-13 | 0.1.0.0 | BartonMassey |
| simple-units | 5 | 0.0 | 0 | Simple arithmetic with SI units using type-checked dimensional analysis. | (library, mit, numeric, numerical) | 2021-02-27 | 1.0.2 | groscoe |
| singleraeh | 4 | 0.0 | 2 | raehik's singletons | (data, library, mit, types) | 2024-06-01 | 0.4.0 | raehik |
| sink (deprecated) | 3 | 0.0 | 1 | An alternative to lazy I/O that doesn't conflate execution with evaluation | (control, data, deprecated, library, mit, system) | 2011-08-27 | 0.1.0.1 | JakeMcArthur |
| siren-json | 14 | 0.0 | 1 | Siren Tools for Haskell | (data, library, mit) | 2019-02-18 | 0.3.1.1 | alunduil |
| sixty-five-oh-two | 4 | 0.0 | 1 | An eDSL for writing 65(C)02 bytecode. | (dsl, library, mit) | 2018-05-31 | 1.2.0.0 | aearnus |
| sized-grid | 16 | 2.0 | 1 | Multidimensional grids with sized specified at compile time | (data, library, mit) | 2019-09-13 | 0.2.0.1 | edwardwas |
| sjsp | 1 | 0.0 | 1 | Simple JavaScript Profiler | (compiler, mit, program) | 2015-07-05 | 0.1.0 | itchyny |
| skeleton | 1 | 0.0 | 1 | a tool to access the OSX keychain | (mit, program, utility) | 2015-07-07 | 0.1.0.0 | rnhmjoj |
| skeletons | 2 | 0.0 | 1 | Manage project skeletons | (development, mit, program) | 2015-09-08 | 0.4.0 | WilliamCasarin |
| skemmtun | 1 | 0.0 | 1 | A MyAnimeList.net client. | (mit, program, web) | 2015-12-05 | 0.1.0.0 | nyorem |
| skip-list | 2 | 0.0 | 1 | An implementation of pure skip lists | (data, library, mit) | 2017-07-22 | 0.1.0.1 | gmalecha |
| skip-var | 1 | 2.0 | 0 | Skip variables | (concurrency, library, mit) | 2018-12-24 | 0.1.1.0 | dtaskoff |
| skopedate | 2 | 0.0 | 0 | Check dates of container images | (mit, program, utility) | 2023-08-11 | 0.1 | JensPetersen |
| skulk | 5 | 0.0 | 1 | Eclectic collection of utility functions | (control, library, mit) | 2016-06-05 | 0.1.3.0 | geekyfox |
| skylighting-extensions (deprecated) | 1 | 0.0 | 1 | Customized Skylighting syntax highlighters | (deprecated, library, mit, text) | 2019-02-08 | 1.0.0.0 | chris_martin, Monoid_Mary |
| skylighting-modding (deprecated) | 1 | 0.0 | 2 | Utilities for modifying Skylighting syntaxes | (deprecated, library, mit, text) | 2019-02-08 | 1.0.0.0 | chris_martin, Monoid_Mary |
| skype4hs | 1 | 0.0 | 1 | Skype Desktop API binding for Haskell | (library, mit, network) | 2014-04-01 | 0.0.0.0 | emonkak |
| slack | 1 | 0.0 | 1 | Haskell API for interacting with Slack | (library, mit, network) | 2014-12-29 | 0.1.0.0 | dhrosa |
| slack-api | 18 | 2.5 | 1 | Bindings to the Slack RTM API. | (library, mit, program, web) | 2017-03-02 | 0.12 | mpickering, asayers, rickeyski |
| slack-notify-haskell | 11 | 0.0 | 1 | Slack notifier for Haskell project. | (library, mit, program, web) | 2015-02-26 | 0.2.3 | tattsun |
| slack-progressbar | 1 | 0.0 | 0 | (library, mit, program, unclassified) | 2020-07-17 | 0.1.0.1 | thomasjm | |
| slack-verify | 1 | 2.0 | 0 | Slack API Request Verification HMAC | (library, mit, web) | 2018-12-22 | 0.1.0.0 | kkweon |
| slack-web | 30 | 0.0 | 1 | Bindings for the Slack web API | (library, mit, web) | 2025-03-24 | 2.2.0.0 | igrep, EmmanuelTouzery, parsonsmatt, jade, becca |
| slate | 18 | 0.0 | 0 | A note taking CLI tool. | (library, mit, program, unclassified) | 2019-05-10 | 0.13.1.0 | evuez |
| slave-thread | 50 | 2.0 | 5 | A fundamental solution to ghost threads and silent exceptions | (concurrency, concurrent, error-handling, exceptions, failure, library, mit) | 2023-10-17 | 1.1.0.3 | NikitaVolkov |
| slim | 0 | 0.0 | 1 | Functional reactive user interface programming | (gui, library, mit) | 2016-08-30 | 0.0.1 | jvdp |
| slot-lambda | 8 | 0.0 | 1 | Write lambdas without naming the parameters. | (language, library, mit) | 2014-04-08 | 0.1.0.3 | ducis |
| smh | 2 | 0.0 | 0 | String manipulation tool written in haskell | (cli-tool, library, mit, program) | 2024-03-15 | 0.2.1 | danirybe |
| smtlib-backends | 1 | 2.0 | 5 | Low-level functions for SMT-LIB-based interaction with SMT solvers. | (library, mit, smt) | 2024-05-28 | 0.4 | FacundoDominguez |
| smtlib-backends-process | 3 | 2.0 | 2 | An SMT-LIB backend running solvers as external processes. | (library, mit, smt) | 2023-02-06 | 0.3 | FacundoDominguez |
| smtlib-backends-tests | 2 | 2.0 | 0 | Testing SMT-LIB backends. | (library, mit, smt, testing) | 2023-02-06 | 0.3 | FacundoDominguez, qaristote |
| smtlib-backends-z3 | 6 | 2.0 | 1 | An SMT-LIB backend implemented using Z3's C API. | (library, mit, smt) | 2024-01-29 | 0.3.1 | FacundoDominguez |
| snail | 4 | 0.0 | 0 | A programming language with no semantics | (library, mit, parsing) | 2023-09-01 | 0.1.2.1 | chiroptical |
| snake | 2 | 0.0 | 1 | A basic console snake game. | (game, mit, program) | 2016-05-30 | 0.1.0.0 | alaminium |
| snap-accept | 3 | 0.0 | 2 | Accept header branching for the Snap web framework | (library, mit, web) | 2017-06-26 | 0.2.1 | TimothyJones |
| snap-routes | 3 | 0.0 | 1 | Typesafe URLs for Snap applications. | (library, mit, network) | 2016-05-16 | 0.0.1 | AnupamJain |
| snaplet-css-min | 4 | 0.0 | 1 | A Snaplet for CSS minification | (library, mit, web) | 2014-03-17 | 0.1.2 | TimothyJones |
| snaplet-hasql | 11 | 0.0 | 1 | A Hasql snaplet | (library, mit, web) | 2015-06-25 | 1.0.2 | MikeLedger |
| snaplet-purescript | 10 | 0.0 | 1 | Automatic (re)compilation of purescript projects | (library, mit, web) | 2021-04-09 | 0.6.0.0 | AlfredoDiNapoli, MikolajKonarski |
| snaplet-rest | 3 | 0.0 | 1 | REST resources for the Snap web framework | (library, mit, web) | 2013-10-20 | 0.1.0 | TimothyJones |
| snaplet-riak | 9 | 0.0 | 1 | A Snaplet for the Riak database | (database, library, mit) | 2017-11-10 | 0.2.1.1 | PaulWilson, lambda_foo |
| snappy-conduit | 1 | 0.0 | 1 | Conduit bindings for Snappy (see snappy package) | (codec, library, mit) | 2015-02-10 | 0.1.0.0 | toru_tomita |
| snelstart-import | 3 | 0.0 | 0 | Import to snelstart. | (finance-, library, mit, program) | 2025-03-18 | 1.1.0 | Jappie |
| snipcheck | 5 | 0.0 | 1 | Markdown tester | (development, library, mit) | 2018-10-14 | 0.1.0.3 | nmattia |
| snowtify | 4 | 0.0 | 1 | snowtify send your result of `stack build` (`stack test`) to notify-daemon :dog2: | (mit, program, simple) | 2017-07-28 | 0.1.0.3 | aiya000 |
| soap | 34 | 1.75 | 3 | SOAP client tools | (library, mit, web) | 2018-03-16 | 0.2.3.6 | AlexanderBondarenko |
| soap-openssl | 3 | 0.0 | 1 | TLS-enabled SOAP transport (using openssl bindings) | (library, mit, web) | 2015-03-25 | 0.1.0.2 | AlexanderBondarenko |
| soap-tls | 7 | 0.0 | 1 | TLS-enabled SOAP transport (using tls package) | (library, mit, web) | 2018-03-16 | 0.1.1.4 | AlexanderBondarenko |
| socket | 47 | 2.0 | 8 | An extensible socket library. | (library, mit, network, system) | 2020-06-29 | 0.8.3.0 | LarsPetersen |
| socket-sctp | 5 | 0.0 | 1 | STCP socket extensions library. | (library, mit, network, socket, system) | 2016-11-26 | 0.3.0.0 | LarsPetersen, shlevy |
| socket-unix | 10 | 0.0 | 2 | Unix domain sockets | (library, mit, network, system) | 2025-03-20 | 0.2.1.0 | VyacheslavHashov, flip101 |
| socketed | 2 | 0.0 | 0 | simpe tool to serve piped data over http and websocket | (library, mit, program, web) | 2017-04-13 | 0.1.0.0 | sencenan |
| socketio | 6 | 0.0 | 1 | Socket.IO server | (library, mit, web) | 2014-05-14 | 0.1.3 | TingYenLai |
| socketson | 1 | 0.0 | 0 | A small websocket backend provider. | (library, mit, network, program) | 2016-02-22 | 0.1.0.0 | apho |
| solar | 2 | 0.0 | 0 | Simple library for solar calculations | (astronomy, library, mit) | 2019-04-27 | 0.1.0.0 | tsahyt |
| solga | 4 | 0.0 | 1 | Simple typesafe web routing | (library, mit, web) | 2016-11-07 | 0.1.0.2 | PatrickChilton |
| solga-swagger | 7 | 0.0 | 1 | Swagger generation for Solga | (library, mit, web) | 2016-11-07 | 0.1.0.2 | PatrickChilton |
| solr | 7 | 0.0 | 1 | A minimal Solr client library | (library, mit, unclassified) | 2017-07-01 | 0.4.3 | NikitaVolkov |
| solve | 7 | 0.0 | 1 | Solving simple games | (game, library, mit, program) | 2018-12-03 | 1.3 | JoeHurd |
| sorted | 1 | 0.0 | 1 | Efficient, type-safe sorted sequences | (data, library, mit) | 2013-11-15 | 0.0.1 | JosephAbrahamson |
| sorted-list | 21 | 0.0 | 12 | Type-enforced sorted lists and related functions. | (data, library, mit) | 2025-03-25 | 0.3.1.0 | DanielDiaz |
| souffle-dsl | 3 | 0.0 | 0 | Haskell EDSL for Souffle | (dsl, library, logic-programming, mit) | 2021-04-11 | 0.1.0 | luc_tielen |
| souffle-haskell | 22 | 0.0 | 1 | Souffle Datalog bindings for Haskell | (bindings, foreign-binding, library, logic-programming, mit) | 2024-01-03 | 4.0.0 | luc_tielen |
| sound-change | 2 | 0.0 | 0 | Apply sound changes to words | (language, library, linguistics, mit) | 2023-10-14 | 0.1.0.0 | OwenBechtel |
| soyuz | 3 | 0.0 | 1 | DCPU-16 architecture utilities for Notch's 0x10c game. | (compilers-interpreters, library, mit, program) | 2012-04-10 | 0.0.0 | AlexKropivny |
| spars | 1 | 0.0 | 0 | A sparse set-based parsing library for Haskell. | (library, mit, text) | 2020-08-26 | 0.1.0.0 | anselmschueler |
| sparse-tensor | 21 | 0.0 | 0 | typesafe tensor algebra library | (algebra, data, library, math, mit) | 2021-02-27 | 0.2.1.5 | nalex, TobiReinhart |
| special-values | 3 | 0.0 | 1 | Typeclass providing special values | (library, mit, testing) | 2017-11-09 | 0.1.0.0 | minad |
| speedy-slice | 22 | 0.0 | 1 | Speedy slice sampling. | (library, math, mit) | 2021-02-21 | 0.3.2 | JaredTobin |
| sphinxesc | 3 | 0.0 | 0 | Transform queries for sphinx input | (library, mit, program, text) | 2017-03-23 | 0.1.0.1 | mackeyrms |
| spice | 15 | 0.0 | 1 | An FRP-based game engine written in Haskell. | (frp, library, mit) | 2014-09-05 | 0.5.0.0 | Crockeo |
| spir-v | 5 | 0.0 | 1 | Some utilities for reading and writing SPIR-V files | (language, library, mit) | 2016-02-16 | 0.0.1.0 | jophish, expipiplus1 |
| split-channel | 24 | 0.0 | 1 | Control.Concurrent.Chan split into sending and receiving halves. | (concurrency, library, mit) | 2013-03-17 | 0.2.0.1 | LeonSmith |
| splitter | 1 | 0.0 | 1 | Use numerical ranges to split out certain lines from a file. | (mit, program, text) | 2013-07-01 | 0.1.0.0 | RobertMassaioli |
| sproxy (deprecated in favor of sproxy2) | 8 | 0.0 | 1 | HTTP proxy for authenticating users via OAuth2 | (deprecated, mit, program, web) | 2016-11-20 | 0.9.9 | ip1981 |
| sproxy-web | 7 | 0.0 | 1 | Web interface to sproxy database | (mit, program, web) | 2016-06-18 | 0.4.1 | ip1981 |
| sproxy2 | 16 | 0.0 | 1 | Secure HTTP proxy for authenticating users via OAuth2 | (databases, mit, program, web) | 2019-09-06 | 1.97.1 | ip1981 |
| spsa | 3 | 0.0 | 1 | Simultaneous Perturbation Stochastic Approximation Optimization Algorithm | (library, math, mit, optimization) | 2014-01-20 | 0.2.0.0 | yanatan16 |
| sqids | 12 | 0.0 | 0 | A small library that lets you generate YouTube-looking IDs from numbers. | (library, mit, web) | 2024-03-08 | 0.2.2.0 | arbelos |
| sql-simple | 6 | 0.0 | 5 | common middle-level sql client. | (database, library, mit) | 2014-07-10 | 0.3.1 | HirotomoMoriwaki |
| sql-simple-mysql | 9 | 0.0 | 1 | mysql backend for sql-simple | (database, library, mit) | 2014-07-10 | 0.3.0 | HirotomoMoriwaki |
| sql-simple-pool | 1 | 0.0 | 1 | conection pool for sql-simple | (database, library, mit) | 2014-07-10 | 0.3.0 | HirotomoMoriwaki |
| sql-simple-postgresql | 5 | 0.0 | 1 | postgresql backend for sql-simple | (database, library, mit) | 2014-07-10 | 0.3.0 | HirotomoMoriwaki |
| sql-simple-sqlite | 6 | 0.0 | 1 | sqlite backend for sql-simple | (database, library, mit) | 2014-07-10 | 0.3.0 | HirotomoMoriwaki |
| squeal-postgresql-qq | 10 | 0.0 | 0 | QuasiQuoter transforming raw sql into Squeal expressions. | (library, mit, unclassified) | 2025-07-19 | 0.1.1.1 | rickowens |
| srt | 6 | 0.0 | 3 | The data type for SRT files. | (library, media, mit) | 2022-08-24 | 0.1.2.0 | locallycompact |
| srt-attoparsec | 0 | 0.0 | 1 | Attoparsec parser for the SRT format. | (library, media, mit) | 2021-07-18 | 0.1.0.0 | locallycompact |
| srt-dhall | 0 | 0.0 | 0 | Dhall Encoder/Decoder for SRT. | (library, media, mit) | 2021-07-25 | 0.1.0.0 | locallycompact |
| srt-formatting | 0 | 0.0 | 1 | Format an SRT. | (library, media, mit) | 2021-07-25 | 0.1.0.0 | locallycompact |
| sshd-lint | 2 | 0.0 | 1 | Check sshd configuration for adherence to best practices | (mit, program, system) | 2015-02-03 | 0.1.0.1 | jsl, stackbuilders |
| ssv | 13 | 0.0 | 1 | Comma-separated-value (CSV) read, show and write routines | (library, mit, program, text) | 2014-09-15 | 0.3 | BartonMassey |
| stable-heap | 4 | 0.0 | 1 | Purely functional stable heaps (fair priority queues) | (data-structures, library, mit) | 2023-08-13 | 0.2.1.0 | JakeMcArthur |
| stable-memo | 29 | 0.0 | 1 | Memoization based on argument identity | (data, library, mit) | 2023-08-14 | 0.4.0 | JakeMcArthur |
| stache | 29 | 2.0 | 7 | Mustache templates for Haskell | (library, mit, program, text) | 2023-06-23 | 2.3.4 | jsl, stackbuilders, sestrella, mrkkrp, felixminom |
| stack-bump | 1 | 0.0 | 1 | Dead simple version bumping for hpack packages | (development, mit, program) | 2017-07-13 | 0.7.1.0 | yamadapc |
| stack-run | 21 | 1.75 | 1 | An equivalent to cabal run for stack. | (development, mit, program) | 2017-05-12 | 0.1.1.4 | yamadapc |
| stack-run-auto | 9 | 0.0 | 0 | Initial project template from stack | (development, library, mit, program) | 2016-06-07 | 0.1.1.4 | yamadapc |
| stack-tag | 0 | 0.0 | 0 | Create etags for Haskell projects based on Stack snapshots | (library, mit, program, unclassified) | 2018-09-15 | 0.2.0 | ChristopherReichert |
| stack-type | 1 | 0.0 | 1 | The basic stack type | (library, mit, simple) | 2017-01-13 | 0.1.0.0 | aiya000 |
| stack-yaml | 2 | 0.0 | 1 | Parse a stack.yaml file | (development, distribution, library, mit) | 2017-12-08 | 0.1.0.0 | phlummox |
| stack2nix | 13 | 0.0 | 0 | Convert stack.yaml files into Nix build instructions. | (distribution, library, mit, nix, program) | 2019-04-29 | 0.2.3 | domenkozar, iohk_devops |
| stackage | 47 | 0.0 | 1 | Dummy package forcing installation of other Stackage packages | (development, library, mit) | 2015-05-06 | 0.7.3.2 | ChrisDone, DanBurton, MichaelSnoyman |
| stackage-build-plan (deprecated in favor of stackage-curator) | 2 | 0.0 | 1 | Calculate and print (in different formats) Stackage build plans | (deprecated, distribution, library, mit, program) | 2015-05-10 | 0.1.1.0 | MichaelSnoyman |
| stackage-cabal (deprecated in favor of stack) | 7 | 0.0 | 1 | A CLI executable for cabal-based stackage commands | (deprecated, development, library, mit, program) | 2015-05-06 | 0.1.1 | DanBurton |
| stackage-cli (deprecated in favor of stack) | 19 | 0.0 | 1 | A CLI library for stackage commands | (deprecated, development, library, mit, program) | 2015-05-06 | 0.1.0.2 | ChrisDone, DanBurton, MichaelSnoyman |
| stackage-curator | 67 | 0.0 | 2 | Tools for curating Stackage bundles | (distribution, library, mit, program) | 2018-03-11 | 0.16.0.0 | MichaelSnoyman |
| stackage-install | 9 | 0.0 | 2 | Secure download of packages for cabal-install | (distribution, library, mit, program) | 2016-07-18 | 0.1.2 | MichaelSnoyman |
| stackage-metadata (deprecated) | 4 | 0.0 | 1 | DEPRECATED Grab current metadata for all packages | (deprecated, distribution, library, mit, program) | 2015-05-14 | 0.3.0.0 | MichaelSnoyman |
| stackage-query | 14 | 1.75 | 1 | Tool for querying Stackage | (distribution, mit, program) | 2019-05-07 | 0.2.0 | JensPetersen |
| stackage-sandbox (deprecated in favor of stack) | 25 | 0.0 | 1 | Work with shared stackage sandboxes | (deprecated, development, library, mit, program) | 2015-09-01 | 0.1.6 | ChrisDone, DanBurton, MichaelSnoyman, borsboom |
| stackage-setup (deprecated in favor of stack) | 8 | 0.0 | 1 | An executable for downloading a Haskell setup | (deprecated, development, library, mit, program) | 2015-05-14 | 0.0.2 | DanBurton |
| stackage-types (deprecated in favor of stackage-curator) | 11 | 0.0 | 3 | Shared data types between various Stackage packages | (data, deprecated, library, mit) | 2016-01-20 | 1.2.0 | MichaelSnoyman |
| stackage-update | 21 | 0.0 | 2 | Update your package index incrementally (requires git) | (distribution, library, mit, program) | 2015-05-12 | 0.1.2 | ChrisDone, MichaelSnoyman |
| stackage-upload (deprecated in favor of stack) | 8 | 0.0 | 1 | A more secure version of cabal upload which uses HTTPS | (deprecated, distribution, library, mit, program) | 2016-09-06 | 0.1.0.6 | MichaelSnoyman, lehins |
| stackctl | 42 | 0.0 | 0 | (library, mit, program, unclassified) | 2025-07-03 | 1.7.3.5 | PatrickBrisbin, dukerutledge, mjgpy3, chris_martin, FreckleEngineering, OlaoluwaM | |
| standalone-derive-topdown | 2 | 2.0 | 1 | This package will derive class instance along the data type declaration tree. (Deprecated) | (development, library, mit) | 2020-02-09 | 0.0.0.2 | songzh |
| standalone-haddock | 23 | 0.0 | 1 | Generate standalone haddock documentation for a set of packages | (distribution, mit, program) | 2019-11-09 | 1.4.0.0 | KarlVoelker, RomanCheplyaka |
| state-codes | 6 | 0.0 | 1 | ISO 3166-2:US state codes and i18n names | (data, library, mit) | 2017-10-17 | 0.1.3 | acamino |
| static-ls | 4 | 0.0 | 0 | See README on Github for more information | (development, library, mit, program) | 2024-02-04 | 0.1.2 | suzzr0 |
| statistics-hypergeometric-genvar | 2 | 0.0 | 1 | Random variate generation from hypergeometric distributions | (library, math, mit, statistics) | 2015-03-26 | 0.1.0.0 | srijs |
| statistics-linreg | 9 | 2.0 | 2 | Linear regression between two samples, based on the 'statistics' package. | (library, math, mit, statistics) | 2014-08-22 | 0.3 | AlpMestanogullari |
| statsd-client | 16 | 0.0 | 1 | Statsd UDP client | (library, mit, network) | 2016-09-09 | 0.3.0.0 | keith_duncan, tclem |
| statsd-datadog | 1 | 0.0 | 1 | DataDog-flavored StatsD client. | (library, mit, network) | 2015-01-24 | 0.2.0.0 | AlexanderBondarenko |
| statsdi | 3 | 0.0 | 1 | A lovely [Dog]StatsD implementation | (library, metrics, mit) | 2018-10-25 | 0.2.0.0 | iostat |
| steambrowser | 1 | 0.0 | 1 | List and launch steam games from the cli | (game, mit, program) | 2014-12-18 | 0.1.0.0 | hunteriam |
| stemmer-german | 10 | 1.5 | 1 | Extract the stem of a German inflected word form. | (library, mit, nlp) | 2017-09-30 | 0.1.1.1 | implementation |
| stm-actor | 16 | 0.0 | 0 | A simplistic actor model based on STM | (control, library, mit) | 2025-03-04 | 0.3.1.1 | tonicebrian, sgschlesinger |
| stm-containers | 107 | 2.0 | 32 | Containers for STM | (concurrency, data-structures, library, mit, stm) | 2025-02-02 | 1.2.1.1 | NikitaVolkov |
| stm-hamt | 29 | 0.0 | 1 | STM-specialised Hash Array Mapped Trie | (concurrency, data-structures, library, mit, stm) | 2025-02-13 | 1.2.1.1 | NikitaVolkov |
| stm-incremental | 6 | 0.0 | 0 | A library for constructing incremental computations | (concurrency, control, library, mit) | 2023-02-02 | 0.1.1.0 | sgschlesinger |
| stm-queue | 7 | 0.0 | 1 | An implementation of a real-time concurrent queue | (data, library, mit) | 2023-01-17 | 0.2.0.0 | sgschlesinger |
| stooq-api | 7 | 0.0 | 0 | A simple wrapper around stooq.pl API for downloading market data. | (library, mit, web) | 2023-02-04 | 0.4.2.0 | alojzyleszcz |
| store | 113 | 0.0 | 27 | Fast binary serialization | (data, library, mit, serialization) | 2024-12-21 | 0.7.20 | MichaelSloan, MichaelSnoyman, borsboom, fpcomplete, philipp |
| store-core | 24 | 0.0 | 6 | Fast and lightweight binary serialization | (data, library, mit, serialization) | 2024-02-16 | 0.4.4.7 | MichaelSloan, MichaelSnoyman, borsboom, fpcomplete, philipp |
| store-streaming | 9 | 0.0 | 1 | Streaming interfaces for `store` | (data, library, mit, serialization) | 2023-10-06 | 0.2.0.5 | MichaelSloan |
| str | 2 | 0.0 | 1 | A type class to abstract between many different string types. | (library, mit, text) | 2014-07-16 | 0.1.0.0 | thinkpad20 |
| stratosphere | 279 | 2.25 | 2 | EDSL for AWS CloudFormation | (aws, cloud, library, mit) | 2022-07-05 | 0.60.0 | jdreaver, mbj |
| stream | 1 | 0.0 | 1 | Initial project template from stack | (data, library, mit) | 2016-04-20 | 0.1.0.0 | MichaelSnoyman |
| streaming-benchmarks | 4 | 0.0 | 1 | Measures and compares the performance of streaming libraries | (benchmark, mit, streaming, streamly) | 2021-07-03 | 0.3.0 | harendra |
| streaming-bracketed | 4 | 0.0 | 1 | A resource management decorator for "streaming". | (data, library, mit, streaming) | 2020-06-15 | 0.1.1.0 | DanielDiazCarrete |
| streaming-cassava | 5 | 0.0 | 5 | Cassava support for the streaming ecosystem | (data, library, mit, streaming) | 2021-02-28 | 0.2.0.0 | IvanMiljenovic, OliverCharles |
| streaming-commons | 80 | 2.0 | 65 | Common lower-level functions needed by various streaming data libraries | (data, library, mit) | 2025-01-19 | 0.2.3.0 | MichaelSnoyman |
| streaming-concurrency | 8 | 0.0 | 1 | Concurrency support for the streaming ecosystem | (data, library, mit, streaming) | 2019-05-13 | 0.3.1.3 | IvanMiljenovic, OliverCharles |
| streaming-conduit | 8 | 0.0 | 3 | Bidirectional support between the streaming and conduit libraries | (data, library, mit, streaming) | 2023-05-13 | 0.1.3.0 | IvanMiljenovic, OliverCharles |
| streaming-process | 1 | 0.0 | 1 | Streaming support for running system process | (data, library, mit, streaming) | 2018-05-23 | 0.1.0.0 | IvanMiljenovic |
| streaming-sort | 4 | 0.0 | 1 | Sorting streams | (data, library, mit, streaming) | 2018-03-23 | 0.1.0.2 | IvanMiljenovic |
| streaming-wai | 4 | 0.0 | 3 | Streaming Wai utilities | (library, mit, web) | 2015-11-30 | 0.1.1 | WilliamCasarin |
| streaming-with | 17 | 0.0 | 8 | with/bracket-style idioms for use with streaming | (data, library, mit, streaming) | 2021-08-29 | 0.3.0.0 | IvanMiljenovic, OliverCharles |
| strelka (deprecated) | 14 | 0.0 | 2 | A simple, flexible and composable web-router | (deprecated, library, mit, web) | 2019-04-24 | 2.0.5 | NikitaVolkov |
| strelka-core | 9 | 0.0 | 2 | Core components of "strelka" | (library, mit, unclassified) | 2019-12-16 | 0.3.1 | NikitaVolkov |
| strelka-wai | 9 | 0.0 | 1 | WAI compatibility layer for "strelka" | (library, mit, unclassified) | 2018-03-15 | 1.0.1.1 | NikitaVolkov |
| strict-impl-params | 2 | 0.0 | 0 | Plugin for making top-level implicit parameters strict | (development, library, mit) | 2022-11-18 | 1.0.0 | AndrasKovacs |
| strict-list | 16 | 0.0 | 2 | Strict linked list | (data, library, mit) | 2025-02-02 | 0.1.7.6 | NikitaVolkov |
| strict-wrapper | 8 | 2.0 | 0 | Lightweight strict types | (data, library, mit) | 2025-07-16 | 0.0.2.0 | tomjaguarpaw |
| strict-writer (deprecated in favor of writer-cps-mtl) | 13 | 0.0 | 1 | A stricter writer, which uses StateT in order to avoid space leaks. | (control, deprecated, library, mit) | 2017-02-10 | 0.4.0.0 | oisdk |
| string-interpreter | 33 | 0.0 | 2 | Is used in the phonetic languages approach (e. g. in the recursive mode). | (Ukrainian, language, library, mit, phonetic-languages) | 2023-01-30 | 0.8.0.0 | OleksandrZhabenko |
| string-transform | 7 | 0.0 | 2 | simple and easy haskell string transform wrapper | (library, mit, text) | 2019-07-02 | 1.1.1 | ncaq |
| string-variants | 23 | 2.0 | 1 | Constrained text newtypes | (data, library, mit) | 2024-11-01 | 0.3.1.1 | BorisLykah, parsonsmatt, danielbrice, jade |
| stringable (deprecated) | 19 | 0.0 | 14 | A Stringable type class, in the spirit of Foldable and Traversable | (bytestring, data, deprecated, library, mit, text) | 2014-05-02 | 0.1.3 | JohnWiegley, KetilMalde |
| stringbuilder | 14 | 0.0 | 1 | A writer monad for multi-line string literals | (library, mit, testing) | 2018-02-08 | 0.5.1 | SimonHengel |
| stringlike | 0 | 0.0 | 1 | Transformations to several string-like types | (library, mit, text) | 2013-03-21 | 0.0.0 | FedorGogolev |
| strings | 2 | 0.0 | 7 | Functions for working with strings, including Text, ByteString, etc. | (library, mit, string, text, utility) | 2013-05-26 | 1.1 | JulianFleischer |
| strip-ansi | 7 | 0.0 | 0 | Strip ANSI escape codes from strings | (library, mit, text) | 2025-07-16 | 0.0.1 | SimonHengel |
| stripe-concepts | 25 | 2.0 | 3 | Types for the Stripe API | (library, mit, web) | 2025-01-26 | 1.0.3.4 | chris_martin, Monoid_Mary |
| stripe-core | 58 | 0.0 | 4 | Stripe API for Haskell - Pure Core | (library, mit, web) | 2020-09-02 | 2.6.2 | DavidJohnson |
| stripe-haskell | 44 | 2.25 | 1 | Stripe API for Haskell | (library, mit, web) | 2020-09-02 | 2.6.2 | DavidJohnson |
| stripe-http-client | 7 | 0.0 | 1 | Stripe API for Haskell - http-client backend | (library, mit, web) | 2020-09-02 | 2.6.2 | DavidJohnson |
| stripe-http-streams (deprecated in favor of stripe-http-client) | 18 | 0.0 | 2 | Stripe API for Haskell - http-streams backend | (deprecated, library, mit, web) | 2018-11-14 | 2.4.1 | DavidJohnson |
| stripe-scotty | 25 | 2.0 | 0 | Listen for Stripe webhook events with Scotty | (library, mit, web) | 2023-06-27 | 1.1.0.4 | chris_martin, Monoid_Mary |
| stripe-signature | 23 | 2.0 | 1 | Verification of Stripe webhook signatures | (library, mit, web) | 2025-01-26 | 1.0.0.17 | chris_martin, Monoid_Mary |
| stripe-tests | 29 | 0.0 | 1 | Tests for Stripe API bindings for Haskell | (library, mit, web) | 2020-09-02 | 2.6.2 | DavidJohnson |
| stripe-wreq | 27 | 2.0 | 0 | Use the Stripe API via Wreq | (library, mit, web) | 2025-01-26 | 1.0.1.17 | chris_martin, Monoid_Mary |
| stripeapi | 12 | 2.0 | 0 | Stripe-Library | (library, mit, psp) | 2022-06-26 | 3.0.0.0 | remo_doerig, joel_fisch |
| strive | 70 | 0.0 | 1 | A client for the Strava V3 API. | (api, library, mit) | 2025-05-22 | 6.0.0.17 | taylorfausak, fozworth |
| strong-path | 18 | 2.0 | 0 | Strongly typed paths in Haskell. | (filepath, filesystem, library, mit, system) | 2022-03-17 | 1.1.4.0 | Martinsos |
| strongweak | 26 | 0.0 | 3 | Convert between strong and weak representations of types | (data, library, mit) | 2025-03-29 | 0.12.0 | raehik |
| stt | 3 | 0.0 | 1 | A monad transformer version of the ST monad | (control, library, mit) | 2016-11-06 | 0.2.1 | mckeankylej |
| stunclient | 2 | 0.0 | 1 | RFC 5389: Session Traversal Utilities for NAT (STUN) client | (library, mit, network) | 2014-02-04 | 0.1.0.1 | PhilippBalzarek |
| stutter | 4 | 0.0 | 0 | (Stutter Text|String)-Utterer | (library, mit, program, tools) | 2018-10-14 | 0.1.0.2 | nmattia |
| subG | 18 | 0.0 | 15 | Some extension to the Foldable and Monoid classes. | (data, development, library, mit) | 2023-01-25 | 0.6.1.0 | OleksandrZhabenko |
| subG-instances | 1 | 0.0 | 4 | Additional instances for the InsertLeft class from subG package. | (data, development, library, mit) | 2020-11-19 | 0.1.0.0 | OleksandrZhabenko |
| sublists | 20 | 0.0 | 1 | Allows to split lists into sublists with some patterns by quantity. | (data, library, lists, mit) | 2023-05-04 | 0.2.0.1 | OleksandrZhabenko |
| subnet | 5 | 0.0 | 1 | subnetting calculator | (library, mit, network) | 2015-02-13 | 0.0.1.2 | gcganley |
| success (deprecated in favor of transformers, validation-selective, validation) | 11 | 2.0 | 6 | A version of Either specialised for encoding of success or failure | (data, deprecated, failure, library, mit) | 2016-02-07 | 0.2.6 | NikitaVolkov |
| successors | 3 | 0.0 | 1 | An applicative functor to manage successors | (control, library, mit) | 2022-01-10 | 0.1.0.3 | JoachimBreitner |
| sum-type-boilerplate | 2 | 0.0 | 1 | Library for reducing the boilerplate involved with sum types | (library, mit, th, types) | 2017-07-31 | 0.1.1 | jdreaver |
| summer | 17 | 0.0 | 0 | An implementation of extensible products and sums | (data, library, mit) | 2023-01-08 | 0.3.7.2 | sgschlesinger |
| super-user-spark | 14 | 2.0 | 0 | Configure your dotfile deployment with a DSL. | (library, mit, program, system) | 2020-01-26 | 0.4.0.4 | Norfair |
| supervisors | 8 | 0.0 | 1 | Monitor groups of threads with non-hierarchical lifetimes. | (concurrency, library, mit) | 2021-01-27 | 0.2.1.0 | isd |
| supplemented | 2 | 0.0 | 1 | Early termination for monads | (library, mit, parsing) | 2016-06-02 | 0.5.1 | NikitaVolkov |
| swagger-petstore (deprecated in favor of openapi-petstore) | 9 | 0.0 | 1 | Auto-generated openapi-petstore API Client | (deprecated, library, mit, web) | 2018-05-16 | 0.0.2.0 | jonschoning |
| syfco | 1 | 0.0 | 1 | Synthesis Format Conversion Tool / Library | (library, mit, program, syntcomp) | 2017-07-03 | 1.1.0.0 | kleinreact |
| symbol-parser (deprecated in favor of symparsec) | 6 | 0.0 | 0 | Type level string parser combinators | (data, deprecated, library, mit, types) | 2024-04-20 | 0.3.0 | raehik |
| symengine | 1 | 0.0 | 1 | SymEngine symbolic mathematics engine for Haskell | (ffi, library, math, mit, symbolic-computation) | 2016-06-10 | 0.1.2.0 | bollu |
| symengine-hs | 6 | 0.0 | 0 | SymEngine symbolic mathematics engine for Haskell | (ffi, library, math, mit, program, symbolic-computation) | 2016-03-05 | 0.1.1.0 | bollu |
| symparsec | 4 | 0.0 | 1 | Type level string parser combinators | (data, library, mit, types) | 2024-06-15 | 1.1.1 | raehik |
| synapse | 1 | 2.0 | 0 | Synapse is a machine learning library written in pure Haskell. | (library, math, mit) | 2025-03-25 | 0.1.0.0 | JktuJQ |
| sync-mht | 20 | 0.0 | 1 | Fast incremental file transfer using Merkle-Hash-Trees | (library, mit, program, utility) | 2016-07-16 | 0.3.8.5 | emink |
| syntax | 14 | 0.0 | 4 | Reversible parsing and pretty-printing. | (data, library, mit) | 2014-12-12 | 1.0.0.0 | pawel834 |
| syntax-attoparsec | 4 | 0.0 | 1 | Syntax instances for Attoparsec. | (data, library, mit) | 2014-12-12 | 1.0.0.0 | pawel834 |
| syntax-example | 6 | 0.0 | 1 | Example application using syntax, a library for abstract syntax descriptions. | (data, mit, program) | 2014-12-12 | 1.0.0.0 | pawel834 |
| syntax-example-json | 4 | 0.0 | 1 | Example JSON parser/pretty-printer. | (data, mit, program) | 2014-12-12 | 1.0.0.0 | pawel834 |
| syntax-pretty (deprecated in favor of syntax-printer) | 7 | 0.0 | 1 | Syntax instance for pretty, the pretty printing library. | (data, deprecated, library, mit) | 2014-11-23 | 0.2.0.0 | pawel834 |
| syntax-printer | 2 | 0.0 | 1 | Text and ByteString printers for 'syntax'. | (data, library, mit) | 2014-12-12 | 1.0.0.0 | pawel834 |
| syntaxnet-haskell | 1 | 0.0 | 1 | Working with Google's SyntaxNet output files - CoNLL, Tree | (library, mit, nlp) | 2017-07-28 | 0.1.1.0 | MichalGajda, sigrlami |
| sys-auth-smbclient | 1 | 0.0 | 2 | Auth with smbclient command | (library, mit, system) | 2013-06-16 | 2.0.0.0 | KazuoKoga |
| system-argv0 | 1 | 0.0 | 4 | Get argv[0] as a FilePath. | (library, mit, system) | 2011-11-18 | 0.1.1 | JohnMillikin |
| system-canonicalpath | 10 | 0.0 | 1 | Abstract data type for canonical paths with some utilities | (library, mit, system) | 2015-03-03 | 0.3.2.0 | d12frosted |
| system-extra | 2 | 0.0 | 1 | A bunch of system utilities used by other projects | (library, mit, system) | 2017-07-31 | 0.1.0 | abailly |
| system-fileio (deprecated in favor of directory) | 107 | 0.0 | 59 | Consistent filesystem interaction across GHC versions (deprecated) | (deprecated, library, mit, system) | 2025-05-14 | 0.3.16.7 | AndreasAbel, JohnMillikin, MichaelSnoyman, felixonmars |
| system-filepath (deprecated in favor of filepath) | 107 | 0.0 | 124 | High-level, byte-based file and directory path manipulations (deprecated) | (deprecated, library, mit, system) | 2024-11-13 | 0.4.14.1 | AndreasAbel, JohnMillikin, MichaelSnoyman, felixonmars |
| system-info | 28 | 2.25 | 1 | Get the name of the operating system | (library, mit, system) | 2021-03-22 | 0.5.2 | dtaskoff |
| system-test | 4 | 0.0 | 0 | Runs system tests of applications. | (library, mit, program, testing) | 2016-05-22 | 0.1.2 | ExcaliburZero |
| systemd-socket-activation | 6 | 0.0 | 0 | Let systemd bind the server's socket for you | (library, mit, network, system) | 2025-01-21 | 1.1.0.2 | chris_martin, Monoid_Mary |
| systranything | 8 | 0.0 | 0 | Let you put anything in the system tray | (desktop, library, mit, program) | 2025-06-11 | 0.1.3.0 | jecaro |
| table | 0 | 0.0 | 1 | Simple tool to generate tables from DSV input | (mit, program, text) | 2015-01-02 | 0.1.0.0 | DanielChoi |
| table-tennis | 5 | 0.0 | 1 | A table tennis game tracking engine | (game, library, mit) | 2015-01-17 | 0.1.0.3 | thelollies |
| tagged-binary | 9 | 0.0 | 1 | Provides tools for serializing data tagged with type information. | (data, library, mit, serialization-) | 2017-07-31 | 0.2.0.1 | jle |
| tagged-timers | 3 | 0.0 | 1 | Simple wrappers for timing IO actions (single-threaded) | (library, mit, system) | 2016-03-20 | 0.1.0.0 | ranjitjhala |
| tailfile-hinotify | 7 | 0.0 | 1 | Tail files in Unix, using hinotify. | (library, mit, system) | 2018-11-06 | 2.0.0.0 | DanielDiazCarrete |
| tailwind | 8 | 0.0 | 1 | Tailwind wrapped in Haskell | (library, mit, program, web) | 2022-04-03 | 0.3.0.0 | sridca |
| takahashi | 5 | 0.0 | 1 | create slide for presentation. | (control, library, mit) | 2015-07-14 | 0.2.2.0 | outoftune |
| tal | 2 | 0.0 | 1 | An implementation of Typed Assembly Language (Morrisett, Walker, Crary, Glew) | (language, library, mit) | 2016-08-23 | 0.1.0.0 | sweirich |
| tao (deprecated) | 1 | 0.0 | 1 | Type-level assertion operators. | (deprecated, library, mit, testing) | 2018-03-20 | 1.0.0 | jship |
| tao-example (deprecated) | 1 | 0.0 | 1 | Example usage of the tao package. | (deprecated, library, mit, testing) | 2018-03-20 | 1.0.0 | jship |
| tar-conduit | 22 | 2.0 | 7 | Extract and create tar files using conduit for streaming | (data-conduit, mit) | 2024-01-06 | 0.4.1 | MichaelSnoyman, SimonMarechal, lehins |
| target | 7 | 0.0 | 1 | Generate test-suites from refinement types. | (library, mit, program, testing) | 2015-09-01 | 0.2.0.1 | EricSeidel |
| targeted-quickcheck | 2 | 0.0 | 0 | Targeted generators for QuickCheck | (library, mit, testing) | 2025-05-07 | 0.1.0.2 | PedroVasconcelos |
| taskpool (deprecated in favor of async-pool) | 10 | 0.0 | 1 | Manage pools of possibly interdependent tasks using STM and async | (deprecated, library, mit, system) | 2014-08-19 | 0.1.0 | JohnWiegley |
| tasty | 195 | 2.5 | 118 | Modern and extensible testing framework | (library, mit, testing) | 2025-01-05 | 1.5.3 | AndreasAbel, EdwardKmett, OliverCharles, RomanCheplyaka, bergey, Bodigrim |
| tasty-auto (deprecated in favor of tasty-discover) | 6 | 0.0 | 0 | Auto discovery for Tasty with support for ingredients and test tree generation | (deprecated, library, mit, program, testing) | 2017-03-04 | 0.2.0.0 | minad |
| tasty-bench | 36 | 2.0 | 3 | Featherlight benchmark framework | (benchmarking, development, library, mit, performance, testing) | 2024-12-29 | 0.4.1 | Bodigrim |
| tasty-bench-fit | 7 | 0.0 | 0 | Determine time complexity of a given function | (development, library, mit) | 2024-07-08 | 0.1.1 | Bodigrim |
| tasty-dejafu | 97 | 0.0 | 2 | Deja Fu support for the Tasty test framework. | (library, mit, testing) | 2025-01-06 | 2.1.0.2 | barrucadu |
| tasty-discover | 32 | 2.25 | 7 | Test discovery for the tasty framework. | (library, mit, program, testing) | 2025-06-01 | 5.0.2 | newhoggy, haskellworks |
| tasty-expected-failure | 17 | 2.0 | 7 | Mark tasty tests as failure expected | (library, mit, testing) | 2021-02-16 | 0.12.3 | JoachimBreitner |
| tasty-golden | 40 | 1.75 | 8 | Golden tests support for tasty | (library, mit, testing) | 2022-01-05 | 2.3.5 | AndreasAbel, OliverCharles, RomanCheplyaka |
| tasty-hslua | 12 | 0.0 | 0 | Tasty helpers to test HsLua. | (foreign, library, mit) | 2024-01-18 | 1.1.1 | tarleb |
| tasty-html | 15 | 0.0 | 2 | Render tasty output to HTML | (library, mit, program, testing) | 2024-01-01 | 0.4.2.2 | RomanCheplyaka, jdnavarro, 414owen |
| tasty-hunit | 49 | 2.25 | 36 | HUnit support for the Tasty test framework. | (library, mit, testing) | 2024-06-22 | 0.10.2 | AndreasAbel, OliverCharles, RomanCheplyaka, Bodigrim |
| tasty-inspection-testing | 7 | 0.0 | 1 | Inspection testing support for tasty | (library, mit, testing) | 2024-01-27 | 0.2.1 | Bodigrim |
| tasty-json | 0 | 0.0 | 0 | JSON reporter for the tasty testing framework | (library, mit, network) | 2020-04-30 | 0.1.0.0 | larsk |
| tasty-kat | 4 | 0.0 | 1 | Known Answer Tests (KAT) framework for tasty | (library, mit, tasty-kat) | 2015-01-20 | 0.0.3 | VincentHanquez |
| tasty-lua | 33 | 2.0 | 1 | Write tests in Lua, integrate into tasty. | (foreign, library, mit) | 2025-06-18 | 1.1.1.1 | tarleb |
| tasty-quickcheck | 34 | 2.25 | 25 | QuickCheck support for the Tasty test framework. | (library, mit, testing) | 2025-01-05 | 0.11.1 | AndreasAbel, OliverCharles, RomanCheplyaka, Bodigrim |
| tasty-silver | 58 | 0.0 | 2 | A fancy test runner, including support for golden tests. | (library, mit, testing) | 2024-07-19 | 3.3.2 | AndreasAbel, PhilippHausmann |
| tasty-smallcheck | 7 | 2.0 | 10 | SmallCheck support for the Tasty test framework. | (library, mit, testing) | 2020-12-18 | 0.8.2 | AndreasAbel, OliverCharles, RomanCheplyaka, Bodigrim |
| tasty-stats | 9 | 0.0 | 1 | Collect statistics of your Tasty testsuite | (library, mit, testing) | 2018-05-12 | 0.2.0.4 | minad |
| tasty-tap | 7 | 0.0 | 1 | TAP (Test Anything Protocol) Version 13 formatter for tasty | (library, mit, testing) | 2019-11-14 | 0.1.0 | MichaelXavier |
| tds | 1 | 0.0 | 0 | Pure Haskell TDS protocol implementation. Mainly for beam-mssql and beam-sybase | (database, library, mit, program) | 2019-03-18 | 0.1.0.0 | TravisAthougies |
| teardown | 26 | 0.0 | 4 | Build safe and composable teardown sub-routines for resources | (library, mit, system) | 2019-01-30 | 0.5.0.1 | RomanGonzalez |
| techlab | 3 | 0.0 | 0 | Bleeding edge prelude | (library, mit, prelude) | 2020-12-09 | 0.1.1.0 | locallycompact |
| technique | 1 | 0.0 | 0 | Procedures and Sequences | (library, mit, program, tools) | 2020-11-08 | 0.2.5 | AndrewCowie |
| teeth | 2 | 0.0 | 1 | Dental data types | (anatomy, library, mit) | 2016-10-27 | 0.2.0.2 | jophish, expipiplus1 |
| telega | 26 | 0.0 | 0 | Telegram Bot API binding | (control, data, library, mit) | 2020-01-30 | 0.3.0 | iokasimovmt |
| teleport | 2 | 0.0 | 0 | A tool to quickly switch between directories | (library, mit, program, tools) | 2016-01-05 | 0.0.0.10 | bollu |
| template-haskell-compat-v0208 | 24 | 0.0 | 12 | Backward-compatibility layer for Template Haskell newer than 2.8 | (compatibility, library, mit, templatehaskell) | 2025-03-10 | 0.1.9.5 | NikitaVolkov |
| template-haskell-util | 9 | 0.0 | 2 | Some utilities for template Haskell. | (library, mit, template-haskell) | 2015-03-02 | 0.1.1.0 | songzh |
| templatepg (deprecated in favor of postgresql-typed) | 8 | 0.0 | 1 | A PostgreSQL access library with compile-time SQL type inference | (database, deprecated, library, mit) | 2015-12-21 | 0.2.8 | ChrisForno |
| templater | 1 | 0.0 | 1 | Simple string templater | (library, mit, text) | 2015-04-30 | 0.0.3.0 | geraud |
| tensort | 31 | 2.0 | 0 | Tunable sorting for responsive robustness and beyond | (data, library, math, mit, program) | 2025-02-14 | 1.1.0.0 | kaBeech |
| term-rewriting | 24 | 2.25 | 2 | Term Rewriting Library | (library, logic, mit) | 2019-09-02 | 0.4.0.2 | BertramFelgenhauer, MartinAvanzini |
| termplot | 1 | 0.0 | 1 | Plot time series in your terminal using commands stdout | (console, mit, program) | 2015-11-19 | 0.1.0.0 | jimenezrick |
| test-framework-golden (deprecated in favor of tasty-golden) | 31 | 0.0 | 1 | Golden tests support for test-framework | (deprecated, library, mit, testing) | 2015-04-28 | 1.1.3.3 | OliverCharles, RomanCheplyaka |
| test-fun | 3 | 0.0 | 1 | Testable functions | (library, mit, testing) | 2020-02-24 | 0.1.0.0 | lyxia |
| test-monad-laws | 0 | 0.0 | 0 | Laws for mtl classes as QuickCheck properties. | (library, mit, test) | 2020-09-26 | 0.0.0.0 | lyxia |
| test-shouldbe (deprecated in favor of hspec-expectations) | 9 | 0.0 | 2 | Catchy combinators for HUnit | (deprecated, library, mit, testing) | 2015-04-04 | 0.2.1.1 | |
| testbench | 9 | 0.0 | 1 | Create tests and benchmarks together | (library, mit, testing) | 2019-05-07 | 0.2.1.3 | IvanMiljenovic |
| testcontainers | 25 | 2.25 | 0 | Docker containers for your integration tests. | (development, library, mit) | 2025-01-15 | 0.5.1.0 | alexbiehl, LaurentRDC |
| testloop | 4 | 0.0 | 1 | Quick feedback loop for test suites | (development, library, mit, testing) | 2013-08-10 | 0.1.1.0 | RomanGonzalez |
| text-and-plots | 7 | 0.0 | 1 | EDSL to create HTML documents with plots based on the C3.js library. | (library, mit, text) | 2015-04-07 | 0.2.1.0 | andersjel |
| text-builder | 55 | 2.0 | 21 | Efficient and flexible strict text builder | (builders, library, mit, text) | 2025-05-30 | 1.0.0.4 | NikitaVolkov |
| text-builder-core | 4 | 0.0 | 3 | Internals of "text-builder" | (builders, library, mit, text) | 2025-04-07 | 0.1.1.1 | NikitaVolkov |
| text-builder-dev | 34 | 0.0 | 3 | Edge of developments for "text-builder" | (builders, library, mit, text) | 2025-04-08 | 0.4 | NikitaVolkov |
| text-builder-lawful-conversions | 2 | 0.0 | 0 | Orphan instances of "lawful-conversions" for "text-builder" | (builders, conversions, library, mit, text) | 2025-05-31 | 0.1.1 | NikitaVolkov |
| text-builder-time | 0 | 0.0 | 0 | Various formats for "time" in terms of "text-builder" | (builders, library, mit, text, time) | 2025-04-11 | 0.1 | NikitaVolkov |
| text-display | 20 | 2.25 | 7 | A typeclass for user-facing output | (library, mit, text) | 2025-01-05 | 1.0.0.0 | hecate |
| text-normal | 5 | 0.0 | 1 | Unicode-normalized text | (data, library, mit) | 2014-04-22 | 0.2.1.0 | JoelTaylor |
| text-render | 9 | 0.0 | 3 | A type class for rendering objects as text, pretty-printing, etc. | (library, mit, text) | 2017-09-01 | 0.1.0.3 | thinkpad20 |
| text-stream-decode (deprecated in favor of streaming-commons) | 10 | 0.0 | 4 | Streaming decoding functions for UTF encodings. (deprecated) | (data, deprecated, library, mit, text) | 2014-03-26 | 0.1.0.5 | MichaelSnoyman |
| text-utils | 4 | 0.0 | 1 | Various text utilities | (library, mit, web) | 2020-05-18 | 0.1.1.0 | AlexanderThiemann |
| textmatetags | 4 | 0.0 | 1 | A simple Haskell program to provide tags for Haskell code completion in TextMate | (compilers-interpreters, mit, program) | 2011-03-26 | 0.0.1.2 | AlessandroVermeulen |
| textual (deprecated in favor of string-conversions, string-convert) | 2 | 0.0 | 1 | Textual type class for data that represent text | (deprecated, library, mit, text) | 2016-01-31 | 0.2.0.0 | marcosdumay |
| th-cas | 1 | 0.0 | 1 | Compile-time CAS(Computer Algebra System) | (library, math, mit, numeric) | 2015-11-16 | 0.1.0 | junjihashimoto |
| th-instance-reification | 16 | 0.0 | 3 | Fixed versions of instances reification functions | (library, mit, template-haskell) | 2020-03-26 | 0.1.5.1 | NikitaVolkov |
| th-lego | 18 | 0.0 | 5 | Template Haskell construction utilities | (library, mit, template-haskell) | 2023-12-09 | 0.3.0.3 | NikitaVolkov |
| th-printf | 14 | 0.0 | 9 | Quasiquoters for printf | (library, mit, text) | 2023-07-16 | 0.8 | JudeTaylor |
| th-utilities | 75 | 0.0 | 10 | Collection of useful functions for use with Template Haskell | (library, mit, template-haskell) | 2025-02-06 | 0.2.5.2 | MichaelSloan |
| theatre | 5 | 2.0 | 1 | Minimalistic actor library | (actors, concurrency, library, mit) | 2022-04-02 | 1.0.0.2 | NikitaVolkov |
| theatre-dev | 12 | 0.0 | 0 | Minimalistic actor library experiments | (actors, concurrency, library, mit) | 2023-11-07 | 0.5.0.1 | NikitaVolkov |
| themoviedb | 37 | 0.0 | 2 | Haskell API bindings for http://themoviedb.org | (api, library, mit, network, program) | 2022-07-13 | 1.2.2 | PeterJones |
| thock | 3 | 0.0 | 0 | A modern TUI typing game featuring online racing against friends. | (game, library, mit, program) | 2021-01-15 | 0.2.1.0 | rmehri01 |
| thread-hierarchy | 9 | 0.0 | 1 | Simple Haskell thread management in hierarchical manner | (concurrency, library, mit) | 2020-07-29 | 0.3.0.2 | nshimaza |
| thread-supervisor | 3 | 0.0 | 0 | A simplified implementation of Erlang/OTP like supervisor over thread | (concurrency, library, mit) | 2020-08-08 | 0.2.0.0 | nshimaza |
| threads-supervisor | 10 | 0.0 | 2 | Simple, IO-based library for Erlang-style thread supervision | (concurrency, library, mit, program) | 2022-06-07 | 1.2.0.2 | AlfredoDiNapoli, MikolajKonarski |
| throwable-exceptions | 11 | 0.0 | 1 | throwable-exceptions gives the easy way to throw exceptions | (exception, library, mit) | 2017-09-14 | 0.1.0.9 | aiya000 |
| thumbnail-plus | 8 | 0.0 | 1 | Generate thumbnails easily and safely. | (graphics, library, mit) | 2015-06-14 | 1.0.5 | FelipeLessa |
| tianbar | 104 | 0.0 | 1 | A desktop bar based on WebKit | (library, mit, program, system) | 2017-02-05 | 1.2.5 | AlexeyKotlyarov |
| ticket-management | 4 | 0.0 | 0 | A basic implementation of a personal ticket management system | (development, library, mit, program) | 2021-08-20 | 0.2.0.0 | sgschlesinger |
| tiempo | 2 | 0.0 | 1 | Specify time intervals in different units (secs, mins, hours, etc.) | (data, library, mit, time) | 2015-09-01 | 0.0.1.1 | RomanGonzalez |
| tightrope | 5 | 0.0 | 1 | Nice API for a Slackbot | (library, mit, web) | 2014-07-27 | 0.2.0.0 | ian |
| tikzsd | 1 | 0.0 | 0 | A program for generating LaTeX code of string diagrams. | (library, math, mit, program) | 2021-05-04 | 1.0.0 | anthonyywang |
| time-domain | 13 | 0.0 | 2 | A library for time domains and durations | (frp, library, mit) | 2024-06-25 | 0.1.0.5 | turion |
| time-manager | 13 | 0.0 | 7 | Scalable timer | (library, mit, system) | 2025-05-18 | 0.2.3 | KazuYamamoto |
| time-units-types | 6 | 0.0 | 1 | Type-level representations of time durations. | (data, library, mit) | 2022-03-30 | 0.2.0.1 | mbg |
| time-warp | 13 | 2.0 | 1 | Distributed systems execution emulation | (control, library, mit, network) | 2017-03-18 | 1.1.1.2 | jagajaga, gromak, volhovm, martoon, serokell |
| timecalc | 2 | 0.0 | 1 | (console, mit, program) | 2011-05-02 | 0.1.1 | ChrisEidhof | |
| timeout | 5 | 0.0 | 2 | Generalized sleep and timeout functions | (concurrency, control, library, mit) | 2014-08-02 | 0.1.1 | FedorGogolev |
| timespan | 14 | 0.0 | 8 | Useful timespan datatype and functions | (library, mit, web) | 2020-05-24 | 0.4.0.0 | AlexanderThiemann |
| timestamp | 5 | 0.0 | 2 | Space-efficient Unix timestamp and utilities | (library, mit, time) | 2018-04-19 | 0.2 | NikitaVolkov, effectfully, IrinaArtemeva, vlastachu, izubkov, OShev |
| timestamper | 5 | 0.0 | 1 | Read standard input and prepend each line with a timestamp | (mit, program, system) | 2015-07-31 | 1.0.3 | kisom |
| tini | 3 | 0.0 | 0 | Tiny INI file and configuration library with a minimal dependency footprint. | (configuration, library, mit) | 2020-10-05 | 0.1.0.1 | AntonEkblad |
| tinkoff-invest-sdk | 4 | 0.0 | 0 | gRPC based SDK for Tinkoff Invest API V2 | (finance, library, mit) | 2023-01-15 | 0.1.1.1 | mi11er |
| tinyapp | 4 | 0.0 | 0 | Library to build tiny apps in Haskell | (command-line, library, mit, repl, tui) | 2024-11-07 | 0.2.1.0 | bcardiff |
| tinyid | 2 | 2.0 | 0 | A secure URL-friendly string ID generator | (data, library, mit) | 2024-02-10 | 0.1.1.0 | maxine |
| tinytemplate | 4 | 2.0 | 1 | A tiny text templating library | (library, mit, text) | 2015-09-08 | 0.1.2.0 | PhilFreeman, karchie |
| tld | 7 | 0.0 | 1 | This project separates subdomains, domains, and top-level-domains from URLs. | (library, mit, network) | 2017-10-24 | 0.3.0.2 | jp_rider |
| tls-sslkeylogfile | 0 | 0.0 | 0 | SSLKEYLOGFILE support for Haskell | (library, mit, network) | 2025-03-14 | 0.1.0.0 | parsonsmatt, jade, becca |
| token-limiter-concurrent | 6 | 0.0 | 0 | A thread-safe concurrent token-bucket rate limiter that guarantees fairness | (library, mit, unclassified) | 2025-05-12 | 0.2.0.1 | Norfair |
| token-search | 2 | 0.0 | 0 | (library, mit, program, unclassified) | 2019-12-22 | 0.1.0.0 | joshuaclayton | |
| tokenify | 3 | 0.0 | 1 | A regex lexer | (library, mit, parser) | 2015-05-17 | 0.1.2.0 | akst |
| tokenizer | 1 | 0.0 | 0 | Check uniqueness and tokenize safely | (library, mit, text) | 2022-09-20 | 0.1.0.0 | lev_135 |
| tonalude | 9 | 0.0 | 1 | A standard library for Tonatona framework. | (control, library, mit, tonatona) | 2023-08-29 | 0.2.0.0 | arowM, qnoyxu |
| tonaparser | 9 | 0.0 | 6 | Scalable way to pass runtime configurations for tonatona | (library, mit, system, tonatona) | 2023-08-29 | 0.2.0.0 | arowM, qnoyxu |
| tonatona | 10 | 0.0 | 5 | meta application framework | (framework, library, mit, tonatona, web) | 2023-08-29 | 0.2.0.0 | arowM, qnoyxu |
| tonatona-google-server-api | 9 | 0.0 | 0 | tonatona plugin for google-server-api | (database, library, mit, tonatona, web) | 2022-06-21 | 0.3.0.0 | arowM, qnoyxu |
| tonatona-logger | 4 | 0.0 | 1 | tonatona plugin for logging. | (library, mit, system, tonatona) | 2023-08-29 | 0.3.0.0 | arowM, qnoyxu |
| tonatona-persistent-postgresql | 14 | 0.0 | 0 | tonatona plugin for accessing PostgreSQL database. | (database, library, mit, tonatona) | 2023-08-29 | 0.2.0.0 | arowM, qnoyxu |
| tonatona-persistent-sqlite | 4 | 0.0 | 0 | tonatona plugin for accessing Sqlite database. | (database, library, mit, tonatona) | 2023-08-29 | 0.2.0.0 | arowM, qnoyxu |
| tonatona-servant | 8 | 0.0 | 0 | tonatona plugin for servant. | (library, mit, servant, tonatona, web) | 2023-08-29 | 0.2.0.0 | arowM, qnoyxu |
| toodles | 38 | 0.0 | 1 | Manage the TODO entries in your code | (library, mit, program, project-management) | 2019-07-19 | 1.2.3 | aviaviavi |
| total-maps | 10 | 0.0 | 1 | Dense and sparse total maps. | (containers, data, data-structures, library, mit) | 2015-11-19 | 1.0.0.3 | pawel834 |
| touched | 3 | 0.0 | 1 | Library (and cli) to execute a procedure on file change. | (library, mit, program, system) | 2015-03-27 | 0.2.0.1 | crough |
| trace | 8 | 0.0 | 2 | A monad transformer for tracing provenience of errors | (control, library, mit) | 2015-04-15 | 0.2.0.0 | JonSterling |
| tracked-files | 2 | 0.0 | 0 | Package to list all tracked and untracked existing files via Git. | (library, mit, program, system) | 2020-03-03 | 0.1.0.0 | joshuaclayton |
| tracy | 7 | 0.0 | 1 | Convenience wrappers for non-intrusive debug tracing | (development, library, mit) | 2016-10-17 | 0.1.4.0 | dredozubov |
| traildb | 10 | 0.0 | 1 | TrailDB bindings for Haskell | (database, library, mit) | 2018-10-22 | 0.1.4.1 | Adeon |
| transaction | 8 | 0.0 | 2 | Monadic representation of transactions. | (data, library, mit) | 2023-06-05 | 0.1.1.4 | arowM |
| transient | 62 | 2.5 | 4 | composing programs with multithreading, events and distributed computing | (concurrency, control, library, mit) | 2020-07-24 | 0.7.0.0 | AlbertoCorona, geraldus |
| transient-universe | 34 | 0.0 | 3 | fully composable remote execution for the creation of distributed systems | (control, distributed-computing, library, mit, program) | 2020-07-29 | 0.6.0.1 | AlbertoCorona, geraldus |
| translatable-intset | 2 | 0.0 | 1 | Integer sets with a constant time translate operation. | (data-structures, library, mit) | 2011-02-04 | 0.1 | JannisHarder |
| translate-cli | 4 | 0.0 | 0 | Translation cli tool | (cli, library, mit, program) | 2017-10-15 | 1.0.0.0 | andys8 |
| trasa | 8 | 2.0 | 6 | Type Safe Web Routing | (library, mit, web) | 2019-07-19 | 0.4.1 | andrewthad, mckeankylej, chessai, goolord |
| trasa-client | 8 | 0.0 | 1 | Type safe http requests | (library, mit, web) | 2019-03-24 | 0.4 | andrewthad, mckeankylej, chessai, goolord |
| trasa-reflex | 4 | 0.0 | 1 | Reactive Type Safe Routing | (library, mit, text) | 2017-06-17 | 0.2 | andrewthad, mckeankylej, chessai |
| trasa-server | 13 | 2.0 | 3 | Type safe web server | (library, mit, web) | 2019-07-19 | 0.5.4 | andrewthad, mckeankylej, chessai, goolord |
| trasa-th | 2 | 0.0 | 0 | Template Haskell to generate trasa routes | (library, mit, web) | 2019-03-24 | 0.4 | chessai |
| traverse-with-class | 19 | 0.0 | 4 | Generic applicative traversals | (data, library, mit) | 2021-06-21 | 1.0.1.1 | AdamBergmark, RomanCheplyaka, SjoerdVisscher |
| travis | 2 | 0.0 | 1 | A simple client implementation using Travis CI API. | (library, mit, web) | 2015-09-08 | 0.1.0.1 | tomtau |
| treefold | 2 | 0.0 | 1 | Provides folds which try to combine elements in a balanced way. | (data, library, mit) | 2017-10-04 | 0.2.0.0 | oisdk |
| tripLL | 1 | 0.0 | 1 | A very simple triple store | (database, library, mit) | 2015-11-30 | 0.1.0.0 | apho |
| trust-chain | 9 | 0.0 | 0 | An implementation of a trust chain | (crypto, cryptography, library, mit) | 2021-09-19 | 0.1.3.0 | sgschlesinger |
| truthy | 3 | 0.0 | 0 | Generalized booleans and truthy values. | (data, library, mit) | 2022-07-05 | 0.3.0.1 | anselmschueler |
| tsvsql | 3 | 0.0 | 1 | Template tsv into SQL | (mit, program, text) | 2016-07-09 | 0.2.1.0 | DanielChoi |
| ttc | 19 | 0.0 | 2 | Textual Type Classes | (data, library, mit, text) | 2025-01-02 | 1.5.0.0 | TravisCardwell |
| ttrie | 5 | 0.0 | 3 | Contention-free STM hash map | (concurrency, library, mit) | 2021-10-30 | 0.1.2.2 | MichaelSchroeder |
| tttool (deprecated) | 34 | 0.0 | 1 | Working with files for the Tiptoi® pen | (deprecated, mit, program, reverse-engineering) | 2019-03-30 | 1.8.1 | JoachimBreitner |
| tuple-morph | 0 | 0.0 | 2 | Morph between tuples, or convert them from and to HLists. | (data, library, mit) | 2014-11-22 | 0.1.0.0 | pawel834 |
| turing-machines | 3 | 0.0 | 1 | A simple simulator for Turing machines | (library, math, mit) | 2016-07-24 | 0.1.0.1 | jariazavalverde |
| turkish-deasciifier | 1 | 0.0 | 0 | Haskell port of Deniz Yuret's Turkish deasciifier. | (language, library, mit, program) | 2015-07-22 | 0.1.0.0 | cattheory |
| twentyseven | 1 | 0.0 | 0 | Rubik's cube solver | (algorithms, library, mit, program) | 2016-03-16 | 0.0.0 | lyxia |
| twhs | 2 | 0.0 | 1 | CLI twitter client. | (library, mit, program, web) | 2014-06-02 | 0.1.0.3 | ShinichiroSuzuki |
| twill | 2 | 0.0 | 1 | Twilio API interaction | (library, mit, service) | 2012-11-08 | 0.1.0.3 | JosephAbrahamson |
| twitch | 18 | 2.25 | 3 | A high level file watcher DSL | (library, mit, system) | 2018-12-12 | 0.1.7.2 | JonathanFischoff, AndreasSchacker |
| twitter-feed (deprecated) | 23 | 0.0 | 1 | Client for fetching Twitter timeline via Oauth | (deprecated, library, mit, web) | 2016-10-17 | 0.2.0.11 | jsl, stackbuilders, sestrella, mrkkrp, jmorocho |
| tx | 1 | 0.0 | 1 | Persistent transactions on top of STM. | (database, library, mit) | 2013-09-30 | 0.1.0.0 | MichaelSchroeder |
| tyfam-witnesses | 9 | 0.0 | 1 | Provide proof witnesses for closed type family evaluation | (development, library, mit) | 2018-11-13 | 0.1.1.2 | GaborGreif |
| type-indexed-queues | 3 | 0.0 | 1 | Queues with verified and unverified versions. | (data-structures, library, mit) | 2017-04-27 | 0.2.0.0 | oisdk |
| type-level-bytestrings | 1 | 0.0 | 2 | Tools for manipulating type-level bytes and bytestrings | (bytestring, data, library, mit, types) | 2024-05-07 | 0.2.0 | raehik |
| type-level-kv-list | 9 | 0.0 | 3 | Type level Key-Value list. | (data, library, mit) | 2023-02-10 | 2.0.2.0 | arowM |
| type-level-kv-list-esqueleto | 3 | 0.0 | 0 | Make Esqueleto handy with type-level-kv-list | (data, library, mit) | 2022-10-31 | 0.1.0.1 | arowM |
| type-level-kv-list-persistent | 3 | 0.0 | 0 | Make Persistent Raw SQL handy with type-level-kv-list | (data, library, mit) | 2023-09-14 | 0.2.0.1 | arowM, qnoyxu |
| type-level-show | 4 | 0.0 | 3 | Utilities for writing Show-like type families | (data, library, mit, types) | 2024-06-01 | 0.3.0 | raehik |
| type-map | 9 | 0.0 | 1 | Type-indexed maps | (data, library, mit) | 2022-01-05 | 0.1.7.0 | lyxia |
| type-reflection | 1 | 0.0 | 1 | Support functions to work with type representations. | (library, mit, unclassified) | 2022-09-27 | 1.0 | RichardEisenberg |
| type-structure | 2 | 0.0 | 1 | Type structure analysis | (data, library, mit) | 2014-04-04 | 0.1.1 | NikitaVolkov |
| type-tree | 5 | 0.0 | 1 | Tree representations of datatypes | (language, library, mit) | 2018-04-07 | 0.2.0.1 | JudeTaylor |
| typeably | 2 | 0.0 | 1 | DerivingVia Typeable counterpart to Generically | (data, library, mit, types) | 2024-04-22 | 0.1.0 | raehik |
| typed-digits | 3 | 0.0 | 0 | Digits, indexed by their base at the type level | (data, library, mit) | 2019-12-12 | 0.1.0.0 | arran |
| typed-fsm | 7 | 2.0 | 1 | A framework for strongly typed FSM | (control, library, mit) | 2024-08-04 | 0.3.0.1 | sdzx |
| typed-gui | 2 | 0.0 | 0 | GUI framework based on typed-fsm | (gui, library, mit) | 2024-08-04 | 0.1.0.0 | sdzx |
| typed-process | 76 | 1.75 | 72 | Run external processes, with strong typing of streams | (library, mit, system) | 2025-04-12 | 0.2.13.0 | MichaelSnoyman, tomjaguarpaw |
| typed-range | 5 | 0.0 | 0 | An efficient and versatile typed range library. | (data, library, mit) | 2024-09-22 | 0.1.0.1 | gdifolco |
| typed-session | 19 | 0.0 | 0 | typed session framework | (control, library, mit, network) | 2024-09-21 | 0.3.0.1 | sdzx |
| typed-session-state-algorithm | 16 | 0.0 | 1 | Automatically generate status for typed-session. | (algorithm, library, mit) | 2024-09-21 | 0.5.0.0 | sdzx |
| typed-streams | 4 | 0.0 | 1 | A stream based replacement for lists | (data, library, mit) | 2017-03-18 | 0.1.0.1 | clinton |
| typed-uuid | 3 | 0.0 | 1 | Phantom-Typed version of UUID | (data, library, mit) | 2021-11-20 | 0.2.0.0 | Norfair |
| typed-wire | 15 | 0.0 | 0 | Language-independent type-safe communication | (library, mit, program, web) | 2016-06-14 | 0.3.1.1 | AlexanderThiemann |
| typelits-witnesses | 22 | 2.25 | 7 | Existential witnesses, singletons, and classes for operations on GHC TypeLits | (data, library, mit) | 2024-07-25 | 0.4.1.0 | jle |
| types-compat | 2 | 0.0 | 14 | ghc-7.6/7.8 compatible GHC.TypeLits, Data.Typeable and Data.Proxy. | (compatibility, library, mit) | 2015-02-28 | 0.1.1 | HirotomoMoriwaki |
| typescript-docs | 4 | 0.0 | 1 | A documentation generator for TypeScript Definition files | (language, mit, program) | 2014-01-07 | 0.0.3 | PhilFreeman |
| typist | 2 | 0.0 | 0 | Typelevel printf | (library, mit, text) | 2024-04-30 | 0.1.0.1 | goosedb |
| typst-symbols | 24 | 0.0 | 2 | Symbol and emoji lookup for typst language | (library, mit, text) | 2025-05-12 | 0.1.8.1 | JohnMacFarlane |
| udp-streaming | 5 | 0.0 | 1 | Streaming to and from UDP socket | (library, mit, network, streaming) | 2018-03-18 | 0.2.0.0 | mihaigiurgeanu |
| ueberzug | 3 | 0.0 | 0 | Haskell bindings for ueberzug to display images in the terminal | (graphics, library, mit) | 2022-03-23 | 0.2.0.0 | yctsui |
| ui | 1 | 0.0 | 0 | Minimalistic console UI (getLine), arrow key support (edit, browse cmd history). | (console, data, library, mit, program, text, ui) | 2024-12-28 | 1.0.0 | drJonas |
| uid | 2 | 0.0 | 1 | Simple unique identifier datatype, serializable and encodable as base32 | (data, library, mit) | 2013-08-11 | 0.1.0.1 | PhilHargett |
| ukrainian-phonetics-basic | 28 | 0.0 | 5 | A library to work with the basic Ukrainian phonetics and syllable segmentation. | (Ukrainian, language, library, mit, phonetic-languages, syllable-segmentation) | 2020-12-05 | 0.4.1.0 | OleksandrZhabenko |
| ukrainian-phonetics-basic-array | 20 | 0.0 | 11 | A library to work with the basic Ukrainian phonetics and syllable segmentation. | (Ukrainian, language, library, mit, phonetic-languages, phonetics, syllable-segmentation) | 2024-04-07 | 0.10.0.0 | OleksandrZhabenko |
| ukrainian-phonetics-basic-array-bytestring | 2 | 0.0 | 2 | A library to work with the basic Ukrainian phonetics and syllable segmentation. | (Ukrainian, language, library, mit, phonetics) | 2022-08-09 | 0.1.1.0 | OleksandrZhabenko |
| ukrainian-phonetics-common | 3 | 0.0 | 2 | A library to work with the basic Ukrainian phonetics and syllable segmentation. | (Ukrainian, language, library, mit, phonetics) | 2023-02-02 | 0.2.0.0 | OleksandrZhabenko |
| ulid-tight | 3 | 0.0 | 0 | Another ULID implementation with tight memory representation | (data, library, mit) | 2023-10-19 | 0.1 | ijaketak |
| unbeliever | 19 | 2.0 | 0 | Opinionated Haskell Interoperability | (mit, system) | 2021-10-23 | 0.11.0.1 | AndrewCowie |
| uniform-io | 11 | 0.0 | 1 | Uniform IO over files, network, anything. | (library, mit, system) | 2016-04-02 | 1.2.0.0 | marcosdumay |
| union-find-array | 5 | 0.0 | 3 | union find data structure | (algorithms, data, library, mit) | 2024-04-29 | 0.1.0.4 | BertramFelgenhauer, MartinAvanzini |
| unionmount | 11 | 0.0 | 4 | Union mount filesystem paths into Haskell datastructures | (filesystem, library, mit) | 2023-08-09 | 0.2.2.0 | sridca |
| uniq-deep | 3 | 0.0 | 1 | uniq-deep | (console, mit, program, public-domain) | 2021-07-05 | 1.2.1 | ncaq |
| unique-lang | 2 | 0.0 | 0 | Esoteric programming language where each number can only appear once | (compilers-interpreters, mit, program) | 2022-07-29 | 0.1.0.0 | OwenBechtel |
| uniquely-represented-sets | 1 | 0.0 | 1 | (library, mit, unclassified) | 2018-01-15 | 0.1.0.0 | oisdk | |
| uniqueness-periods | 2 | 0.0 | 2 | Can be used to produce the 'uniquenessPeriods' function and related functionality. | (Ukrainian, language, library, mit, uniqueness-periods) | 2020-08-18 | 0.2.0.0 | OleksandrZhabenko |
| uniqueness-periods-general | 4 | 0.0 | 1 | Can be used to produce the similar to 'String.Ukrainian.UniquenessPeriods' functions. | (language, library, mit, uniqueness-periods) | 2020-08-18 | 0.2.0.0 | OleksandrZhabenko |
| uniqueness-periods-vector | 6 | 0.0 | 3 | Generalization of the uniqueness-periods and uniqueness-periods-general packages functionality. | (game, language, library, math, mit, uniqueness) | 2020-10-14 | 0.3.1.1 | OleksandrZhabenko |
| uniqueness-periods-vector-common | 15 | 0.0 | 3 | Generalization of the dobutokO-poetry-general package functionality | (game, language, library, math, mit, uniqueness) | 2020-10-14 | 0.5.1.1 | OleksandrZhabenko |
| uniqueness-periods-vector-examples | 68 | 0.0 | 0 | Usage examples for the uniqueness-periods-vector series of packages | (game, language, library, math, mit, phonetic-languages, program, uniqueness-periods) | 2021-02-02 | 0.15.0.0 | OleksandrZhabenko |
| uniqueness-periods-vector-filters | 8 | 0.0 | 0 | A library allows to change the structure of the 'RealFrac' function output. | (data, game, language, library, math, mit, uniqueness-periods) | 2020-10-07 | 0.3.0.0 | OleksandrZhabenko |
| uniqueness-periods-vector-general | 38 | 0.0 | 0 | Some kind of the optimization approach to data inner structure. | (extremum-estimator, game, language, library, math, mit, phonetic-languages, uniqueness) | 2020-11-12 | 0.5.3.0 | OleksandrZhabenko |
| uniqueness-periods-vector-properties | 19 | 0.0 | 1 | Metrices for the maximum element for the uniqueness-periods-vector packages family. | (game, language, library, math, mit, phonetic-languages, syllable-segmentation) | 2021-02-02 | 0.6.0.0 | OleksandrZhabenko |
| uniqueness-periods-vector-stats | 8 | 0.0 | 4 | A very basic descriptive statistics. | (data, library, math, mit) | 2023-01-24 | 0.4.0.0 | OleksandrZhabenko |
| universum | 59 | 1.75 | 23 | Custom prelude used in Serokell | (library, mit, prelude) | 2024-10-16 | 1.8.2.2 | gromak, volhovm, martoon, serokell |
| unix-process-conduit (deprecated in favor of keter) | 15 | 0.0 | 2 | Run processes on Unix systems, with a conduit interface (deprecated) | (deprecated, library, mit, system) | 2014-03-20 | 0.2.2.3 | MichaelSnoyman |
| unix-simple | 3 | 0.0 | 0 | Straightforward bindings to the posix API | (library, mit, system) | 2021-02-05 | 0.1.0.0 | isd |
| unleash-client-haskell | 8 | 0.0 | 0 | Unleash feature toggle client | (library, mit, program, web) | 2025-05-02 | 0.8.1 | evenbrenden |
| unleash-client-haskell-core | 11 | 0.0 | 1 | Unleash feature toggle client core | (library, mit, web) | 2025-05-02 | 0.12.1 | evenbrenden |
| unliftio | 74 | 2.75 | 259 | The MonadUnliftIO typeclass for unlifting monads to IO (batteries included) | (control, library, mit) | 2025-03-10 | 0.2.25.1 | MichaelSnoyman |
| unliftio-core | 19 | 2.25 | 231 | The MonadUnliftIO typeclass for unlifting monads to IO | (control, library, mit) | 2023-02-06 | 0.2.1.0 | MichaelSnoyman |
| unliftio-path | 2 | 0.0 | 4 | UnliftIO using well-typed Paths. | (library, mit, text) | 2020-10-11 | 0.0.2.0 | locallycompact |
| unordered-containers-rematch | 1 | 0.0 | 1 | Rematch support for unordered containers | (control, library, mit) | 2013-05-20 | 0.1.0.0 | TomCrayford |
| unordered-graphs | 3 | 0.0 | 1 | Graph library using unordered-containers | (data-structures, graphs, library, mit) | 2016-07-19 | 0.1.0.1 | IvanMiljenovic |
| unparse-attoparsec | 1 | 0.0 | 0 | An attoparsec roundtrip | (library, mit, parsing, text) | 2018-12-07 | 0.1.0.0 | lyxia |
| unscramble | 16 | 0.0 | 1 | Solve Boggle-like word games | (mit, program, text) | 2013-12-30 | 1.0 | JoelTaylor |
| unsequential | 5 | 0.0 | 1 | An extension removing the sequentiality from monads | (control, library, mit) | 2017-03-20 | 0.5.2.1 | NikitaVolkov |
| unused | 9 | 0.0 | 0 | A command line tool to identify unused code. | (cli, library, mit, program) | 2019-11-01 | 0.10.0.0 | joshuaclayton |
| uploadcare | 1 | 0.0 | 1 | Haskell client for Uploadcare. | (api, library, mit, web) | 2012-10-06 | 0.1 | DimitrySolovyov |
| urbit-hob | 8 | 0.0 | 1 | Hoon-style atom manipulation and printing functions | (library, mit, urbit) | 2020-06-04 | 0.3.3 | JaredTobin |
| uri-templater | 7 | 0.0 | 4 | Parsing & Quasiquoting for RFC 6570 URI Templates | (library, mit, network) | 2017-09-02 | 0.3.1.0 | IanDuncan |
| url-bytes | 3 | 0.0 | 0 | Memory efficient url type and parser. | (data, library, mit) | 2022-08-21 | 0.1.1.1 | andrewthad, goolord |
| url-decoders | 2 | 0.0 | 1 | Decoders for URL-encoding (aka Percent-encoding) | (codecs, library, mit, web) | 2018-07-27 | 0.2.1 | NikitaVolkov |
| url-slug | 1 | 0.0 | 4 | Encoding and decoding of URL slugs | (library, mit, network, web) | 2022-02-05 | 0.1.0.0 | sridca |
| urn-random | 3 | 0.0 | 1 | A package for updatable discrete distributions | (data, library, mit) | 2017-07-14 | 0.1.0.0 | kwf, AntalSpectorZabusky |
| useragents (deprecated) | 2 | 0.0 | 0 | A collection of user agents | (deprecated, library, mit, network, program) | 2019-02-19 | 1.0.0 | |
| users | 6 | 2.0 | 5 | A library simplifying user management for web applications | (library, mit, web) | 2016-02-23 | 0.5.0.0 | AlexanderThiemann |
| users-persistent | 8 | 0.0 | 1 | A persistent backend for the users package | (data, library, mit) | 2016-05-22 | 0.5.0.2 | AlexanderThiemann |
| users-postgresql-simple | 11 | 0.0 | 1 | A PostgreSQL backend for the users package | (library, mit, web) | 2016-05-22 | 0.5.0.2 | AlexanderThiemann |
| users-test | 13 | 0.0 | 1 | Library to test backends for the users library | (library, mit, web) | 2016-05-22 | 0.5.0.1 | AlexanderThiemann |
| utc | 6 | 0.0 | 1 | A pragmatic time and date library. | (data, library, mit, parsing, time) | 2015-06-17 | 0.2.0.1 | LarsPetersen |
| uu-interleaved | 5 | 0.0 | 3 | An interleaving combinator for use with applicative style implementations. | (applicative, control, library, mit, parsing, text) | 2018-08-06 | 0.2.0.2 | DoaitseSwierstra, JeroenBransen |
| uu-options | 5 | 0.0 | 1 | Parse command line options using uu-interleave and uu-parsinglib | (library, mit, options) | 2015-05-12 | 0.2.0.0 | DoaitseSwierstra, JeroenBransen |
| uu-parsinglib | 67 | 0.0 | 18 | Fast, online, error-correcting, monadic, applicative, merging, permuting, interleaving, idiomatic parser combinators. | (library, mit, parsercombinators, parsercombinators-parsing-text, parsing, parsing-text, text, text.parsercombinators, text.parsercombinators-parsing-text) | 2022-04-04 | 2.9.2 | DoaitseSwierstra, JeroenBransen |
| uuid-bytes | 3 | 0.0 | 1 | UUID parsing using byteverse packages | (data, library, mit) | 2022-08-21 | 0.1.3.0 | goolord |
| uuid-le | 5 | 0.0 | 1 | Universally Unique Identifiers with little-endian-ish encoding tools | (data, library, mit) | 2014-09-29 | 0.2014.1 | StijnVanDrongelen |
| uusi | 15 | 0.0 | 0 | Tweak .cabal files | (distribution, library, mit, program) | 2023-09-08 | 0.4.3.0 | berberman |
| vabal-lib | 1 | 0.0 | 0 | Core algorithms and datatypes used by vabal | (development, distribution, library, mit) | 2019-01-10 | 2.0.0 | Franciman |
| vado | 20 | 0.0 | 2 | Runs commands on remote machines using ssh | (development, library, mit, program) | 2022-10-02 | 0.0.14 | HamishMackenzie |
| valid-names | 5 | 0.0 | 1 | Valid operator/module characters | (language, library, mit) | 2013-12-29 | 0.1.0.1 | JoelTaylor |
| valida | 5 | 0.0 | 0 | Simple applicative validation for product types, batteries included! | (data, library, mit, validation) | 2021-08-25 | 1.1.0 | TotallyNotChase |
| valida-base | 7 | 0.0 | 0 | Simple applicative validation for product types, batteries included! | (data, library, mit, validation) | 2021-08-25 | 0.2.0 | TotallyNotChase |
| validate-input | 6 | 0.0 | 1 | Input validation combinator library | (library, mit, web) | 2021-02-07 | 0.5.0.0 | AlexanderThiemann |
| validators | 0 | 0.0 | 1 | Composable validations for your Haskell data types | (data, library, mit) | 2019-10-23 | 0.0.1 | luc_tielen |
| validity | 90 | 2.5 | 56 | Validity typeclass | (library, mit, validity) | 2024-07-18 | 0.12.1.0 | Norfair, NickskeVdb |
| validity-aeson | 11 | 0.0 | 2 | Validity instances for aeson | (library, mit, validity) | 2022-04-26 | 0.2.0.5 | Norfair |
| validity-bytestring | 12 | 0.0 | 2 | Validity instances for bytestring | (library, mit, validity) | 2020-02-10 | 0.4.1.1 | Norfair |
| validity-case-insensitive | 2 | 0.0 | 1 | Validity instances for case-insensitive | (library, mit, validity) | 2022-04-26 | 0.0.0.0 | Norfair |
| validity-containers | 18 | 0.0 | 12 | Validity instances for containers | (library, mit, validity) | 2024-09-19 | 0.5.0.5 | Norfair |
| validity-dlist | 3 | 0.0 | 1 | Validity instances for containers | (library, mit, validity) | 2024-08-06 | 0.1.0.1 | Norfair |
| validity-network-uri | 3 | 0.0 | 1 | Validity instances for URI | (library, mit, validity) | 2023-10-04 | 0.0.0.1 | Norfair |
| validity-path | 22 | 0.0 | 4 | Validity instances for Path | (library, mit, validity) | 2020-02-10 | 0.4.0.1 | Norfair |
| validity-persistent | 0 | 0.0 | 1 | Validity instances for persistent-related types | (library, mit, testing) | 2021-03-07 | 0.0.0.0 | Norfair |
| validity-primitive | 5 | 0.0 | 1 | Validity instances for primitive | (library, mit, validity) | 2020-02-10 | 0.0.0.1 | Norfair |
| validity-scientific | 7 | 0.0 | 3 | Validity instances for scientific | (library, mit, web) | 2020-02-10 | 0.2.0.3 | Norfair |
| validity-text | 44 | 0.0 | 7 | Validity instances for text | (library, mit, web) | 2022-04-26 | 0.3.1.3 | Norfair |
| validity-time | 21 | 0.0 | 8 | Validity instances for time | (library, mit, validity) | 2021-11-23 | 0.5.0.0 | Norfair |
| validity-unordered-containers | 8 | 0.0 | 2 | Validity instances for unordered-containers | (library, mit, validity) | 2020-02-10 | 0.2.0.3 | Norfair |
| validity-uuid | 8 | 0.0 | 2 | Validity instances for uuid | (library, mit, web) | 2020-02-10 | 0.1.0.3 | Norfair |
| validity-vector | 8 | 0.0 | 2 | Validity instances for vector | (library, mit, validity) | 2020-02-10 | 0.2.0.3 | Norfair |
| valor | 3 | 2.25 | 1 | Simple and powerful data validation | (library, mit, validation) | 2021-08-30 | 1.0.0.0 | LukaHadziegric |
| variable-media-field | 1 | 0.0 | 2 | Simple type for representing one of several media types. | (library, media, mit) | 2021-07-25 | 0.1.0.0 | locallycompact |
| variable-media-field-dhall | 1 | 0.0 | 0 | Dhall instances for VF | (library, media, mit) | 2021-07-25 | 0.1.0.0 | locallycompact |
| variable-media-field-optics | 1 | 0.0 | 0 | Optics for variable-media-field. | (library, media, mit) | 2021-07-25 | 0.1.0.0 | locallycompact |
| variables | 2 | 0.0 | 1 | Monads with variables, without deep magic | (control, library, mit) | 2014-08-18 | 0.1.1 | alynn |
| variety | 7 | 0.0 | 0 | integer arithmetic codes | (codec, library, mit) | 2025-07-23 | 0.2.0.0 | nbos |
| vary | 11 | 2.0 | 0 | Vary: Friendly and fast polymorphic variants (open unions/coproducts/extensible sums) | (data, data-structures, error-handling, library, mit) | 2025-06-17 | 0.1.1.3 | qqwy |
| varying | 28 | 2.0 | 2 | FRP through value streams and monadic splines. | (control, frp, library, mit, program) | 2019-10-21 | 0.8.1.0 | SchellScivally |
| vault-tool | 8 | 0.0 | 2 | Client library for HashiCorp's Vault tool (via HTTP API) | (library, mit, network) | 2019-05-01 | 0.1.0.1 | BitConnor |
| vault-tool-server | 7 | 0.0 | 1 | Utility library for spawning a HashiCorp Vault process | (library, mit, network) | 2019-05-01 | 0.1.0.1 | BitConnor |
| vcf | 1 | 2.0 | 1 | A package to parse VCF files inspired in similar python libraries | (bioinformatics, library, mit) | 2017-08-10 | 0.9.0 | juanpaucar |
| vcr | 5 | 0.0 | 0 | Record and replay HTTP interactions | (library, mit, testing) | 2025-06-29 | 0.1.0 | SimonHengel |
| vector-builder | 35 | 0.0 | 12 | Vector builder | (library, mit, vector) | 2025-02-02 | 0.3.8.6 | NikitaVolkov |
| vector-circular | 8 | 0.0 | 2 | circular vectors | (data, library, mit) | 2022-01-24 | 0.1.4 | DavidHimmelstrup, chessai |
| vector-conduit | 10 | 0.0 | 1 | Conduit utilities for vectors | (data, library, mit) | 2012-12-31 | 0.5.0.0 | JaredHance |
| vector-doublezip | 2 | 0.0 | 1 | Some special functions to work with Vector (with zip). | (data, library, mit) | 2020-06-24 | 0.2.0.0 | OleksandrZhabenko |
| vector-endian | 1 | 0.0 | 0 | Storable vectors with cpu-independent representation. | (data, data-structures, library, mit) | 2019-04-22 | 0.1.0.0 | isd |
| vector-extras | 43 | 0.0 | 1 | Utilities for the "vector" library | (library, mit, vector) | 2025-05-29 | 0.3 | NikitaVolkov |
| vector-shuffling | 2 | 0.0 | 1 | Algorithms for vector shuffling | (library, mit, random, vector) | 2018-04-03 | 1.1 | NikitaVolkov, effectfully, IrinaArtemeva, vlastachu |
| vector-space-map | 10 | 0.0 | 1 | vector-space operations for finite maps using Data.Map | (library, math, mit) | 2018-10-16 | 0.2.1.1 | ChristianConkle |
| vector-split | 11 | 0.0 | 2 | Combinator library for splitting vectors. | (data, data-structures, library, mit) | 2025-06-16 | 1.0.0.4 | fho |
| velma | 4 | 0.0 | 0 | Automatically add files to exposed-modules and other-modules. | (distribution, library, mit, program) | 2022-02-13 | 0.2022.2.13 | fozworth |
| verbalexpressions | 1 | 0.0 | 1 | Regular expressions made easy | (library, mit, text) | 2013-10-21 | 1.0.0.0 | klrr |
| verset | 9 | 0.0 | 1 | Small alternative prelude | (library, mit, prelude) | 2025-05-18 | 0.0.1.11 | andrevdm |
| version-natural | 1 | 0.0 | 1 | A simple version type. | (data, library, mit) | 2023-04-09 | 0.1.0.0 | locallycompact |
| version-natural-dhall-instance | 6 | 0.0 | 0 | FromDhall and ToDhall instances for version-natural. | (data, dhall, library, mit) | 2023-04-10 | 0.2.0.0 | locallycompact |
| vigilance | 2 | 0.0 | 1 | An extensible dead-man's switch system | (mit, utils) | 2013-09-17 | 0.1.0.1 | MichaelXavier |
| vimus | 5 | 0.0 | 1 | An MPD client with vim-like key bindings | (library, mit, program, sound) | 2015-04-28 | 0.2.1 | JoachimFasting, SimonHengel |
| vinyl | 59 | 2.0 | 80 | Extensible Records | (library, mit, records) | 2022-03-23 | 0.14.3 | AnthonyCowley, JonSterling |
| vinyl-json | 1 | 0.0 | 1 | Provide json instances automagically to vinyl types | (library, mit, web) | 2014-03-12 | 0.1.0.0 | tbelaire, heptahedron |
| vinyl-loeb | 2 | 0.0 | 0 | Loeb's theorem for extensible records. | (library, mit, vinyl) | 2020-12-07 | 0.0.1.0 | locallycompact |
| vinyl-named-sugar | 1 | 0.0 | 0 | Syntax sugar for vinyl records using overloaded labels. | (data, library, mit) | 2019-02-21 | 0.1.0.0 | Solonarv |
| visibility | 2 | 0.0 | 1 | Simple computation of visibility polygons. | (geometry, library, mit) | 2016-01-18 | 0.1.0.2 | darwin226 |
| vorbiscomment | 3 | 0.0 | 1 | Reading of Vorbis comments from Ogg Vorbis files | (library, mit, sound, text) | 2010-07-28 | 0.0.2 | ChrisWagner |
| vrpn | 6 | 0.0 | 1 | Bindings to VRPN. | (library, mit, network, program) | 2019-02-20 | 0.3.0.0 | BrianBush |
| vt-utils | 7 | 0.0 | 0 | Vector and Text utilities | (library, mit, utils) | 2019-05-02 | 1.3.0.0 | Wilton |
| wai | 72 | 2.5 | 469 | Web Application Interface. | (library, mit, web) | 2023-12-10 | 3.2.4 | KazuYamamoto, MichaelSnoyman, nideco |
| wai-app-static | 143 | 0.0 | 34 | WAI application for static serving | (library, mit, program, web, yesod) | 2024-03-04 | 3.1.9 | MichaelSnoyman |
| wai-conduit | 8 | 0.0 | 8 | conduit wrappers for WAI | (conduit, library, mit, web) | 2018-03-19 | 3.0.0.4 | MichaelSnoyman |
| wai-cors | 22 | 2.0 | 14 | CORS for WAI | (http, library, mit, network, wai, web) | 2019-06-06 | 0.2.7 | JonSterling, larsk |
| wai-devel | 5 | 0.0 | 0 | A web server for the development of WAI compliant web applications. | (library, mit, program, web) | 2016-03-21 | 0.0.0.4 | urbanslug |
| wai-eventsource (deprecated in favor of wai-extra) | 25 | 0.0 | 4 | WAI support for server-sent events (deprecated) | (deprecated, library, mit, web) | 2014-06-09 | 3.0.0 | FelipeLessa, MichaelSnoyman |
| wai-extra | 415 | 2.0 | 136 | Provides some basic WAI handlers and middleware. | (library, mit, web) | 2024-11-06 | 3.1.17 | FelipeLessa, GregWeber, KazuYamamoto, MichaelSnoyman, nideco |
| wai-frontend-monadcgi | 25 | 0.0 | 1 | Run CGI apps on WAI. | (library, mit, web) | 2016-11-20 | 3.0.0.3 | MichaelSnoyman |
| wai-graceful (deprecated in favor of warp) | 4 | 0.0 | 1 | Graceful shutdown for WAI applications. | (deprecated, library, mit, network) | 2013-11-27 | 0.1.0.1 | AlexanderBondarenko |
| wai-handler-devel (deprecated in favor of yesod-bin) | 41 | 0.0 | 2 | WAI server that automatically reloads code after modification. (deprecated) | (deprecated, library, mit, program, web) | 2014-03-26 | 2.0.0.2 | MichaelSnoyman |
| wai-handler-fastcgi | 27 | 0.0 | 3 | Wai handler to fastcgi | (library, mit, web) | 2024-05-22 | 3.0.0.3 | MichaelSnoyman, janus |
| wai-handler-launch | 116 | 2.0 | 3 | Launch a web app in the default browser. | (library, mit, web) | 2020-01-18 | 3.0.3.1 | MichaelSnoyman, janus |
| wai-handler-scgi (deprecated in favor of wai-extra) | 27 | 0.0 | 1 | Wai handler to SCGI (deprecated) | (deprecated, library, mit, web) | 2014-03-21 | 2.0.0.2 | MichaelSnoyman |
| wai-handler-webkit | 21 | 0.0 | 1 | Turn WAI applications into standalone GUIs using QtWebkit. | (library, mit, web) | 2015-12-30 | 3.0.0.3 | MichaelSnoyman, janus |
| wai-http2-extra | 18 | 0.0 | 0 | WAI utilities for HTTP/2 | (library, mit, web) | 2020-05-28 | 0.1.3 | KazuYamamoto |
| wai-lambda | 6 | 0.0 | 0 | Haskell Webapps on AWS Lambda | (library, mit, program, web) | 2023-02-05 | 0.1.1.0 | nmattia |
| wai-middleware-auth | 16 | 2.0 | 2 | Authentication middleware that secures WAI application | (library, mit, program, web) | 2022-03-24 | 0.2.6.0 | MichaelSnoyman, lehins, JasperWoudenberg |
| wai-middleware-bearer | 0 | 0.0 | 1 | WAI Middleware for Bearer Token Authentication | (authentication, library, mit, web) | 2022-05-26 | 1.0.3 | martinbednar |
| wai-middleware-consul | 3 | 0.0 | 1 | Wai Middleware for Consul | (library, mit, network) | 2015-04-01 | 0.1.0.2 | MichaelSnoyman, dysinger |
| wai-middleware-crowd | 11 | 0.0 | 0 | Middleware and utilities for using Atlassian Crowd authentication | (library, mit, program, web) | 2016-08-17 | 0.1.4.2 | MichaelSnoyman |
| wai-middleware-slack-verify | 0 | 0.0 | 1 | WAI Slack request verification middleware | (library, mit, web) | 2018-07-09 | 0.1.0.0 | brandonhamilton |
| wai-problem-details | 3 | 0.0 | 0 | Problem details middleware for WAI | (library, mit, web) | 2023-04-28 | 0.1.1.0 | |
| wai-rate-limit | 4 | 0.0 | 4 | Rate limiting as WAI middleware | (library, mit, security) | 2022-03-30 | 0.3.0.0 | mbg |
| wai-rate-limit-redis | 4 | 0.0 | 1 | Redis backend for rate limiting as WAI middleware | (library, mit, security) | 2022-03-21 | 0.2.0.1 | mbg |
| wai-router | 5 | 0.0 | 1 | Provides basic routing on URL paths for WAI. | (library, mit, web) | 2012-05-21 | 1.0.0.1 | MarekDolgos |
| wai-routes | 50 | 2.0 | 2 | Typesafe URLs for Wai applications. | (library, mit, network) | 2019-04-12 | 0.10.4 | AnupamJain |
| wai-saml2 | 15 | 0.0 | 0 | SAML2 assertion validation as WAI middleware | (library, mit, security) | 2024-07-12 | 0.6 | mbg |
| wai-secure-cookies | 11 | 0.0 | 1 | WAI middleware to automatically encrypt and sign cookies | (library, mit, program, web) | 2023-09-07 | 0.1.0.8 | alaminium |
| wai-static-pages | 24 | 0.0 | 1 | generate static html pages from a WAI application | (library, mit, web) | 2015-02-15 | 0.3 | GregWeber |
| wai-test (deprecated in favor of wai-extra) | 65 | 0.0 | 6 | Unit test framework (built on HUnit) for WAI applications. (deprecated) | (deprecated, library, mit, testing, web, yesod) | 2014-06-09 | 3.0.0 | GregWeber, MichaelSnoyman |
| wai-thrift | 9 | 0.0 | 1 | Thrift transport layer for Wai | (library, mit, web) | 2015-10-21 | 0.0.1.3 | yogeshsajanikar |
| wai-throttler | 9 | 0.0 | 1 | Wai middleware for request throttling | (library, mit, web) | 2015-02-24 | 0.1.0.5 | mkulkin |
| wai-websockets | 41 | 0.0 | 36 | Provide a bridge between WAI and the websockets package. | (library, mit, web, yesod) | 2018-03-19 | 3.0.1.2 | MichaelSnoyman |
| waitfree | 11 | 0.0 | 1 | A wrapping library for waitfree computation. | (concurrency, library, mit, system) | 2011-06-07 | 0.1.5 | YoichiHirai |
| waitra | 4 | 0.0 | 1 | A very simple Wai router | (library, mit, web) | 2015-09-01 | 0.0.4.0 | phadej |
| warp | 571 | 2.75 | 210 | A fast, light-weight web server for WAI applications. | (library, mit, web, yesod) | 2025-06-03 | 3.4.8 | KazuYamamoto, MichaelSnoyman, nideco |
| warp-static (deprecated in favor of wai-app-static) | 54 | 0.0 | 1 | Static file server based on Warp and wai-app-static (deprecated) | (deprecated, mit, program, web) | 2014-03-21 | 2.0.1.1 | MichaelSnoyman |
| warp-tls | 173 | 2.0 | 29 | HTTP over TLS support for Warp via the TLS package | (library, mit, web, yesod) | 2025-03-17 | 3.4.13 | KazuYamamoto, MichaelSnoyman |
| warped | 11 | 0.0 | 1 | Warp and Wai Library. | (library, mit, network) | 2018-10-12 | 0.0.8 | markfine |
| wasm | 3 | 2.25 | 0 | WebAssembly Language Toolkit and Interpreter | (language, library, mit) | 2021-12-12 | 1.1.1 | irezvov |
| watcher | 4 | 0.0 | 1 | Opinionated filesystem watcher | (library, mit, system) | 2013-06-20 | 0.0.3.0 | NateSoares |
| weather-api | 29 | 0.0 | 1 | Weather API implemented in Haskell | (api, library, mit) | 2017-05-31 | 0.4.3.3 | PeterGoncharov |
| web-fpco | 3 | 0.0 | 1 | Wrappers for web frameworks to ease usage with the FP Complete environment. | (library, mit, web) | 2013-04-16 | 0.1.1.0 | MichaelSnoyman |
| web-push | 2 | 0.0 | 1 | Send messages using Web Push protocol. | (library, mit, web) | 2020-06-28 | 0.3 | KevinCotrone, sarthakbagaria |
| web-routing | 15 | 0.0 | 7 | simple routing library | (library, mit, web) | 2015-04-02 | 0.6.2 | HirotomoMoriwaki, winterland |
| web-view-colonnade | 2 | 2.0 | 0 | Build HTML tables using web-view and colonnade. | (library, mit, web) | 2025-03-03 | 0.1.0.1 | lorenzo |
| webapp | 26 | 2.0 | 1 | Haskell web app framework based on WAI & Warp | (library, mit, web) | 2017-04-14 | 0.6.1 | natesymer |
| webdriver-angular | 14 | 0.0 | 1 | Webdriver actions to assist with testing a webpage which uses Angular.Js | (library, mit, web) | 2016-08-28 | 0.1.11 | JohnLenz |
| webex-teams-api | 2 | 0.0 | 2 | A Haskell bindings for Webex Teams API | (library, mit, program, web) | 2020-07-29 | 0.2.0.1 | nshimaza |
| webex-teams-conduit | 2 | 0.0 | 0 | Conduit wrapper of Webex Teams List API | (library, mit, program, web) | 2020-07-29 | 0.2.0.1 | nshimaza |
| webex-teams-pipes | 2 | 0.0 | 0 | Pipes wrapper of Webex Teams List API | (library, mit, program, web) | 2020-07-29 | 0.2.0.1 | nshimaza |
| webify | 8 | 0.0 | 1 | webfont generator | (mit, program, web) | 2021-08-01 | 0.1.10.0 | ananthakumaran, srhb |
| webrtc-vad | 5 | 0.0 | 1 | Easy voice activity detection | (library, mit, sound) | 2016-07-07 | 0.1.0.3 | PatrickChilton |
| weighted | 3 | 0.0 | 1 | Writer monad which uses semiring constraint | (control, library, mit) | 2017-02-13 | 0.3.0.1 | oisdk |
| welshy | 2 | 0.0 | 1 | Haskell web framework (because Scotty had trouble yodeling) | (library, mit, web) | 2013-09-30 | 0.1.0.0 | MichaelSchroeder |
| why3 | 1 | 0.0 | 1 | Haskell support for the Why3 input format. | (languages, library, mit) | 2015-08-27 | 0.8 | EricMertens |
| wigner-symbols | 2 | 0.0 | 1 | CG coefficients and Wigner symbols. | (library, math, mit) | 2015-10-02 | 1.0.0 | Rufflewind |
| wilton-ffi | 6 | 0.0 | 1 | Haskell modules support for Wilton JavaScript runtime | (ffi, library, mit) | 2018-09-15 | 0.3.0.3 | Wilton |
| witch | 69 | 2.5 | 7 | Convert values from one type into another. | (data, library, mit) | 2025-05-22 | 1.3.0.6 | fozworth |
| with-location (deprecated in favor of call-stack) | 3 | 0.0 | 2 | Use ImplicitParams-based source locations in a backward compatible way | (data, deprecated, library, mit) | 2016-03-16 | 0.1.0 | SimonHengel |
| within | 11 | 0.0 | 3 | A value within another path. | (filesystem, library, mit) | 2020-08-28 | 0.2.0.1 | locallycompact |
| wl-pprint-console | 8 | 0.0 | 1 | Wadler/Leijen pretty printer supporting colorful console output. | (library, mit, text) | 2018-08-13 | 0.1.0.2 | minad |
| wobsurv | 1 | 0.0 | 1 | A simple and highly performant HTTP file server | (library, mit, network, networking, program, service) | 2014-10-12 | 0.1.0 | NikitaVolkov |
| wolf | 79 | 0.0 | 0 | Amazon Simple Workflow Service Wrapper. | (aws, cloud, distributed-computing, library, mit, network, program) | 2020-10-09 | 0.3.48 | markfine |
| woot | 8 | 0.0 | 1 | Real time group editor without operational transform. | (data, library, mit) | 2016-08-05 | 0.0.0.6 | tgolson |
| word-array | 5 | 0.0 | 0 | treat integral types as arrays of smaller integral types | (data, library, mit) | 2022-08-21 | 0.1.0.0 | goolord |
| word-note-sox | 1 | 0.0 | 0 | SoX for algorithmic composition with groups of notes liken to words | (language, library, mit, sound) | 2024-02-06 | 0.1.0.0 | OleksandrZhabenko |
| word-notes-datatype | 1 | 0.0 | 0 | General datatypes for music creation for one instrument | (library, mit, sound) | 2024-02-10 | 0.1.0.0 | OleksandrZhabenko |
| word16 | 2 | 2.0 | 1 | Word16 library | (library, mit, system) | 2021-08-21 | 0.1.0.0 | maerwald |
| wordn | 1 | 0.0 | 0 | arbitrary bit size Words | (data, library, mit) | 2020-09-30 | 0.1.0.0 | goolord |
| workdays | 3 | 0.0 | 1 | Workday calculations | (library, mit, time) | 2016-11-17 | 0.1.1 | jsl, jpvillaisaza, stackbuilders |
| wreq-effectful | 5 | 0.0 | 0 | Adaptation of the wreq library for the effectful ecosystem. | (library, mit, web) | 2024-11-04 | 0.1.0.1 | Pingu |
| wreq-stringless | 9 | 0.0 | 1 | Simple wrapper to use wreq without Strings | (library, mit, web) | 2018-01-16 | 0.5.9.1 | jkeck |
| wright | 1 | 0.0 | 1 | Colour space transformations and metrics. | (data, library, mit) | 2014-05-16 | 0.1.0.2 | vi |
| wuss | 50 | 0.0 | 27 | Secure WebSocket (WSS) clients | (library, mit, network) | 2025-05-22 | 2.0.2.5 | fozworth |
| x-sum-type-boilerplate | 1 | 0.0 | 0 | (Forked) Library for reducing the boilerplate involved with sum types | (library, mit, th, types) | 2024-08-23 | 0.1.4 | xieyuschen |
| xbattbar | 4 | 0.0 | 1 | Simple battery indicator | (graphics, mit, program) | 2012-10-07 | 0.2 | AlexanderPolakov |
| xdcc | 15 | 0.0 | 1 | A wget-like utility for retrieving files from XDCC bots on IRC | (mit, network, program) | 2017-03-19 | 1.1.4 | JanGerlinger |
| xgboost-haskell | 0 | 0.0 | 0 | XGBoost library for Haskell. | (development, library, mit, program) | 2017-10-19 | 0.1.0.0 | sighingnow |
| xkbcommon | 3 | 0.0 | 3 | Haskell bindings for libxkbcommon | (library, mit, text) | 2016-10-02 | 0.0.3 | AukeBooij |
| xlsior | 3 | 0.0 | 1 | Streaming Excel file generation and parsing | (codec, library, mit) | 2015-07-03 | 0.1.0.1 | rcallahan |
| xlsx | 87 | 2.25 | 6 | Simple and incomplete Excel file parser/writer | (codec, library, mit) | 2025-04-02 | 1.1.4 | KirillZaborsky |
| xlsx-templater | 1 | 2.0 | 1 | Simple and incomplete Excel file templater | (codec, library, mit, program) | 2012-06-25 | 0.0.1 | KirillZaborsky |
| xml-conduit | 106 | 2.0 | 126 | Pure-Haskell utilities for dealing with XML with the conduit package. | (conduit, library, mit, xml) | 2025-07-15 | 1.10.0.1 | MichaelSnoyman, koral |
| xml-conduit-decode | 1 | 0.0 | 1 | Historical cursors & decoding on top of xml-conduit. | (library, mit, xml) | 2016-06-12 | 1.0.0.0 | BenKolera |
| xml-conduit-stylist | 13 | 0.0 | 1 | Bridge between xml-conduit/html-conduit and stylist | (library, mit, web) | 2023-03-23 | 3.0.0.1 | alcinnz |
| xml-conduit-writer | 6 | 0.0 | 6 | Warm and fuzzy creation of XML documents. | (library, mit, text) | 2024-01-26 | 0.1.1.5 | AlexanderBondarenko |
| xml-isogen | 3 | 0.0 | 1 | Generate XML-isomorphic types | (data, library, mit) | 2018-04-19 | 0.3.0 | mniip, typeable |
| xml-parser | 6 | 0.0 | 1 | XML parser with informative error-reporting and simple API | (library, mit, unclassified) | 2025-04-08 | 0.1.1.2 | NikitaVolkov |
| xml-query | 5 | 0.0 | 2 | A parser-agnostic declarative API for querying XML-documents | (data, library, mit, parsing, xml) | 2021-06-07 | 0.9.1.1 | NikitaVolkov |
| xml-query-xml-conduit | 4 | 0.0 | 1 | A binding for the "xml-query" and "xml-conduit" libraries | (data, library, mit, parsing, xml) | 2016-04-04 | 0.3.1 | NikitaVolkov |
| xml-query-xml-types | 1 | 0.0 | 1 | An interpreter of "xml-query" queries for the "xml-types" documents | (data, library, mit, parsing, xml) | 2016-04-04 | 0.4.1 | NikitaVolkov |
| xml-to-json | 4 | 0.0 | 1 | Library and command line tool for converting XML files to json | (library, mit, program, web, xml) | 2015-03-30 | 2.0.1 | NoamLewis |
| xml-to-json-fast | 3 | 0.0 | 1 | Fast, light converter of xml to json capable of handling huge xml files | (json, library, mit, program, web, xml) | 2015-03-30 | 2.0.0 | NoamLewis |
| xml-types | 16 | 0.0 | 67 | Basic types for representing XML | (library, mit, text, xml) | 2020-07-13 | 0.3.8 | StephenWeber |
| xml-types-content | 3 | 0.0 | 0 | Utilities for dealing with Content-values of "xml-types" | (library, mit, unclassified) | 2024-12-23 | 0.0.1.1 | NikitaVolkov |
| xmltv | 3 | 0.0 | 1 | Show tv channels in the terminal | (library, mit, program, system) | 2014-11-17 | 0.0.1 | dagle |
| xmonad-entryhelper | 0 | 0.0 | 1 | XMonad config entry point wrapper | (library, mit, xmonad) | 2015-01-17 | 0.1.0.0 | javran |
| xmonad-screenshot | 2 | 0.0 | 1 | Workspaces screenshooting utility for XMonad. | (library, mit, xmonad) | 2015-06-25 | 0.1.2 | DmitryMalikov |
| xsha1 | 2 | 2.0 | 1 | cryptanalysis of Blizzard's broken SHA-1 implementation. | (cryptography, library, mit) | 2012-03-15 | 0.0.0 | AlexKropivny |
| xtea | 1 | 0.0 | 0 | XTEA (eXtended Tiny Encryption Algorithm). | (cryptography, library, mit) | 2024-11-03 | 0.1.0.0 | intricate |
| yabi | 4 | 2.0 | 1 | Yet Another Brainfuck Interpreter | (compilers-interpreters, mit, program) | 2017-06-22 | 0.2.0.0 | fgaz |
| yabi-muno | 2 | 0.0 | 1 | Yet Another Brainfuck Interpreter | (language, library, mit, program) | 2015-03-08 | 0.1.0.1 | L8D |
| yahoo-finance-conduit | 1 | 0.0 | 1 | Streaming aproach to the yahoo finance api | (data, library, mit) | 2014-09-18 | 0.1.0.0 | AlexanderThiemann |
| yahoo-prices | 15 | 0.0 | 0 | A wrapper around Yahoo API for downloading market data. | (library, mit, web) | 2023-02-04 | 0.1.0.5 | alojzyleszcz |
| yak | 5 | 0.0 | 1 | A strongly typed IRC library | (library, mit, network) | 2019-02-23 | 0.2.0.0 | tsahyt |
| yam-config (deprecated) | 15 | 0.0 | 2 | Yam Configuation | (deprecated, library, mit, project) | 2018-05-28 | 0.3.3 | leptonyu |
| yam-logger (deprecated) | 12 | 0.0 | 2 | Yam Logger | (deprecated, library, mit, project) | 2018-05-27 | 0.3.2 | leptonyu |
| yam-transaction (deprecated) | 5 | 0.0 | 1 | Yam transaction | (deprecated, library, mit, project) | 2018-05-28 | 0.3.3 | leptonyu |
| yam-web (deprecated) | 5 | 0.0 | 0 | Yam Web | (deprecated, library, mit, program, project) | 2018-05-28 | 0.3.3 | leptonyu |
| yaml-combinators | 10 | 0.0 | 1 | YAML parsing combinators for improved validation and error reporting | (library, mit, text) | 2023-02-26 | 1.1.2.1 | RomanCheplyaka, mitchellwrosen |
| yaml-config | 9 | 0.0 | 1 | Configuration management | (configuration, library, mit) | 2016-03-17 | 0.4.0 | FedorGogolev, MaximMitroshin |
| yaml-marked | 7 | 0.0 | 0 | Support for parsing and rendering YAML documents with marks. | (data, library, mit) | 2024-11-28 | 0.2.0.1 | PatrickBrisbin |
| yaml-unscrambler | 25 | 0.0 | 1 | Flexible declarative YAML parsing toolkit | (library, mit, parser, parsers, yaml) | 2025-04-08 | 0.1.0.20 | NikitaVolkov |
| yamlparse-applicative | 9 | 0.0 | 2 | Declaritive configuration parsing with free docs | (library, mit, unclassified) | 2021-10-20 | 0.2.0.1 | Norfair |
| yamlscript | 11 | 0.0 | 0 | Haskell bindings for YAMLScript | (data, library, mit, program, text, yaml) | 2025-07-18 | 0.2.2.0 | ingy |
| yampa-gloss | 6 | 0.0 | 1 | A GLOSS backend for Yampa | (graphics, library, mit) | 2023-04-08 | 0.2.1 | IvanPerez |
| yampa-sdl2 | 9 | 0.0 | 1 | Yampa and SDL2 made easy | (library, mit, scene) | 2018-03-10 | 0.1.0.2 | simre |
| yampa2048 | 2 | 0.0 | 1 | 2048 game clone using Yampa/Gloss | (game, mit, program) | 2015-02-05 | 0.1.0.0 | ksaveljev |
| yandex-translate | 1 | 0.0 | 1 | Bindings to Yandex translate API | (library, mit, network) | 2016-06-22 | 0.1.0.0 | johhy1313 |
| yarn-lock | 19 | 0.0 | 2 | Represent and parse yarn.lock files | (data, library, mit) | 2021-06-26 | 0.6.5 | Profpatsch |
| yarn2nix | 4 | 0.0 | 0 | Convert yarn.lock files to nix expressions | (distribution, library, mit, nix, program) | 2022-03-28 | 0.10.1 | Profpatsch |
| yarr | 17 | 0.0 | 2 | Yet another array library | (data-flow, data-structures, graphics, library, mit) | 2016-06-06 | 1.4.0.2 | DominicSteinitz, RomanLeventov |
| yarr-image-io | 13 | 0.0 | 1 | Image IO for Yarr library | (graphics, library, mit) | 2015-01-05 | 1.3.2.1 | DominicSteinitz, RomanLeventov |
| yeller | 8 | 0.0 | 1 | A Yeller Client For Haskell | (library, mit, network) | 2015-02-24 | 0.1.0.4 | TomCrayford |
| yes-precure5-command | 9 | 0.0 | 1 | Extended yes command to reproduce phrases in Yes! Precure 5. | (acme, library, mit, program) | 2016-10-22 | 5.5.3 | igrep |
| yeshql | 23 | 0.0 | 1 | YesQL-style SQL database abstraction (legacy compatibility wrapper) | (database, library, mit) | 2020-05-25 | 4.2.0.0 | TobiasDammers |
| yeshql-core | 11 | 2.0 | 3 | YesQL-style SQL database abstraction (core) | (database, library, mit) | 2020-05-25 | 4.2.0.0 | TobiasDammers |
| yeshql-hdbc | 12 | 2.0 | 2 | YesQL-style SQL database abstraction (HDBC backend) | (database, library, mit) | 2020-05-25 | 4.2.0.0 | TobiasDammers |
| yeshql-postgresql-simple | 4 | 0.0 | 1 | YesQL-style SQL database abstraction (postgresql-simple backend) | (database, library, mit) | 2020-05-25 | 4.2.0.0 | TobiasDammers |
| yesod | 148 | 2.0 | 50 | Creation of type-safe, RESTful web applications. | (library, mit, web, yesod) | 2022-09-08 | 1.6.2.1 | GregWeber, MichaelSnoyman, psibi, MaxGabriel, parsonsmatt, jgt |
| yesod-auth | 340 | 0.0 | 34 | Authentication for Yesod. | (library, mit, web, yesod) | 2024-04-14 | 1.6.11.3 | FelipeLessa, GregWeber, MichaelSnoyman, psibi, MaxGabriel, parsonsmatt |
| yesod-auth-account | 18 | 0.0 | 1 | An account authentication plugin for Yesod | (library, mit, web) | 2016-08-28 | 1.4.3 | JohnLenz |
| yesod-auth-account-fork | 5 | 0.0 | 1 | An account authentication plugin for Yesod | (library, mit, web) | 2015-10-02 | 2.0.3 | FelipeLessa |
| yesod-auth-bcrypt | 4 | 0.0 | 1 | BCrypt salted and hashed passwords in a database as auth for yesod | (library, mit, web, yesod) | 2015-01-28 | 0.2.0 | olihunt, TobyGoodwin |
| yesod-auth-bcryptdb | 9 | 0.0 | 1 | Authentication plugin for Yesod. | (library, mit, web, yesod) | 2017-11-27 | 0.3.0.1 | yusent |
| yesod-auth-hashdb | 34 | 1.5 | 2 | Authentication plugin for Yesod. | (library, mit, web, yesod) | 2021-05-20 | 1.7.1.7 | paulrouse |
| yesod-auth-hmac-keccak | 7 | 0.0 | 1 | An account authentication plugin for yesod with encrypted token transfer. | (library, mit, web) | 2018-03-19 | 0.0.0.5 | nek0 |
| yesod-auth-ldap-mediocre | 2 | 0.0 | 1 | Very simlple LDAP auth for yesod | (library, mit, web) | 2015-08-19 | 0.1.1 | andrewthad |
| yesod-auth-nopassword | 5 | 2.0 | 1 | A plugin for Yesod to provide email-only authentication. | (library, mit, web) | 2016-12-31 | 0.1.1.1 | danpalmer |
| yesod-auth-oauth2 | 109 | 0.0 | 1 | OAuth 2.0 authentication plugins | (library, mit, web) | 2024-11-05 | 0.7.4.0 | PatrickBrisbin, dukerutledge, mjgpy3, chris_martin, FreckleEngineering, OlaoluwaM |
| yesod-auth-pam | 2 | 0.0 | 1 | Provides PAM authentication module | (library, mit, web, yesod) | 2013-06-13 | 1.0.0.0 | KazuoKoga |
| yesod-auth-smbclient | 2 | 0.0 | 1 | Authentication plugin for Yesod using smbclient | (library, mit, web, yesod) | 2013-06-16 | 2.0.0.0 | KazuoKoga |
| yesod-autoreload | 0 | 0.0 | 0 | Auto-reload a yesod app during development | (library, mit, program, unclassified) | 2021-05-29 | 0.0.0.0 | Norfair |
| yesod-bin | 167 | 0.0 | 1 | The yesod helper executable. | (mit, program, web, yesod) | 2024-02-10 | 1.6.2.3 | GregWeber, MichaelSnoyman, psibi, MaxGabriel, parsonsmatt |
| yesod-bootstrap | 5 | 0.0 | 1 | Bootstrap widgets for yesod | (library, mit, web) | 2017-01-31 | 0.4 | andrewthad |
| yesod-core | 575 | 0.0 | 114 | Creation of type-safe, RESTful web applications. | (library, mit, web, yesod) | 2025-07-08 | 1.6.27.1 | FelipeLessa, GregWeber, MichaelSnoyman, psibi, andrewthad, MaxGabriel, parsonsmatt |
| yesod-crud-persist | 6 | 0.0 | 1 | Flexible CRUD subsite usable with Yesod and Persistent. | (library, mit, web) | 2016-04-15 | 0.3 | andrewthad |
| yesod-csp | 13 | 0.0 | 1 | Add CSP headers to Yesod apps | (library, mit, web) | 2024-03-06 | 0.2.6.0 | PascalWittmann, boblong |
| yesod-default | 33 | 0.0 | 7 | Default config and main functions for your yesod application (deprecated) | (library, mit, web, yesod) | 2013-05-07 | 1.2.0 | MichaelSnoyman |
| yesod-elements | 3 | 0.0 | 2 | Non template haskell markup building function in the spirit of lucid | (library, mit, web) | 2019-07-02 | 1.1.1 | andrewthad |
| yesod-eventsource | 21 | 0.0 | 1 | Server-sent events support for Yesod apps. | (library, mit, web, yesod) | 2020-11-08 | 1.6.0.1 | FelipeLessa, MichaelSnoyman, psibi |
| yesod-fay | 41 | 0.0 | 2 | Utilities for using the Fay Haskell-to-JS compiler with Yesod. | (library, mit, web, yesod) | 2019-04-30 | 0.10.0 | ChrisDone, MichaelSnoyman, swamp_agr |
| yesod-form | 226 | 0.0 | 51 | Form handling support for Yesod Web Framework | (library, mit, web, yesod) | 2024-10-23 | 1.7.9 | FelipeLessa, GregWeber, MichaelSnoyman, psibi, MaxGabriel, parsonsmatt |
| yesod-form-bootstrap4 | 19 | 0.0 | 1 | renderBootstrap4 | (library, mit, web) | 2023-08-05 | 3.0.1.1 | ncaq |
| yesod-form-json | 1 | 0.0 | 1 | Extension for Yesod web framework to handle JSON requests as applicative forms | (library, mit, web, yesod) | 2014-06-25 | 0.0.1 | acheshkov |
| yesod-form-multi | 6 | 0.0 | 0 | Multi-input form handling for Yesod Web Framework | (library, mit, web, yesod) | 2021-04-15 | 1.7.0.2 | MichaelSnoyman, Burtannia |
| yesod-form-richtext | 5 | 0.0 | 1 | Various rich-text WYSIWYG editors for Yesod forms. | (library, mit, web, yesod) | 2017-08-01 | 0.1.0.2 | geraldus |
| yesod-gitrepo | 5 | 0.0 | 1 | Host content provided by a Git repo | (library, mit, web) | 2018-02-05 | 0.3.0 | MichaelSnoyman |
| yesod-json | 31 | 0.0 | 5 | Generate content for Yesod using the aeson package. (deprecated) | (library, mit, web, yesod) | 2013-05-07 | 1.2.0 | FelipeLessa, MichaelSnoyman |
| yesod-media-simple | 6 | 0.0 | 1 | Simple display of media types, served by yesod | (graphics, library, mit) | 2018-04-23 | 0.2.0.1 | MichaelSloan |
| yesod-middleware-csp | 6 | 0.0 | 0 | A middleware for building CSP headers on the fly | (library, mit, web, yesod) | 2023-06-14 | 1.2.0 | Jappie, jgt, Valeri |
| yesod-newsfeed | 26 | 0.0 | 3 | Helper functions and data types for producing News feeds. | (library, mit, web, yesod) | 2019-10-02 | 1.7.0.0 | GregWeber, MichaelSnoyman, PatrickBrisbin, psibi |
| yesod-page-cursor | 17 | 0.0 | 0 | (library, mit, unclassified) | 2022-05-16 | 2.0.1.0 | PatrickBrisbin, dukerutledge, mjgpy3, chris_martin, FreckleEngineering, OlaoluwaM | |
| yesod-pagination | 10 | 0.0 | 1 | Pagination in Yesod | (library, mit, web) | 2014-09-17 | 2.0.0 | JoelTaylor |
| yesod-paginator | 27 | 0.0 | 1 | A pagination approach for yesod | (library, mit, web, yesod) | 2022-06-13 | 1.1.2.2 | PatrickBrisbin |
| yesod-paypal-rest | 2 | 0.0 | 1 | Yesod plugin to use PayPal with the paypal-rest-client library. | (library, mit, yesod) | 2017-01-01 | 0.1.0 | meoblast001 |
| yesod-persistent | 109 | 0.0 | 18 | Some helpers for using Persistent from Yesod. | (database, library, mit, web, yesod) | 2022-04-15 | 1.6.0.8 | MichaelSnoyman, psibi, MaxGabriel, parsonsmatt |
| yesod-platform | 92 | 0.0 | 4 | Meta package for Yesod (deprecated) | (library, mit, web, yesod) | 2014-08-25 | 1.2.13.3 | MichaelSnoyman |
| yesod-pure | 4 | 0.0 | 1 | Yesod in pure Haskell: no Template Haskell or QuasiQuotes (deprecated) | (library, mit, web, yesod) | 2013-12-10 | 0.1.0.2 | MichaelSnoyman |
| yesod-purescript | 26 | 0.0 | 1 | PureScript integration for Yesod | (library, mit, web, yesod) | 2015-03-28 | 0.0.5 | mp |
| yesod-raml | 12 | 0.0 | 2 | RAML style route definitions for Yesod | (library, mit, web, yesod) | 2015-11-06 | 0.2.0 | junjihashimoto |
| yesod-raml-bin | 6 | 0.0 | 1 | The raml helper executable. | (mit, program, web, yesod) | 2015-11-10 | 0.1.2 | junjihashimoto |
| yesod-raml-docs | 10 | 0.0 | 0 | A html documentation generator library for RAML. | (library, mit, web, yesod) | 2015-11-09 | 0.1.1 | junjihashimoto |
| yesod-raml-mock | 7 | 0.0 | 0 | A mock-handler generator library from RAML. | (library, mit, web, yesod) | 2015-11-10 | 0.1.1 | junjihashimoto |
| yesod-recaptcha2 | 16 | 0.0 | 1 | yesod recaptcha2 | (library, mit, web) | 2023-08-05 | 1.0.2.1 | ncaq |
| yesod-routes (deprecated in favor of yesod-core) | 66 | 0.0 | 9 | Efficient routing for Yesod. (deprecated) | (deprecated, library, mit, web, yesod) | 2014-07-26 | 1.2.0.7 | MichaelSnoyman |
| yesod-routes-flow | 15 | 0.0 | 1 | Generate Flow routes for Yesod | (library, mit, web) | 2022-03-31 | 3.0.0.2 | PatrickBrisbin, dukerutledge, mjgpy3, chris_martin, FreckleEngineering, OlaoluwaM |
| yesod-routes-typescript | 1 | 0.0 | 1 | generate TypeScript routes for Yesod | (library, mit, web) | 2014-04-16 | 0.3.0.0 | GregWeber |
| yesod-s3 (deprecated) | 3 | 0.0 | 1 | Simple Helper Library for using Amazon's Simple Storage Service (S3) with Yesod | (deprecated, library, mit, yesod) | 2014-05-12 | 0.1.1 | TvH |
| yesod-session-persist | 5 | 0.0 | 0 | SQL session backend for Yesod | (library, mit, web) | 2024-03-06 | 0.0.0.2 | PatrickBrisbin, dukerutledge, mjgpy3, chris_martin, FreckleEngineering, OlaoluwaM |
| yesod-sitemap | 19 | 0.0 | 1 | Generate XML sitemaps. | (library, mit, web, yesod) | 2018-02-02 | 1.6.0 | MichaelSnoyman, psibi |
| yesod-static | 185 | 0.0 | 17 | Static file serving subsite for Yesod Web Framework. | (library, mit, web, yesod) | 2020-07-06 | 1.6.1.0 | FelipeLessa, MichaelSnoyman, psibi |
| yesod-static-angular | 11 | 0.0 | 1 | Yesod generators for embedding AngularJs code into yesod-static at compile time | (library, mit, web) | 2016-04-11 | 0.1.8 | JohnLenz |
| yesod-static-remote | 1 | 0.0 | 0 | (library, mit, unclassified) | 2019-06-24 | 0.0.0.0 | Norfair | |
| yesod-table (deprecated in favor of colonnade, yesod-colonnade) | 18 | 0.0 | 1 | HTML tables for Yesod | (deprecated, library, mit, web) | 2016-03-28 | 2.0.3 | andrewthad |
| yesod-test | 252 | 0.0 | 6 | integration testing for WAI/Yesod Applications | (library, mit, testing, web, yesod) | 2025-06-06 | 1.6.23 | GregWeber, MichaelSnoyman, psibi, MaxGabriel, parsonsmatt, jgt |
| yesod-tls | 2 | 0.0 | 1 | Provides main functions using warp-tls for yesod projects | (library, mit, web, yesod) | 2014-10-05 | 1.4.1 | netom |
| yesod-transloadit | 18 | 2.0 | 1 | Transloadit support for Yesod | (library, mit, web) | 2015-11-16 | 0.7.1.0 | boblong |
| yesod-websockets | 53 | 0.0 | 3 | WebSockets support for Yesod | (library, mit, web) | 2021-04-03 | 0.3.0.3 | MichaelSnoyman, psibi |
| yi-solarized | 2 | 0.0 | 1 | Solarized colour theme for the Yi text editor | (editor, library, mit) | 2015-06-02 | 0.1.1 | Norfair |
| yield | 2 | 0.0 | 0 | YieldT monad transformer | (library, mit, streaming) | 2024-11-26 | 0.0.0.0 | PatrickBrisbin, dukerutledge, mjgpy3, chris_martin, FreckleEngineering, OlaoluwaM |
| yocto | 5 | 0.0 | 1 | A Minimal JSON Parser & Printer for Haskell | (library, mit, text) | 2014-02-10 | 1.0.1 | ajg |
| yoctoparsec | 3 | 0.0 | 1 | A truly tiny monadic parsing library | (library, mit, parsing) | 2016-02-04 | 0.1.0.0 | mniip |
| yosys-rtl | 5 | 0.0 | 0 | Yosys RTL Intermediate Language | (language, library, mit) | 2024-08-07 | 0.1.0.1 | dopamane |
| z3-encoding | 2 | 0.0 | 2 | High-level assertion encoding to Z3 solver | (language, library, mit) | 2016-07-05 | 0.3.0.0 | izgzhen |
| zenacy-html | 11 | 0.0 | 0 | A standard compliant HTML parsing library | (library, mit, program, web) | 2024-12-27 | 2.1.2 | mlcfp |
| zenacy-unicode | 4 | 0.0 | 0 | Unicode utilities for Haskell | (library, mit, web) | 2024-12-27 | 1.0.3 | mlcfp |
| zendesk-api | 2 | 0.0 | 1 | Zendesk API for Haskell programming language. | (api, library, mit) | 2014-08-02 | 0.1.0.0 | VictorDenisov |
| zenhack-prelude | 3 | 0.0 | 3 | @zenhack's personal custom prelude | (library, mit, unclassified) | 2019-02-23 | 0.1.1.0 | isd |
| zeno | 5 | 0.0 | 1 | An automated proof system for Haskell programs | (mit, program, theorem-provers) | 2011-04-28 | 0.2.0.1 | WilliamSonnex |
| zerobin | 5 | 1.5 | 0 | Post to 0bin services | (cryptography, library, mit, web) | 2017-06-08 | 1.5.2 | ip1981 |
| zeromq-haskell | 26 | 0.0 | 10 | Bindings to ZeroMQ 2.1.x | (ffi, library, mit, system) | 2012-03-08 | 0.8.4 | ToralfWittner |
| zeromq3-haskell | 43 | 0.0 | 5 | Bindings to ZeroMQ 3.x | (ffi, library, mit, system) | 2014-02-12 | 0.5.2 | ToralfWittner |
| zeromq4-haskell | 64 | 2.0 | 21 | Bindings to ZeroMQ 4.x | (ffi, library, mit, system) | 2019-03-03 | 0.8.0 | ToralfWittner |
| zifter (deprecated) | 15 | 0.0 | 6 | zifter | (deprecated, library, mit, zift) | 2018-05-09 | 0.0.1.8 | Norfair |
| zifter-cabal (deprecated) | 8 | 0.0 | 1 | zifter-cabal | (deprecated, library, mit, zift) | 2017-12-20 | 0.0.0.3 | Norfair |
| zifter-git (deprecated) | 3 | 0.0 | 1 | zifter-git | (deprecated, library, mit, zift) | 2017-12-20 | 0.0.0.1 | Norfair |
| zifter-google-java-format (deprecated) | 2 | 0.0 | 1 | zifter-google-java-format | (deprecated, library, mit, zift) | 2017-12-20 | 0.0.0.1 | Norfair |
| zifter-hindent (deprecated) | 4 | 0.0 | 1 | zifter-hindent | (deprecated, library, mit, zift) | 2017-12-20 | 0.0.0.2 | Norfair |
| zifter-hlint (deprecated) | 1 | 0.0 | 1 | zifter-hlint | (deprecated, library, mit, zift) | 2017-12-20 | 0.0.0.1 | Norfair |
| zifter-stack (deprecated) | 11 | 0.0 | 1 | zifter-stack | (deprecated, library, mit, zift) | 2018-01-11 | 0.0.0.10 | Norfair |
| zipkin | 1 | 0.0 | 1 | Zipkin-style request tracing monad | (library, mit, network) | 2015-11-12 | 0.1.0.0 | srijs |
| zipper-extra | 19 | 0.0 | 2 | Zipper utils that weren't in Control.Comonad.Store.Zipper | (comonads, library, mit) | 2020-08-28 | 0.1.3.2 | locallycompact |
| zlib-enum | 10 | 0.0 | 8 | Enumerator interface for zlib compression | (codec, compression, enumerator, mit) | 2014-05-20 | 0.2.3.1 | MalteSommerkorn |
| zuramaru | 1 | 0.0 | 0 | A lisp processor, An inline-lisp, in Haskell | (library, mit, program, simple) | 2018-01-21 | 0.1.0.0 | aiya000 |
| zxcvbn-dvorak | 1 | 0.0 | 0 | Password strength estimation based on zxcvbn. | (library, mit, system) | 2019-09-12 | 0.1.0.0 | PeterJones |
| zxcvbn-hs | 23 | 0.0 | 2 | Password strength estimation based on zxcvbn. | (library, mit, program, system) | 2023-09-11 | 0.3.6 | PeterJones, Jappie |
| zyre2 | 1 | 0.0 | 0 | Haskell zyre bindings for reliable group messaging over local area networks. | (library, mit, program, web) | 2022-04-29 | 0.1.1.0 | skrio |