Packages tagged bsd3

9551 packages have this tag.

[Merge tag] (trustees only)

Related tags: library (8767), program (1900), data (1558), web (1193), deprecated (733), text (576), control (538), development (482), system (477), network (475), math (444), language (437), graphics (364), database (321), data-structures (234), unclassified (233), testing (203), concurrency (151), parsing (145), game (132), codec (126), generics (106), cryptography (97), compilers-interpreters (87), distribution (86), algorithms (82), ffi (79), frp (76), sound (75), natural-language-processing (72), monads (62), ai (57), music (56), utils (56), xml (56), json (53), console (52), user-interfaces (52), servant (50), foreign (49), conduit (47), pipes (47), prelude (47), compiler (46), machine-learning (46), hardware (43), distributed-computing (42), numeric (40), lenses (39), numerical (39), yesod (38), gui (37), algebra (35), dependent-types (34), logging (33), type-system (33), parallelism (32), template-haskell (32), snap (31), application (30), debug (30), finance (30), acme (29), 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graph (5), interfaces (5), irc (5), media (5), mit (5), nlp (5), phantom-types (5), spam (5), stratux (5), symbolic-computation (5), syntax (5), tar (5), template (5), tool (5), ui (5), unicode (5), build (4), charts (4), codecs (4), command-line (4), command-line-tools (4), compilers (4), debugging (4), effects (4), elm (4), eventsourcing (4), games (4), gemini (4), ide (4), latex (4), microcontroller (4), n2o (4), options (4), polymorphism (4), polysemy (4), profunctors (4), software (4), stm32 (4), svg (4), typography (4), user-interface (4), userinterface (4), util (4), value (4), xmonad (4), aeson (3), algorithm (3), animation (3), argumentation (3), bindings (3), bioinformatics- (3), bytestring (3), category-theory (3), classification (3), commandline (3), data- (3), debian (3), disassembler (3), docker (3), exceptions (3), experimental (3), font (3), format (3), framework (3), google (3), graphql (3), hash (3), haskell2010 (3), hkd (3), monitoring (3), mutable-state (3), net 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(1), composite (1), computer-algebra (1), concourse (1), constraint (1), contract (1), control-language (1), control. (1), control.monad (1), control.parallel.eden (1), conversion (1), csharp (1), customsetup (1), data-mining----------- (1), data-network (1), data-processing (1), database- (1), dataflow (1), date (1), decoder (1), dependency-injection (1), devops (1), dfinity (1), dhall-pandoc (1), diagram (1), diffing (1), digest (1), dijkstra (1), distrbution (1), dns (1), ...

Name
DLs
Rating
Description
Tags
Last U/L
Maintainer
3d-graphics-examples341.75Examples of 3D graphics programming with OpenGL (bsd3, fractals, graphics, program)2016-07-22WolfgangJeltsch
4Blocks160.0A tetris-like game (works with GHC 6.8.3 and Gtk2hs 0.9.13) (bsd3, game, program)2010-05-07AndrewCalleja
ABList240.0An alternating list of two types (bsd3, data, library)2014-06-23DylanJust
AC-Angle610.0Angles in degrees and radians. (bsd3, data, library, math, numerical)2010-07-23AndrewCoppin
AC-Boolean150.0Handle Boolean values generatically. (bsd3, data, library, logic, math)2010-11-09AndrewCoppin
AC-BuildPlatform170.0Detect which OS you're running on. (bsd3, library, system)2011-06-08AndrewCoppin
AC-Colour440.0Efficient RGB colour types. (bsd3, data, graphics, library, math, numerical)2014-01-12AndrewCoppin
AC-EasyRaster-GTK250.0GTK+ pixel plotting. (bsd3, graphics, library)2010-10-28AndrewCoppin
AC-HalfInteger140.0Efficient half-integer type. (bsd3, data, library, math, numerical)2009-08-12AndrewCoppin
AC-MiniTest110.0A simple test framework. (bsd3, library, testing)2012-02-24AndrewCoppin
AC-PPM150.0Trivial package for writing PPM images. (bsd3, codec, graphics, library)2010-01-18AndrewCoppin
AC-Random100.0A pure Haskell PRNG. (bsd3, library, random)2011-08-25AndrewCoppin
AC-Terminal100.0Trivial wrapper over ansi-terminal. (bsd3, data, library, math, numerical)2010-10-28AndrewCoppin
AC-VanillaArray130.0Immutable arrays with plain integer indicies. (bsd3, data, library)2010-01-17AndrewCoppin
AC-Vector770.0Efficient geometric vectors and transformations. (bsd3, data, graphics, library, math, numerical)2011-08-12AndrewCoppin
AC-Vector-Fancy420.0Fancy type-system stuff for AC-Vector (bsd3, data, graphics, library, math, numerical)2010-08-15AndrewCoppin
ACME152.25Essential features (acme, bsd3, library)2015-01-02JamesCandy
ADPfusion1580.0Efficient, high-level dynamic programming. (algorithms, bioinformatics, bsd3, data-structures, formal-languages, library)2019-10-01ChristianHoener
ADPfusionForest110.0Dynamic programming on tree and forest structures (bioinformatics, bsd3, formal-languages, library)2017-11-23ChristianHoener
ADPfusionSet190.0Dynamic programming for Set data structures. (algorithms, bioinformatics, bsd3, data-structures, formal-languages, library)2017-10-19ChristianHoener
AERN-Basics (deprecated in favor of aern2-mp, aern2-real)190.0foundational type classes for approximating exact real numbers (bsd3, data, deprecated, library, math, program)2011-05-11MichalKonecny
AERN-Net (deprecated in favor of aern2-mp, aern2-real)220.0Compositional lazy dataflow networks for exact real number computation (bsd3, deprecated, distributed-computing, library, math)2009-07-29MichalKonecny
AERN-Real (deprecated in favor of aern2-mp, aern2-real)1210.0arbitrary precision real interval arithmetic (bsd3, data, deprecated, library, math)2011-05-11MichalKonecny
AERN-Real-Double (deprecated in favor of aern2-mp, aern2-real)200.0arbitrary precision real interval arithmetic (bsd3, data, deprecated, library, math, program)2011-05-11MichalKonecny
AERN-Real-Interval (deprecated in favor of aern2-mp, aern2-real)180.0arbitrary precision real interval arithmetic (bsd3, data, deprecated, library, math)2011-05-11MichalKonecny
AERN-RnToRm (deprecated)620.0polynomial function enclosures (PFEs) approximating exact real functions (bsd3, data, deprecated, library, math)2009-07-29MichalKonecny
AERN-RnToRm-Plot (deprecated)540.0GL plotting of polynomial function enclosures (PFEs) (bsd3, data, deprecated, library, math)2009-08-01MichalKonecny
AES710.0Fast AES encryption/decryption for bytestrings (bsd3, cryptography, library)2014-05-07SveinOveAas
AGI340.0A library for writing AGI scripts for Asterisk (bsd3, library, network)2009-12-07JeremyShaw
ALUT910.0A binding for the OpenAL Utility Toolkit (bsd3, library, sound)2019-06-10StephenBlackheath, SvenPanne
AMI60.0Low-level bindings for Asterisk Manager Interface (AMI). (bsd3, library, network)2012-01-16IlyaPortnov
ANum230.0Num instance for Applicatives provided via the ANum newtype (bsd3, data, library)2018-02-13DanBurton
ASN1120.0ASN.1 support for Haskell (bsd3, language, library)2008-06-22HerbertValerioRiedel
AVar (deprecated)280.0Mutable variables with Exception handling and concurrency support. (bsd3, concurrency, deprecated, library)2009-12-08AlexMason
AWin32Console80.0A binding to a part of the ANSI escape code for the console (bsd3, library, system)2010-01-24HaraldWolfsgruber
AbortT-monadstf140.0Monads-tf instances for the AbortT monad transformer. (bsd3, control, library)2012-12-07GregoryCrosswhite
AbortT-mtl150.0mtl instances for the AbortT monad transformer (bsd3, control, library)2016-02-06GregoryCrosswhite
AbortT-transformers300.0A monad and monadic transformer providing "abort" functionality (bsd3, control, library)2019-07-19GregoryCrosswhite
ActionKid150.0An easy-to-use video game framework for Haskell. (bsd3, game-engine, library, program)2014-11-11AdityaBhargava
Adaptive200.0Library for incremental computing. (algorithms, bsd3, library, program)2013-01-28DustinDeWeese, MagnusCarlsson, PeterJonsson
Adaptive-Blaisorblade100.0Library for incremental computing. (bsd3, control, library, program)2013-01-26PaoloGiarrusso
Advgame150.0Lisperati's adventure game in Lisp translated to Haskell (bsd3, game, program)2010-06-11TimWawrzynczak
Agata (deprecated in favor of testing-feat)300.0Generator-generator for QuickCheck (bsd3, deprecated, library, testing)2012-08-01JonasDuregard
AhoCorasick190.0Aho-Corasick string matching algorithm (bsd3, library, text)2012-11-09SergeyLymar
AlanDeniseEricLauren120.0Find the minimal subset/submap satisfying some property. (algorithms, bsd3, library)2016-08-24EchoNolan
AlgoRhythm80.0Algorithmic music composition (algorithmic-music-composition, automatic-music-generation, bsd3, chaos-music, generative-music-grammars, library, program)2018-04-06omelkonian
AlgorithmW210.0Example implementation of Algorithm W for Hindley-Milner type inference. (bsd3, development, program)2015-05-27MartinGrabmueller
AndroidViewHierarchyImporter50.0Android view hierarchy importer (bsd3, development, program)2012-12-19alpheccar
Animas60.0Updated version of Yampa: a library for programming hybrid systems. (bsd3, frp, library, reactivity)2011-03-27EdwardAmsden
Annotations360.0Constructing, analyzing and destructing annotated trees (bsd3, generics, library)2016-12-05MartijnVanSteenbergen
Ansi2Html100.0Convert ANSI Terminal Sequences to nice HTML markup (bsd3, program, web)2011-09-10JensStimpfle
Aoide140.0A simple music library with the capability of generating .ly and .mid files. (bsd3, composition, library, music)2020-07-07Liisi_Kerik
ApplePush80.0Library for Apple Push Notification Service (bsd3, library, network, program)2009-07-13ChrisMoos
AppleScript260.0Call AppleScript from Haskell, and then call back into Haskell. (bsd3, foreign)2012-02-15ReinerPope, WouterSwierstra
ApproxFun-hs60.0Function approximation (bsd3, library, math)2015-04-26DominicSteinitz
ArrayRef270.0Unboxed references, dynamic arrays and more (bsd3, data, library)2009-06-26GwernBranwen
AttoBencode210.0Fast Bencode encoding and parsing library (bsd3, data, library)2014-06-24FlorianHartwig
AttoJson (deprecated in favor of aeson)440.0Simple lightweight JSON parser, generator & manipulator based on ByteString (bsd3, deprecated, library, text)2011-02-03HiromiIshii
Attrac160.0Visualisation of Strange Attractors in 3-Dimensions (bsd3, graphics, program)2010-03-15RubenZilibowitz
Aurochs60.0Yet another parser generator for C/C++ (bsd3, development, program)2011-11-08XinyuJiang
AvlTree400.0Balanced binary trees using the AVL algorithm. (bsd3, data-structures, library)2008-08-29AdrianHey
BASIC352.0Embedded BASIC (bsd3, language, library)2009-02-09LennartAugustsson
BNFC4162.0A compiler front-end generator. (bsd3, library, parsing, program)2021-10-01AndreasAbel, GregoireDetrez, MarkusForsberg, ThomasHallgren
Befunge9390.0An interpreter for the Befunge-93 Programming Language (bsd3, compilers-interpreters, program)2010-05-20BrandonSimmons
BerkeleyDB690.0Berkeley DB binding (bsd3, database, library)2013-03-13JohnMcCall, StephenBlackheath
BerkeleyDBXML450.0Berkeley DB XML binding (bsd3, database, library)2011-09-06StephenBlackheath
BerlekampAlgorithm50.0Factorization of polynomials over finite field (bsd3, library, math)2013-06-10AbdelwahebMiled
BigPixel130.0Image editor for pixel art (bsd3, development, program)2014-01-24ManuelChakravarty
BinderAnn70.0Source-to-source plugin for enhancing EDSLs with static annotations (bsd3, compiler-plugin, library)2020-03-19agustinmista
Binpack230.0Common bin-packing heuristics. (algorithms, bsd3, heuristics, library)2014-02-07BjoernBrandenburg, DavidFeng
BiobaseENA70.0European Nucleotide Archive data (bsd3, data, library)2021-06-04ChristianHoener
BiobaseFasta510.0streaming FASTA parser (bioinformatics, bsd3, library, program)2021-06-04ChristianHoener
BiobaseNewick150.0Newick file format parser. (bioinformatics, bsd3, library, program)2017-07-07ChristianHoener
BiobaseTypes580.0Collection of types for bioinformatics (bioinformatics, bsd3, data-structures, library)2021-06-04ChristianHoener
BiobaseXNA1370.0Efficient RNA/DNA/Protein Primary/Secondary Structure (bioinformatics, bsd3, library, program)2021-06-04ChristianHoener
BitStringRandomMonad320.0 (bsd3, crypto, library)2018-03-03Ofenhed
BitSyntax290.0A module to aid in the (de)serialisation of binary data (bsd3, library, serialization)2021-01-17AdamLangley, joecrayne
Bitly (deprecated)450.0A library to access bit.ly URL shortener. (bsd3, deprecated, library, web)2012-02-02SergeyAstanin
BlogLiterately-diagrams690.0Include images in blog posts with inline diagrams code (bsd3, library, program, web)2019-03-05BrentYorgey
BluePrintCSS (deprecated)80.0Html document layout library. (bsd3, deprecated, library, text, web)2010-08-03SergeyMironov
Blueprint40.0Preview of a new build system. (bsd3, distribution, library)2009-11-30GregoryCrosswhite
Boolean2890.0Generalized booleans and numbers (bsd3, data, library)2017-02-19ConalElliott
BoundedChan460.0Implementation of bounded channels. (bsd3, concurrency, library)2014-05-14AdamWick
Bravo90.0Static text template generation library (bsd3, library, text)2010-03-24MatthiasReisner
CC-delcont-alt320.0Three new monad transformers for multi-prompt delimited control (bsd3, control, library)2012-10-23KidoTakahiro
CC-delcont-cxe170.0A monad transformers for multi-prompt delimited control (bsd3, control, library)2011-10-12KidoTakahiro
CC-delcont-exc70.0A monad transformers for multi-prompt delimited control (bsd3, control, library)2011-10-12KidoTakahiro
CC-delcont-ref110.0A monad transformers for multi-prompt delimited control using refercence cells (bsd3, control, library)2011-10-12KidoTakahiro
CC-delcont-ref-tf130.0A monad transformers for multi-prompt delimited control using refercence cells (bsd3, control, library)2011-10-18KidoTakahiro
CCA250.0preprocessor and library for Causal Commutative Arrows (CCA) (bsd3, development, library, program)2015-05-08PaulLiu
CHXHtml290.0A W3C compliant (X)HTML generating library (bsd3, library, web)2011-07-26PaulTalaga
CLASE240.0Cursor Library for A Structured Editor (bsd3, data, library)2009-02-11TristanAllwood
CLI70.0CLI tools (bsd3, data, library)2015-03-10g960059
CMQ30.0cwmwl udp message queue (bsd3, library, system)2012-07-02JoergFritsch
COrdering130.0An algebraic data type similar to Prelude Ordering. (bsd3, data, library)2008-07-23AdrianHey
CPBrainfuck110.0A simple Brainfuck interpretter. (bsd3, compilers-interpreters, program)2008-11-06ThomasDavie
CPL150.0An interpreter of Hagino's Categorical Programming Language (CPL). (bsd3, compilers-interpreters, program)2018-02-16MasahiroSakai
CSPM-CoreLanguage430.0Definition of a CSP core-language. (bsd3, concurrency, formal-methods, language, library)2017-10-26MarcFontaine
CSPM-FiringRules270.0Firing rules semantic of CSPM (bsd3, concurrency, formal-methods, language, library)2017-10-26MarcFontaine
CSPM-Frontend600.0A CSP-M parser compatible with FDR-2.91 (bsd3, concurrency, formal-methods, language, library)2017-10-26MarcFontaine
CSPM-Interpreter580.0An interpreter for CSPM (bsd3, concurrency, formal-methods, language, library)2017-10-26MarcFontaine
CSPM-ToProlog170.0some modules specific for the ProB tool (bsd3, formal-methods, library)2017-10-26MarcFontaine
CSPM-cspm680.0cspm command line tool for analyzing CSPM specifications. (bsd3, concurrency, formal-methods, language, library, program)2017-10-26MarcFontaine
CTRex100.0Open records using closed type families. (bsd3, data, data-structures, library)2014-11-13AtzeVanDerPloeg
Cabal29712.5A framework for packaging Haskell software (bsd3, distribution, library)2021-10-08AndresLoeh, BenGamari, DuncanCoutts, HerbertValerioRiedel, MikhailGlushenkov, phadej, Bodigrim, topos
Cabal-ide-backend (deprecated in favor of Cabal)80.0A framework for packaging Haskell software (bsd3, deprecated, distribution, library)2015-03-30MichaelSnoyman
CabalSearch70.0Search cabal packages by name (bsd3, program, utils)2012-01-26JohanBrinch
Capabilities80.0Separate and contain effects of IO monad. (bsd3, generics, library, security)2013-08-08BaldurBlondal
CarneadesDSL330.0An implementation and DSL for the Carneades argumentation model. (ai, argumentation, bsd3, embedded, library)2014-05-01BasVanGijzel
CarneadesIntoDung70.0A translation from the Carneades argumentation model into Dung's AFs. (ai, argumentation, bsd3, embedded, library, program)2014-05-03BasVanGijzel
Cassava (deprecated in favor of cassava)81.75A CSV parsing and encoding library (bsd3, csv, deprecated, library, text, web)2017-09-30fozworth
Catana60.0A monad for complex manipulation of a stream. (bsd3, control, library)2012-02-22DustinDeWeese
ChannelT350.0Generalized stream processors (bsd3, control, enumerator, iteratee, library, pipes, proxies)2018-01-28pthariensflame
Chart3082.25A library for generating 2D Charts and Plots (bsd3, graphics, library)2020-01-19TimDocker, bravit
Chart-cairo3330.0Cairo backend for Charts. (bsd3, graphics, library)2020-01-19TimDocker, bravit
Chart-diagrams2920.0Diagrams backend for Charts. (bsd3, graphics, library)2020-01-19TimDocker, bravit
Chart-fltkhs80.0A backend for the Chart library for FLTKHS (bsd3, graphics, library)2020-03-02empowerg
Chart-gtk1300.0Utility functions for using the chart library with GTK (bsd3, graphics, library)2020-01-19TimDocker, bravit
Chart-gtk360.0Utility functions for using the chart library with GTK (bsd3, graphics, library)2020-01-19bravit
Chart-simple (deprecated)370.0A wrapper for the chart library to assist with basic plots (Deprecated - use the Easy module instead) (bsd3, deprecated, graphics, library)2015-01-17TimDocker
Chart-tests50.0Tests of the Charts library. (bsd3, graphics, program)2020-01-19bravit
CheatSheet930.0A Haskell cheat sheet in PDF and literate formats. (bsd3, help, program)2013-07-22JustinBailey
Checked130.0Inbuilt checking for ultra reliable computing (bsd3, data, library)2012-11-05RobertOnslow
Chitra140.0A platform independent mechanism to render graphics using vnc. (bsd3, graphics, program)2011-05-01KashyapChatamballi
Clash-Royale-Hack-Cheats (deprecated)00.0spam (bsd3, deprecated, library, web)2018-02-22
ClassLaws190.0Stating and checking laws for type class methods (bsd3, library, testing)2012-09-14PatrikJansson
ClassyPrelude70.0Prelude replacement using classes instead of concrete types where reasonable (bsd3, control, data, library)2010-05-31SveinOveAas
Clean (deprecated in favor of definitive-base)80.0A light, clean and powerful utility library (bsd3, control, deprecated, library)2013-06-10MarcCoiffier
Clipboard570.0System clipboard interface. (bsd3, library, system)2017-07-06DanielDiaz
Coadjute (deprecated)120.0A generic build tool (bsd3, deprecated, development, library)2011-03-17MattiNiemenmaa
Codec-Compression-LZF140.0LZF compression bindings. (bsd3, codec, library)2007-07-06DonaldStewart
Codec-Image-DevIL320.0An FFI interface to the DevIL library (bsd3, codecs, library)2017-06-22LukePalmer
Color2042.0Color spaces and conversions between them (bsd3, graphics, library)2021-10-11lehins
Combinatorrent260.0A concurrent bittorrent client (bsd3, network, program)2010-05-06JesperLouisAndersen
Command (deprecated in favor of system-command)310.0A replacement for System.Exit and System.Process (bsd3, deprecated, library, system)2012-07-28TonyMorris
ComonadSheet90.0A library for expressing spreadsheet-like computations as the fixed-points of comonads. (bsd3, control, library)2014-06-28kwf
Compactable (deprecated in favor of compactable)170.0A generalization for containers that can be stripped of Nothing (bsd3, control, deprecated, library)2017-03-06fresheyeball
Concurrent-Cache332.0A Cached variable for IO functions. (bsd3, concurrency, library)2016-07-23Ofenhed
Concurrential250.0Mix concurrent and sequential computation (bsd3, control, library)2015-09-04alexvieth
Condor70.0Information retrieval library (bsd3, library, program, search, text)2014-01-20klangner
ConfigFile1220.0Configuration file reading & writing (bsd3, library, parsing)2014-10-30JohnGoerzen
ConsStream70.0Trivial re-export of Wouter Swierstra's Stream package, avoiding module name clash. (bsd3, data, library)2012-04-16ConalElliott
ConstraintKinds230.0Repackages standard type classes with the ConstraintKinds extension (bsd3, control, library)2014-05-20MikeIzbicki
Consumer20.0A monad and monad transformer for consuming streams (bsd3, library, monads)2009-10-27JeremyShaw
ContArrow230.0Control.Arrow.Transformer.Cont (bsd3, control, library)2009-09-21EvgenyJukov
ContextAlgebra140.0Implementation of the context algebra. (bsd3, math, program)2016-08-24jhahn
Contract90.0Practical typed lazy contracts. (bsd3, development, library)2012-07-19OlafChitil
Control-Engine (deprecated)350.0A parallel producer/consumer engine (thread pool) (bsd3, control, deprecated, library)2009-08-18ThomasDuBuisson
Control-Monad-MultiPass80.0A Library for Writing Multi-Pass Algorithms. (bsd3, control, library)2013-06-14KevinBackhouse
Control-Monad-ST280.0A variation on the ST monad with two type parameters. (bsd3, control, library)2013-06-11KevinBackhouse
CoreDump180.0A GHC plugin for printing GHC's internal Core data structures. (bsd3, ghc, library)2015-10-25OmerAgacan
CoreErlang140.0Manipulating Core Erlang source code (bsd3, language, library)2018-03-20AlexKropivny, HenriqueFerreiro
CoreFoundation30.0Bindings to Mac OSX's CoreFoundation framework (bsd3, library, system)2012-03-01ReinerPope
Coroutine80.0Type-safe coroutines using lightweight session types. (bsd3, control, library)2008-12-18RyanIngram
CouchDB630.0CouchDB interface (bsd3, database, library)2020-07-03GaneshSittampalam, SimonMichael
CurryDB100.0CurryDB: In-memory Key/Value Database (bsd3, database, library, program)2013-01-30HideyukiTanaka
DBFunctor340.0DBFunctor - Functional Data Management => ETL/ELT Data Processing in Haskell (bsd3, data-processing, etl, library, program)2021-05-23nkarag
DBlimited100.0A command-line SQL interface for flat files (tdf,csv,etc.) (bsd3, database, program)2010-12-06JohnMayer
DBus210.0D-Bus bindings (bsd3, desktop, library, network)2014-08-12AlexanderKojevnikov, DavidHimmelstrup, GwernBranwen
DOM110.0DOM Level 2 bindings for the WebBits package. (bsd3, library, web)2009-04-26DmitryGolubovsky
DP50.0Pragmatic framework for dynamic programming (algorithms, bsd3, library, math, natural-language-processing)2010-03-08SashaRush
DPutils360.0utilities for DP (bsd3, data, library)2021-06-04ChristianHoener
DRBG810.0Deterministic random bit generator (aka RNG, PRNG) based HMACs, Hashes, and Ciphers. (bsd3, cryptography, library)2015-11-12ThomasDuBuisson
DSA120.0Implementation of DSA, based on the description of FIPS 186-4 (bsd3, codec, cryptography, library)2017-02-26AdamWick
DSH1110.0Database Supported Haskell (bsd3, database, library, program)2015-06-03GeorgeGiorgidze, JeroenWeijers, AlexUlrich, AlexUlrich2
DTC170.0Data To Class transformation. (bsd3, language, library)2013-04-21DanielDiaz
Data-Angle60.0Geometric angles (bsd3, data, library, math)2017-03-26deadmanswitch
Data-Hash-Consistent120.0Provide a simple consistent hashing mechanism (bsd3, data, library)2012-11-20BradClawsie
DataTreeView110.0A GTK widget for displaying arbitrary Data.Data.Data instances (bsd3, debug, development, gui, library)2012-06-18DanielSchuessler
Decimal2350.0Decimal numbers with variable precision (bsd3, library, math)2021-03-14PaulJohnson
DeepArrow470.0Arrows for "deep application" (bsd3, combinators, control, library)2013-08-13ConalElliott
DescriptiveKeys120.0A library for specifying xmonad key bindings with functionality. (bsd3, library, system)2012-11-18TonyMorris
Dflow90.0Processing Real-time event streams (bsd3, library, reactivity)2012-04-29PaulJohnson
Diff7220.0O(ND) diff algorithm in haskell. (algorithms, bsd3, library)2019-09-22DavidFox, SterlingClover
DifferenceLogic140.0A theory solver for conjunctions of literals in difference logic (bsd3, library, math)2014-11-05dillonhuff
Digit (deprecated in favor of digit)110.0A data-type representing digits 0-9 (bsd3, data, deprecated, library)2011-09-06TonyMorris
DimensionalHash250.0An n-dimensional hash using Morton numbers. (algorithms, bsd3, data, library)2011-05-10GhassenHamrouni
DirectSound90.0Partial binding to the Microsoft DirectSound API. (bsd3, library, sound)2013-11-04BalazsKomuves
DisTract60.0Distributed Bug Tracking System (bsd3, library, program, system)2008-02-17GwernBranwen
Dish240.0Hash modules (currently Murmur3) (bsd3, data, library, program)2017-11-29zcourts
DistanceTransform80.0Distance transform function. (bsd3, library, math)2013-02-16AnthonyCowley
DistanceUnits80.0A comprehensive distance library (bsd3, data, library)2013-08-26MattGambogi
Docs20.0Documentation types library. (bsd3, documentation, library)2010-07-24DanielDiaz
DrHylo90.0A tool for deriving hylomorphisms (bsd3, language, library, program)2008-12-09HugoPacheco
DrIFT110.0Program to derive type class instances (bsd3, data-structures, library, program)2013-11-11KiwamuOkabe
DrIFT-cabalized (deprecated in favor of DrIFT)280.0Program to derive type class instances (bsd3, data-structures, deprecated, program)2013-09-03GwernBranwen, KiwamuOkabe
Dung110.0An implementation of the Dung argumentation frameworks. (ai, argumentation, bsd3, embedded, library, program)2015-03-30BasVanGijzel
DysFRP30.0dysFunctional Reactive Programming (bsd3, frp, library)2012-02-29MarekMaterzok
DysFRP-Cairo80.0dysFunctional Reactive Programming on Cairo (bsd3, frp, library)2012-02-29MarekMaterzok
DysFRP-Craftwerk130.0dysFunctional Reactive Programming on Craftwerk (bsd3, frp, library)2012-02-29MarekMaterzok
EEConfig60.0ExtremlyEasyConfig - Extremly Simple parser for config files (bsd3, library, parsing)2008-11-17BartoszWojcik
ENIG150.0Auto Korean conjugator/adjustor/adopter/converter (bsd3, library, natural-language-processing)2019-05-14yongjoon
Earley1030.0Parsing all context-free grammars using Earley's algorithm. (bsd3, library, parsing)2019-02-24OlleFredriksson, phadej
Ebnf2ps420.0Peter's Syntax Diagram Drawing Tool (bsd3, language, program)2015-08-26PeterThiemann, FranklinChen
Eight-Ball-Pool-Hack-Cheats (deprecated)00.0spam (bsd3, deprecated, library, web)2018-02-22
EitherT (deprecated in favor of either)210.0EitherT monad transformer (bsd3, control, deprecated, library)2012-04-22EyalLotem
Elm (deprecated in favor of elm-compiler)1630.0The Elm language module. (bsd3, compiler, deprecated, language, library, program)2014-09-22EvanCzaplicki
Empty110.0A type class for empty containers (bsd3, control, library)2017-03-02fresheyeball
Enum (deprecated)130.0Non-crashing `Enum` operations (bsd3, deprecated, library, unclassified)2019-12-11
EnumContainers60.0Simple Enum-class-based int containers (bsd3, data, library)2010-11-22EyalLotem
EnumMap130.0More general IntMap replacement. (bsd3, data-structures, library)2009-09-15JohnVanEnk
Eq (deprecated)190.0Render math formula in ASCII, and perform some simplifications (bsd3, deprecated, language, math, program)2013-05-28VincentBerthoux
EqualitySolver140.0A theory solver for conjunctions of literals in the theory of uninterpreted functions with equality (bsd3, library, math)2014-11-02dillonhuff
EstProgress160.0Methods for estimating the progress of functions (bsd3, data, library)2015-08-10JamesCandy
EtaMOO130.0A new implementation of the LambdaMOO server (bsd3, network, program)2016-02-06RobLeslie
Eternal10Seconds110.0A 2-D shooting game (bsd3, game, program)2010-05-24HirotoKoyama
EuroIT50.0Library for using euro currency, italian language (bsd3, data, library)2010-07-05PaoloVeronelli
Euterpea972.5Library for computer music research and education (bsd3, library, music, sound)2019-06-14dwincort, DonyaQuick
EventSocket70.0Interfaces with FreeSwitch Event Socket. (bsd3, library, network)2009-11-16DavidAustin
Extra (deprecated in favor of sr-extra, extra)270.0A grab bag of modules. (bsd3, deprecated, library, unclassified)2014-11-04DavidFox, JeremyShaw
FPretty310.0Efficient simple pretty printing combinators (bsd3, library, text.prettyprint)2015-11-16OlafChitil
FSM40.0Basic concepts of finite state machines. (bsd3, fsm, library)2020-06-07KidKoala
FTGL150.0Portable TrueType font rendering for OpenGL using the Freetype2 library (bsd3, graphics, library)2014-11-13JeffersonHeard, laquendi
FTGL-bytestring70.0Portable TrueType font rendering for OpenGL using the Freetype2 library (bsd3, graphics, library)2014-03-15seagull
FTPLine390.0A command-line FTP client. (bsd3, network, program)2016-06-03DanielDiaz
Facebook-Password-Hacker-Online-Latest-Version (deprecated)00.0spam (bsd3, deprecated, library, web)2018-02-22
Facts90.0A collection of facts about the real world. (bsd3, factual, library)2010-10-18AlexanderSolla
FastPush150.0A monad and monad transformer for pushing things onto a stack very fast. (bsd3, control, library)2017-02-26wyager
FastxPipe (deprecated in favor of pipes-fastx)70.0Fasta and Fastq streaming (bsd3, deprecated, library, unclassified)2015-04-23rcallahan
FenwickTree190.0Data structure for fast query and update of cumulative sums (bsd3, data-structures, library)2015-03-19MichalGajda
FerryCore130.0Ferry Core Components (bsd3, database, library)2011-08-17JeroenWeijers
FieldTrip330.0Functional 3D (bsd3, graphics, library)2009-06-05ConalElliott
FileManip (deprecated in favor of filemanip)450.0Expressive file and directory manipulation for Haskell. (bsd3, deprecated, library, system)2010-10-10BryanOSullivan
FileManipCompat380.0Expressive file and directory manipulation for Haskell. (bsd3, library, system)2011-04-28ThomasHartman
FilePather (deprecated in favor of filepather)590.0Functions on System.FilePath (bsd3, deprecated, library, system)2012-04-10TonyMorris
FileSystem60.0File system data structure and monad transformer. (bsd3, library, system)2011-01-28DanielDiaz
Fin (deprecated)740.0Finite totally-ordered sets (bsd3, data, deprecated, library)2020-02-01
Finance-Quote-Yahoo730.0Obtain quote data from finance.yahoo.com (bsd3, library, web)2014-04-19BradClawsie
Finance-Treasury140.0Obtain Treasury yield curve data (bsd3, library, web)2008-06-18DonaldStewart, StephenLihn
FindBin530.0Locate directory of original program (bsd3, library, system)2011-03-27AudreyTang
FirstOrderTheory100.0Grammar and typeclass for first order theories (bsd3, library, math)2014-11-05dillonhuff
FixedPoint-simple450.0Fixed point, large word, and large int numerical representations (types and common class instances) (bsd3, data, library)2014-06-24ThomasDuBuisson
Flippi170.0Wiki (bsd3, program, text)2008-03-16AudreyTang, GwernBranwen
FloatingHex1250.0Read and write hexadecimal floating point numbers (bsd3, library, tools)2020-09-05LeventErkok
Folly450.0A first order logic library in Haskell (bsd3, library, program, theorem-provers)2015-10-03dillonhuff
FontyFruity1312.5A true type file format loader (bsd3, font, graphics, library, text)2019-10-02VincentBerthoux
ForSyDe (deprecated in favor of forsyde-shallow, forsyde-deep)150.0ForSyDe's Haskell-embedded Domain Specific Language. (bsd3, deprecated, hardware, language, library)2010-06-25AlfonsoAcosta, HoseinAttarzadeh, ugeorge, ingo
ForestStructures190.0Tree- and forest structures (bioinformatics, bsd3, formal-languages, library)2018-12-11ChristianHoener
Forestry60.0Comparison of trees and forests. (bioinformatics, bsd3, formal-languages, library)2017-11-23ChristianHoener
ForkableT150.0Forkable monad transformers (bsd3, control, library)2015-01-18AndrasSlemmer
Fortnite-Hack-Cheats-Free-V-Bucks-Generator (deprecated)00.0spam (bsd3, deprecated, library, web)2018-02-22
Frames1382.0Data frames For working with tabular data files (bsd3, data, library)2021-05-19AnthonyCowley
Frames-beam200.0A library for accessing Postgres tables as in-memory data structures. (bsd3, data, data-science, database, library)2018-09-02GagandeepBhatia
Frames-dsv140.0Alternative CSV parser for the Frames package (bsd3, data, library)2020-01-13AnthonyCowley
Frames-map-reduce170.0Frames wrapper for map-reduce-folds and some extra folds helpers. (bsd3, data, library)2021-04-27adamCS
Frames-streamly260.0A streamly layer for Frames I/O (bsd3, data, library)2021-09-22adamCS
FreeTypeGL (deprecated in favor of FTGL)170.0Loadable texture fonts for OpenGL. (bsd3, deprecated, graphics, library)2013-01-28EyalLotem
FunGEn610.0A lightweight, cross-platform, OpenGL-based game engine. (bsd3, game, library, program)2020-10-18MiloslavRaus, SimonMichael
Fungi220.0Funge-98 interpreter written in Haskell (bsd3, compilers-interpreters, program)2015-02-16ThomasEding
GA80.0Genetic algorithm library (ai, algorithms, bsd3, library, optimisation)2011-09-27KennethHoste
GHood300.0A graphical viewer for Hood (bsd3, debug, library)2018-05-14HugoPacheco, JanisVoigtlaender
GLFW710.0A Haskell binding for GLFW (bsd3, graphics, library)2016-04-01PaulLiu
GLFW-OGL70.0A binding for GLFW (OGL) (bsd3, graphics, library)2008-11-17NealAlexander
GLFW-b2462.25Bindings to GLFW OpenGL library (bsd3, graphics, library)2019-10-20BrianLewis, SchellScivally, Mokosha, javjarfer
GLFW-b-demo360.0GLFW-b demo (bsd3, graphics, program)2013-12-12BrianLewis, SchellScivally, javjarfer
GLFW-task190.0GLFW utility functions to use together with monad-task. (bsd3, graphics, library)2018-01-04PaulLiu
GLHUI50.0Open OpenGL context windows in X11 with libX11 (bsd3, graphics, library)2012-02-24HugoGomes
GLURaw2680.0A raw binding for the OpenGL graphics system (bsd3, graphics, library)2018-03-22JasonDagit, SvenPanne
GLUT3480.0A binding for the OpenGL Utility Toolkit (bsd3, graphics, library)2021-01-18ChrisDornan, IanLynagh, JasonDagit, SvenPanne
GLUtil1530.0Miscellaneous OpenGL utilities. (bsd3, graphics, library)2020-06-17AnthonyCowley
GPX410.0Parse GPX files (bsd3, library, utils)2013-12-20ThomasDuBuisson, TonyMorris
GPipe-Collada100.0Load GPipe meshes from Collada files (bsd3, graphics, library)2012-08-06TobiasBexelius
GPipe-TextureLoad220.0Load GPipe textures from filesystem (bsd3, graphics, library)2012-06-27TobiasBexelius
GTALib230.0A library for GTA programming (bsd3, language, library)2012-06-08KentoEmoto
Gamgine390.0Some kind of game library or set of utilities. (bsd3, library)2020-06-27DanielTrstenjak
Ganymede100.0An Io interpreter in Haskell. (bsd3, language, program)2011-04-18WaltBaety
GaussQuadIntegration60.0Non-adaptive Gaussian quadrature for numeric integraton (bsd3, library, math)2011-09-15GrigorySarnitsky
GeBoP170.0Several games (bsd3, game, program)2015-09-23HenkJanVanTuyl
GenSmsPdu30.0Automatic SMS message generator (bsd3, program, testing)2010-03-27KwanghoonChoi
GenericPretty1520.0A generic, derivable, haskell pretty printer. (bsd3, generics, library, pretty-printer, text)2018-03-10RazvanRanca
Geodetic (deprecated in favor of geodetic)240.0Geodetic calculations (bsd3, deprecated, library, utils)2011-11-21TonyMorris
GeomPredicates90.0Geometric predicates (bsd3, library, math)2010-06-27NealAlexander
GeomPredicates-SSE70.0Geometric predicates (Intel SSE) (bsd3, library, math)2010-06-27NealAlexander
Get60.0get stuff out of stuff (bsd3, control, library)2018-01-10MarisaVeryMoe
Gifcurry682.0GIF creation utility. (application, bsd3, graphics, library, program)2018-03-21lettier
Gleam190.0HTML Canvas graphics, animations and simulations. (bsd3, graphics, library)2020-05-06EbinBenny
Glob8842.0Globbing library (bsd3, library, system)2020-07-19MattiNiemenmaa
GoogleChart120.0Generate web-based charts using the Google Chart API (bsd3, graphics, library)2008-02-09EvanMartin
GoogleDirections90.0Haskell Interface to Google Directions API (bsd3, library, network)2010-12-24KevinOberlies
GoogleSB70.0Interface to Google Safe Browsing API (bsd3, library, security)2009-06-19AlexOtt
GotoT-transformers110.0A monad and monadic transformer providing "goto" functionality (bsd3, control, library)2012-07-22GregoryCrosswhite
Grafos70.0Grafos Haskell (bsd3, library, unclassified)2016-10-24jppianta83
GraphSCC1410.0Tarjan's algorithm for computing the strongly connected components of a graph. (algorithms, bsd3, library)2013-07-22IavorDiatchki
Grempa340.0Embedded grammar DSL and LALR parser generator (bsd3, library, parsing)2013-02-07DavidFox, OlleFredriksson
GroteTrap370.0Parser and selection library for expression languages. (bsd3, language, library)2016-10-08MartijnVanSteenbergen
GrowlNotify200.0Notification utility for Growl. (bsd3, library, network, program)2008-05-18NicholasBurlett
GtkGLTV80.0OpenGL support for Gtk-based GUIs for Tangible Values (bsd3, library, user-interfaces)2011-12-28ConalElliott
GtkTV450.0Gtk-based GUIs for Tangible Values (bsd3, library, user-interfaces)2011-12-28ConalElliott
GuiHaskell130.0A graphical REPL and development environment for Haskell (bsd3, development, program)2008-03-06NeilMitchell
GuiTV100.0GUIs for Tangible Values (bsd3, interfaces, library, user-interfaces)2008-02-19ConalElliott
H120.0The Haskell/R mixed programming environment. (bsd3, ffi, program)2016-09-04FacundoDominguez, MathieuBoespflug
HABQT90.0Hierarchical adaptive Bayesian quantum tomography for quantum bits (bsd3, library, math, program, quantum)2018-07-01LeonidBelinsky
HAppS-Data (deprecated in favor of happstack-data)110.0HAppS data manipulation libraries (bsd3, deprecated, distributed-computing, library, web)2008-11-09DavidHimmelstrup
HAppS-IxSet (deprecated in favor of happstack-ixset)160.0 (bsd3, deprecated, distributed-computing, library, web)2008-11-09DavidHimmelstrup
HAppS-Server (deprecated in favor of happstack-server)220.0Web related tools and services. (bsd3, deprecated, distributed-computing, library, web)2008-11-09DavidHimmelstrup
HAppS-State (deprecated in favor of happstack-state)190.0Event-based distributed state. (bsd3, deprecated, distributed-computing, library, web)2008-11-09DavidHimmelstrup
HAppS-Util (deprecated in favor of happstack-util)100.0Web framework (bsd3, deprecated, distributed-computing, library, web)2008-11-09DavidHimmelstrup
HAppSHelpers (deprecated in favor of happstack-helpers)520.0OBSOLETE. Please use happstack-helpers (bsd3, deprecated, library, web)2010-05-09ThomasHartman
HCL282.0High-level library for building command line interfaces. (bsd3, library, program, user-interfaces)2021-01-05JustinBailey, jlamothe
HCard50.0A library for implementing a Deck of Cards (bsd3, game-, library)2009-04-08JoeFredette
HCodecs1390.0A library to read, write and manipulate MIDI, WAVE, and SoundFont2 files. (bsd3, codec, library)2020-02-21GeorgeGiorgidze, DonyaQuick, Mokosha
HDBC1252.25Haskell Database Connectivity (bsd3, database, library)2019-09-27DavidJohnson, ErikHesselink, IsaacJones, JohnGoerzen, NicolasWu, rsoeldner
HDBC-odbc1200.0ODBC driver for HDBC (bsd3, database, library)2019-04-08IsaacJones, JohnGoerzen, NicolasWu, anton_dessiatov, rsoeldner
HDBC-postgresql1630.0PostgreSQL driver for HDBC (bsd3, database, library)2021-02-04DavidJohnson, ErikHesselink, IsaacJones, JohnGoerzen, rsoeldner
HDBC-session410.0Bracketed connection for HDBC (bsd3, database, library)2018-06-07KeiHibino
HDBC-sqlite3860.0Sqlite v3 driver for HDBC (bsd3, database, library)2015-04-24ErikHesselink, IsaacJones, JohnGoerzen, rsoeldner
HDRUtils140.0Utilities for reading, manipulating, and writing HDR images (bsd3, graphics, library)2009-08-28JeffersonHeard
HERA20.0 (bsd3, library, math)2008-12-05LukePalmer
HExcel152.25Create Excel files with Haskell (Excel, bsd3, data, library, spreadsheet, text)2020-03-14v0d1ch
HFitUI90.0The library for generating a graphical interface on the web (bsd3, library, program, web)2017-06-05QSpider2017
HFuse571.75HFuse is a binding for the Linux FUSE library. (bsd3, library, system)2018-01-15GwernBranwen, MaximTreskin, PaulVanDerWalt, TaruKarttunen, M15K, dhrosa
HGL670.0A simple graphics library based on X11 or Win32 (bsd3, graphics, library)2019-11-27AlanHawkins, ChristophLueth
HGraphStorage120.0Graph database stored on disk (bsd3, database, library)2015-01-30JeanPhilippeMoresmau
HHDL80.0Hardware Description Language embedded in Haskell. (bsd3, hardware, library)2011-12-17SergueyZefirov
HJScript720.0HJScript is a Haskell EDSL for writing JavaScript programs. (bsd3, language, library, web)2013-07-18JeremyShaw, NiklasBroberg
HJVM40.0A library to create a Java Virtual Machine and manipulate Java objects (bsd3, language, library)2012-03-15JeanPhilippeMoresmau
HJavaScript250.0HJavaScript is an abstract syntax for a typed subset of JavaScript. (bsd3, language, library)2010-03-05NiklasBroberg
HLearn-algebra (deprecated in favor of subhask)610.0Algebraic foundation for homomorphic learning (bsd3, data-mining, deprecated, library, machine-learning)2014-05-30MikeIzbicki
HLearn-approximation (deprecated)120.0 (bsd3, data-mining, data-structures, deprecated, library, machine-learning)2013-07-30MikeIzbicki
HLearn-classification (deprecated)230.0 (bsd3, data-mining, deprecated, library, machine-learning)2014-06-04MikeIzbicki
HLearn-datastructures (deprecated)80.0 (bsd3, data-mining, data-structures, deprecated, library, machine-learning)2013-07-27MikeIzbicki
HLearn-distributions (deprecated)600.0Distributions for use with the HLearn library (bsd3, data-mining, deprecated, library, machine-learning, statistics)2014-03-27MikeIzbicki
HListPP250.0A preprocessor for HList labelable labels (bsd3, development, program)2020-04-17AdamVogt
HLogger (deprecated in favor of hlogger)80.0Simple, concurrent and easy-to-use logging library (bsd3, concurrency, deprecated, library, logging, program)2011-03-02JonKristensen
HMM30.0A hidden markov model library (algorithms, bsd3, data-mining, library, machine-learning)2012-03-25MikeIzbicki
HMap690.0Fast heterogeneous maps and unconstrained typeable-like functionality. (bsd3, data, data-structures, library)2018-04-17AtzeVanDerPloeg
HMarkov230.0Markov-generated sequences (bsd3, library, text)2016-12-04swizzard
HMock1060.0A flexible mock framework for testing effectful code. (bsd3, library, testing)2021-09-25ChrisSmith
HNM80.0Happy Network Manager (bsd3, library, network, program, system)2009-01-25CetinSert
HNumeric482.0Haskell Numeric Library with pure functionality, R & MATLAB Syntax. (bsd3, hnum, library, linearalgebra, numeric, statistics)2018-06-20edeftg
HODE50.0Binding to libODE (bsd3, game, library, physics)2008-10-27DavidHimmelstrup
HPDF680.0Generation of PDF documents (bsd3, graphics, library, program)2021-04-10SylvainHenry, alpheccar
HPath170.0Extract Haskell declarations by name. (bsd3, library, program, source-tools, text)2010-01-02JasonDusek
HPi202.0GPIO, I2C and SPI functions for the Raspberry Pi. (bsd3, library, system)2020-03-11WJWH
HPlot90.0A minimal monadic PLplot interface for Haskell (bsd3, foreign, graphics, library, program)2009-08-04YakovZaytsev
HRay150.0Haskell raytracer (bsd3, graphics, program)2010-11-07GwernBranwen, KennethHoste
HSFFIG130.0Generate FFI import declarations from C include files (bsd3, ffi-tools, library, program)2010-07-15DmitryGolubovsky
HSGEP200.0Gene Expression Programming evolutionary algorithm in Haskell (ai, bsd3, library, program)2012-12-24MatthewSottile
HSet60.0Faux heterogeneous sets (bsd3, data, library)2017-05-11athanclark
HSlippyMap762.0OpenStreetMap Slippy Map (bsd3, geography, library)2018-05-11apeyroux
HSmarty340.0Small template engine (bsd3, library, text)2020-12-23AlexanderThiemann
HSoM160.0Library for computer music education (bsd3, library, sound)2017-06-01DonyaQuick
HSoundFile (deprecated in favor of sndfile-enumerators)80.0Audio file reading/writing (bsd3, codecs, deprecated, library, sound)2008-05-04JohnLato
HStringTemplate2662.0StringTemplate implementation in Haskell. (bsd3, library, text)2021-08-12SterlingClover
HSvm250.0Haskell Bindings for libsvm (bsd3, classification, datamining, library)2019-03-09PaoloLosi, PavelRyzhov
HTTP17372.0A library for client-side HTTP (bsd3, library, network)2021-03-20BjornBringert, BryanOSullivan, DonaldStewart, DuncanCoutts, GaneshSittampalam, JohanTibell, SigbjornFinne
HTTP-Simple (deprecated in favor of HTTP)140.0DEPRECATED Enable simple wrappers to Network.HTTP (bsd3, deprecated, library, network)2009-04-12BradClawsie
HTab180.0Tableau based theorem prover for hybrid logics (bsd3, program, theorem-provers)2020-05-15GuillaumeHoffmann
HUnit11462.25A unit testing framework for Haskell (bsd3, library, testing)2021-01-19AdamBergmark, DonaldStewart, DuncanCoutts, RichardGiraud, SimonHengel, ryanglscott
HUnit-Diff (deprecated)70.0Assertions for HUnit with difference reporting (bsd3, deprecated, library, testing)2012-01-22DagOdenhall
HUnit-Plus460.0A test framework building on HUnit. (bsd3, library, test, testing)2017-04-10emc2
HUnit-approx500.0Approximate equality for floating point numbers with HUnit (bsd3, library, testing)2017-10-31RichardEisenberg
HXMPP (deprecated in favor of pontarius-xmpp)80.0A (prototyped) easy to use XMPP library (bsd3, deprecated, library, network, program)2011-03-02JonKristensen
HXQ680.0A Compiler from XQuery to Haskell (bsd3, library, xml)2016-01-07LeonidasFegaras
HaRe1720.0the Haskell Refactorer. (bsd3, development, refactoring)2017-06-12AlanZimmerman, ChrisBrown
HaTeX2462.5The Haskell LaTeX library. (bsd3, latex, library)2020-10-08DanielDiaz
HaTeX-meta (deprecated)180.0This package is deprecated. From version 3, HaTeX does not need this anymore. (bsd3, deprecated, program, text)2013-04-04DanielDiaz
HaTeX-qq250.0Quasiquoters for HaTeX (bsd3, library, text)2017-05-11HiromiIshii
HaVSA90.0An implementation of the Version Space Algebra learning framework. (ai, bsd3, library, program)2011-04-05RoganCreswick
HackMail120.0A Procmail Replacement as Haskell EDSL (bsd3, library, network, program)2009-03-28JoeFredette
HandlerSocketClient (deprecated)270.0Haskell implementation of a HandlerSocket client (API). (bsd3, database, deprecated, library)2012-02-20XingboWu
HandsomeSoup660.0Work with HTML more easily in HXT (bsd3, library, text)2015-06-09AdityaBhargava
HappyTree140.0Type Safe and End to End Decision Tree (bsd3, data, library)2018-01-08MarisaVeryMoe
Haschoo (deprecated)200.0Minimalist R5RS Scheme interpreter (bsd3, compilers-interpreters, deprecated, program)2012-05-23MattiNiemenmaa
HaskellForMaths1480.0Combinatorics, group theory, commutative algebra, non-commutative algebra (bsd3, library, math)2018-12-15DavidAmos
HaskellNet1530.0Client support for POP3, SMTP, and IMAP (bsd3, library, network)2020-12-27AlexanderVershilov, JonathanDaugherty
HaskellNet-SSL1370.0Helpers to connect to SSL/TLS mail servers with HaskellNet (bsd3, library, network)2021-06-15DanielWright, lemol, Hazelfire
HaskellTorrent190.0A concurrent bittorrent client (bsd3, network, program)2010-03-11JesperLouisAndersen
Haskelloids90.0A reproduction of the Atari 1979 classic "Asteroids" (bsd3, game, program)2010-03-29IvanPerez, MatthewHayden
Hawk40.0Haskell Web Application Kit (bsd3, library, web)2010-06-01BjoernPeemoeller
Hclip1040.0A small cross-platform library for reading and modifying the system clipboard. (bsd3, library, system)2016-06-15JensThomas
Hedi50.0Line oriented editor (bsd3, editor, library, program)2008-11-30PaoloVeronelli
HerbiePlugin90.0automatically improve your code's numeric stability (bsd3, library, math)2015-09-28MikeIzbicki
Hermes (deprecated)180.0Message-based middleware layer (bsd3, deprecated, library, middleware, network)2010-05-18SveinOveAas
Hieroglyph990.0Purely functional 2D graphics for visualization. (bsd3, graphics, library)2009-08-25JeffersonHeard
HiggsSet (deprecated)120.0A multi-index set with advanced query capabilites (bsd3, data, deprecated, library)2012-02-04LarsPetersen
Hipmunk-Utils140.0Useful functions for Hipmunk (bsd3, game, library, physics)2017-09-06suzumiya
Hish410.0 (bsd3, command-line, console, library, program, shell)2016-03-31jaiyalas
Histogram4360.0 (bsd3, charts, library)2012-11-09MikeIzbicki
Hoed500.0Lightweight algorithmic debugging. (bsd3, debug, library, trace)2018-03-17faddegon
HoleyMonoid240.0Monoids with holes. (bsd3, data-structures, library)2017-02-13MartijnVanSteenbergen
HongoDB70.0A Simple Key Value Store (bsd3, database, library)2011-04-08HideyukiTanaka
Hricket90.0A Cricket scoring application. (bsd3, game, program)2010-01-02AnthonyGrimes
Hs2lib420.0A Library and Preprocessor that makes it easier to create shared libs from Haskell programs. (bsd3, development, library, program)2015-01-27TamarChristina
HsASA70.0A haskell interface to Lester Ingber's adaptive simulating annealing code (bsd3, library, math)2012-01-27DonaldStewart, MalcolmWallace
HsHaruPDF80.0Haskell binding to libharu (http://libharu.sourceforge.net/) (bsd3, graphics, library)2007-11-13AudreyTang
HsJudy120.0Judy bindings, and some nice APIs (bsd3, data, library)2008-03-07GwernBranwen
HsOpenSSL-x509-system870.0Use the system's native CA certificate store with HsOpenSSL (bsd3, filesystem, library, system)2020-08-23MariosTitas
HsParrot140.0Haskell integration with Parrot virtual machine (bsd3, language, library, pugs)2015-08-15AudreyTang
HsPerl5410.0Haskell interface to embedded Perl 5 interpreter (bsd3, language, library, pugs)2015-08-15AudreyTang
HsTools110.0Haskell helper functions (bsd3, generic, library)2010-09-07ChristianHoener
Hsed140.0Stream Editor in Haskell (bsd3, editor, library, program)2011-03-13VitaliyRukavishnikov
Hsmtlib120.0Haskell library for easy interaction with SMT-LIB 2 compliant solvers. (bsd3, library, smt----------)2014-07-02roger62
HueAPI560.0API for controlling Philips Hue lights (bsd3, hardware, library)2016-02-13SjoerdVisscher
HulkImport160.0Easily bulk import CSV data to SQL Server (bsd3, data, library, program)2015-11-09smobs
Hydrogen60.0The library for generating a WebGL scene for the web (bsd3, library, program, web)2017-06-14QSpider2017
IDynamic80.0Indexable, serializable form of Data.Dynamic (bsd3, data, library)2009-10-16AlbertoCorona
IFS70.0Iterated Function System generation for Haskell (bsd3, graphics, library, program)2007-11-06alpheccar
IOR40.0Region based resource management for the IO monad. (bsd3, library, monadic-regions, system)2008-05-25IvanTomac
IORefCAS (deprecated in favor of atomic-primops)260.0Atomic compare and swap for IORefs and STRefs. (bsd3, data, deprecated, library)2013-05-07RyanNewton
IOSpec532.0A pure specification of the IO monad. (bsd3, library, testing)2018-12-28BertramFelgenhauer, WouterSwierstra
IPv6Addr1440.0Library to deal with IPv6 address text representations. (bsd3, library, network)2021-10-23MichelBoucey
IPv6DB620.0A RESTful microService for IPv6-related data (bsd3, database, library, network, program)2020-01-02MichelBoucey
IfElse1930.0Anaphoric and miscellaneous useful control-flow (bsd3, control, library)2008-12-24IvanPerez, JeffersonHeard, keera_studios_ci
Imlib190.0 (bsd3, graphics, library)2009-03-30AndreasRaster, CaleGibbard
IndexedList90.0Length- and element-indexed lists sitting somewhere between homogeneous and fully heterogeneous. (bsd3, data, library)2014-06-28kwf
InfixApplicative170.0liftA2 for infix operators. (bsd3, control, library)2009-12-24ThomasDavie
IntGraph150.0Dynamically sized graph library (bsd3, data-structure, library)2018-07-01sam_barr
InternedData50.0Data interning (with compact regions where possible) (bsd3, data, data-structures, library, natural-language-processing)2019-10-02ChristianHoener
IntervalMap3072.0Containers for intervals, with efficient search. (bsd3, data, library)2020-06-08ChristophBreitkopf
IsNull90.0A typeclass to determine if a given value is null. (bsd3, data, library)2014-06-19jcristovao
JSON-Combinator (deprecated in favor of lens)740.0A combinator library on top of a generalised JSON type (bsd3, combinators, deprecated, json, library)2011-04-03TonyMorris
JSON-Combinator-Examples (deprecated in favor of lens)50.0Example uses of the JSON-Combinator library. (bsd3, combinators, deprecated, library)2010-12-20TonyMorris
JSONParser190.0Parse JSON (bsd3, library, text)2019-05-22AlanHawkins
JSONb320.0JSON parser that uses byte strings. (bsd3, library, text)2012-02-10JasonDusek
Javasf (deprecated in favor of javasf)80.0A utility to print the SourceFile attribute of one or more Java class files. (bsd3, deprecated, language, program)2010-12-12TonyMorris
Javav (deprecated in favor of javav)160.0A utility to print the target version of Java class files. (bsd3, deprecated, language, program)2012-03-06TonyMorris
JsContracts150.0Design-by-contract for JavaScript (bsd3, language, library, program)2009-12-15ArjunGuha
JsonGrammar870.0Combinators for bidirectional JSON parsing (bsd3, json, language, library)2016-10-07MartijnVanSteenbergen
JuPyTer-notebook90.0JuPyTer notebook parser (bsd3, data, library, program)2017-11-21MichalGajda
JuicyPixels16732.75Picture loading/serialization (in png, jpeg, bitmap, gif, tga, tiff and radiance) (bsd3, codec, graphics, image, library)2021-10-13VincentBerthoux
JuicyPixels-blp150.0BLP format decoder/encoder over JuicyPixels library (bsd3, codec, graphics, image, library, program)2018-11-26NCrashed
JuicyPixels-blurhash182.0Blurhash is a very compact represenation of a placeholder for an image (bsd3, graphics, image, library, program)2020-05-24smprts
JuicyPixels-canvas80.0Functions for drawing lines, squares and so on pixel by pixel (bsd3, graphics, library)2014-05-05eax
JuicyPixels-extra910.0Efficiently scale, crop, flip images with JuicyPixels (bsd3, graphics, image, library)2021-07-22mrkkrp
JuicyPixels-repa470.0Convenience functions to obtain array representations of images. (bsd3, graphics, library)2016-05-14ThomasDuBuisson
JuicyPixels-scale-dct290.0Scale JuicyPixels images with DCT (bsd3, graphics, image, library)2018-05-19phadej
JuicyPixels-stbir70.0Scale JuicyPixels images with stb_image_resize (bsd3, graphics, image, library)2018-02-24mtolly
JuicyPixels-util120.0Convert JuicyPixel images into RGBA format, flip, trim and so on (bsd3, control, library)2014-10-18FumiakiKinoshita
JunkDB110.0 (bsd3, database, library)2014-04-21seagull
JunkDB-driver-gdbm120.0 (bsd3, database, library)2014-04-21seagull
JunkDB-driver-hashtables110.0 (bsd3, database, library)2014-04-21seagull
KMP210.0Knuth–Morris–Pratt string searching algorithm (algorithms, bsd3, library)2018-12-17CindyLinz
Kalman (deprecated in favor of kalman)130.0A slightly extended Kalman filter (bsd3, deprecated, library, math)2015-04-05DominicSteinitz
Kawaii-Parser130.0A simple parsing library. (bsd3, library, monad-transformers, parsing, tokenisation)2021-07-11Liisi_Kerik
KdTree290.0KdTree, for efficient search in K-dimensional point clouds. (bsd3, data-mining, data-structures, graphics, library, machine-learning)2017-09-29IssacTrotts, jessekempf
Kleislify150.0Variants of Control.Arrow functions, specialised to kleislis. (bsd3, control, library)2012-05-15DylanJust
Kriens110.0Category for Continuation Passing Style (bsd3, control, library)2015-12-07matteo_provenzano
KyotoCabinet100.0Kyoto Cabinet DB bindings (bsd3, database, library)2011-03-16WarrenHarris
L-seed60.0Plant growing programming game (bsd3, game, library, program)2009-06-28JoachimBreitner
LATS90.0Linear Algebra on Typed Spaces (bsd3, library, numeric)2016-09-01guaraqe
LC3140.0LC-3 virtual machine (bsd3, language, program)2019-01-01DavidJohnson
LDAP410.0Haskell binding for C LDAP API (bsd3, library, network)2017-01-12EdwardYang, JohnGoerzen, ip1981
LRU (deprecated)60.0Implements an LRU data structure (bsd3, deprecated, library, unclassified)2007-11-05AdamLangley
LambdaCalculator150.0A basic lambda calculator with beta reduction and a REPL (bsd3, language, program)2016-06-29ThomasDuBuisson
LambdaDB152.0On-memory Database using Lambda Function environment. (bsd3, database, library, program)2016-05-28Ailrun
LambdaDesigner40.0A type-safe EDSL for TouchDesigner written in Haskell. (bsd3, library, touchdesigner)2017-12-05ulyssesp
LambdaHack1472.25A game engine library for tactical squad ASCII roguelike dungeon crawlers (bsd3, game, game-engine, library, program, roguelike)2021-04-06AndresLoeh, MikolajKonarski
LambdaINet280.0Graphical Interaction Net Evaluator for Optimal Evaluation (application, bsd3, program)2014-09-02PaulLiu
LambdaPrettyQuote200.0Quasiquoter, and Arbitrary helpers for the lambda calculus. (bsd3, language, library)2012-02-24JonathanFischoff
Lastik (deprecated)320.0A library for compiling programs in a variety of languages (bsd3, deprecated, development, library)2010-11-16TonyMorris
Learning190.0The most frequently used machine learning tools (bsd3, library, machine-learning, program)2018-02-26penkovsky
LibClang330.0Haskell bindings for libclang (a C++ parsing library) (bsd3, language, library)2017-01-15ChetanTaralekar, deech
LibZip560.0Bindings to libzip, a library for manipulating zip archives. (bsd3, codec, foreign, library)2016-08-29SergeyAstanin
LinearSplit120.0Partition the sequence of items to the subsequences in the order given (algorithms, bsd3, library)2011-03-05VitaliyRukavishnikov
LinguisticsTypes130.0Collection of types for natural language (bsd3, library, natural-language-processing)2017-03-14ChristianHoener
LinkChecker70.0Check a bunch of local html files for broken links (bsd3, program, web)2011-08-26JensStimpfle
List1020.0List monad transformer and class (bsd3, control, library)2017-09-27YairChuchem
ListLike10752.0Generalized support for list-like structures (bsd3, bytestring, library, list, string, text, vector)2021-09-01AndreasAbel, DavidFox, JohnGoerzen, JohnLato
ListT (deprecated)160.0List transformer (bsd3, control, deprecated, library)2017-12-14
ListTree280.0Trees and monadic trees expressed as monadic lists where the underlying monad is a list (algorithms, bsd3, library)2016-12-26YairChuchem
ListWriter100.0define a list constant using Monadic syntax other than overhead [,] (bsd3, library, syntax)2015-10-29YLiLarry
ListZipper340.0Simple zipper for lists (bsd3, data, library)2011-10-31RyanIngram
LogicGrowsOnTrees230.0a parallel implementation of logic programming using distributed tree exploration (bsd3, control, distributed-computing, library, logic, parallelism)2014-03-09GregoryCrosswhite
LogicGrowsOnTrees-MPI80.0an adapter for LogicGrowsOnTrees that uses MPI (bsd3, control, distributed-computing, library, logic, parallelism)2014-03-09GregoryCrosswhite
LogicGrowsOnTrees-network190.0an adapter for LogicGrowsOnTrees that uses multiple processes running in a network (bsd3, control, distributed-computing, library, logic, parallelism)2016-04-05GregoryCrosswhite
LogicGrowsOnTrees-processes120.0an adapter for LogicGrowsOnTrees that uses multiple processes for parallelism (bsd3, control, distributed-computing, library, logic, parallelism)2014-03-09GregoryCrosswhite
LslPlus620.0An execution and testing framework for the Linden Scripting Language (LSL) (bsd3, language, program)2009-08-25RobertGreayer
MFlow1920.0stateful, RESTful web framework (application-server, bsd3, library, web)2015-09-21AlbertoCorona
MHask110.0The category of monads (bsd3, control, library)2013-08-06DanBurton
MIP710.0Library for using Mixed Integer Programming (MIP) (algorithms, bsd3, library, math, optimisation, optimization)2020-12-26MasahiroSakai
MSQueue80.0Michael-Scott queue. (bsd3, data, library)2015-01-31julek
MagicHaskeller1020.0Automatic inductive functional programmer by systematic search (bsd3, language, library, program)2021-06-18SusumuKatayama
MailchimpSimple100.0Haskell library to interact with Mailchimp JSON API Version 3.0 (bsd3, library, web)2016-03-29dananji9131
Map (deprecated)490.0Class of key-value maps (bsd3, data, deprecated, library)2020-09-05
MapWith110.0mapWith: like fmap, but with additional parameters (isFirst, isLast, etc). (bsd3, combinators, library)2020-08-25davtjames
MaybeT180.0MaybeT monad transformer (bsd3, control, library)2008-12-21CaleGibbard, DonaldStewart, EricKidd
MaybeT-monads-tf (deprecated in favor of monads-tf)180.0MaybeT monad transformer compatible with monads-tf (deprecated) (bsd3, control, deprecated, library)2011-06-22BenMillwood
MaybeT-transformers90.0MaybeT monad transformer using transformers instead of mtl. (bsd3, control, library)2010-06-28ErikHesselink, SebastiaanVisser
MazesOfMonad470.0Console-based Role Playing Game (bsd3, game, program)2014-09-02JeanPhilippeMoresmau
MeanShift70.0Mean shift algorithm (bsd3, library, math)2012-04-30VilleTirronen
Measure80.0A library for units of measurement (bsd3, data, library)2009-11-11TonyMorris
MemoTrie3902.0Trie-based memo functions (bsd3, data, library)2019-11-30ConalElliott
MetaObject380.0A meta-object system for Haskell based on Perl 6 (bsd3, development, library, pugs)2015-08-15AudreyTang
Metrics110.0Evaluation metrics commonly used in supervised machine learning (bsd3, library, statistics)2012-06-19BenHamner
Mhailist90.0Haskell mailing list manager (bsd3, network, program)2010-04-30LarsKotthoff
MicrosoftTranslator40.0Interface for Microsoft Translator (bsd3, language, library)2015-08-23netogallo
MissingH3582.5Large utility library (bsd3, library, unclassified)2020-04-09HerbertValerioRiedel, JohnGoerzen, davean
MissingK100.0Useful types and definitions missing from other libraries (bsd3, development, library)2017-04-27IvanPerez, keera_studios_ci
MissingM90.0findM and other missing 'M's (bsd3, control, library)2012-11-15DylanJust
Mobile-Legends-Hack-Cheats (deprecated)00.0spam (bsd3, deprecated, library, web)2018-02-22
Moe20.0A FRP library based on signal functions. (bsd3, frp, library, program)2011-11-03XinyuJiang
MonadCatchIO-mtl (deprecated in favor of exceptions)590.0Monad-transformer version of the Control.Exception module (bsd3, control, deprecated, library)2014-01-04DanielGorin
MonadCatchIO-mtl-foreign (deprecated)50.0Polymorphic combinators for working with foreign functions (bsd3, control, deprecated, library)2010-05-29AntoineLatter
MonadCatchIO-transformers (deprecated in favor of exceptions)860.0Monad-transformer compatible version of the Control.Exception module (bsd3, control, deprecated, library)2014-12-23AriePeterson
MonadCatchIO-transformers-foreign (deprecated)60.0Polymorphic combinators for working with foreign functions (bsd3, control, deprecated, library)2010-05-29AntoineLatter
MonadCompose510.0Methods for composing monads. (bsd3, library, monad)2019-01-28JamesCandy
MonadLab210.0Automatically generate layered monads (bsd3, library, monads, program)2009-01-29AdamProcter
MonadPrompt800.0MonadPrompt, implementation & examples (bsd3, control, library)2014-09-14CaleGibbard, JamesCook, RyanIngram
MonadRandom10702.0Random-number generation monad. (bsd3, control, library)2021-04-08BrentYorgey, CaleGibbard, EricKidd, LukePalmer, PaoloVeronelli, PatrickPalka
MonadRandomLazy130.0Lazy monad for psuedo random-number generation. (bsd3, control, library)2015-12-29NormanRamsey
Monaris260.0A simple tetris clone (bsd3, game, program)2014-08-20FumiakiKinoshita
Monatron130.0Monad transformer library with uniform liftings (bsd3, control, library)2010-05-12TomSchrijvers
Monatron-IO80.0MonadIO instances for the Monatron transformers. (bsd3, control, library)2012-04-26TobiasBrandt
Monocle210.0Symbolic computations in strict monoidal categories with LaTeX output. (bsd3, library, math)2009-12-17OsmanBineev
Munkres100.0Munkres' assignment algorithm (hungarian method) (algorithms, bsd3, library)2008-12-07BalazsKomuves
Munkres-simple90.0Simple and typesafe layer over the Munkres package. (algorithms, bsd3, library)2014-09-13ScrambledEggs
NGrams50.0Simple application for calculating n-grams using Google. (bsd3, natural-language-processing, program)2008-02-14JustinBailey
NXTDSL110.0Generate NXC Code from DSL (bsd3, compilers-interpreters, language, library, program)2013-08-31AlexanderThiemann
NanoID1050.0NanoID generator (bsd3, data, library, program)2021-10-23MichelBoucey
NanoProlog480.0Very small interpreter for a Prolog-like language (bsd3, language, library, program)2011-12-22DoaitseSwierstra, JurrienStutterheim, joaopizani
NaperianNetCDF100.0Instances of NcStore for hypercuboids (bsd3, library, math, program)2019-04-18DominicSteinitz
NaturalLanguageAlphabets200.0Simple scoring schemes for word alignments (bsd3, library, natural-language-processing)2019-10-02ChristianHoener
NaturalSort (deprecated)70.0Natural sorting for strings (bsd3, deprecated, text)2010-04-05JoachimFasting
NearContextAlgebra90.0Context Algebra of near (bsd3, math, program)2015-10-25jhahn
NestedFunctor140.0Nested composition of functors with a type index tracking nesting. (bsd3, data, library)2014-06-28kwf
NetSNMP690.0Bindings for net-snmp's C API for clients (bsd3, library, network)2016-12-01JohnDorsey, PavloKerestey
NineP180.09P2000 in pure Haskell (bsd3, data, library)2013-09-22DaveLeimbach, SergeyAlirzaev
Ninjas80.0Ninja game (bsd3, game, program)2013-10-17EricMertens
NoHoed150.0Placeholder package to preserve debug ability via conditional builds (bsd3, debugging, library)2017-08-31PepeIborra
NoSlow80.0Microbenchmarks for various array libraries (bsd3, development, profiling, program)2010-02-15RomanLeshchinskiy
Noise230.0A Haskell coherent noise generator based on libnoise (bsd3, graphics, library, math, noise)2013-02-25HugoGomes
Nomyx (deprecated in favor of nomyx-server)1150.0A Nomic game in haskell (bsd3, deprecated, game, program)2015-03-26CorentinDupont
Nomyx-Core (deprecated in favor of nomyx-core)340.0A Nomic game in haskell (bsd3, deprecated, game, library)2015-03-26CorentinDupont
Nomyx-Language (deprecated in favor of nomyx-language)970.0Language to express rules for Nomic (bsd3, deprecated, language, library)2015-03-26CorentinDupont
Nomyx-Rules (deprecated in favor of Nomyx-Language)180.0Language to express rules for Nomic (bsd3, deprecated, language, library)2013-02-25CorentinDupont
Nomyx-Web (deprecated in favor of nomyx-web)290.0Web gui for Nomyx (bsd3, deprecated, game, library)2015-03-26CorentinDupont
NonEmpty80.0Library providing a non-empty list datatype, and total functions operating on it (bsd3, data, library)2009-03-19RobinGreen
NonEmptyList (deprecated in favor of semigroups)470.0A list with a length of at least one. (bsd3, data, deprecated, library)2010-08-28TonyMorris
NumInstances2340.0Instances of numeric classes for functions and tuples (bsd3, data, library)2014-09-26ConalElliott
NumLazyByteString (deprecated)70.0Num, Enum, Eq, Integral, Ord, Real, and Show instances for Lazy ByteStrings (bsd3, data, deprecated, library)2010-04-06ThomasDuBuisson
NumberSieves210.0Number Theoretic Sieves: primes, factorization, and Euler's Totient (bsd3, library, math)2012-08-21LeonSmith
OGL110.0A context aware binding for the OpenGL graphics system (bsd3, graphics, library)2009-05-11NealAlexander
OSM300.0Parse OpenStreetMap files (bsd3, library, utils)2012-01-28ThomasDuBuisson, TonyMorris
ObjectIO60.0 (bsd3, library, unclassified)2007-11-03
ObjectName1720.0Explicitly handled object names (bsd3, data, library)2015-12-22SvenPanne
Obsidian240.0Embedded language for GPU Programming (bsd3, language, library)2016-05-14JoelSvensson
Octree780.0Simple unbalanced Octree for storing data about 3D points (bsd3, data, library)2018-07-15MichalGajda
OddWord2052.25Provides a wrapper for deriving word types with fewer bits. (bsd3, data, library)2018-04-11RobinKay
Omega380.0Integer sets and relations using Presburger arithmetic (bsd3, data, library)2014-05-03ChristopherRodrigues
OnRmt70.0Text UI library for performing parallel remote SSH operations (bsd3, library, program, system)2017-01-30KevinQuick
OneTuple1080.0Singleton Tuple (bsd3, data, library)2020-03-27JohnDorsey, phadej
Only6360.0The 1-tuple type or single-value "collection" (bsd3, data, library)2017-06-12HerbertValerioRiedel
OpenAL790.0A binding to the OpenAL cross-platform 3D audio API (bsd3, library, sound)2019-06-10AndrewMiller, BenFoppa, SvenPanne
OpenCL770.0Haskell high-level wrapper for OpenCL (bsd3, ffi, gpu, graphics, library)2013-10-19LuisCabellos
OpenCLRaw60.0The OpenCL Standard for heterogenous data-parallel computing (bsd3, graphics, library)2009-08-18JeffersonHeard
OpenCLWrappers340.0The OpenCL Standard for heterogenous data-parallel computing (bsd3, ffi, library)2014-08-14EmilKarlson
OpenGL3482.5A binding for the OpenGL graphics system (bsd3, graphics, library)2019-05-06JasonDagit, SvenPanne
OpenGLCheck80.0Quickcheck instances for various data structures. (bsd3, graphics, library)2008-11-04ThomasDavie
OpenGLRaw3210.0A raw binding for the OpenGL graphics system (bsd3, graphics, library)2019-12-08JasonDagit, SvenPanne
OpenSCAD280.0ADT wrapper and renderer for OpenSCAD models. (bsd3, graphics, library)2015-07-07MikeMeyer
OpenVG380.0OpenVG (ShivaVG-0.2.1) binding (bsd3, graphics, library)2014-01-01StephenTetley
OpenVGRaw110.0Raw binding to OpenVG (ShivaVG-0.2.1 implementation). (bsd3, graphics, library)2014-01-01StephenTetley
Operads290.0Groebner basis computation for Operads. (bsd3, library, math)2009-08-14MikaelVejdemoJohansson
OptDir900.0The OptDir type for representing optimization directions. (bsd3, data, library, optimisation, optimization)2020-01-13MasahiroSakai
OrPatterns70.0A quasiquoter for or-patterns (bsd3, development, library)2014-05-16AdamVogt
OrchestrateDB160.0Unofficial Haskell Client Library for the Orchestrate.io API (bsd3, database, library)2015-08-02dwd31415
OrderedBits390.0Efficient ordered (by popcount) enumeration of bits (bsd3, data, library)2019-06-14ChristianHoener
Ordinals120.0Ordinal arithmetic (bsd3, library, math)2010-07-09KiYungAhn
Ordinary130.0A Programming Language in Construction (bsd3, language, library, program)2018-01-08MarisaVeryMoe
Oslo-Vectize (deprecated)90.0spam (bsd3, deprecated, program, spam)2018-09-16
PArrows110.0Arrow parser combinators similar to Parsec (bsd3, library, parsing)2009-01-24GwernBranwen
PBKDF2 (deprecated in favor of pbkdf, scrypt, bcrypt)410.0Make password-based security schemes more secure. (bsd3, cryptography, deprecated, library)2014-10-02AdamBergmark, ErikHesselink, JeremyShaw, ThomasHartman
PPrinter232.0A generic derivable Haskell pretty printer (bsd3, generics, library, pretty-printer, text)2016-10-25iamzhenyi
PSQueue350.0Priority Search Queue (bsd3, data-structures, library)2019-01-12HerbertValerioRiedel, ScottDillard
PUH-Project50.0This is a package which includes Assignments, Email, User and Reviews modules for Programming in Haskell course. (bsd3, data, library)2016-01-21att
PageIO140.0Page-oriented extraction and composition library (bsd3, library, program, text)2008-08-01AudreyTang
Paillier60.0a simple Paillier cryptosystem (bsd3, library, math)2013-12-11onemouth
PandocAgda170.0Pandoc support for literate Agda (bsd3, dependent-types, library, program)2013-03-11PeterDivianszky
Paraiso390.0a code generator for partial differential equations solvers. (bsd3, language, library)2015-12-03TakayukiMuranushi
ParserFunction (deprecated in favor of attoparsec)470.0Parse and evaluate mathematical expressions. (bsd3, deprecated, library, math, parsing)2014-05-14EnzoHaussecker
PartialTypeSignatures100.0emulate partial type signatures with template haskell (bsd3, development, library)2014-08-09AdamVogt
PathTree100.0A tree used to merge and maintain paths (bsd3, data, library)2016-07-16pjrt
Pathfinder380.0Relational optimiser and code generator (bsd3, database, ffi, library)2011-12-01GeorgeGiorgidze, JeroenWeijers, AlexUlrich
Peano190.0simple Peano numbers (bsd3, data, library)2012-03-08AndrasSlemmer, FrancescoMazzoli
PeanoWitnesses100.0GADT type witnesses for Peano-style natural numbers. (bsd3, data, library)2014-06-28kwf
PerfectHash (deprecated in favor of perfecthash)300.0A perfect hashing library for mapping bytestrings to values. (bsd3, data, data-structures, deprecated, library)2016-04-29MarkWotton
PermuteEffects100.0Permutations of effectful computations (bsd3, control, library)2011-01-16MartijnVanSteenbergen
Persistence520.0A versatile library for topological data analysis. (bsd3, data, library, math)2019-08-19Ebanflo
Pipe (deprecated)170.0Process piping library (bsd3, deprecated, library, system)2009-07-02MattiNiemenmaa
Piso50.0Partial isomorphisms (bsd3, data, library)2017-05-09MartijnVanSteenbergen
PlayHangmanGame40.0Play Hangman Game (bsd3, game, program)2012-04-04HaishengWu
PlayingCards140.0Playing cards api (bsd3, game, library)2014-08-04dillonhuff
Plot-ho-matic1650.0Real-time line plotter for generic data (bsd3, graphics, library)2018-12-14GregHorn
PlslTools100.0So far just a lint like program for PL/SQL. Diff and refactoring tools are planned (bsd3, pl-sql-tools, program)2008-12-02LarryLayland
PortMidi1110.0A binding for PortMedia/PortMidi (bsd3, library, sound)2018-07-29PaulLiu, OlivierSohn
PortMidi-simple50.0Simplified PortMidi wrapper (bsd3, library, sound)2021-06-19AlexanderBondarenko
Prelude260.0A Prelude module replacement (bsd3, library, prelude)2018-08-29HerbertValerioRiedel
PrimitiveArray1542.0Efficient multidimensional arrays (bsd3, data, library)2021-06-04ChristianHoener
PrimitiveArray-Pretty80.0Pretty-printing for primitive arrays (bsd3, data, library)2017-03-03ChristianHoener
ProbabilityMonads60.0Probability distribution monads. (bsd3, control, library)2007-10-07EricKidd
PropLogic260.0Propositional Logic (algorithms, bsd3, library, logic, program)2012-04-16DavidFox
Proper250.0An implementation of propositional logic in Haskell (bsd3, library, program, unclassified)2014-11-03dillonhuff
ProxN60.0Proximity sets in N dimensions (bsd3, library, math)2012-01-28AndrasSlemmer
Pugs1030.0A Perl 6 Implementation (bsd3, language, program, pugs)2015-08-15AudreyTang, JeffShaw
PyF1040.0Quasiquotations for a python like interpolated string formater (bsd3, library, text)2021-02-06guibou
QIO120.0The Quantum IO Monad is a library for defining quantum computations in Haskell (bsd3, library, quantum)2016-11-13AlexanderGreen
QuadEdge80.0QuadEdge structure for representing triangulations (bsd3, data, library)2010-06-26NealAlexander
QuadTree110.0QuadTree library for Haskell, with lens support. (bsd3, data, game, library)2015-08-09Kron
QuasiText152.0A QuasiQuoter for Text. (bsd3, library, text)2016-06-05MikeLedger
Quelea92.0Programming with Eventual Consistency over Cassandra. (bsd3, experimental, library)2015-12-13gowtham
QuickAnnotate180.0Annotation Framework (bsd3, development, library, program)2012-09-19ShayanNajd
QuickCheck19122.75Automatic testing of Haskell programs (bsd3, library, testing)2020-11-14DonaldStewart, KoenClaessen, NickSmallbone, SimonMarlow
Quickson (deprecated in favor of aeson-quick)190.0Quick JSON extractions with Aeson (bsd3, deprecated, json, library, text, web)2015-07-12ssadler
R-pandoc210.0 (bsd3, library, program, text)2019-11-15CorentinDupont
RANSAC170.0The RANSAC algorithm for parameter estimation. (bsd3, library, math, numerical)2015-11-19AnthonyCowley
RBTree150.0Pure haskell Red-Black-Tree implemetation (bsd3, data-structures, library)2011-06-09XingboWu
RJson330.0A reflective JSON serializer/parser. (bsd3, library, text)2009-02-22AlexDrummond
RMP30.0Binding to code that controls a Segway RMP (bsd3, library, program, robotics, system)2010-05-23NoamLewis
RSA3650.0Implementation of RSA, using the padding schemes of PKCS#1 v2.1. (bsd3, codec, cryptography, library)2019-10-14AdamWick
Raincat260.0A puzzle game written in Haskell with a cat in lead role (bsd3, game, program)2018-09-23MikhailPobolovets, SergeiTrofimovich
Range70.0Data structure for managing ranges (bsd3, data, library)2013-04-19ThomasEding
Ranged-sets572.25Ranged sets for Haskell (bsd3, data, library)2019-03-11PaulJohnson
Rasenschach180.0Soccer simulation (bsd3, game, program)2016-02-24MartinWoehrle
Rasterific1862.0A pure haskell drawing engine. (bsd3, graphics, library)2021-05-26VincentBerthoux
Rattus202.25A modal FRP language (bsd3, frp, library)2021-02-15PatrickBahr
ReadArgs410.0Simple command line argument parsing (bsd3, command-line, library, program)2016-12-08NoahEasterly
Ref90.0Generic Mutable Ref Abstraction Layer (bsd3, data, library)2013-03-28CarterSchonwald
RefSerialize890.0Write to and read from ByteStrings maintaining internal memory references (bsd3, data, database, library, parsing)2017-02-06AlbertoCorona
RepLib972.0Generic programming library with representation types (bsd3, generics, library)2018-10-15BrentYorgey, ChrisCasinghino, sweirich
ReplicateEffects80.0Composable replication schemes of applicative functors (bsd3, control, library)2012-12-27MartijnVanSteenbergen
ReviewBoard210.0Haskell bindings to ReviewBoard (bsd3, development, library, program)2008-05-28AdamSmyczek
Ritt-Wu30.0Parallel implementation of Ritt-Wu's algorithm. (algorithm, bsd3, library, program)2020-02-12jsrqv
Rlang-QQ (deprecated in favor of inline-r)450.0quasiquoter for inline-R code (bsd3, deprecated, development, library)2015-05-06AdamVogt
RoyalMonad160.0All hail the Royal Monad! (bsd3, control, library)2015-09-23AtzeVanDerPloeg
SBench110.0A benchmark suite for runtime and heap measurements over a series of inputs. (bsd3, library, testing)2013-03-05DanielSeidel
SCRIPTWriter100.0ESCRIPT: a human friendly language for programming Bitcoin scripts (bitcoin, bsd3, language, library, program, script)2018-10-15RickKlomp
SDL1061.5Binding to libSDL (bsd3, foreign-binding, library)2018-07-15ChrisDone, DavidHimmelstrup, fffaaa
SDL-gfx660.0Binding to libSDL_gfx (bsd3, foreign-binding, library)2018-09-07ChrisDone, DavidHimmelstrup, fffaaa
SDL-image560.0Binding to libSDL_image (bsd3, foreign-binding, library)2018-07-15ChrisDone, DavidHimmelstrup, fffaaa
SDL-mixer600.0Binding to libSDL_mixer (bsd3, foreign-binding, library)2018-07-15ChrisDone, DavidHimmelstrup, fffaaa
SDL-mpeg70.0Binding to the SMPEG library (bsd3, foreign-binding, library)2008-07-28AudreyTang
SDL-ttf550.0Binding to libSDL_ttf (bsd3, foreign-binding, library)2018-07-15ChrisDone, DavidHimmelstrup, fffaaa
SFont (deprecated)90.0SFont SDL Bitmap Fonts (bsd3, deprecated, graphics, library)2010-01-11LiamOConnorDavis
SG40.0Small geometry library for dealing with vectors and collision detection (bsd3, data, library, math)2009-03-17NeilBrown
SGplus30.0(updated) Small geometry library for dealing with vectors and collision detection (bsd3, data, library, math)2016-09-01donomii
SHA6910.0Implementations of the SHA suite of message digest functions (bsd3, codec, cryptography, library)2018-03-15AdamWick, RaphaelJavaux
SHA2220.0Fast, incremental SHA hashing for bytestrings (bsd3, cryptography, library)2011-02-28SveinOveAas
SJW50.0The Simple Javascript Wrench (bsd3, library, program, web)2021-01-20tissevert
SMTPClient320.0A simple SMTP client library (bsd3, library, network)2013-02-11StephenBlackheath
SQLDeps70.0Calculate db-data dependencies of functions (bsd3, database, library)2013-05-20AlexanderThiemann
SSTG712.0STG Symbolic Execution (bsd3, library, program, web)2017-08-17AntonXue
STL490.0STL 3D geometry format parsing and pretty-printing (bsd3, graphics, library)2019-06-29bergey
STLinkUSB160.0STLink USB interface in Haskell (bsd3, hardware, library, microcontroller, stm32)2017-11-03MarcFontaine
STM32-Zombie170.0control a STM32F103 microcontroller (bsd3, hardware, library, microcontroller, stm32)2017-11-03MarcFontaine
STM32F103xx-SVD110.0Definition for Peripherals,Registers and Fields from STM32F103xx.svd (bsd3, hardware, library, microcontroller, stm32)2017-11-03MarcFontaine
STMonadTrans4970.0A monad transformer version of the ST monad (bsd3, library, monads)2021-08-21AndreasAbel, JosefSvenningsson
SVD2HS40.0translate a SVD of a Microcontroller to Haskell tables (bsd3, hardware, library, microcontroller, stm32, svd)2017-11-03MarcFontaine
SVG2Q30.0Code generation tool for Quartz code from a SVG. (bsd3, parsing, program)2011-01-27JanGreve
SVGFonts5630.0Fonts from the SVG-Font format (bsd3, graphics, library)2021-10-16BrentYorgey, JanBracker, RyanYates, TillmannVogt, jeffreyrosenbluth, bergey
SVGPath310.0Parsing the path command of SVG (bsd3, graphics, library)2014-06-16RohanDrape, TillmannVogt
SableCC2Hs140.0Generate a parser (in Haskell) with the SableCC parser generator. (bsd3, library, parsing, program)2012-06-13MarcFontaine
Safe (deprecated in favor of safe)80.0Library for safe (pattern match free) functions (bsd3, deprecated, library, unclassified)2007-01-12
SafeSemaphore1640.0Much safer replacement for QSemN, QSem, and SampleVar (bsd3, concurrency, library)2014-05-03ChrisKuklewicz
Salsa230.0A .NET Bridge for Haskell (.net, bsd3, foreign, library)2014-09-06AndrewAppleyard, TimMatthews
Saturnin150.0Saturnin CI / Job System (application-server, bsd3, library, program)2015-05-18yac
SciBaseTypes80.0Base types and classes for statistics, sciences and humanities (bsd3, data, library)2021-06-04ChristianHoener
Scurry150.0A cross platform P2P VPN application built using Haskell. (bsd3, network, program)2009-01-24JohnVanEnk
SegmentTree160.0Data structure for querying the set (or count) of intervals covering given point (bsd3, data, library)2012-10-29AlexandruScvortov, DmitryAstapov
Semigroup250.0A semigroup (bsd3, data, library)2011-04-13TonyMorris
SeqAlign (deprecated in favor of seqalign)80.0Sequence Alignment (bsd3, deprecated, library, unclassified)2015-04-23rcallahan
Shellac280.0A framework for creating shell envinronments (bsd3, library, user-interfaces)2016-06-03RobertDockins
Shellac-compatline160.0"compatline" backend module for Shellac (bsd3, library, user-interfaces)2016-06-03RobertDockins
Shellac-editline230.0Editline backend module for Shellac (bsd3, library, user-interfaces)2016-06-03RobertDockins
Shellac-haskeline320.0Haskeline backend module for Shellac (bsd3, library, user-interfaces)2016-06-04JudahJacobson, RobertDockins
Shellac-readline150.0Readline backend module for Shellac (bsd3, library, user-interfaces)2016-06-03RobertDockins
ShortestPathProblems80.0grammars for TSP and SHP (bsd3, data, library)2017-03-06ChristianHoener
ShowF140.0Show for * -> * (bsd3, library, text)2013-11-27ConalElliott
Shpadoinkle212.0A programming model for declarative, high performance user interface. (bsd3, library, web)2021-06-02fresheyeball
Shpadoinkle-backend-pardiff200.0A Virtual Dom in pure Haskell, based on Html as an Alignable Functor. (bsd3, library, web)2021-06-02fresheyeball
Shpadoinkle-backend-snabbdom180.0Use the high-performance Snabbdom virtual dom library written in JavaScript. (bsd3, library, web)2021-06-02fresheyeball
Shpadoinkle-backend-static190.0A backend for rendering Shpadoinkle as Text. (bsd3, library, web)2021-06-02fresheyeball
Shpadoinkle-console140.0Support for the native browser console (bsd3, library, web)2021-06-02fresheyeball
Shpadoinkle-debug (deprecated in favor of Shpadoinkle-console)80.0Debugging tools for Shpadoinkle applications. (bsd3, deprecated, library, web)2020-06-21fresheyeball
Shpadoinkle-developer-tools100.0Chrome extension to aide in development (bsd3, library, program, web)2021-06-02fresheyeball
Shpadoinkle-disembodied40.0Shpadoinkle as a static site. (bsd3, library, web)2021-06-02fresheyeball
Shpadoinkle-examples90.0Example usages of Shpadoinkle (bsd3, program, web)2021-01-06fresheyeball
Shpadoinkle-html250.0A typed, template generated Html DSL, and helpers. (bsd3, library, web)2021-06-02fresheyeball
Shpadoinkle-lens110.0Lens combinators for Shpadoinkle applications. (bsd3, library, web)2021-06-02fresheyeball
Shpadoinkle-router160.0A single page application rounter for Shpadoinkle based on Servant. (bsd3, library, web)2021-06-02fresheyeball
Shpadoinkle-streaming60.0Integration of the streaming library with Shpadoinkle continuations. (bsd3, library, web)2021-06-02fresheyeball
Shpadoinkle-template150.0Read standard file formats into Shpadoinkle with Template Haskell (bsd3, library, web)2021-06-02fresheyeball
Shpadoinkle-widgets300.0A collection of common reusable types and components. (bsd3, library, web)2021-06-02fresheyeball
Shrub90.04-way trie fuzzy search (bsd3, library, unclassified)2015-04-23rcallahan
Shu-thing280.0A vector shooter game (bsd3, game, program)2018-03-15AlanHawkins, GwernBranwen
SimpleAES280.0Fast AES encryption/decryption for bytestrings (bsd3, cryptography, library)2010-05-16DavidHimmelstrup
SimpleEA230.0Simple evolutionary algorithm framework. (ai, bsd3, library)2012-06-15ErlendHamberg
SimpleGL (deprecated in favor of definitive-graphics)100.0A Simple Graphics Library from the SimpleH framework. (bsd3, deprecated, graphics, library)2013-09-17MarcCoiffier
SimpleLog190.0Simple, configurable logging (bsd3, library, system)2015-01-19AndrasSlemmer
Smooth70.0A tiny, lazy SMT solver (bsd3, library, math)2014-11-05dillonhuff
Snusmumrik (deprecated)80.0E-library directory based on FUSE virtual file system. (bsd3, deprecated, program, text)2010-03-20SergeyAstanin
SoOSiM160.0Abstract full system simulator (bsd3, library, simulation)2012-06-19ChristiaanBaaij
SoccerFun810.0Football simulation framework for teaching functional programming (ai, bsd3, education, game, library, program)2015-12-02JanRochel
SoccerFunGL220.0OpenGL UI for the SoccerFun framework (ai, bsd3, education, game, library, program)2015-12-02JanRochel
SpaceInvaders890.0Video game (bsd3, game, program)2021-10-08GeorgeGiorgidze, IvanPerez, keera_studios_ci
SpacePrivateers80.0Simple space pirate roguelike (bsd3, game, program)2014-08-08tuturto
SpinCounter90.0Lock free Spin Counter (bsd3, data, library)2015-01-24julek
Spintax500.0Random text generation based on spintax (bsd3, library, text)2021-04-11MichelBoucey
Spock3042.75Another Haskell web framework for rapid development (bsd3, library, web)2020-12-09AlexanderThiemann
Spock-api170.0Another Haskell web framework for rapid development (bsd3, library, web)2020-12-09AlexanderThiemann
Spock-api-ghcjs130.0Another Haskell web framework for rapid development (bsd3, library, web)2020-12-09AlexanderThiemann
Spock-api-server150.0Another Haskell web framework for rapid development (bsd3, library, web)2020-12-09AlexanderThiemann
Spock-auth (deprecated)130.0Provides authentification helpers for Spock (bsd3, deprecated, library, web)2014-07-13AlexanderThiemann
Spock-core1200.0Another Haskell web framework for rapid development (bsd3, library, web)2020-12-09AlexanderThiemann
Spock-lucid260.0Lucid support for Spock (bsd3, library, web)2017-08-05Artyom
SpreadsheetML200.0Write support for Excel's SpreadsheetML format (bsd3, library, text)2012-02-21JasonDagit
Sprig (deprecated)100.0Binding to Sprig (bsd3, deprecated, foreign-binding, library)2010-01-11LiamOConnorDavis
Stack542.25Stack data structure (bsd3, data-structures, library)2019-01-18rwlock
Stasis70.0A simple MVCC like library (bsd3, concurrency, library, program)2014-01-13zcourts
StateVar17630.0State variables (bsd3, data, library)2021-07-25EdwardKmett, SvenPanne, phadej, ryanglscott
StateVar-transformer80.0State variables (bsd3, data, library)2014-03-06seagull
Stomp80.0Client library for Stomp brokers. (bsd3, library, network)2011-07-01VitaliyRukavishnikov
Strafunski-ATermLib160.0An abstract data type designed for the exchange of tree-like data structures (bsd3, data, library)2013-05-03JamesKoppel
Strafunski-Sdf2Haskell70.0Converts SDF to Haskell (bsd3, language, program)2013-05-03JamesKoppel
Strafunski-StrategyLib390.0Library for strategic programming (bsd3, generics, library)2018-03-11AlanZimmerman, JamesKoppel
StrappedTemplates210.0General purpose templates in haskell (bsd3, library, text)2015-07-12hansonkd
Stream5650.0A library for manipulating infinite lists. (bsd3, data, library)2015-02-06WouterSwierstra
SuffixStructures80.0Suffix array construction (bsd3, data, data-structures, library, program)2015-05-07ChristianHoener
Sysmon110.0Sybase 15 sysmon reports processor (bsd3, database, library)2011-03-07VitaliyRukavishnikov
TBC70.0Testing By Convention (bsd3, library, program, testing)2012-06-24PeterGammie
TBit180.0Utilities for condensed matter physics tight binding calculations. (bsd3, library, science)2015-04-20danielsmw
TCache1800.0A Transactional cache with user-defined persistence (bsd3, data, database, library)2017-02-11AlbertoCorona
THEff150.0TH implementation of effects. (bsd3, control, effect, library, th-)2017-01-22kolodeznydiver
TV290.0Tangible Values -- composable interfaces (bsd3, interfaces, library)2013-08-14ConalElliott
TYB110.0Template Your Boilerplate - a Template Haskell version of SYB (bsd3, generics, library)2013-02-18MichaelAdams, ThomasDuBuisson
TableAlgebra110.0Ferry Table Algebra (bsd3, database, library)2011-08-17JeroenWeijers
Tables140.0A client for Quill databases (bsd3, database, program)2014-04-26NatePisarski
Tablify70.0Tool to render CSV into tables of various formats (bsd3, program, text)2011-04-21DanielLyons
Tahin50.0Tahin Password Generator (bsd3, library, password, program)2016-04-06mtesseract
Tainted170.0Tainted type, and associated operations (bsd3, control, data, library, monads, trans)2015-05-27RossMeikleham
Takusen432.0Database library with left-fold interface, for PostgreSQL, Oracle, SQLite, ODBC. (bsd3, database)2011-01-26AlistairBayley, DonaldStewart, JasonDagit
Tape50.0Bidirectionally infinite streams, akin to the tape of a Turing machine. (bsd3, data, library)2014-06-28kwf
TaskMonad140.0A collection of tools which can be used to access taskwarrior from xmonad. (bsd3, library, xmonad)2019-03-30mmagorsc
TeaHS (deprecated)90.0TeaHS Game Creation Library (bsd3, deprecated, game, library)2010-06-05LiamOConnorDavis
Tensor390.0Tensor data types (bsd3, data, library)2018-07-25SvenPanne
TernaryTrees700.0Efficient pure ternary tree Sets and Maps (bsd3, data-structures, library, program)2011-01-22AlexMason
Thingie (deprecated in favor of Hieroglyph)110.0Purely functional 2D drawing (bsd3, deprecated, graphics, library)2008-12-18JeffersonHeard
TicTacToe70.0A sub-project (exercise) for a functional programming course (bsd3, education, library)2011-02-15TonyMorris
TinyLaunchbury90.0Simple implementation of call-by-need using Launchbury's semantics (bsd3, compilers-interpreters, library)2011-06-20DavidSankel
TinyURL60.0Use TinyURL to compress URLs (bsd3, library, web)2009-02-16ReidBarton
TraceUtils300.0Functions that should have been in Debug.Trace (bsd3, development, library)2012-10-15EyalLotem
TransformeR (deprecated)60.0eDSL in R for Safe Variable Transformarion (bsd3, deprecated, dsl, library, program, security, statistics)2016-08-04remy
TransformersStepByStep90.0Tutorial on monad transformers. (bsd3, development, program)2015-05-27MartinGrabmueller
Transhare70.0A library to apply transformation to containers so as to maximize sharing of unchanged subcomponents. (bsd3, data, library)2011-06-19ChrisKuklewicz
TreeCounter60.0Wait-free Tree Counter (bsd3, data, library)2015-01-24julek
TreeStructures120.0A collection of heaps and search trees (bsd3, data-structures, library)2010-03-15BrendanHickey
Treiber170.0Lock free Treiber stack (bsd3, data, library)2015-01-31julek
TrieMap1050.0Automatic type inference of generalized tries with Template Haskell. (algorithms, bsd3, library)2013-04-18LouisWasserman
Twofish210.0An implementation of the Twofish Symmetric-key cipher. (bsd3, codec, cryptography, library)2013-09-07RonLeisti
TypeClass200.0Typing speed game (bsd3, game, program)2014-01-31JeanPhilippeMoresmau
TypeCompose1560.0Type composition classes & instances (bsd3, composition, control, library)2018-11-07ConalElliott
TypeIlluminator80.0TypeIlluminator is a prototype tool exploring debugging of type errors/ (bsd3, compilers-interpreters, program)2008-02-19GwernBranwen
UISF490.0Library for Arrowized Graphical User Interfaces. (bsd3, gui, library)2015-09-02dwincort
URLT (deprecated in favor of web-routes)60.0Library for maintaining correctness of URLs within an application. (bsd3, deprecated, language, library, web)2010-03-16JeremyShaw
URLb50.0DEPRECATED A simple, liberal URL parser. (bsd3, library, text)2012-03-14JasonDusek
Unique10382.0It provides the functionality like unix "uniq" utility (bsd3, data, library)2021-09-30kapral
Unixutils1090.0A crude interface between Haskell and Unix-like operating systems (bsd3, library, system)2021-06-21DavidFox, JeremyShaw
Unixutils-shadow90.0A simple interface to shadow passwords (aka, shadow.h) (bsd3, library, system)2012-03-05JeremyShaw
UrlDisp120.0Url dispatcher. Helps to retain friendly URLs in web applications. (bsd3, library, network, web)2009-02-04ArtyomShalkhakov
Useful220.0Some useful functions and shorthands. (bsd3, library, unclassified)2010-12-22DanielHolden
UtilityTM240.0Utility functions that are missing from the standard library (bsd3, development, library)2011-09-29TonyMorris
VKHS940.0Provides access to Vkontakte social network via public API (bsd3, library, program, web)2019-01-15SergeyMironov
Validation (deprecated in favor of validation)170.0A data-type like Either but with an accumulating Applicative (bsd3, data, deprecated, library)2012-08-14TonyMorris
Vec330.0Fixed-length lists and low-dimensional linear algebra. (bsd3, data, library, math)2014-08-06ScottDillard
Vec-Boolean310.0Provides Boolean instances for the Vec package (bsd3, data, library, math)2012-08-05TobiasBexelius
Vec-OpenGLRaw120.0Instances and functions to interoperate Vec and OpenGL. (bsd3, graphics, library, math)2010-06-28ChristopherLaneHinson
Vec-Transform430.0This package is obsolete (bsd3, graphics, library, math)2012-08-05TobiasBexelius
VecN50.0a simple peano-indexed vector type (bsd3, data, library)2012-03-03AndrasSlemmer
ViennaRNA-extras80.0ViennaRNA v2 extensions (bioinformatics, bsd3, library)2017-11-23ChristianHoener
Villefort1661.5Villefort is a task manager and time tracker (bsd3, library, program, task, web)2019-04-30AliceReuter
Vulkan90.0A binding for the Vulkan API (bsd3, graphics, library)2016-01-11SvenPanne
VulkanMemoryAllocator3482.0Bindings to the VulkanMemoryAllocator library (bsd3, graphics, library)2021-10-14jophish
WAVE250.0WAVE audio file IO library (bsd3, data, library, program, sound)2020-04-02BartonMassey
WL500gPControl150.0A simple command line tools to control the Asus WL500gP router (bsd3, network, program, ui)2009-10-28VasylPasternak
WL500gPLib100.0A simple library to access to the WL 500gP router from the Haskell code (bsd3, library, network, program)2009-10-15VasylPasternak
WURFL (deprecated)30.0Convert the WURFL file into a Parsec parser (bsd3, deprecated, library, web)2007-09-30alpheccar
WXDiffCtrl80.0WXDiffCtrl (bsd3, gui, library, user-interfaces)2010-01-11JeremyODonoghue
WashNGo130.0WASH is a family of EDSLs for programming Web applications in Haskell. (bsd3, library, program, web)2010-05-08MarcWeber
Weather170.0Library for interacting with the Weather Underground JSON API. (bsd3, library, net)2015-04-16bstamour
WebBits (deprecated in favor of language-ecmascript)520.0JavaScript analysis tools (bsd3, deprecated, language, library)2012-05-10AndreyChudnov, ArjunGuha
WebCont100.0Continuation based web programming for Happstack (bsd3, library, web)2010-07-02SamAnklesaria
WeberLogic110.0Logic interpreter (bsd3, library, math, program)2014-03-17cameronbwhite
Webrexp140.0Regexp-like engine to scrap web data (bsd3, library, program, utility)2013-05-28VincentBerthoux
Wheb270.0The frictionless WAI Framework (bsd3, library, web)2014-09-14hansonkd
WikimediaParser70.0A parser for wikimedia style article markup. (bsd3, library, parsing)2009-02-06EzekielSmithburg
Win324222.0A binding to Windows Win32 API. (bsd3, graphics, system, windows)2021-09-08BenGamari, BryanOSullivan, IanLynagh, TamarChristina
Win32-console120.0Binding to the Win32 console API (bsd3, console, library, user-interfaces)2016-09-12siracusa
Win32-dhcp-server300.0Win32 DHCP Server Management API (bsd3, library, system)2015-08-24MichaelSteele
Win32-errors400.0Alternative error handling for Win32 foreign calls (bsd3, library, system)2019-09-15MichaelSteele, gussen
Win32-extras170.0Provides missing Win32 API (bsd3, graphics, library, system)2013-11-13KidoTakahiro
Win32-junction-point200.0Support for manipulating NTFS junction points. (bsd3, library, system)2015-03-30MichaelSteele
Win32-notify260.0A binding to part of the Win32 library for file notification (bsd3, library, system)2017-09-12GregWeber, MarkDittmer, NiklasBroberg, PepeIborra
Win32-services590.0Windows service applications (bsd3, library, system)2019-05-15MichaelSteele, gussen
Win32-services-wrapper160.0Wrapper code for making a Win32 service (bsd3, library, system)2015-05-27GaneshSittampalam
Win32-shortcut80.0Support for manipulating shortcuts (.lnk files) on Windows (bsd3, library, system)2017-01-13lato
Wired150.0Wire-aware hardware description (bsd3, hardware, language, library)2014-05-06EmilAxelsson
WordNet190.0Haskell interface to the WordNet database (bsd3, library, natural-language-processing, text)2013-08-26JoelTaylor, MaxRabkin
WordNet-ghc74110.0Haskell interface to the WordNet database (bsd3, library, natural-language-processing, text)2013-09-06JoelTaylor
Workflow1282.0Workflow patterns over a monad for thread state logging & recovery (bsd3, control, library, workflow)2015-05-01AlbertoCorona
X116322.0A binding to the X11 graphics library (bsd3, graphics, library)2021-08-15DanielWagner, DonaldStewart, PeterJones, PeterSimons, SpencerJanssen, TomasJanousek, psibi, dminuoso, xmonad
X11-extras290.0Missing bindings to the X11 graphics library (bsd3, graphics, library)2007-10-12DonaldStewart, SpencerJanssen
X11-rm62.0A binding to the resource management functions missing from X11. (bsd3, graphics, library)2011-09-06TroelsHenriksen
X11-xdamage160.0A binding to the Xdamage X11 extension library (bsd3, graphics, library)2011-05-26DonaldStewart, EwanHiggs
X11-xshape110.0A binding to the Xshape X11 extension library (bsd3, graphics, library)2010-04-27DonaldStewart, EwanHiggs
XInput50.0Bindings for the DirectX XInput library. (bsd3, library, system)2009-02-23ErikCharlebois
XML60.0Extensible Markup Language (bsd3, data, library)2018-08-19
XMPP160.0XMPP library (bsd3, library, network)2009-12-03GregoriKholomyev, OlegIvanov
XSaiga312.0An implementation of a polynomial-time top-down parser suitable for NLP (attribute-grammars, bsd3, library, memoization, natural-language-processing, parser-combinators, parsing, program, text)2020-10-07InBetweenNames
Xauth120.0A binding to the X11 authentication library (bsd3, graphics, library)2009-01-06SpencerJanssen
Xec30.0Gtk command launcher with identicon (bsd3, program, utils)2012-12-20DaikiHanda
XmlHtmlWriter112.0A library for writing XML and HTML (bsd3, language, library)2012-05-25MatthewMirman
YFrob50.0Yampa-based library for programming robots (bsd3, frp, library, reactivity, yampa, yampa-)2010-10-12TristanSkudlik
Yablog240.0A simple blog engine powered by Yesod. (bsd3, web)2013-01-01HiromiIshii
Yampa5172.5Elegant Functional Reactive Programming Language for Hybrid Systems (bsd3, frp, library, reactivity)2021-10-08GeorgeGiorgidze, IvanPerez, keera_studios_ci
Yampa-core70.0Library for programming hybrid systems. (bsd3, frp, library, reactivity)2015-06-25NikolayOrlyuk
YampaSynth260.0Software synthesizer (bsd3, music, sound)2014-05-30GeorgeGiorgidze, IvanPerez, keera_studios_ci
Yogurt160.0A MUD client library (bsd3, library, network)2011-06-18MartijnVanSteenbergen
Yogurt-Standalone80.0A functional MUD client (bsd3, network, program)2009-04-10MartijnVanSteenbergen
Z-Botan192.0Crypto for Haskell (bsd3, data, library)2021-06-04winterland
Z-Data1942.5Array, vector and text (bsd3, data, library)2021-07-25winterland, lyndward
Z-IO1112.0Simple and high performance IO toolkit for Haskell (bsd3, data, library)2021-07-08winterland, lyndward
Z-MessagePack230.0MessagePack (bsd3, data, library)2021-04-25winterland, lyndward
Z-YAML140.0YAML tools (bsd3, data, library)2021-04-25winterland, lyndward
ZEBEDDE (deprecated)80.0Polymer growth simulation method (bsd3, deprecated, library, math)2015-07-29hackrilege
ZMachine90.0A Z-machine interpreter (bsd3, game, program)2008-03-29GwernBranwen
ZipFold180.0Zipping folds (bsd3, data, library)2009-07-12ConalElliott
ZipperAG430.0An implementationg of Attribute Grammars using Functional Zippers (bsd3, experimental, library)2014-10-19prmartins
Zora450.0Graphing library wrapper + assorted useful functions (bsd3, library, unclassified)2015-05-16bgwines
Zwaluw30.0Combinators for bidirectional URL routing (bsd3, library, text)2010-11-07MartijnVanSteenbergen
abc-puzzle130.0Generate instances of the ABC Logic Puzzle. (bsd3, game, program)2014-08-01PatrickBahr
abcBridge270.0Bindings for ABC, A System for Sequential Synthesis and Verification (bsd3, data, library)2015-12-12AaronTomb, KevinQuick, RobertDockins
abcnotation500.0Haskell representation and parser for ABC notation. (bsd3, library, music)2015-06-30HansHoglund
abides120.0Simple boolean tests to see if a value abides by certain properties (bsd3, data, library, testing)2019-09-23athanclark
abstract-deque5920.0Abstract, parameterized interface to mutable Deques. (bsd3, data-, library)2014-02-05RyanNewton
abstract-deque-tests120.0A test-suite for any queue or double-ended queue satisfying an interface (bsd3, data-, library)2014-02-05RyanNewton
abstract-par5300.0Type classes generalizing the functionality of the 'monad-par' library. (bsd3, control, library, monads, parallelism)2013-11-06RyanNewton
abstract-par-accelerate130.0Provides the class ParAccelerate, nothing more. (bsd3, library, parallelism)2012-05-14RyanNewton
ac-machine170.0Aho-Corasick string matching algorithm in Haskell (bsd3, data, library)2013-09-30YutaTaniguchi
ac-machine-conduit80.0Drive Aho-Corasick machines in Conduit pipelines (bsd3, data, library)2013-09-30YutaTaniguchi
accelerate1472.5An embedded language for accelerated array processing (accelerate, bsd3, compilers-interpreters, concurrency, data, library, parallelism)2020-08-28ManuelChakravarty, TrevorMcDonell
accelerate-arithmetic310.0Linear algebra and interpolation using the Accelerate framework (bsd3, library, math)2018-03-17HenningThielemann
accelerate-bignum170.0Fixed-length large integer arithmetic for Accelerate (accelerate, bsd3, data, library)2020-08-28TrevorMcDonell
accelerate-blas250.0Numeric Linear Algebra in Accelerate (accelerate, bsd3, library, math)2020-08-28TrevorMcDonell
accelerate-cublas90.0Basic Linear Algebra using native CUBLAS library (bsd3, library, math, program)2017-04-23HenningThielemann
accelerate-cuda (deprecated in favor of accelerate-llvm-ptx)620.0Accelerate backend for NVIDIA GPUs (bsd3, compilers-interpreters, concurrency, data, deprecated, library, parallelism)2017-03-31ManuelChakravarty, TrevorMcDonell
accelerate-cufft200.0Accelerate frontend to the CUFFT library (Fourier transform) (bsd3, library, math)2017-12-15HenningThielemann
accelerate-examples560.0Examples using the Accelerate library (accelerate, bsd3, library)2020-08-28ManuelChakravarty, TrevorMcDonell
accelerate-fft350.0FFT using the Accelerate library (accelerate, bsd3, library, math)2020-08-28TrevorMcDonell
accelerate-fftw170.0Accelerate frontend to the FFTW library (Fourier transform) (bsd3, library, math)2018-03-17HenningThielemann
accelerate-fourier400.0Fast Fourier transform and convolution using the Accelerate framework (bsd3, library, math)2018-03-17HenningThielemann
accelerate-fourier-benchmark140.0Compare different implementations of the Fast Fourier Transform (bsd3, math, program)2017-04-23HenningThielemann
accelerate-io850.0Convert between Accelerate arrays and raw pointers (accelerate, bsd3, data, library)2020-08-28ManuelChakravarty, TrevorMcDonell
accelerate-io-JuicyPixels130.0Convert between Accelerate arrays and JuicyPixels images (accelerate, bsd3, data, library)2020-08-28TrevorMcDonell
accelerate-io-array140.0Convert between Accelerate and array (accelerate, bsd3, data, library)2020-08-28TrevorMcDonell
accelerate-io-bmp110.0Convert between Accelerate arrays and BMP images (accelerate, bsd3, data, library)2020-08-28TrevorMcDonell
accelerate-io-bytestring190.0Convert between Accelerate and ByteString (accelerate, bsd3, data, library)2020-08-28TrevorMcDonell
accelerate-io-cereal60.0Binary serialisation of Accelerate arrays using cereal (accelerate, bsd3, data, library)2020-08-28TrevorMcDonell
accelerate-io-repa90.0Convert between Accelerate and Repa arrays (accelerate, bsd3, data, library)2020-08-28TrevorMcDonell
accelerate-io-serialise50.0Binary serialisation of Accelerate arrays using serialise (accelerate, bsd3, data, library)2021-01-05TrevorMcDonell
accelerate-io-vector200.0Convert between Accelerate and vector (accelerate, bsd3, data, library)2020-08-28TrevorMcDonell
accelerate-kullback-liebler132.0Kullback-Liebler divergence (accelerate, array, bsd3, library)2020-09-01vmchale
accelerate-llvm520.0Accelerate backend component generating LLVM IR (accelerate, bsd3, compilers-interpreters, concurrency, data, library, parallelism)2020-08-28TrevorMcDonell
accelerate-llvm-native450.0Accelerate backend for multicore CPUs (accelerate, bsd3, compilers-interpreters, concurrency, data, library, parallelism)2020-08-28TrevorMcDonell
accelerate-llvm-ptx512.0Accelerate backend for NVIDIA GPUs (accelerate, bsd3, compilers-interpreters, concurrency, data, library, parallelism)2020-08-28TrevorMcDonell
accelerate-random (deprecated in favor of mwc-random-accelerate)60.0Generate Accelerate arrays filled with high quality pseudorandom numbers (bsd3, data, deprecated, library)2015-10-16TrevorMcDonell
accelerate-utility300.0Utility functions for the Accelerate framework (bsd3, library, parallelism)2018-03-17HenningThielemann
accentuateus240.0A Haskell implementation of the Accentuate.us API. (bsd3, library, web)2011-06-03MichaelSchade
access-time340.0Cross-platform support for retrieving file access times (bsd3, library, system)2012-02-03MaxBolingbroke
access-token-provider90.0Provides Access Token for Services (bsd3, data, library)2018-05-01mtesseract
accuerr140.0Data type like Either but with accumulating error type (bsd3, development, library)2016-06-18OmariNorman
ace180.0Attempto Controlled English parser and printer (bsd3, library, linguistics)2014-11-28ChrisDone
acl240.0Writing and calling ACL2 from Haskell. (bsd3, formal-methods, language, library)2014-10-01TomHawkins
acme-box210.0A full featured empty project (acme, bsd3, library, program)2015-07-11twebb
acme-cofunctor122.0A Cofunctor is a structure from category theory dual to Functor (acme, bsd3, library)2017-05-13JasperVanDerJeugt
acme-colosson90.0Determines whether it is numberwang. (acme, bsd3, library)2011-10-18KeeganMcAllister
acme-comonad70.0A more efficient dualization (bsd3, library, ntrol)2012-12-08JoeQuinn
acme-dont1140.0A "don't" construct (acme, bsd3, library)2020-04-01GracjanPolak, jack
acme-flipping-tables80.0Stop execution with rage. (acme, bsd3, library)2015-06-30JacobStanley
acme-functors82.0The best applicative functors. (acme, bsd3, library)2017-03-12chris_martin
acme-grawlix130.0More readable names for commonly used symbols (acme, bsd3, library)2015-08-10kadoban
acme-http220.0fastest Haskell PONG server in the world (bsd3, library, program, web)2016-08-05JeremyShaw
acme-kitchen-sink90.0A place for dumping that does-not-feel-right code while you improve it (bsd3, library, other)2017-02-21marcosdumay
acme-lolcat100.0LOLSPEAK translator (acme, bsd3, library)2015-04-06AntonNikishaev
acme-lookofdisapproval90.0Express your disapproval (acme, bsd3, library)2013-07-17AntonNikishaev
acme-microwave170.0The eighth wonder of the world, kitchen math! (acme, bsd3, library)2015-02-07JoeQuinn
acme-numbersystem190.0Define the less than and add and subtract for nats (acme, bsd3, library)2014-01-09MaxwellSwadling
acme-omitted200.0A name for omitted definitions (acme, bsd3, library)2016-08-19JoachimFasting
acme-operators102.25Operators of base, all in one place! (bsd3, documentation, library)2015-07-15phadej
acme-php230.0The flexibility of Haskell and the safety of PHP (acme, bsd3, library)2016-04-20JoeQuinn
acme-pointful-numbers90.0Make more than one point in numeric literals (acme, bsd3, library)2014-05-07AntonNikishaev
acme-realworld120.0Primitives for manipulating the state of the universe (acme, bsd3, library)2011-12-09JoeyAdams
acme-schoenfinkel132.0Proper names for curry and uncurry (acme, bsd3, library)2013-08-30ErtugrulSoeylemez, esz
acme-smuggler120.0Smuggle arbitrary values in arbitrary types (acme, bsd3, library)2018-10-02benc
acme-strfry80.0A binding to the glibc strfry function. (acme, bsd3, library)2012-01-26ElliottHird
acme-stringly-typed90.0Stringly Typed Programming (acme, bsd3, library)2014-08-29SvenStruett
acme-this80.0import This (bsd3, library, this)2019-04-17TobiasDammers
acme-timemachine140.0An easy way to perform and unperform IO and other stateful actions. (acme, bsd3, library)2015-06-09mniip
action-permutations150.0Execute a set of actions (e.g. parsers) in each possible order (bsd3, control, library)2014-04-11RossPaterson
active4830.0Abstractions for animation (bsd3, data, library)2021-05-24BrentYorgey, RyanYates, jeffreyrosenbluth, bergey, cchalmers
activehs270.0Haskell code presentation tool (bsd3, documentation, education, program)2017-07-30PeterDivianszky, lspitzner, GaborPali, gombocarti
activehs-base270.0Basic definitions for activehs (bsd3, documentation, education, library)2016-05-24PeterDivianszky, lspitzner, GaborPali, gombocarti
activitypub40.0ActivityPub Haskell Library (bsd3, library, web)2018-09-16LukeHoersten
activitystreams-aeson110.0An interface to the ActivityStreams specification (bsd3, codec, library)2016-02-21gdritter
actor90.0Actors with multi-headed receive clauses (bsd3, concurrency, library)2008-10-22MartinSulzmann
acts100.0Semigroup actions and torsors. (algebra, bsd3, library, math)2020-02-23sheaf
ad2332.5Automatic Differentiation (bsd3, library, math)2020-10-13EdwardKmett, EricMertens, ryanglscott
ad-delcont92.25Reverse-mode automatic differentiation with delimited continuations (bsd3, library, machine-learning, math, numeric, optimisation, optimization)2021-07-20ocramz
adaptive-containers210.0Self optimizing container types (bsd3, data, library)2009-04-11DonaldStewart
adaptive-tuple140.0Self-optimizing tuple types (bsd3, data, library)2010-03-16JohnLato
adb120.0Android Debug Bridge (ADB) protocol (bsd3, library, network)2018-05-22StephenBlackheath
addLicenseInfo90.0Adds license info to the top of a file. (bsd3, development, program)2009-12-03JoeFredette
adict240.0Approximate dictionary searching (bsd3, library, natural-language-processing)2013-07-23JakubWaszczuk
adjunction60.0See README for more info (adjunctions, bsd3, library, math)2020-02-01
adjunctions10562.25Adjunctions and representable functors (adjunctions, bsd3, data-structures, library)2018-01-28EdwardKmett, EricMertens, ryanglscott, AaronVargo
adler32162.0An implementation of Adler-32, supporting rolling checksum operation (bsd3, cryptography, hash, library)2018-03-15MariosTitas
adobe-swatch-exchange110.0parse Adobe Swatch Exchange files and (optionally) output .css files with the colors (bsd3, library, program, web)2013-04-12JeremyShaw
adp-multi310.0ADP for multiple context-free languages (algorithms, bioinformatics, bsd3, data-structures, library)2013-05-29MaikRiechert
adp-multi-monadiccp140.0Subword construction in adp-multi using monadiccp (algorithms, bioinformatics, bsd3, data-structures, library)2013-05-29MaikRiechert
advent-of-code-api800.0Advent of Code REST API bindings and servant API (bsd3, library, web)2020-12-14jle
advent-of-code-ocr80.0Parse Advent of Code ASCII art letters (bsd3, library, program, text)2020-12-05jle
aern2-mp680.0Multi-precision ball (interval) arithmetic (bsd3, library, math)2021-08-03MichalKonecny
aern2-real620.0Real numbers as sequences of MPBalls (bsd3, library, math)2021-08-03MichalKonecny
aeson68462.75Fast JSON parsing and encoding (bsd3, json, library, text, web)2021-10-09AdamBergmark, BasVanDijk, BryanOSullivan, HerbertValerioRiedel, phadej, lyxia
aeson-attoparsec70.0Embed an Attoparsec text parser into an Aeson parser (bsd3, library, web)2017-11-15athanclark
aeson-coerce60.0Initial project template from stack (bsd3, library, web)2016-06-21angerman
aeson-combinators370.0Aeson combinators for dead simple JSON decoding (bsd3, json, library, text, web)2021-03-13MarekFajkus
aeson-commit860.0Parse Aeson data with commitment (bsd3, json, library, text, web)2021-10-13jonascarpay
aeson-compat3570.0Compatibility layer for aeson (bsd3, library, web)2021-10-09phadej
aeson-default110.0Apply default value to FromJSON instacnes' Maybe fields (bsd3, default, hkd, json, library)2020-02-04gqk007
aeson-diff1612.0Extract and apply patches to JSON documents. (algorithms, bsd3, json, library, program, web)2020-05-22ThomasSutton
aeson-diff-generic170.0Apply a json-patch to any haskell datatype. (bsd3, json, library, web)2018-04-17KristofBastiaensen
aeson-extra3510.0Extra goodies for aeson (aeson, bsd3, data, library)2021-10-09phadej
aeson-filthy230.0Several newtypes and combinators for dealing with less-than-cleanly JSON input. (bsd3, json, library, text, web)2019-12-08AlecHeller
aeson-flat80.0Tools for creating flat JSON serializations (bsd3, library, web)2017-04-11seanhess
aeson-flatten130.0JSON flatten for Aeson (bsd3, json, library, text, web)2016-05-03JiriMarsicek
aeson-flowtyped250.0Create Flow type definitions from Haskell data types. (bsd3, library, web)2017-08-07MikeLedger
aeson-gadt-th442.0Derivation of Aeson instances for GADTs (bsd3, json, library)2020-11-19CaleGibbard, abrar
aeson-generic-compat210.0Compatible generic class names of Aeson (bsd3, library, text)2018-08-25KeiHibino
aeson-helper70.0Aeson helper func (aeson, bsd3, data, library)2020-08-13Lupino
aeson-iproute290.0Aeson instances for iproute types (bsd3, data, library)2020-11-08sickmind, MaxGabriel
aeson-lens810.0Lens of Aeson (bsd3, data, library)2013-02-14HideyukiTanaka
aeson-native (deprecated in favor of aeson)230.0Fast JSON parsing and encoding (deprecated) (bsd3, deprecated, json, library, text, web)2012-01-19MichaelSnoyman
aeson-parsec-picky100.0Alternative JSON parser based on Parsec and Aeson (bsd3, json, library, text)2015-12-11MatejKollar
aeson-picker320.0Tiny library to get fields from JSON format (bsd3, json, library, text, web)2019-09-07ozzzzz
aeson-prefix160.0Hiearchical prefixing for aeson (bsd3, json, library, text, web)2016-04-17JiriMarsicek
aeson-pretty12360.0JSON pretty-printing library and command-line tool. (bsd3, json, library, pretty-printer, text, web)2019-09-27FalkoPeters, martijnbastiaan
aeson-quick270.0Quick JSON extractions with Aeson (bsd3, json, library, text, web)2019-04-09ssadler
aeson-result30.0API Result for aeson (aeson, api, bsd3, library, web)2020-08-13Lupino
aeson-schemas2042.0Easily consume JSON data on-demand with type-safety (bsd3, json, library, quasiquoters)2021-10-10leapyear
aeson-serialize70.0Simple serialization functions for aeson types (bsd3, library, unclassified)2014-08-01KevinCotrone
aeson-streams70.0An HTTP client library for JSON-based APIs (bsd3, library, web)2014-12-06VoMinhThu
aeson-tiled70.0Aeson instances for the Tiled map editor. (bsd3, game, library, program)2017-10-24SchellScivally
aeson-typescript1400.0Generate TypeScript definition files from your ADTs (bsd3, json, library, text, web)2021-05-28thomasjm
aeson-utils420.0Utilities for working with Aeson. (bsd3, data, library)2015-05-25AdamBergmark, ErikHesselink
aeson-via140.0Wrappers to derive-via Aeson ToJSON/FromJSON typeclasses (bsd3, data, library)2021-09-18ejconlon
aeson-yaml1111.5Output any Aeson value as YAML (pure Haskell library) (bsd3, json, library, text, web, yaml)2020-06-25patrick, janey
affine90.0Affine spaces (generalized) (bsd3, library, math)2018-05-17
affine-invariant-ensemble-mcmc (deprecated in favor of flat-mcmc)40.0General-purpose sampling (bsd3, deprecated, library, machine-learning, numerical, statistics)2012-09-26JaredTobin
afis70.0Anti-forensic Information Splitter (bsd3, cryptography, data, library)2013-10-28VincentHanquez
afv180.0Infinite state model checking of iterative C programs. (bsd3, formal-methods, program)2010-03-31TomHawkins
ag-pictgen80.0Attribute Grammar picture generation (bsd3, development, program)2016-01-30AtzeDijkstra
agda-server150.0Http server for Agda (prototype) (bsd3, dependent-types, program)2013-10-03PeterDivianszky
agda-snippets (deprecated in favor of Agda)130.0Render just the Agda snippets of a literate Agda file to HTML (bsd3, dependent-types, deprecated, library, program)2017-06-04LiamOConnorDavis
agda-snippets-hakyll (deprecated in favor of Agda)280.0Literate Agda support using agda-snippets, for Hakyll pages. (bsd3, dependent-types, deprecated, library)2017-06-04LiamOConnorDavis
agentx320.0AgentX protocol for write SNMP subagents (bsd3, library, network)2015-06-15chemist
aig260.0And-inverter graphs in Haskell. (bsd3, data, library)2018-06-12AaronTomb, KevinQuick, RobertDockins
aip160.0Aeronautical Information Package (AIP) (aviation, bsd3, data, library, program)2019-03-04qfpl
air500.0air (bsd3, development, library)2015-05-03JinjingWang
air-extra370.0air-extra (bsd3, development, library)2015-05-03JinjingWang
air-spec80.0air spec helper (bsd3, development, library)2013-07-01JinjingWang
air-th130.0air (bsd3, development, library)2014-11-17JinjingWang
airbrake140.0An Airbrake notifier for Haskell (bsd3, library, network)2014-06-08JoelTaylor
airtable-api430.0Requesting and introspecting Tables within an Airtable project. (bsd3, library, web)2017-03-10ooblahman
aivika1662.0A multi-method simulation library (bsd3, library, simulation)2021-03-31DavidSorokin
aivika-branches430.0Nested discrete event simulation module for the Aivika library (bsd3, library, simulation)2021-03-31DavidSorokin
aivika-distributed1080.0Parallel distributed discrete event simulation module for the Aivika library (bsd3, library, simulation)2018-05-06DavidSorokin
aivika-experiment1050.0Simulation experiments for the Aivika library (bsd3, library, simulation)2021-03-31DavidSorokin
aivika-experiment-cairo390.0Cairo-based charting backend for the Aivika simulation library (bsd3, library, simulation)2017-09-30DavidSorokin
aivika-experiment-chart820.0Simulation experiments with charting for the Aivika library (bsd3, library, simulation)2017-11-25DavidSorokin
aivika-experiment-diagrams330.0Diagrams-based charting backend for the Aivika simulation library (bsd3, library, simulation)2017-09-30DavidSorokin
aivika-gpss310.0GPSS-like DSL for Aivika (bsd3, library, simulation)2021-03-31DavidSorokin
aivika-lattice370.0Nested discrete event simulation module for the Aivika library using lattice (bsd3, library, simulation)2021-03-31DavidSorokin
aivika-realtime240.0Soft real-time simulation module for the Aivika library (bsd3, library, simulation)2021-03-31DavidSorokin
aivika-transformers1370.0Transformers for the Aivika simulation library (bsd3, library, simulation)2021-03-31DavidSorokin
al400.0OpenAL 1.1 raw API. (bsd3, library, sound)2018-03-17DimitriSabadie
alarmclock1400.0Wake up and perform an action at a certain time. (bsd3, concurrency, library)2020-08-07dcturner, dten
alerta390.0Bindings to the alerta REST API (api, bsd3, library, monitoring, web)2017-11-12MarkHopkins
alerts170.0Alert messages for web applications (bsd3, library, web)2019-06-28alx741, DanielCampoverde
alex10712.0Alex is a tool for generating lexical analysers in Haskell (bsd3, development, program)2020-12-15JohnEricson, SimonMarlow
alex-meta830.0Quasi-quoter for Alex lexers (bsd3, development, library)2021-03-13JonasDuregard, ArtemPelenitsyn
alex-prelude190.0Collection of useful functions for writing console applications (bsd3, library, system)2017-09-12AlexSayers
alfred200.0utility library for Alfred version 2 (bsd3, library, utils)2015-05-17PatrickBahr
alfred-margaret110.0Fast Aho-Corasick string searching (bsd3, data, library, text)2020-10-19rkrzr
alg (deprecated)1070.0Algebraic structures (bsd3, deprecated, library, math)2019-12-24
algebra1740.0Constructive abstract algebra (algebra, bsd3, library, math)2017-12-25EdwardKmett, HiromiIshii, WolfgangJeltsch
algebra-checkers60.0Model and test API surfaces algebraically (bsd3, library, model)2020-03-19isovector
algebra-dag100.0Infrastructure for DAG-shaped relational algebra plans (bsd3, database, library)2015-05-29AlexUlrich2
algebra-driven-design140.0Companion library for the book Algebra-Driven Design by Sandy Maguire (book, bsd3, library)2020-09-01isovector
algebra-sql140.0Relational Algebra and SQL Code Generation (bsd3, database, library, program)2015-05-29AlexUlrich2
algebraic130.0General linear algebra structures. (algebra, bsd3, library, math)2014-06-17danilo2, Korri, MarcinMikolajczyk, iamrecursion
algebraic-classes810.0Conversions between algebraic classes and F-algebras. (bsd3, data, generics, library, math)2020-01-06SjoerdVisscher
algebraic-graphs-io320.0I/O utilities and datasets for algebraic-graphs (bsd3, data-mining, graphs, library, parsing)2020-12-30ocramz
algebraic-prelude172.0Algebraically structured Prelude (bsd3, library, web)2017-12-01HiromiIshii
algolia70.0A client implementing the Algolia search API (bsd3, library, web)2018-06-25IanDuncan
align160.0Sequence alignment algorithms. (bsd3, data, library)2015-07-16literon
align-audio30.0Find relative time displacement of two recordings of the same music (bsd3, program, sound)2021-08-05HenningThielemann
alist460.0lists with O(1) append (bsd3, data, library)2019-08-03AlanHawkins
allocated-processor80.0Functional combinators for monadic actions that require allocation and de-allocation (bsd3, control, library)2010-05-23NoamLewis
alloy190.0Generic programming library (bsd3, generics, library)2016-03-06MattGlazar, NeilBrown
alloy-proxy-fd80.0Some add-on instances for the Alloy library (bsd3, generics, library)2009-06-08NeilBrown
ally-invest50.0Ally Invest integration library (bsd3, finance, library)2020-08-30VladLevenfeld
almost-fix130.0Recurse while a predicate is satisfied (bsd3, library, unclassified)2015-07-24athanclark
alms380.0a practical affine language (bsd3, compilers-interpreters, program)2018-08-17JesseTov
alpha920.0A compiler for the Alpha language (bsd3, compiler, program)2013-01-01MarcCoiffier
alphachar140.0A character between a-z (bsd3, data, library)2018-08-09TonyMorris, qfpl
alsa (deprecated in favor of alsa-seq, alsa-pcm, alsa-core)110.0Binding to the ALSA Library API. (bsd3, deprecated, library, music, sound)2009-12-29HenningThielemann
alsa-core1360.0Binding to the ALSA Library API (Exceptions). (bsd3, library, music, sound)2012-04-27HenningThielemann
alsa-gui180.0Some simple interactive programs for sending MIDI control messages via ALSA (bsd3, gui, music, program, sound)2019-08-09HenningThielemann
alsa-mixer1390.0Bindings to the ALSA simple mixer API. (bsd3, library, sound)2018-12-09ThomasTuegel
alsa-pcm630.0Binding to the ALSA Library API (PCM audio). (bsd3, library, music, sound)2018-08-31HenningThielemann
alsa-pcm-tests (deprecated in favor of alsa-pcm)70.0Tests for the ALSA audio signal library. (bsd3, deprecated, music, program, sound)2010-04-08HenningThielemann
alsa-seq832.0Binding to the ALSA Library API (MIDI sequencer). (bsd3, library, music, sound)2021-03-25HenningThielemann
alsa-seq-tests (deprecated in favor of alsa-seq)60.0Tests for the ALSA sequencer library. (bsd3, deprecated, music, program, sound)2009-04-27HenningThielemann
altcomposition180.0Alternative combinators for unorthodox function composition (bsd3, data, library)2016-07-26jcristovao
alternative-extra40.0Extra utilities for alternatives (bsd3, control, library)2017-02-20marcosdumay
alternative-io (deprecated in favor of io-choice)80.0IO as Alternative instance (deprecated) (bsd3, data, deprecated, library)2012-04-23KazuYamamoto
alternative-vector60.0Use vectors instead of lists for many and some (bsd3, library, web)2017-10-11athanclark
alternators530.0Handy functions when using transformers. (bsd3, control, library)2018-07-02louispan
alto30.0Implement a menu experience fit for web users. (bsd3, library, program, web)2018-04-02davean
altsvc90.0HTTP Alternative Services (bsd3, library, network, web)2019-11-24OlivierCheron
always20.0provides a typeclass that is always satisfied (bsd3, data, library)2021-01-13chessai
amazon-emailer (deprecated in favor of hworker-ses)120.0A queue daemon for Amazon's SES with a PostgreSQL table as a queue. (bsd3, deprecated, network, program)2014-08-17DanielPatterson
amazon-emailer-client-snap (deprecated in favor of hworker-ses)130.0Client library for amazon-emailer daemon (bsd3, deprecated, library, network)2014-07-20DanielPatterson
amazonka-s3-streaming530.0Provides conduits to upload data to S3 using the Multipart API (aws, bsd3, cloud, distributed-computing, library, network)2019-10-09AlexMason
amby110.0Statistical data visualization (bsd3, graphics, library)2016-11-26jsermeno
amqp1782.25Client library for AMQP servers (currently only RabbitMQ) (bsd3, library, network, program)2021-03-12HolgerReinhardt
amqp-streamly120.0A simple streamly wrapper for amqp (amqp, bsd3, conduit, library, rabbitmq, streamly)2020-07-14gdifolco
amqp-worker310.0 (bsd3, library, program, unclassified)2019-04-12seanhess
anagrep50.0Find strings with permutations (anagrams) that match a regular expression (bsd3, library, program, text)2020-12-10DylanSimon
analyze80.0making data science easy and safe with data frames (bsd3, data-science, library)2017-01-06AlexeyKhudyakov, ocramz, NickSeagull, ejconlon, stites
analyze-client110.0Client for analyze service (bsd3, library, web)2015-05-22DanielPatterson
anatomy120.0Anatomy: Atomo documentation system (bsd3, development, library, program)2011-02-07AlexSuraci
android-activity82.0Turn regular Haskell programs into Android Activities (bsd3, library, mobile)2017-09-28RyanTrinkle, abrar
angel740.0Process management and supervision daemon (bsd3, program, system)2015-07-17JamieTurner, MichaelXavier, NickPershyn
animate292.25Animation for sprites (bsd3, game, library)2018-05-19jxv
animate-example130.0Animation for sprites (bsd3, game, program)2018-02-05jxv
animate-preview270.0Preview tool for sprite animation (bsd3, game, library, program)2018-05-27jxv
animate-sdl2150.0sdl2 + animate auxiliary library (bsd3, game, library)2018-05-20jxv
anki-tools80.0Tools for interacting with Anki database (bsd3, database, library, program)2016-09-30zohl
annah60.0Medium-level language that desugars to Morte (bsd3, compiler, library, program)2016-04-24GabrielGonzalez
annihilator (deprecated in favor of boolean-like)80.0Semigroups with annihilators and utility functions (bsd3, control-, deprecated, library)2016-04-05Shou
annotated-fix80.0A fixpoint of a functor that can be annotated (bsd3, data, library)2019-05-21GuerricChupin
annotated-wl-pprint1430.0The Wadler/Leijen Pretty Printer, with annotation support (bsd3, library, text)2015-08-27dchristiansen
anonymous-sums190.0Anonymous sum types (bsd3, data, library)2016-12-23OmariNorman
anonymous-sums-tests80.0QuickCheck functions to accompany the anonymous-sums package (bsd3, data, library)2014-07-30OmariNorman
ansi-pretty350.0AnsiPretty for ansi-wl-pprint (bsd3, library, text, user-interfaces)2019-11-20phadej
ansi-terminal17902.5Simple ANSI terminal support, with Windows compatibility (bsd3, library, user-interfaces)2020-08-10MaxBolingbroke, OliverCharles, RomanCheplyaka, mpilgrem
ansi-wl-pprint (deprecated in favor of prettyprinter)14332.5The Wadler/Leijen Pretty Printer for colored ANSI terminal output (bsd3, deprecated, library, text, user-interfaces)2019-05-12EdwardKmett, MaxBolingbroke, phadej, quchen
antfarm70.0Referring expressions for definitions (bsd3, library, natural-language-processing, program)2012-08-15EricKow
antiprimes40.0Initial project template from stack (bsd3, learning-haskell, library)2016-09-11wokibe
antiquoter120.0Combinator library for quasi- and anti-quoting. (bsd3, library, template-haskell)2013-04-14LarsCorbijn
antlr-haskell122.0A Haskell implementation of the ANTLR top-down parser generator (bsd3, library)2020-09-25KarlCronburg
antlrc110.0Haskell binding to the ANTLR parser generator C runtime library. (bsd3, library, parsing, program)2011-01-20MarkWright
aop-prelude170.0prelude for Algebra of Programming (bsd3, language, library)2021-06-18KatsutoshiItoh
aosd170.0Bindings to libaosd, a library for Cairo-based on-screen displays (bsd3, graphics, library)2019-12-14DanielSchuessler
ap-reflect130.0Partial evaluation reflection a la simple-reflect. (bsd3, debug, library)2016-10-03NickolayKudasov
apache-md5362.0Apache specific MD5 digest algorighm. (bsd3, cryptography, data, library)2015-06-21PeterTrsko
apart190.0Get all your structure and rip it apart. (bsd3, control, data, library, program)2018-09-28iokasimovmt
apecs2012.25Fast Entity-Component-System library for game programming (bsd3, control, data, game, library)2021-08-07jonascarpay
apecs-gloss300.0Simple gloss renderer for apecs (bsd3, library, web)2020-02-11jonascarpay
apecs-physics450.02D physics for apecs (bsd3, library, web)2020-12-23jonascarpay
apecs-physics-gloss (deprecated in favor of apecs-gloss)50.0Gloss rendering for apecs-physics (bsd3, deprecated, library, web)2018-10-17jonascarpay
apecs-stm160.0STM stores for apecs (bsd3, control, data, game, library)2021-08-07jonascarpay
api-builder1100.0Library for easily building REST API wrappers in Haskell (bsd3, library, network)2020-01-21Intolerable
api-field-json-th170.0option of aeson's deriveJSON (bsd3, library, utils)2017-05-03nakaji_dayo
api-maker40.0Package to make APIs (bsd3, library, web)2020-12-22schnecki
api-tools520.0DSL for generating API boilerplate and docs (bsd3, cloud, distributed-computing, library, network, program, web)2021-03-16AdamGundry, ChrisDornan
apioiaf-client182.0Consumer library for anapioficeandfire.com (bsd3, library, web)2016-12-21krberger
apns-http270.0Apple Push Notification service HTTP/2 integration. (bsd3, library, network, program)2020-01-14dridus
app-lens200.0applicative (functional) bidirectional programming beyond composition chains (bsd3, data, lenses, library)2016-09-25kztk
app-settings730.0A library to manage application settings (INI file-like) (bsd3, configuration, library)2018-10-01EmmanuelTouzery
appar8700.0A simple applicative parser (bsd3, library, parsing)2019-05-07KazuYamamoto
appendmap260.0Map with a Semigroup and Monoid instances delegating to Semigroup of the elements (bsd3, data-structures, library)2018-09-02AlexeyKotlyarov
applicative-extras530.0Instances for Applicative (bsd3, control, library)2011-01-03ChrisEidhof
applicative-fail250.0Applicative functor and monad which collects all your fails (bsd3, control, library)2015-08-03AlekseyUymanov
applicative-numbers640.0Applicative-based numeric instances (bsd3, data, library, numerical)2014-04-09ConalElliott
applicative-quoters610.0Quasiquoters for idiom brackets and an applicative do-notation (bsd3, language, library)2012-09-22BenMillwood
apply-refact4492.0Perform refactorings specified by the refact library. (bsd3, development, library, program)2021-05-21mpickering, zliu41, fendor
apply-unordered70.0Apply a function to an argument specified by a type level Nat (acme, bsd3, compiler-plugin, functions, library)2021-03-26MichaelSloan
apply-unordered-mono40.0Apply functions to arguments in an unordered type-directed fashion (acme, bsd3, functions, library)2021-03-26MichaelSloan
apportionment301.25Round a set of numbers while maintaining its sum (bsd3, library, math)2018-08-31HenningThielemann
approximate520.0Approximate discrete values and numbers (bsd3, library, numeric)2021-02-21EdwardKmett, EricMertens, ryanglscott
approximate-equality290.0Newtype wrappers for approximate equality (bsd3, data, library)2014-08-16DavidHimmelstrup, GregoryCrosswhite
arb-fft220.0Pure Haskell arbitrary length FFT library (bsd3, library, math, program)2016-04-24IanRoss
arbb-vm270.0FFI binding to the Intel Array Building Blocks (ArBB) virtual machine. (bsd3, foreign, library)2012-10-14JoelSvensson
arcgrid70.0Parse ESRI/ArcInfo (ArcGrid) raster GIS files (bsd3, geo, library, program)2017-11-13nbrk
arcgrid-viewer60.0Simple viewer for ESRI/ArcInfo (ArcGrid) geospatial data (bsd3, geo, program)2017-11-13nbrk
archive80.0A library and programs for creating hardlinked incremental archives or backups (bsd3, library, program, system)2012-06-12DavidFox, JeremyShaw
archive-libarchive110.0Common interface using libarchive (archive, bsd3, codec, library, tar)2020-08-27vmchale
archive-sig310.0Backpack signature for archive libraries (archive, bsd3, codec, library, tar)2020-04-12vmchale
archive-tar200.0Common interface using the tar package (archive, bsd3, codec, library, tar)2020-01-24vmchale
archive-tar-bytestring90.0Common interface using the tar-bytestring package (archive, bsd3, codec, library, tar)2020-04-01vmchale
archiver550.0Archive supplied URLs in WebCite & Internet Archive (bsd3, documentation, library, network, program)2014-01-03GwernBranwen
archlinux (deprecated)760.0Support for working with Arch Linux packages. (bsd3, deprecated, distribution, library)2011-06-27DonaldStewart, MagnusTherning, PeterSimons
archlinux-web70.0Website maintenance for Arch Linux packages (bsd3, distribution, library, program)2010-10-18MagnusTherning
archnews70.0Convert Arch Linux package updates in RSS to pretty markdown (bsd3, distribution, program)2009-02-22DonaldStewart
arduino-copilot482.0Arduino programming in haskell using the Copilot stream DSL (bsd3, embedded, language, library)2021-09-07JoeyHess
arena20.0A journaled data store (bsd3, database, library)2016-03-15AlecHeller, davean
arff110.0Generate Attribute-Relation File Format (ARFF) files (bsd3, data, library, text)2008-11-18StefanKersten
argon2220.0Memory-hard password hash and proof-of-work function (bsd3, cryptography, library)2018-04-07HerbertValerioRiedel, JoeyHess, OliverCharles
argparser360.0Command line parsing framework for console applications (bsd3, console, library)2014-11-27sbergot
arith-encode (deprecated in favor of cantor-pairing, finitary, smallcheck)450.0A practical arithmetic encoding (aka Godel numbering) library. (bsd3, data, deprecated, library, serialization, test, testing)2020-02-09emc2, Bodigrim
arithmatic180.0do things with numbers (bsd3, library, math)2017-01-26AlanHawkins
armor70.0Prevent serialization backwards compatibility problems using golden tests (bsd3, data, library, testing)2021-05-19DougBeardsley
arpa60.0Library for reading ARPA n-gram models (bsd3, library, natural-language-processing, nlp, program, text)2015-04-22StefanFischer
arpack60.0Solve large scale eigenvalue problems (bsd3, library, science)2016-09-30ThomasTuegel
array2202.25Mutable and immutable arrays (bsd3, data-structures, library)2019-09-01AustinSeipp, BenGamari, HerbertValerioRiedel, IanLynagh, wz1000
array-builder510.0Builders for arrays (bsd3, data, library)2020-11-18andrewthad
array-chunks620.0Lists of chunks (bsd3, data, library)2021-02-24andrewthad
array-memoize150.0Memoization combinators using arrays for finite sub-domains of functions (bsd3, library, syntax)2014-04-04DominicOrchard
array-primops130.0Extra foreign primops for primitive arrays (bsd3, data, library)2017-08-10AndrasKovacs
array-utils (deprecated)160.0Primitive functions for updating many elements in mutable arrays at once (bsd3, data, data-structures, deprecated, library)2011-01-29AlexMason
arrayfire322.0Haskell bindings to the ArrayFire general-purpose GPU library (bsd3, library, math, program)2019-11-15DavidJohnson
arraylist70.0Memory-efficient ArrayList implementation (bsd3, data, library)2018-10-25chessai
arrow-extras100.0Extra functions for Control.Arrow (bsd3, control, library)2017-03-15louispan
arrow-list430.0List arrows for Haskell. (bsd3, control, library)2020-10-18AdamBergmark, ErikHesselink, SebastiaanVisser
arrow-utils30.0functions for working with arrows (arrows, bsd3, combinators, control, library)2021-07-29miguel_negrao
arrowapply-utils90.0Utilities for working with ArrowApply instances more naturally (bsd3, control, library)2012-03-18AndrewMiller
arrows1730.0Arrow classes and transformers (bsd3, control, library)2018-03-31RossPaterson
artery100.0A simple, arrow-based reactive programming (bsd3, control, frp, library)2014-09-09FumiakiKinoshita
arx340.0Archive execution tool. (bsd3, library, text)2018-08-04JasonDusek
ascii-art-to-unicode110.0ASCII Art to Unicode Box Drawing converter (bsd3, library, program, unclassified)2017-04-16fmthoma
ascii-cows102.25A collection of ASCII cows. Moo. (acme, bsd3, library)2016-10-25passy
ascii-table230.0ASCII table (bsd3, data, library)2019-03-15mitchellwrosen
ascii85-conduit50.0Conduit for encoding ByteString into Ascii85 (bsd3, conduit, data, library)2014-01-26KazuoKoga
asciidiagram782.0Pretty rendering of Ascii diagram into svg or png. (bsd3, diagram, library, program, text)2019-06-19VincentBerthoux
asn80.0asn type and encoding/decoding (bsd3, data, library)2018-06-13chessai
asn1-codec (deprecated in favor of language-asn, snmp)80.0Encode and decode ASN.1 (bsd3, deprecated, library, web)2018-05-18andrewthad, chessai
asn1-data (deprecated in favor of asn1-encoding)1500.0ASN1 data reader and writer in RAW, BER and DER forms (bsd3, data, deprecated, library)2015-09-07VincentHanquez
asn1-encoding9411.75ASN1 data reader and writer in RAW, BER and DER forms (bsd3, data, library)2019-09-29VincentHanquez
asn1-parse9220.0Simple monadic parser for ASN1 stream types. (bsd3, data, library)2019-09-29VincentHanquez
asn1-types10090.0ASN.1 types (bsd3, data, library)2020-03-24VincentHanquez
asn1dump80.0Dump ASN1 structure (bsd3, debug, program)2014-02-23VincentHanquez
aspell-pipe650.0Pipe-based interface to the Aspell program (bsd3, library, text)2020-11-24JonathanDaugherty
assembler70.0Haskell Assembler (bsd3, development, library, program)2010-10-01JeffDouglas
assert180.0Helpers for Control.Exception.assert (bsd3, control, library)2013-11-18LiyangHu
assert-failure712.0Syntactic sugar improving 'assert' and 'error' (bsd3, contract, control, library)2020-09-07MikolajKonarski
asset-bundle162.0A build-time Cabal library that bundles executables with assets (bsd3, bundle, distribution, library, program, zip)2019-09-28deech
asset-map80.0Asset map support for the JavaScript broccoli-asset-rev library. (bsd3, library, web)2018-06-12IanDuncan
assimp30.0The Assimp asset import library (bsd3, graphics, library)2011-05-24JoelBurget
assoc9610.0swap and assoc: Symmetric and Semigroupy Bifunctors (bsd3, data, library)2020-08-09phadej
ast-monad80.0A library for constructing AST by using do-notation (bsd3, language, library)2017-04-27MasatoMouri
ast-monad-json100.0A library for writing JSON (bsd3, language, library)2017-04-29MasatoMouri
ast-path60.0vocabulary representation for predicting program properties (bsd3, data, library, natural-language-processing)2019-06-17ijaketak
astar290.0General A* search algorithm. (bsd3, data, library)2016-03-29CaleGibbard, JohannesWeiss
astar-monad (deprecated in favor of monad-dijkstra)230.0 (bsd3, deprecated, library, unclassified)2019-09-12ChrisPenner
astrds90.0an incomplete 2d space game (bsd3, game, program)2012-08-13AndresLoeh
astro312.25Amateur astronomical computations (bsd3, library, science)2021-05-23aignatyev17
async22492.75Run IO operations asynchronously and wait for their results (bsd3, concurrency, library)2021-10-04PeterSimons, SimonMarlow
async-dejafu (deprecated in favor of concurrency)240.0Run MonadConc operations asynchronously and wait for their results. (bsd3, concurrency, deprecated, library)2016-09-10barrucadu
async-extras170.0Extra Utilities for the Async Library (bsd3, concurrency, library)2017-02-23JonathanFischoff, lloucas
async-io-either172.0Could be useful (bsd3, error-handling, library)2017-02-21schalmers
async-manager100.0A thread manager for async (bsd3, concurrency, library, program)2014-05-30JonathanFischoff
async-refresh190.0Package implementing core logic for refreshing of expiring data. (bsd3, control, library)2018-03-20mtesseract
async-refresh-tokens260.0Package implementing core logic for refreshing of expiring access tokens (bsd3, control, library)2018-03-21mtesseract
async-timer5880.0Provides API for timer based execution of IO actions (bsd3, concurrency, library)2018-02-28mtesseract
aterm-utils150.0Utility functions for working with aterms as generated by Minitermite (bsd3, language, library, program)2013-06-18JasonDagit
atl (deprecated)440.0Arrow Transformer Library (bsd3, control, deprecated, library)2016-09-28
atmos-dimensional (deprecated in favor of atmos)140.0dimensional wrapper on atmos package (bsd3, deprecated, library, science)2014-08-16GregHorn
atmos-dimensional-tf (deprecated in favor of atmos)180.0dimensional-tf wrapper on atmos package (bsd3, deprecated, library, science)2014-08-16GregHorn
atndapi140.0An interface of ATND API (bsd3, library, web)2016-03-29ynishi
atom650.0An EDSL for embedded hard realtime applications. (bsd3, embedded, language, library)2015-06-03LeePike, TomHawkins
atom-basic400.0Basic Atom feed construction (bsd3, library, web)2017-06-03cbaatz
atomic-file-ops220.0Functions to atomically write to files (bsd3, library, system)2018-01-15clinton
atomic-primops6492.0A safe approach to CAS and other atomic ops in Haskell. (bsd3, data, library)2020-10-03BrandonSimmons, GregoryCollins, RyanNewton, ryanglscott, peter_fogg, chchen
atomic-primops-foreign120.0An atomic counter implemented using the FFI. (bsd3, data, library)2014-08-18RyanNewton
atomic-primops-vector60.0Atomic operations on Data.Vector types (bsd3, concurrency, library)2015-02-14peter_fogg
atomo290.0A highly dynamic, extremely simple, very fun programming language. (bsd3, language, program)2012-04-11AlexSuraci
atp-haskell280.0Translation from Ocaml to Haskell of John Harrison's ATP code (bsd3, library, logic, theorem-provers)2016-09-12DavidFox
ats-format2450.0A source-code formatter for ATS (ats, bsd3, development, language, parser, program)2019-11-30vmchale
ats-pkg5530.0A build tool for ATS (ats, bsd3, development, library, program)2020-09-14vmchale
ats-setup650.0ATS scripts for Cabal builds (ats, bsd3, cabal, development, library)2018-02-23
ats-storable550.0Marshal ATS types into Haskell (ats, bsd3, generics, library)2018-06-14vmchale
attempt (deprecated in favor of exceptions)660.0Concrete data type for handling extensible exceptions as failures. (deprecated) (bsd3, data, deprecated, failure, library)2014-03-26MichaelSnoyman
attic-schedule50.0A script I use to run "attic" for my backups. (bsd3, program, web)2017-01-28passy
atto-lisp420.0Efficient parsing and serialisation of S-Expressions. (bsd3, data, library, text)2018-09-24ThomasSchilling
attoparsec30332.75Fast combinator parsing for bytestrings and text (bsd3, library, parsing, text)2021-03-22BasVanDijk, BenGamari, BryanOSullivan
attoparsec-base64100.0Fetch only base64 characters, erroring in the attoparsec monad on failure (bsd3, library, web)2017-11-24athanclark
attoparsec-binary440.0Binary processing extensions to Attoparsec. (bsd3, data, library)2012-09-22AndrewDrake
attoparsec-expr280.0Port of parsec's expression parser to attoparsec. (bsd3, library, parsing, text)2015-05-11AdamBergmark, ErikHesselink, SebastiaanVisser
attoparsec-ip (deprecated in favor of ip)370.0Parse IP data types with attoparsec (bsd3, deprecated, library, web)2018-11-14athanclark
attoparsec-iso86018022.0Parsing of ISO 8601 dates, originally from aeson. (bsd3, library, parsing)2021-01-03AdamBergmark, phadej, lyxia
attoparsec-iteratee290.0An adapter to convert attoparsec Parsers into blazing-fast Iteratees (bsd3, data, library)2011-11-28GregoryCollins, JohnLato
attoparsec-path150.0Convenience bindings between path and attoparsec (bsd3, library, web)2017-09-28athanclark
attoparsec-text (deprecated in favor of attoparsec)400.0(deprecated) (bsd3, deprecated, library, parsing, text)2012-01-30BryanOSullivan, FelipeLessa
attoparsec-uri510.0URI parser / printer using attoparsec (bsd3, library, web)2018-11-08athanclark
attosplit110.0Split a lazy bytestring at boundaries defined by an attoparsec parser (bsd3, data, library)2011-12-19YitzGale
atuin70.0Embedded Turtle language compiler in Haskell, with Epic output (bsd3, compilers-interpreters, program)2010-12-17EdwinBrady
audacity290.0Interchange with the Audacity sound signal editor (bsd3, library, sound)2018-04-16HenningThielemann
audiovisual80.0A battery-included audiovisual framework (bsd3, data, library, records)2015-03-21FumiakiKinoshita
augur160.0Renaming media collections in a breeze. (bsd3, program, text)2008-11-17DavidHimmelstrup
aur-api90.0ArchLinux AUR json v5 API (bsd3, library, web)2016-06-16wangbj
authenticate14340.0Authentication methods for Haskell web applications. (bsd3, library, mit, web)2019-11-16FelipeLessa, MichaelSnoyman
authenticate-kerberos90.0Authentication methods for Haskell web applications. (bsd3, library, web)2012-01-28ArashRouhani
authenticate-ldap160.0LDAP authentication for Haskell web applications. (bsd3, library, web)2012-03-29MichaelLitchard
authenticate-oauth4920.0Library to authenticate with OAuth for Haskell web applications. (bsd3, library, web)2021-06-20FelipeLessa, HiromiIshii, MichaelLitchard, MichaelSnoyman, achirkin
authoring250.0A library for writing papers (bsd3, library, text)2014-07-07TakayukiMuranushi
autoapply1182.0Template Haskell to automatically pass values to functions (bsd3, library, template-haskell)2021-10-17jophish
automata60.0automata (bsd3, data, library, math)2019-01-22chessai
automitive-cse (deprecated in favor of automotive-cse)70.0Automotive CSE emulation (bsd3, codec, deprecated, library)2016-04-09KeiHibino
automotive-cse (deprecated)540.0Automotive CSE emulation (bsd3, codec, deprecated, library)2016-05-18KeiHibino
autonix-deps (deprecated)160.0Library for Nix expression dependency generation (bsd3, deprecated, library, nix)2015-06-25ThomasTuegel
autonix-deps-kf5 (deprecated)150.0Generate dependencies for KDE 5 Nix expressions (bsd3, deprecated, library, nix, program)2015-06-25ThomasTuegel
autoproc140.0EDSL for Procmail scripts (bsd3, library, program, system)2016-08-13GwernBranwen, JasonDagit
avahi130.0Minimal DBus bindings for Avahi daemon (http://avahi.org) (bsd3, library, network, program)2018-09-17IlyaPortnov
avatar-generator80.0A simple random avatar icon generator (bsd3, graphics, program)2015-09-22IvanPerez, keera_studios_ci
average420.0An average (arithmetic mean) monoid. (bsd3, library, unclassified)2015-06-29HansHoglund
aviation-cessna172-weight-balance40.0Weight and Balance for the Cessna 172 aircraft in aviation. (aviation, bsd3, library)2021-03-17TonyMorris
aviation-navigation50.0Aviation Navigation functions (bsd3, library, program, test)2021-07-03TonyMorris
aviation-units100.0Units of measurements used in aviation. (aviation, bsd3, library)2021-03-22TonyMorris
aviation-weight-balance70.0Weight and Balance structures used in aviation. (aviation, bsd3, library)2021-03-22TonyMorris
avl-static90.0A compile-time balanced AVL tree. (bsd3, data, library)2014-01-12FedericoLebron
avro2032.25Avro serialization support for Haskell (bsd3, data, library)2021-06-21newhoggy, alexeyraga, haskellworks
avro-piper70.0Tool for decoding avro (bsd3, data, library, program)2020-01-13newhoggy, haskellworks
aws11210.0Amazon Web Services (AWS) for Haskell (aws, bsd3, cloud, distributed-computing, library, network, web)2020-03-04AristidBreitkreuz, BenGamari, FelipeLessa, JohnWiegley, MichaelSnoyman
aws-arn190.0Types and optics for manipulating Amazon Resource Names (ARNs) (aws, bsd3, cloud, library)2021-04-07jack, Bellroy
aws-cloudfront-signer230.0For signing AWS CloudFront HTTP URL requests (aws, bsd3, cloud, distributed-computing, library, network, web)2015-10-20ChrisDornan
aws-ec2520.0AWS EC2/VPC, ELB and CloudWatch client library for Haskell (aws, bsd3, cloud, distributed-computing, library, network, program, web)2017-05-18AmitLevy, DavidTerei, IanRoss, VladimirKirillov
aws-ec2-knownhosts80.0Capture and manage AWS EC2 known_host pubkeys (aws, bsd3, library, network, program)2017-11-27LukeHoersten
aws-elastic-transcoder200.0Haskell suite for the Elastic Transcoder service (aws, bsd3, cloud, distributed-computing, library, network, web)2014-02-03ChrisDornan
aws-lambda-haskell-runtime-wai232.0Run wai applications on AWS Lambda (aws, bsd3, library)2021-06-30dnikolovv
aws-route53430.0Amazon Route53 DNS service plugin for the aws package. (bsd3, library, web)2016-02-26AmitLevy, DavidTerei
aws-sdk1360.0AWS SDK for Haskell (aws, bsd3, cloud, distributed-computing, library)2014-04-14YusukeNomura
aws-sdk-text-converter170.0The text converter for aws-sdk. (bsd3, library, web)2015-10-30YusukeNomura
aws-sdk-xml-unordered340.0The xml parser for aws-sdk package (bsd3, library, xml)2014-08-06ShoheiYasutake
aws-ses-easy90.0Wrapper over Amazonka's SES (bsd3, library, network)2018-03-25jxv
aws-sign4200.0Amazon Web Services (AWS) Signature v4 HTTP request signer (aws, bsd3, cloud, distributed-computing, library, network, web)2014-07-28ChrisDornan
aws-transcribe-ws30.0Websocket streaming to Amazon Transcribe service (bsd3, library, web)2021-07-163kyro
axel320.0The Axel programming language. (bsd3, language, library, lisp, macros, program, transpiler)2019-10-03jgrosso256
azure-acs110.0Windows Azure ACS (bsd3, library, web)2014-05-15kapilash
azure-email40.0send email with microsoft azure (bsd3, library, web)2018-11-09chessai
azure-service-api70.0Haskell bindings for the Microsoft Azure Service Management API (bsd3, library, network)2012-11-05EdskoDeVries, MathieuBoespflug, TimWatson
azure-servicebus210.0Haskell wrapper over Microsoft Azure ServiceBus REST API (bsd3, library, web)2014-05-17kapilash
azurify380.0A simple library for accessing Azure blob storage (bsd3, development, library)2014-09-23ArnoVanLumig, GregWeber, SeanLeather
b-tree290.0Immutable disk-based B* trees (bsd3, data, library)2018-11-04BenGamari
backblaze-b2-hs70.0A client library to access Backblaze B2 cloud storage in Haskell. (bsd3, cloud, library, network, program)2019-07-24AdityaManthramurthy
backprop1122.25Heterogeneous automatic differentation (bsd3, library, math)2020-07-01jle
backtracking92.0A backtracking monad (bsd3, control, library)2020-07-03SatoshiEgi, momohatt
backtracking-exceptions70.0A monad transformer for backtracking exceptions (bsd3, control, library)2014-08-22tapuu
backward-state150.0A state monad that runs the state in reverse through the computation (bsd3, control, library, monads)2013-01-14LukePalmer
bake160.0Continuous integration system (bsd3, development, library, program)2016-10-28NeilMitchell
ballast100.0Shipwire API client (bsd3, library, web)2017-08-17alexeyzab
bamboo-plugin-photo90.0A photo album middleware (bsd3, library, web)2009-07-05JinjingWang
bamboo-theme-blueprint280.0bamboo blueprint theme (bsd3, library, web)2010-02-24JinjingWang
bamse250.0A Windows Installer (MSI) generator framework (bsd3, library, system)2009-05-15SigbjornFinne
ban-instance130.0For when a type should never be an instance of a class (bsd3, haskell, library)2019-11-08qfpl, jack
bank-holidays-england430.0Calculation of bank holidays in England and Wales (bsd3, data, library)2020-11-18dcturner, dten
barbies8462.25Classes for working with types that can change clothes. (bsd3, data-structures, library)2021-07-08DanielGorin
barbies-th2070.0Create strippable HKD via TH (bsd3, data, data-structures, generics, library)2021-10-21FumiakiKinoshita
barbly60.0Create status bar menus for macOS from executables (bsd3, program, system)2019-08-16lukec
barchart110.0Creating Bar Charts in Haskell (bsd3, graphics, library, program)2011-05-06SebastianFischer
barecheck (deprecated)180.0QuickCheck implementations for common types (bsd3, deprecated, library, testing)2015-03-20OmariNorman
base5772.75Basic libraries (bsd3, library, prelude)2021-03-28AustinSeipp, BenGamari, HerbertValerioRiedel, IanLynagh, PaoloCapriotti, wz1000
base-compat-migrate300.0Helps migrating projects to base-compat(-batteries). (bsd3, development, library)2020-03-25AdamBergmark
base-encoding160.0Binary-to-text encodings (e.g. base64) (bsd3, codec, library, text)2020-04-25HerbertValerioRiedel
base-feature-macros140.0Semantic CPP feature macros for base (bsd3, development, library)2017-06-05HerbertValerioRiedel
base-noprelude1352.0"base" package sans "Prelude" module (bsd3, development, library)2019-08-26HerbertValerioRiedel
base-unicode-symbols4162.5Unicode alternatives for common functions and operators (bsd3, library, unclassified)2019-07-10RoelVanDijk
base161661.5Fast RFC 4648-compliant Base16 encoding (bsd3, data, library)2020-09-03topos
base16-bytestring12342.0RFC 4648-compliant Base16 encodings for ByteStrings (bsd3, data, library)2020-11-05BryanOSullivan, HerbertValerioRiedel, MikhailGlushenkov, topos
base16-lens290.0Optics for the Base16 library (bsd3, data, library)2021-02-22topos
base32890.0Fast RFC 4648-compliant Base32 encoding (bsd3, data, library)2021-06-21topos
base32-bytestring320.0Fast base32 and base32hex codec for ByteStrings (bsd3, codec, data, library)2013-12-01SamTruzjan
base32-lens180.0Optics for the Base32 library (bsd3, data, library)2021-02-22topos
base32-z-bytestring130.0Fast z-base32 and z-base32hex codec for ByteStrings (bsd3, codec, data, library)2019-04-09AlfredoDiNapoli, RenzoCarbonara
base6290.0Base62 encoding and decoding (bsd3, data, library)2020-12-18andrewthad
base643950.0A modern RFC 4648-compliant Base64 library (bsd3, data, library)2021-01-26topos
base64-bytes90.0Base64 encoding of byte sequences (bsd3, data, library)2020-06-01andrewthad
base64-bytestring22992.0Fast base64 encoding and decoding for ByteStrings (bsd3, data, library)2021-08-12BryanOSullivan, HerbertValerioRiedel, MikhailGlushenkov, topos
base64-bytestring-type4810.0A newtype around ByteString, for base64 encoding (bsd3, data, library)2019-03-27phadej
base64-conduit (deprecated in favor of conduit-combinators)210.0Base64-encode and decode streams of bytes. (deprecated) (bsd3, conduit, data, deprecated, library)2014-03-21MichaelSnoyman
base64-lens240.0Optics for the Base64 library (bsd3, data, library)2021-02-22topos
basement13561.75Foundation scrap box of array & string (bsd3, web)2021-04-25MichaelSnoyman, VincentHanquez, nicolasdp
basen-bytestring100.0 (base16, base32, base64, bsd3, library, rfc4648, unclassified)2018-03-29filwisher
baserock-schema230.0Baserock Definitions Schema (bsd3, data, library, program)2018-07-03locallycompact
bash230.0Bash generation library. (bsd3, language, library)2013-03-17JasonDusek
basic180.0Lifting values from base types (bsd3, library, unclassified)2018-05-22
basic-cpuid30.0A small package to access the cpuid instruction directly. (bsd3, library, system)2017-07-09JonasScholl
basic-lens170.0Basic lens type and functions (bsd3, development, library)2017-03-16ChrisDone
basic-sop412.0Basic examples and functions for generics-sop (bsd3, generics, library)2019-05-09AndresLoeh
batch70.0Simplify queuing up data and processing it in batch. (bsd3, data, library)2018-01-27AlexanderThiemann
batchd100.0Batch processing toolset for Linux / Unix (bsd3, program, system)2017-05-21IlyaPortnov
battleship-combinatorics180.0Compute number of possible arrangements in the battleship game (bsd3, library, math, program)2018-08-31HenningThielemann
battleships60.0A web-based implementation of battleships including an AI opponent. (bsd3, game, library)2014-04-24fatho
bayes-stack90.0Framework for inferring generative probabilistic models with Gibbs sampling (bsd3, library, math)2012-10-27BenGamari
bbi90.0Tools for reading Big Binary Indexed files, e.g., bigBed, bigWig (bio, bsd3, library)2019-05-24kaizhang
bcrypt750.0Haskell bindings to the bcrypt password hash (bsd3, cryptography, data, library)2017-12-31AndrewMiller
bdo70.0Update CSS in the browser without reloading the page. (bsd3, library, program, web)2013-09-11ChrisDone
beam-automigrate170.0DB migration library for beam, targeting Postgres. (bsd3, database, library, program)2020-12-08abrar
beam-th232.0Template Haskell utilities for beam (bsd3, database, library, template-haskell)2016-07-05hesiod
beamable190.0Generic serializer/deserializer with compact representation (bsd3, data, library, serialization)2014-06-03JohnLato, MichaelBaikov
bearriver2190.0FRP Yampa replacement implemented with Monadic Stream Functions. (bsd3, frp, library)2021-10-22IvanPerez, keera_studios_ci, keera_studios_ci_dunai
beeminder-api80.0Bindings to the beeminder.com JSON API (bsd3, library, network)2017-06-03BrentYorgey, DanielWagner, RobinGreen
bench900.0Command-line benchmark tool (bsd3, program, system)2018-08-18GabrielGonzalez
bench-graph (deprecated in favor of bench-show)170.0Plot and compare benchmarks (benchmarking, bsd3, deprecated, library, performance)2018-09-22harendra
bench-show232.0Show, plot and compare benchmark results (benchmarking, bsd3, library, performance, program)2020-01-14harendra, adithyaov
benchpress3500.0Micro-benchmarking with detailed statistics. (bsd3, library, program, testing)2021-10-19JohanTibell, willsewell
bencode1371.75Parsers and printers for bencoded data. (bsd3, library, text)2020-02-28DavidHimmelstrup, PeterSimons, ChristopherReichert
bencoding1002.0A library for encoding and decoding of BEncode data. (bsd3, data, library)2021-09-16SamTruzjan, SergeyVinokurov
berkeleydb110.0Pretty BerkeleyDB v4 binding. (bsd3, database, library)2008-10-31DavidHimmelstrup
berp50.0An implementation of Python 3. (bsd3, language, library, program)2010-05-31BerniePope
bert490.0BERT implementation (bsd3, data, library)2016-04-05MariusEriksen, RomanCheplyaka, manzyuk
besout80.0Extended GCD of polynomials over F_p[x] (bsd3, library, math)2014-06-21AbdelwahebMiled
betris250.0A horizontal version of tetris for braille users (bsd3, game, library, program)2021-04-18mlang
between510.0Function combinator "between" and derived combinators (bsd3, data, library)2016-01-09PeterTrsko
bff-mono210.0"Bidirectionalization for Free" for Monomorphic Transformations (bsd3, data, lenses, library)2014-08-14kztk
bgmax250.0Parse BgMax-files (bsd3, finance, library)2019-05-15petterb
bgzf (deprecated in favor of pipes-bgzf)70.0Blocked GZip (bsd3, codec, deprecated, library)2015-04-23rcallahan
bibtex660.0Parse, format and processing BibTeX files (bsd3, library, text)2016-04-15HenningThielemann
bidirectional40.0Simple bidirectional serialization and deserialization (bsd3, codec, library)2020-10-07MasseR
bifunctor (deprecated)80.0Bifunctors (bsd3, deprecated, library, unclassified)2018-12-27
bifunctors25152.5Bifunctors (bsd3, data, functors, library)2021-04-30EdwardKmett, EricMertens, ryanglscott
bimap6220.0Bidirectional mapping between two key types (bsd3, data, library)2019-06-14StuartCook, joel_williamson
bimap-server130.0Two-column database server. (bsd3, data, library)2015-07-06DanielDiaz
bimaps350.0bijections with multiple implementations. (bsd3, data, library)2017-03-03ChristianHoener
binary13720.0Binary serialisation for Haskell values using lazy ByteStrings (bsd3, data, library, parsing)2018-08-02BenGamari, DonaldStewart, IanLynagh, LennartKolmodin
binary-bits300.0Bit parsing/writing on top of binary. (bsd3, data, library, parsing)2015-01-09LennartKolmodin
binary-communicator180.0Flexible way to ease transmission of binary data. (bsd3, data, library)2015-09-14SoenkeHahn, YvesPares
binary-enum100.0Simple wrappers around enum types (bsd3, data, library)2016-01-16tolysz
binary-file790.0read/write binary file (bsd3, file, library)2015-12-19YoshikuniJujo
binary-generic120.0Generic binary serialisation using binary and syb. (bsd3, data, library, parsing)2012-08-07LarsPetersen
binary-generic-combinators110.0Combinators and utilities to make Generic-based deriving of Binary easier and more expressive (bsd3, data, library, parsing)2021-07-190xd34df00d
binary-ieee754580.0Backport ieee754 float double combinators to older binary (bsd3, data, library)2016-10-24winterland
binary-instances3150.0Orphan instances for binary (bsd3, library, web)2021-10-09phadej
binary-io242.0Read and write values of types that implement Binary (bsd3, data, io, library, parsing)2020-12-26vapourismo
binary-list1130.0Lists of length a power of two. (bsd3, data, library)2016-07-07DanielDiaz
binary-literal-qq (deprecated)80.0Extends Haskell with binary literals. (bsd3, deprecated, language, library)2012-09-24MathieuBoespflug
binary-orphans6290.0Compatibility package for binary; provides instances (binary, bsd3, compatibility, data, library, parsing)2019-05-13phadej
binary-parsers1250.0Extends binary with parsec/attoparsec style parsing combinators. (bsd3, data, library)2019-06-26winterland
binary-protocol70.0Monad to ease implementing a binary network protocol. (bsd3, data, library)2009-09-04GregoryCrosswhite
binary-protocol-zmq110.0Monad to ease implementing a binary network protocol over ZeroMQ (bsd3, data, library, network)2010-08-02NicolasTrangez
binary-search1170.0Binary and exponential searches (algorithms, bsd3, library)2021-02-22RossPaterson, TakayukiMuranushi, Jappie
binary-serialise-cbor110.0Yet Another Binary Serialisation Library (compatibility shim) (bsd3, codec, library)2018-10-11AustinSeipp, BenGamari
binary-state130.0Simple wrapper around Data.Binary, which adds StateT to Get/Put monads. (bsd3, data, library)2011-09-30IlyaPortnov
binary-store (deprecated)90.0Format to store data using the binary transform. (bsd3, data, deprecated, library)2015-01-14DanielDiaz
binary-streams90.0data serialization/deserialization io-streams library (bsd3, data, io-streams, library)2015-05-07GregoryCollins, petterb
binary-strict1300.0Binary deserialisation using strict ByteStrings (bsd3, data, library, parsing)2020-04-11AdamLangley, DominicSteinitz
binary-tagged2320.0Tagged binary serialisation. (bsd3, data, library)2021-10-09phadej
binary-varint110.0VarInt encoding/decoding via Data.Binary (bsd3, data, library)2019-05-23KimAltintop, jkarni
binarydefer200.0Binary serialization with deferred loading (bsd3, data, library)2014-03-13NeilMitchell
binaryen260.0Haskell bindings to binaryen (bsd3, compiler, library)2021-01-11MathieuBoespflug, terrorjack
bind-marshal70.0Data marshaling library that uses type level equations to optimize buffering. (bsd3, data, library)2011-10-30CoreyOConnor
binding-core140.0Data Binding (bsd3, gui, library, user-interfaces)2013-06-09GideonSireling
binding-gtk100.0Data Binding in Gtk2Hs (bsd3, gui, library, user-interfaces)2013-06-09GideonSireling
binding-wx140.0Data Binding in WxHaskell (bsd3, gui, library, user-interfaces)2013-06-09GideonSireling
bindings (deprecated)210.0Deprecated package. (bsd3, deprecated, ffi, library)2009-09-25MauricioAntunes
bindings-DSL3372.0FFI domain specific language, on top of hsc2hs. (bsd3, ffi, library)2018-05-19DmitryMalikov, JohnWiegley, MauricioAntunes
bindings-GLFW1622.5Low-level bindings to GLFW OpenGL library (bsd3, graphics, library)2020-02-21BrianLewis, SchellScivally, Mokosha, javjarfer
bindings-K8055120.0Bindings to Velleman K8055 dll (bsd3, ffi, library)2011-05-17JorisPutcuyps
bindings-common (deprecated in favor of bindings-DSL)950.0This package is obsolete. Look for bindings-DSL instead. (bsd3, deprecated, ffi, library)2009-11-11BasVanDijk, MauricioAntunes
bindings-dc1394130.0Library for using firewire (iidc-1394) cameras (bsd3, library, system)2011-07-22VilleTirronen
bindings-directfb170.0Low level bindings to DirectFB (bsd3, ffi, library)2010-08-15JohnWiegley, MauricioAntunes
bindings-eskit20.0Bindings to ESKit. (bsd3, ffi, library, numerical)2010-06-10AndrewMiller
bindings-fann130.0Low level bindings to FANN neural network library. (bsd3, ffi, library)2010-06-20JohnWiegley, MauricioAntunes
bindings-fluidsynth100.0Haskell FFI bindings for fluidsynth software synthesizer (bsd3, library, sound)2016-04-13BenGamari
bindings-glib190.0Low level bindings to GLib. (bsd3, ffi, library)2010-12-23JohnWiegley, MauricioAntunes
bindings-gobject340.0Low level bindings supporting GObject and derived libraries. (bsd3, ffi, library)2012-09-29MauricioAntunes, YurasShumovich
bindings-gpgme250.0Project bindings-* raw interface to gpgme (bsd3, ffi, library)2017-09-26DmitryMalikov, JohnWiegley, MauricioAntunes
bindings-gsl362.0Low level bindings to GNU GSL. (bsd3, ffi, library)2013-08-28JohnWiegley, MauricioAntunes
bindings-hdf5120.0Project bindings-* raw interface to HDF5 library (bsd3, ffi, library)2019-05-01JohnWiegley, MauricioAntunes
bindings-libcddb160.0Low level binding to libcddb. (bsd3, ffi, library)2010-06-20JohnWiegley, MauricioAntunes
bindings-libffi200.0Low level bindings to libffi. (bsd3, ffi, library)2010-06-20JohnWiegley, MauricioAntunes
bindings-libpci100.0Low level bindings to libpci (bsd3, ffi, library)2021-06-19dopamane
bindings-libusb1880.0Low level bindings to libusb. (bsd3, ffi, library)2014-10-29BasVanDijk, MauricioAntunes
bindings-libv4l280.0bindings to libv4l2 for Linux (bsd3, library, system)2011-07-03ClaudeHeilandAllen
bindings-libzip570.0Low level bindings to libzip. (bsd3, ffi, foreign, library)2016-08-29SergeyAstanin
bindings-linux-videodev2110.0bindings to Video For Linux Two (v4l2) kernel interfaces (bsd3, graphics, library)2017-12-03ClaudeHeilandAllen
bindings-lxc210.0Direct Haskell bindings to LXC (Linux containers) C API. (bsd3, ffi, library)2018-08-09NickolayKudasov
bindings-mmap (deprecated in favor of bindings-posix)120.0(deprecated) see bindings-posix instead (bsd3, deprecated, library, system)2013-02-18ClaudeHeilandAllen
bindings-monetdb-mapi100.0Low-level bindings for the MonetDB API (mapi) (bsd3, database, library)2018-12-15muesli4
bindings-mpdecimal (deprecated in favor of deka)160.0bindings to mpdecimal library (bsd3, deprecated, library, math)2014-01-20OmariNorman
bindings-parport150.0parport bindings (bsd3, ffi, library)2011-08-11SivaramGowkanapalli
bindings-portaudio210.0Low-level bindings to portaudio library (bsd3, library, sound)2020-09-11FumiakiKinoshita
bindings-posix640.0Project bindings-* raw interface to Posix (bsd3, ffi, library)2018-05-19BasVanDijk, JohnWiegley, MauricioAntunes
bindings-ppdev110.0PPDev bindings (bsd3, ffi, library)2011-08-11SivaramGowkanapalli
bindings-sophia150.0Low-level bindings to sophia library (bsd3, database, library)2014-03-10EyalLotem
bindings-sqlite3210.0Low level bindings to sqlite3. (bsd3, ffi, library)2013-07-24JohnWiegley, MauricioAntunes
bindings-svm150.0Low level bindings to libsvm. (bsd3, ffi, library)2011-07-18PauloTanimoto, VilleTirronen
bindings-wlc340.0Bindings against the wlc library (bsd3, ffi, library)2016-04-03ashleyis
binembed160.0Embed data into object files. (bsd3, distribution, library, program)2015-04-08ClaudeHeilandAllen
binembed-example130.0Example project using binembed to embed data in object files. (bsd3, distribution, program)2015-04-08ClaudeHeilandAllen
bini152.0A collection of various methods for reading and writing bini files. (bsd3, configuration, data, library)2016-01-22TWeise
bins150.0Aggregate continuous values into discrete bins (bsd3, library, math)2019-10-04jle
bio-sequence (deprecated)80.0Initial project template from stack (bio, bsd3, deprecated, library)2017-08-03ozzzzz
biohazard1000.0bioinformatics support library (bioinformatics, bsd3, library)2020-01-06ustenzel
biostockholm480.0Parsing and rendering of Stockholm files (used by Pfam, Rfam and Infernal). (bioinformatics, bsd3, library)2015-07-21FelipeLessa
bird440.0A simple, sinatra-inspired web framework. (bsd3, library, program, web)2010-08-23MattParker
birds-of-paradise120.0Birds of Paradise (bsd3, language, library)2021-06-18KatsutoshiItoh
biscuit-haskell40.0Library support for the Biscuit security token (bsd3, library, program, security)2021-06-28clementd
biscuit-servant30.0Servant support for the Biscuit security token (bsd3, library, security)2021-06-28clementd
bit-protocol202.0Encode binary protocols with some odd bit numbers into a bytestring (bits, bsd3, bytes, data, library, parsing, protocols)2018-07-30k_bx
bit-stream (deprecated in favor of chimera)150.0Lazy, infinite, compact stream of Bool with O(1) indexing. (bsd3, deprecated, library, unclassified)2017-08-08Bodigrim
bit-vector120.0Simple bit vectors for Haskell (bit-vectors, bsd3, data, library)2015-03-24AdamFoltzer
bitarray470.0Mutable and immutable bit arrays (bsd3, data, library)2014-08-12BalazsKomuves
bitcoin-compact-filters140.0BIP 158 compact block filters (bsd3, library, unclassified)2021-06-12IanShipman
bitcoin-hs70.0Partial implementation of the Bitcoin protocol (as of 2013) (bitcoin, bsd3, cryptography, library)2016-10-21BalazsKomuves
bitcoin-rpc120.0Library to communicate with the Satoshi Bitcoin daemon (bitcoin, bsd3, library, network)2014-01-07JanVornberger
bitcoin-scripting40.0Resources for working with miniscript, and script descriptors (bsd3, language, library)2021-06-29IanShipman
bitcoind-regtest80.0A library for working with bitcoin-core regtest networks (bsd3, library, program, unclassified)2020-11-01IanShipman
bitcoind-rpc70.0A streamlined interface to bitcoin core using Haskoin types and Servant (bsd3, library, unclassified)2020-11-01IanShipman
bitly-cli (deprecated)100.0A command line tool to access bit.ly URL shortener. (bsd3, deprecated, program, utils, web)2011-12-08SergeyAstanin
bitmap240.0A library for handling and manipulating bitmaps (rectangular pixel arrays). (bsd3, data, graphics, library)2012-02-13BalazsKomuves
bitmap-opengl190.0OpenGL support for Data.Bitmap. (bsd3, data, graphics, library)2014-03-19BalazsKomuves
bitmaps150.0Bitmap library (bsd3, codec, data, graphics, library)2014-11-30ByronJohnson
bits622.0Various bit twiddling and bitwise serialization primitives (bsd3, data, library, serialization)2021-02-17EdwardKmett, EricMertens, ryanglscott
bits-atomic210.0Atomic bit operations on memory locations for low-level synchronization (bsd3, concurrency, data, foreign, library)2010-09-05GabrielWicke
bits-bytestring100.0Bits instance for bytestrings. (bsd3, data, library)2016-03-25oldmanmike
bits-bytestring-lazy50.0Bits instance for lazy bytestrings. (bsd3, data, library)2016-09-07semaj
bits-conduit110.0Bitstream support for Conduit (bsd3, conduit, data, library)2012-06-29HideyukiTanaka
bits-extra490.0Useful bitwise operations (bit, bsd3, data, library)2020-04-14newhoggy, haskellworks, GeorgeWilson
bits-extras100.0Efficient high-level bit operations not found in Data.Bits (bsd3, data, library)2010-09-20GabrielWicke
bitstring70.0Lazy bit strings (bsd3, data, library)2010-08-01BalazsKomuves
bittorrent200.0Bittorrent protocol implementation. (bsd3, library, network)2013-11-25SamTruzjan
bittrex240.0Bindings for the Bittrex API (bsd3, library, program, web)2018-01-08DavidJohnson
bitvec1212.0Space-efficient bit vectors (bit-vectors, bsd3, data, library, public-domain)2021-02-11JamesCook, Bodigrim
bitwise1680.0fast multi-dimensional unboxed bit packed Bool arrays (bit-vectors, bsd3, data, data-structures, library)2018-04-26ClaudeHeilandAllen
bitwise-enum1320.0Bitwise operations on bounded enumerations (bsd3, data, data-structures, foreign, library)2021-02-26jnbooth
bitx-bitcoin791.5A Haskell library for working with the BitX bitcoin exchange. (bitcoin, bsd3, finance, library, web)2017-12-24tebello_thejane
bizzlelude580.0A lousy Prelude replacement by a lousy dude (bsd3, library, prelude)2020-10-03TheBizzle
bizzlelude-js90.0A lousy Prelude replacement by a lousy dude (bsd3, library, prelude)2017-10-26TheBizzle
bkr100.0Backup utility for backing up to cloud storage services (S3 only right now) (backup, bsd3, library, program, system)2012-06-12MichaelSmietana
bktrees470.0A set data structure with approximate searching (bsd3, data-structures, library)2010-11-22JosefSvenningsson
bla (deprecated)70.0a stupid cron (bsd3, deprecated, program, system)2009-10-20JinjingWang
blakesum (deprecated)240.0The BLAKE SHA-3 candidate hashes, in Haskell (bsd3, cryptography, deprecated, library)2011-07-25KevinCantu
blakesum-demo (deprecated)90.0The BLAKE SHA-3 candidate hashes, in Haskell (bsd3, cryptography, deprecated, program)2011-07-25KevinCantu
blank-canvas3082.0HTML5 Canvas Graphics Library (bsd3, graphics, library)2020-10-02AndrewFarmer, AndyGill, ryanglscott
blanks260.0Fill-in-the-blanks - A library factoring out substitution from ASTs (bsd3, language, library)2020-11-04ejconlon
blas (deprecated in favor of hblas)260.0Bindings to the BLAS library (bsd3, deprecated, library, math)2009-01-14CarterSchonwald
blas-carray270.0Auto-generated interface to Fortran BLAS via CArrays (bsd3, library, math)2019-01-24HenningThielemann
blas-comfort-array210.0Auto-generated interface to Fortran BLAS via comfort-array (bsd3, library, math)2021-08-06HenningThielemann
blas-ffi300.0Auto-generated interface to Fortran BLAS (bsd3, library, math)2018-12-20HenningThielemann
blaze (deprecated)190.0None (bsd3, deprecated, library, unclassified)2014-12-08
blaze-builder18700.0Efficient buffered output. (bsd3, data, library)2021-10-18AndreasAbel, JasperVanDerJeugt, LeonSmith, SimonMeier
blaze-builder-conduit (deprecated in favor of conduit-extra)1670.0Convert streams of builders to streams of bytestrings. (deprecated) (bsd3, conduit, data, deprecated, library)2014-04-02MichaelSnoyman
blaze-builder-enumerator600.0Enumeratees for the incremental conversion of builders to bytestrings. (bsd3, data, enumerator, library)2015-04-01MichaelSnoyman, SimonHengel, SimonMeier, ThomasSutton
blaze-colonnade1050.0blaze-html backend for colonnade (bsd3, library, web)2019-06-24andrewthad
blaze-from-html350.0Tool to convert HTML to BlazeHtml code. (bsd3, program, text)2017-01-20JasperVanDerJeugt
blaze-html10812.25A blazingly fast HTML combinator library for Haskell (bsd3, library, text)2019-10-02JasperVanDerJeugt, SimonMeier
blaze-html-contrib150.0Some contributions to add handy things to blaze html. (bsd3, library, web)2012-04-05AdityaBhargava
blaze-html-hexpat80.0A hexpat backend for blaze-html. (bsd3, library, text)2010-12-25JasperVanDerJeugt
blaze-html-truncate450.0A truncator for blaze-html (bsd3, library, text)2013-03-19MarcelRuegenberg
blaze-markup13200.0A blazingly fast markup combinator library for Haskell (bsd3, library, text)2021-03-04DeepakJois, JasperVanDerJeugt
blaze-shields182.0create svg by Haskell (bsd3, library, web)2015-09-15Qinka
blaze-svg1842.0SVG combinator library (bsd3, graphics, library)2017-03-13BrentYorgey, DeepakJois
blaze-textual5840.0Fast rendering of common datatypes (bsd3, library, text)2021-08-30BryanOSullivan, swamp_agr
blaze-textual-native (deprecated in favor of blaze-textual)120.0Fast rendering of common datatypes (deprecated) (bsd3, deprecated, library, text)2012-01-19MichaelSnoyman
ble690.0Bluetooth Low Energy (BLE) peripherals (bsd3, library, program, unclassified)2017-12-05jkarni, scottmurphy09
blink1140.0Control library for blink(1) LED from ThingM (bsd3, hardware, library, program)2014-12-04DylanSimon
blip70.0Python to bytecode compiler. (bsd3, language-, program)2013-06-21BerniePope
bliplib120.0Support code for Blip. (bsd3, development, library)2013-06-21BerniePope
blockchain200.0Generic blockchain implementation. (blockchain, bsd3, library)2017-07-03tgolson
blockhash70.0Blockhash perceptual image hash algorithm (bsd3, library, program, web)2016-07-19kseo
blocking-transactions80.0Composable, blocking transactions. (bsd3, concurrency, library)2010-07-22ChristopherLaneHinson
blogination (deprecated)160.0Very simple static blog software (bsd3, deprecated, library, program, web)2009-02-26ChrisDone
bloodhound4602.0Elasticsearch client library for Haskell (bsd3, database, library, search)2018-06-22MichaelXavier, wraithm, bitemyapp, ChrisAllen
bloodhound-amazonka-auth240.0Adds convenient Amazon ElasticSearch Service authentication to Bloodhound. (bsd3, library, web)2018-04-30MichaelXavier
bloomfilter2060.0Pure and impure Bloom Filter implementations. (bsd3, data, library)2015-05-19BryanOSullivan
bloomfilter-redis222.0Distributed bloom filters on Redis (using the Hedis client). (bsd3, data, library)2019-06-25hesiod
blucontrol450.0Configurable blue light filter (bsd3, library, program, system)2021-07-19jumper149
bludigon (deprecated in favor of blucontrol)150.0Configurable blue light filter (bsd3, deprecated, library, program, system)2020-08-10jumper149
bluemix-sdk110.0Bindings to Bluemix APIs (bsd3, library, web)2017-05-28AlexanderThiemann
bluetile490.0full-featured tiling for the GNOME desktop environment (bsd3, program, system)2011-11-26JanVornberger
bluetileutils (deprecated in favor of bluetile)90.0Utilities for Bluetile (bsd3, deprecated, program, utils)2009-09-03JanVornberger
blunk-hask-tests (deprecated)60.0spam (bsd3, deprecated, program, spam)2018-09-16
bnb-staking-csvs302.0Generate CSV Exports of Your BNB Staking Rewards. (bsd3, console, finance, library, program, web)2021-08-10lysergia
bogre-banana20.0 (bsd3, game-engine, library, program)2013-03-31DavidEichmann
bolt430.0Bolt driver for Neo4j (bsd3, database, library)2017-03-30bflyblue
boltzmann-brain160.0Analytic sampler compiler for combinatorial systems. (bsd3, library, math, program)2019-12-09mbendkowski
bond-haskell200.0Runtime support for BOND serialization (bsd3, data, library, parsing)2016-11-26blaze
bond-haskell-compiler230.0Bond code generator for Haskell (bsd3, language, library, program)2016-11-26blaze
bookkeeper450.0Anonymous records and overloaded labels (bsd3, data-structures, library, program, records)2017-12-17jkarni, bandali
bookkeeper-permissions30.0Permissions for bookkeeper records (bsd3, data-structures, library, records)2016-09-12pkamenarsky
bool-extras230.0A fold function for Bool (bsd3, data, library)2014-04-04TomLokhorst
bool8150.0Alternative Bool type stored as byte (bsd3, foreign, library)2017-10-17HenningThielemann
boolean-like120.0Logical combinatory operations dealing with datatypes representing booleans by their constructors. (bsd3, control, library)2016-09-22Shou
boolexpr70.0Boolean expressions with various representations and search queries. (bsd3, data-structures, library, parsing, search)2011-12-15NicolasPouillard
bools (deprecated)120.0None (bsd3, deprecated, library, unclassified)2014-12-08
boolsimplifier300.0Simplification tools for simple propositional formulas. (bsd3, language, library, math)2014-12-15GershomBazerman
boombox70.0Chronokinetic stream sources and incremental consumers (bsd3, data, library)2016-02-08FumiakiKinoshita
boomerang2810.0Library for invertible parsing and printing (bsd3, library, parsing, text)2021-03-16DagOdenhall, JeremyShaw
boop72.0OOP primitives for Haskell (bsd3, library, oop)2017-11-01TobiasDammers
bordacount80.0Implementation of the Borda count election method. (algorithms, bsd3, library)2017-09-01hverr
borel80.0Metering System for OpenStack metrics provided by Vaultaire. (bsd3, development, library)2015-03-26fractalcat
boring3260.0Boring and Absurd types (bsd3, data, library)2021-04-05phadej
boring-game100.0An educational game (bsd3, library, program, web)2017-02-09checkraiser
boring-window-switcher200.0A boring window switcher. (bsd3, graphics, library, program)2018-03-15debugito
bot90.0bots for functional reactive programming (bsd3, frp, library, reactivity)2010-02-25ConalElliott
bound2262.5Making de Bruijn Succ Less (bsd3, compilers-interpreters, language, library)2021-02-05EdwardKmett, EricMertens, ryanglscott
bound-extras130.0ScopeH and ScopeT extras for bound (bsd3, compilers, interpreters, language, library)2019-04-25phadej
bound-simple490.0A lightweight implementation of 'bound' (bsd3, language, library)2021-10-18ocramz
bounded-array90.0Arrays with a value for every index (bsd3, data, library)2018-10-15puffnfresh
bounded-queue70.0A strict, immutable, thread-safe, single-ended, bounded queue. (bsd3, data, library)2019-05-06fosskers
bounded-tchan (deprecated in favor of stm-chans)200.0Bounded Transactional channels (queues) (bsd3, concurrency, deprecated, library)2011-11-06ThomasDuBuisson
boundingboxes230.0A generic boundingbox for an arbitrary vector (bsd3, data, library)2015-03-14FumiakiKinoshita
box280.0boxes (bsd3, library, program, project)2021-09-07tonyday567
box-csv130.0CSV parsing in a box. (bsd3, library, project)2021-09-08tonyday567
box-socket100.0Box websockets (bsd3, library, program, project)2021-09-08tonyday567
boxes2860.02D text pretty-printing library (bsd3, library, text)2018-03-10BrentYorgey, dfeuer, kindaro
bpann80.0backpropagation neuronal network (ai, bsd3, library)2011-10-01RobertSteuck
bpath40.0A minimal typed unix path library (bsd3, library, system)2020-12-29Poscat
braid70.0Types and functions to work with braids and Khovanov homology. (bsd3, library, math, program)2016-01-18saltza
brain-bleep100.0primitive imperative language (bsd3, language, program)2019-05-22AlanHawkins
brainfuck-monad280.0BrainFuck monad (bsd3, compilers-interpreters, library)2020-02-26JoeyHess
brainfuck-tut310.0A simple BF interpreter. (bsd3, language, library, program)2016-12-30alleledev
brainheck460.0Brainh*ck interpreter in haskell (bsd3, library, program, web)2018-09-05vmchale
break110.0Break from a loop (bsd3, control, library)2017-04-07GabrielGonzalez
brians-brain70.0A Haskell implementation of the Brian's Brain cellular automaton (bsd3, game, program)2009-10-15WillDonnelly
brick20152.75A declarative terminal user interface library (bsd3, graphics, library)2021-10-22JonathanDaugherty
brick-dropdownmenu70.0A drop-down menu widget for brick. (bsd3, graphics, library)2018-09-17mlang
brick-filetree140.0 (bsd3, library, unclassified)2019-02-13ChrisPenner
brick-skylighting530.0Show syntax-highlighted text in your Brick UI (bsd3, graphics, library)2018-08-13JonathanDaugherty
brillig110.0Simple part of speech tagger (bsd3, library, natural-language-processing, program)2011-09-03EricKow
broadcast-chan620.0Closable, fair, single-wakeup channel type that avoids 0 reader space leaks. (bsd3, library, system)2020-05-29MerijnVerstraaten
broadcast-chan-conduit200.0Conduit-based parallel streaming code for broadcast-chan (bsd3, library, system)2020-05-29MerijnVerstraaten
broadcast-chan-pipes160.0Pipes-based parallel streaming code for broadcast-chan (bsd3, library, system)2019-11-29MerijnVerstraaten
broadcast-chan-tests300.0Helpers for generating tests for broadcast-chan (bsd3, library, system)2020-05-29MerijnVerstraaten
broccoli310.0Small library for interactive functional programs. (bsd3, frp, library)2015-03-16evanrinehart
brok402.0Finds broken links in text files (bsd3, command-line-tools, library, program)2020-07-27smallhadroncollider
broker-haskell40.0Haskell bindings to Broker, Bro's messaging library. (bsd3, language, library)2015-08-16DavidBanas
bronyradiogermany-common70.0Common types and URIs for the BronyRadioGermany API bindings. (bsd3, library, network)2018-04-11implementation
bronyradiogermany-streaming110.0Streaming interface for the BronyRadioGermany API. (bsd3, library, network)2018-04-11implementation
brotli-conduit80.0Conduit interface for Brotli (RFC7932) compression. (bsd3, codec, compression, conduit, library)2019-04-20HerbertValerioRiedel
brotli-streams300.0IO-Streams interface for Brotli (RFC7932) compression (bsd3, codec, compression, io-streams, library)2019-04-20HerbertValerioRiedel
browscap30.0A reader and interface for the Browser Capabilities Project data files. (bsd3, data, library, web)2017-04-30davean
bsb-http-chunked6810.0Chunked HTTP transfer encoding for bytestring builders (bsd3, data, library, network)2018-09-29sjakobi
bsd-sysctl570.0Access to the BSD sysctl(3) interface (bsd, bsd3, library, system)2017-10-08MaximeHenrion, palik
bson-generic230.0Generic functionality for BSON (bsd3, data, library)2020-08-08PetrPilar
bson-generics (deprecated in favor of bson-generic)60.0Generics functionality for BSON (bsd3, data, deprecated, library)2012-01-26PetrPilar
bspack160.0A simple and fast bytestring packer (bsd3, data, library)2014-12-02nicolasdp
bsparse250.0A simple unassuming parser for bytestring (bsd3, bsparse, library)2014-11-05VincentHanquez, nicolasdp
btree160.0B-Tree on Unmanaged Heap (bsd3, data, library)2018-11-09andrewthad, chessai
btrfs500.0Bindings to the btrfs API (bsd3, filesystem, library, system)2018-10-25MariosTitas
buffer-builder870.0Library for efficiently building up buffers, one piece at a time (bsd3, data, library)2018-10-12chadaustin, afriesen
buffer-pipe70.0Read from stdin and write to stdout in large blocks (bsd3, console, program)2016-01-11HenningThielemann
buffon-machines120.0Perfect simulation of discrete random variables (bsd3, library, math)2019-09-16mbendkowski
bugsnag-hs4482.25A Bugsnag client for Haskell. (bsd3, library, web)2021-10-20stoeffel, JasperWoudenberg
bugzilla250.0A Haskell interface to the Bugzilla native REST API (bsd3, library, web)2014-06-26swift, sethfowler
bugzilla-redhat1260.0A Haskell interface to the Bugzilla native REST API (bsd3, library, web)2021-10-14JensPetersen
buildbox1410.0Rehackable components for writing buildbots and test harnesses. (bsd3, development, library, testing)2018-10-12BenLippmeier
buildbox-tools230.0Tools for working with buildbox benchmark result files. (bsd3, development, program, testing)2012-02-03BenLippmeier
builder80.0bounded ByteArray builder type (bsd3, data, library)2019-09-13chessai
buildwrapper1140.0A library and an executable that provide an easy API for a Haskell IDE (bsd3, development, library, program)2015-01-26JeanPhilippeMoresmau
bullet330.0A wrapper for the Bullet physics engine. (bsd3, library, physics)2014-11-08CsabaHruska
bumper350.0Automatically bump package versions, also transitively. (bsd3, development, program)2015-01-06AdamBergmark, BramSchuur, ErikHesselink
bus-pirate260.0Haskell interface to the Bus Pirate binary interface (bsd3, library, system)2016-04-13BenGamari
buster350.0Almost but not quite entirely unlike FRP (bsd3, frp, library)2009-06-23JeffersonHeard
buster-gtk100.0Almost but not quite entirely unlike FRP (bsd3, frp, library)2009-05-18JeffersonHeard
buster-network110.0Almost but not quite entirely unlike FRP (bsd3, frp, library)2009-05-18JeffersonHeard
butcher2700.0Chops a command or program invocation into digestable pieces. (bsd3, library, ui)2020-06-10lspitzner, fozworth, dukerutledge
butter262.0Monad Transformer for Asyncronous Message Passing (bsd3, concurrency, distrbution, distributed-computing, library)2018-06-19mpahrens
buttplug-hs-core50.0Client library for buttplug.io (bsd3, hardware, library, program)2021-03-13sullyj3
bv240.0Bit-vector arithmetic library (bit-vectors, bsd3, data, library)2018-03-11IagoAbal
bv-embed50.0Define embeddings of small bit vectors into larger ones (bsd3, data, library)2019-01-27benselfridge
bv-little402.0Efficient little-endian bit vector library (bit-vectors, bsd3, data, library)2019-10-09recursion_ninja
bv-sized2452.0a bitvector datatype that is parameterized by the vector width (bit-vectors, bsd3, library)2021-04-24benselfridge
bv-sized-lens30.0Well-typed lenses for bv-sized bitvectors. (bit-vectors, bsd3, library)2021-05-06benselfridge
bytable390.0data from/to ByteString (bsd3, codec, library)2014-07-01YoshikuniJujo
byte-order590.0Portable big-endian and little-endian conversions (bsd3, data, library)2020-01-06andrewthad
byteable4100.0Type class for sequence of bytes (bsd3, data, library)2013-06-28VincentHanquez
bytebuild3140.0Serialize to a small byte arrays (bsd3, data, library)2021-06-25andrewthad
bytedump170.0Flexible byte dump helpers for human readers. (bsd3, debug, library)2012-09-06VincentHanquez
bytehash70.0Universal hashing of bytes (bsd3, data, library)2020-04-30andrewthad
bytelog380.0Fast logging (bsd3, data, library)2021-10-21andrewthad
byteorder8440.0Exposes the native endianness or byte ordering of the system. (bsd3, library, system)2013-04-24AntoineLatter
bytes4812.0Sharing code for serialization between binary and cereal (bsd3, data, library, serialization)2021-02-17EdwardKmett, EricMertens, ryanglscott
byteset90.0Set of bytes. (bsd3, data, library)2015-07-07DanielDiaz
byteslice3570.0Slicing managed and unmanaged memory (bsd3, data, library)2021-09-15andrewthad
bytesmith4570.0Nonresumable byte parser (bsd3, data, library)2021-10-11andrewthad
bytestring9992.75Fast, compact, strict and lazy byte strings with a list interface (bsd3, data, library)2021-02-14BenGamari, DonaldStewart, DuncanCoutts, HerbertValerioRiedel, IanLynagh, SylvainHenry, Bodigrim, sjakobi, chessai
bytestring-arbitrary482.0Arbitrary instances for ByteStrings (bsd3, data, library)2019-06-04tsuraan
bytestring-builder8720.0The new bytestring builder, packaged outside of GHC (bsd3, data, library)2018-09-25LeonSmith, ryanglscott
bytestring-class (deprecated)110.0Classes for automatic conversion to and from strict and lazy bytestrings. (deprecated) (bsd3, data, deprecated, library)2014-03-21MichaelSnoyman
bytestring-csv210.0Parse CSV formatted data efficiently (bsd3, data, library)2008-07-21DonaldStewart
bytestring-encoding3690.0ByteString ↔ Text converter based on GHC.IO.Encoding (bsd3, data, library, text)2021-05-08MasahiroSakai
bytestring-handle560.0ByteString-backed Handles (bsd3, library, system)2017-11-30GaneshSittampalam
bytestring-lexing4970.0Efficiently parse and produce common integral and fractional numbers. (bsd2, bsd3, data, library)2021-10-17DonaldStewart, WrenThornton, WrenRomano
bytestring-mmap650.0mmap support for strict ByteStrings (bsd3, library, system)2011-04-29DonaldStewart
bytestring-nums510.0Parse numeric literals from ByteStrings. (bsd3, library, text)2012-11-23JasonDusek
bytestring-plain110.0Plain byte strings ('ForeignPtr'-less 'ByteString's) (bsd3, data, library)2015-09-07HerbertValerioRiedel
bytestring-progress900.0A library for tracking the consumption of a lazy ByteString (bsd3, control, library)2019-08-28AdamWick
bytestring-short150.0Backport copy of ShortByteString (bsd3, library, text)2018-08-26KeiHibino
bytestring-show750.0Efficient conversion of values into readable byte strings. (bsd3, library, text)2014-03-31DanDoel
bytestring-substring60.0break bytestrings up into substrings (bsd3, data, library, parsing)2019-04-25chessai
bytestring-time (deprecated in favor of text-time)70.0Library for Time parsing from ByteString (bsd3, data, deprecated, library)2016-12-13klangner
bytestring-to-vector1810.0Convert between ByteString and Vector.Storable without copying (bsd3, data-structures, library)2019-02-08SvenHeyll
bytestring-trie3852.5An efficient finite map from (byte)strings to values. (bsd3, data, data-structures, library)2021-10-16WrenThornton, WrenRomano
bytestring-typenats80.0Bytestrings with typenat lengths (bsd3, data, library)2017-01-26tsuraan
bytestringparser150.0Combinator parsing with Data.ByteString.Lazy (bsd3, library, parsing, text)2008-01-27BryanOSullivan
bytestringparser-temporary130.0Combinator parsing with Data.ByteString.Lazy (bsd3, library, parsing, text)2009-09-15JasonDusek
bytestringreadp100.0A ReadP style parser library for ByteString (bsd3, library, text)2007-12-13GracjanPolak
byteunits700.0Human friendly conversion between byte units (KB, MB, GB...) (bsd3, library)2020-12-15chrissound
bz2922.0Bindings to libbz2 (bsd3, compression, library)2020-05-12vmchale
bzip-signature120.0Backpack signature for BZip compression (bsd3, bzip, compression, library, signatures)2020-03-27vmchale
bzlib860.0Compression and decompression in the bzip2 format (bsd3, codec, library)2020-06-08DuncanCoutts
bzlib-conduit1120.0Streaming compression/decompression via conduits. (bsd3, codec, library)2019-08-06HideyukiTanaka, MichaelSnoyman
c-enum60.0To make a type corresponding to an enum of C language (bsd3, foreign, library)2021-05-07YoshikuniJujo
c-io30.0C IO. (bsd3, library, system)2008-10-28MattMorrow
c-mosquitto390.0Simpe mosquito MQTT binding able to work with the Amazons IoT (bsd3, library, program)2019-10-24tolysz
c-storable170.0CStorable class (bsd3, development, haskell, library)2020-07-19EvanLaforge
c-storable-deriving290.0Generate C-like storable instances from datatypes (bsd3, foreign, library)2015-12-29MatthewMaurer
c-struct100.0To make a wrapper for struct of C language (bsd3, foreign, library)2021-05-25YoshikuniJujo
c10k130.0C10k server library using prefork (bsd3, library, network)2011-08-31KazuYamamoto
c2hsc860.0Convert C API header files to .hsc and .hsc.helper.c files (bsd3, development, library, program)2017-12-09JohnWiegley
ca30.0Cellular Automata (bsd3, library, math)2018-04-22
ca-province-codes210.0ISO 3166-2:CA Province Codes and Names (bsd3, data, library)2019-01-28lysergia
cab790.0A maintenance command of Haskell cabal packages (bsd3, distribution, library, program)2021-01-27KazuYamamoto
cabal-bounds2232.0A command line program for managing the dependency versions in a cabal file. (bsd3, development, library, program, utils)2020-06-27DanielTrstenjak
cabal-build-programs80.0Adds executable dependencies to the Cabal build (bsd3, distribution, library)2020-01-17deech
cabal-bundle-clib80.0Bundling C/C++ projects in Cabal package made easy (bsd3, development, library)2019-02-03zelinf
cabal-cache830.0CI Assistant for Haskell projects (bsd3, development, library, program)2021-03-14newhoggy, haskellworks
cabal-cargs1340.0A command line program for extracting compiler arguments from a cabal file. (bsd3, development, library, program, utils)2020-06-27DanielTrstenjak
cabal-clean570.0Remove outdated cabal build artefacts from `dist-newstyle`. (bsd3, development, program)2021-09-24AndreasAbel
cabal-db502.25query tools for the local cabal database (bsd3, program, tools)2015-03-11VincentHanquez
cabal-debian3231.75Create a Debianization for a Cabal package (bsd3, debian, distribution, library, program, system)2020-08-03ClintAdams, DavidFox
cabal-dependency-licenses240.0Compose a list of a project's transitive dependencies with their licenses (bsd3, distribution, program)2017-01-22JasperVanDerJeugt
cabal-dev (deprecated in favor of cabal-install)470.0Manage sandboxed Haskell build environments (bsd3, deprecated, development, program)2013-02-28JonathanDaugherty, JoshHoyt, RoganCreswick
cabal-dir190.0show dist dir of 'cabal copy/install' (bsd3, distribution, program)2013-12-24YoshikuniJujo
cabal-doctest (deprecated)10112.0A Setup.hs helper for doctests running (bsd3, deprecated, distribution, library)2019-10-02phadej, ryanglscott
cabal-file120.0Cabal file access (bsd3, distribution, library, program)2020-11-13JensPetersen
cabal-file-th450.0Template Haskell expressions for reading fields from a project's cabal file. (bsd3, development, library)2020-03-22NickPartridge, SimonMichael
cabal-flatpak190.0Generate a FlatPak manifest from a Cabal package description (bsd3, distribution, program)2020-05-25HenningThielemann
cabal-ghc-dynflags90.0Conveniently configure GHC's dynamic flags for use with Cabal projects (bsd3, development, library)2015-08-14BenGamari
cabal-ghci (deprecated in favor of cabal-install)240.0Set up ghci with options taken from a .cabal file (bsd3, deprecated, development, library, program)2013-08-09EtienneLaurin
cabal-install19182.5The command-line interface for Cabal and Hackage. (bsd3, distribution, program)2021-10-08AndresLoeh, DuncanCoutts, HerbertValerioRiedel, MikhailGlushenkov, phadej, Bodigrim, topos
cabal-install-bundle230.0The (bundled) command-line interface for Cabal and Hackage. (bsd3, distribution, program)2013-12-19BartoszCwiklowski
cabal-install-ghc7290.0Temporary version of cabal-install for ghc-7.2 (bsd3, distribution, program)2011-12-05TonyHannan
cabal-install-ghc7480.0Temporary version of cabal-install for ghc-7.4 (bsd3, distribution, program)2012-03-05AndreasAbel
cabal-lenses980.0Lenses and traversals for the Cabal library. (bsd3, development, library, utils)2020-06-27DanielTrstenjak
cabal-macosx682.25Cabal support for creating Mac OSX application bundles. (bsd3, distribution, library, program)2019-12-26EricKow, dfrancesconi
cabal-meta710.0build multiple packages at once (bsd3, development, library, program)2015-03-26GregWeber
cabal-nirvana (deprecated)250.0Avoid Cabal dependency hell by constraining to known good versions. (deprecated) (bsd3, deprecated, distribution, program)2014-03-20MichaelSnoyman
cabal-progdeps80.0Show dependencies of program being built in current directory (bsd3, distribution, program)2012-01-14KevinQuick
cabal-query30.0Helpers for quering .cabal files or hackageDB's 00-index.tar (bsd3, library, system)2009-08-09MaxDesyatov
cabal-scripts90.0Shell scripts for support of Cabal maintenance (bsd3, development, library)2015-04-08HenningThielemann
cabal-setup70.0The user interface for building and installing Cabal packages (bsd3, distribution, program)2007-10-21DuncanCoutts
cabal-sign280.0Sign and verify Cabal packages. (bsd3, development, program)2013-02-02ChrisDone
cabal-sort420.0Topologically sort cabal packages (bsd3, distribution, program)2018-05-18HenningThielemann
cabal-src (deprecated in favor of stack)570.0Alternative install procedure to avoid the diamond dependency issue. (bsd3, deprecated, distribution, program)2016-10-10MichaelSnoyman
cabal-test60.0Automated test tool for cabal projects. (bsd3, program, testing)2007-09-16DavidHimmelstrup
cabal-test-bin210.0A program for finding temporary build file during cabal-test. (bsd3, library, program, testing)2015-02-03junjihashimoto
cabal-test-compat (deprecated)120.0Compatibility interface of cabal test-suite. (bsd3, deprecated, library, testing)2015-01-02KeiHibino
cabal-toolkit330.0Helper functions for writing custom Setup.hs scripts. (bsd3, distribution, library)2020-03-27sgraf812, terrorjack
cabal-uninstall580.0Uninstall cabal packages (bsd3, distribution, program)2014-08-22JanChristiansen
cabal-upload210.0Command-line tool for uploading packages to Hackage (bsd3, distribution, program)2007-08-24BjornBringert
cabal2arch (deprecated)1690.0Create Arch Linux packages from Cabal packages. (bsd3, deprecated, distribution, program)2011-05-09DonaldStewart, MagnusTherning, PeterSimons
cabal2doap100.0Cabal to Description-of-a-Project (DOAP) (bsd3, distribution, program)2009-08-25GregHeartsfield
cabal2ebuild220.0make gentoo's .ebuild file from .cabal file (bsd3, distribution, library, program)2014-04-01YoshikuniJujo
cabal2ghci60.0A tool to generate .ghci file from .cabal (bsd3, development, program)2013-08-22HiromiIshii
cabal2nix4890.0Convert Cabal files into Nix build instructions. (bsd3, distribution, library, nix, program)2021-07-29PeterSimons, sternenseemann, jophish, cdepillabout, maralorn
cabalQuery110.0A simple tool to query cabal files. (bsd3, development, library, program)2015-05-01RoganCreswick
cabalgraph60.0Generate pretty graphs of module trees from cabal files (bsd3, distribution, program)2009-03-16DonaldStewart
cabalish130.0Provides access to the cabal file data for shell scripts (bsd3, program, utilities)2017-04-25RobertFischer
cabalvchk130.0Verify installed package version against user-specified constraints. (bsd3, distribution, program)2012-01-14KevinQuick
cabin100.0Cabal binary sandboxes. (bsd3, distribution, program)2015-04-17nclarke
cabocha70.0 (bsd3, library, natural-language-processing)2015-04-23MiyazawaAkira
cache1042.0An in-memory key/value store with expiration support (bsd3, cache, data, library)2019-12-09hverr
cache-polysemy130.0cached hashmaps (bsd3, cache, library)2020-04-24Poscat
cached70.0Cache values to disk. (bsd3, data-flow, library, workflow)2019-03-05GuillaumeCherel
cached-json-file70.0Locally cache a json file obtained by http (bsd3, library, network)2021-07-29JensPetersen
cached-traversable130.0Transparent, persistent caching of lazy, traversable structures (bsd3, data, library)2014-10-07ThomasTuegel
caching (deprecated)30.0Cache combinators. (bsd3, data, deprecated, library)2020-09-05davean
caching-vault80.0A vault-style cache implementation (bsd3, data, library)2021-01-03AlexanderThiemann
caerbannog230.0That rabbit's got a vicious streak a mile wide! (bsd3, data, library, parsing)2021-05-13fozworth
caf80.0A library of Concurrency Abstractions using Futures. (bsd3, concurrency, library)2009-03-26MartinaWillig
caffegraph112.0 (bsd3, library, math)2015-02-17ajtulloch
cairo4072.0Binding to the Cairo library. (bsd3, graphics, library)2020-06-21AndyStewart, AxelSimon, DanielWagner, DuncanCoutts, HamishMackenzie
cairo-appbase140.0A template for building new GUI applications using GTK and Cairo. (bsd3, development, program)2011-11-14ConradParker
cairo-core180.0Cairo Haskell binding (partial) (bsd3, graphics, library)2019-04-09magicloud
cake3430.0Third cake the Makefile EDSL (bsd3, development, library, program)2016-10-26SergeyMironov
cakyrespa790.0run turtle like LOGO with lojban (bsd3, program, teaching)2012-10-29YoshikuniJujo
cal-layout120.0Calendar Layout Algorithm (bsd3, library, math, program)2019-01-03bor0
calc40.0A small compiler for arithmetic expressions. (bsd3, program, unclassified)2007-11-23AustinSeipp
calendar-recycling130.0List years with the same calendars (bsd3, math, program)2018-08-31HenningThielemann
calenderweek50.0Commandline tool to get week of the year (bsd3, commandline, program)2019-11-25rmeis
call340.0The call game engine (bsd3, game, library)2015-03-21FumiakiKinoshita
camh80.0write image files onto 256(or 24bit) color terminals. (bsd3, graphics, program)2017-05-25HironaoKomatsu
campfire170.0Haskell implementation of the Campfire API (bsd3, library, web)2012-06-11MichaelXavier
can-i-haz450.0Generic implementation of the Has and CoHas patterns (bsd3, control, library)2019-12-150xd34df00d
canonical-filepath170.0Abstract data type for canonical file paths. (bsd3, library, system)2014-02-15ThomasSchilling
canonical-json4760.0Canonical JSON for signing and hashing JSON values (bsd3, json, library, text)2019-07-31DuncanCoutts, EdskoDeVries, HerbertValerioRiedel
cantor110.0Application for analysis of java source code (application, bsd3, program, source-code-analysis)2014-12-25klangner
cap50.0Interprets and debug the cap language. (bsd3, language, program)2008-09-28ThomasDavie
capability452.0Extensional capabilities and deriving combinators (bsd3, control, library)2021-07-21aherrmann
capped-list (deprecated in favor of enumerator)120.0A list-like type for lazy sequences, with a user-defined termination value. (bsd3, data, deprecated, library)2010-01-09JohnMillikin
capri20.0A simple wrapper over cabal-install to operate in project-private mode. (bsd3, distribution, program)2010-07-10DmitryGolubovsky
caps110.0Monadic capabilities with late binding (bsd3, control, library)2021-03-14int_index
car-pool130.0Simple web-server for organizing car-pooling for an event (bsd3, program, web)2015-11-01HenningThielemann
carbonara80.0some spaghetti code (bsd3, library, system)2017-03-10szehk
carboncopy110.0Drop emails from threads being watched into special CC folder. (bsd3, email, program)2011-03-17EugenyDzhurinsky
carray880.0A C-compatible array library. (bsd3, data, library)2017-07-18HenningThielemann, JedBrown
cartel (deprecated in favor of hpack)840.0Specify Cabal files in Haskell (bsd3, deprecated, distribution, library, program)2016-06-30OmariNorman
casa-abbreviations-and-acronyms220.0CASA Abbreviations and Acronyms (aviation, bsd3, library, program)2020-07-09TonyMorris, qfpl
casa-client990.0Client for Casa (bsd3, development, library)2020-03-05ChrisDone
casa-types1140.0Types for Casa (bsd3, development, library)2020-11-11ChrisDone, MichaelSnoyman, borsboom
cascading (deprecated in favor of clay)70.0DSL for HTML CSS (Cascading Style Sheets) (bsd3, deprecated, library, web)2013-06-20ErtugrulSoeylemez, esz
case-conversion90.0Convert between different cases (bsd3, library, program, text)2017-01-15AlanHawkins
case-insensitive12540.0Case insensitive string comparison (bsd3, data, library, text)2019-05-05BasVanDijk, SimonHengel
case-insensitive-match170.0A simplified, faster way to do case-insensitive matching. (bsd3, library, program, text)2016-08-04mikehat
caseof140.0Combinators for casing on constructors (bsd3, development, library)2018-03-07ChrisDone
cash90.0the Computer Algebra SHell (bsd3, computer-algebra, library, math)2012-03-26ChrisBrown
cassandra-cql472.25Haskell client for Cassandra's CQL protocol (bsd3, database, library)2015-07-30StephenBlackheath, kayceesrk
cassava6982.5A CSV parsing and encoding library (bsd3, csv, library, text, web)2019-09-01HerbertValerioRiedel, JohanTibell
cassava-conduit930.0Conduit interface for cassava package (bsd3, data, library)2020-07-21domdere
cassava-embed301.25CSV-file embedding library (bsd3, csv, library, text)2017-09-20typeable
cassava-generic120.0Cassave instances for functor-like datatypes like `Either String a`. (bsd3, data, library)2020-07-30MichalGajda
cassava-records170.0Auto-generation of records data type. (bsd3, csv, library, text, web)2018-01-23gdevanla
cassava-streams400.0io-streams interface for the cassava CSV library. (bsd3, csv, data, io-streams, library, text)2020-10-29PeterJones
cassette80.0A combinator library for simultaneously defining parsers and pretty printers. (bsd3, library, parsing, text)2012-03-19MathieuBoespflug
cassy330.0A high level driver for the Cassandra datastore (bsd3, database, library)2014-09-02OzgunAtaman
cast182.0Abstact cast pattern (bsd3, library, pattern)2017-07-31ozzzzz
castagnoli50.0Portable CRC-32C (bsd3, data, library)2019-11-05andrewthad
caster260.0Multicast, thread-safe, and fast logger. (bsd3, library, system)2019-05-06A_kirisaki
catalyst60.0A Category typeclass hierarchy powerful enough to encode full programs. (bsd3, library, unclassified)2021-04-12ChrisPenner
catamorphism430.0Exposes a Template Haskell function for generating catamorphisms. (bsd3, development, library)2018-04-15frerich
catch-fd190.0MonadThrow and MonadCatch, using functional dependencies (bsd3, control, library)2012-10-12AndySonnenburg
categorical-algebra90.0Categorical Monoids and Semirings (bsd3, data, library)2012-03-26JonathanFischoff
categories980.0Categories (bsd3, control, library)2015-01-06EdwardKmett
category (deprecated)601.25Categorical types and classes (bsd3, control, deprecated, library, math)2019-12-24
category-extras930.0A meta-package documenting various packages inspired by category theory (bsd3, comonads, control, library, monads)2012-04-06DanDoel, DanielWagner, EdwardKmett, RussellOConnor
category-printf130.0Highbrow approach to type-safe printf format specifications. (bsd3, library, text)2016-05-08CaleGibbard
category-traced (deprecated in favor of category)91.25Traced monoidal categories (bsd3, deprecated, library, math)2016-02-24
cautious180.0Keep track of warnings and errors during calculations. (bsd3, library, testing)2018-04-29NickskeVdb
cautious-file420.0Ways to write a file cautiously, to reduce the chances of problems such as data loss due to crashes or power failures (bsd3, library, system)2013-01-01CoreyOConnor, RobinGreen
cautious-gen60.0 (bsd3, library, testing)2018-04-29
cayene-lpp (deprecated in favor of cayenne-lpp)70.0Cayenne Low Power Payload (bsd3, deprecated, library, web)2018-07-31srk
cayenne-lpp80.0Cayenne Low Power Payload (bsd3, library, web)2021-03-20srk
cayley-client1220.0A Haskell client for the Cayley graph database (bsd3, database, library)2021-10-23MichelBoucey
cbor-tool330.0A tool for manipulating CBOR. (bsd3, codec, program)2019-12-30AustinSeipp, BenGamari
cborg8442.5Concise Binary Object Representation (CBOR) (bsd3, codec, library)2021-04-08AustinSeipp, BenGamari, DuncanCoutts, HerbertValerioRiedel
cborg-json2560.0A library for encoding JSON as CBOR (bsd3, codec, library)2019-12-30AustinSeipp, BenGamari
ccast (deprecated)80.0typesafe c-style casts; useful for FFI (bsd3, data, deprecated, library)2018-05-29chessai
cci30.0Bindings for the CCI networking library (bsd3, library, network)2013-11-05FacundoDominguez
ccnx20.0A Haskell implementation of the CCNx network protocol. (bsd3, library, network)2010-08-24TomHawkins
cdar-mBound220.0Exact real arithmetic using Centred Dyadic Approximations (bsd3, data, library, program)2021-06-04MichalKonecny
cdeps850.0Extract dependencies from C code. (bsd3, c, development, language, library, program)2020-06-24vmchale
cef120.0CEF log format (bsd3, library, system)2016-05-08utdemir
cef3-raw70.0Raw CEF3 bindings (bsd3, ffi, library)2017-04-15MaksymilianOwsianny
cef3-simple80.0Simple wrapper around cef3-raw (bsd3, ffi, library)2017-04-15MaksymilianOwsianny
ceilometer-common100.0Common Haskell types and encoding for OpenStack Ceilometer (bsd3, development, library)2015-03-26fractalcat
cellrenderer-cairo70.0Cairo-based CellRenderer (bsd3, graphics, library)2013-05-13JohnLato
cerberus (deprecated)80.0Protect and control API access with cerberus (bsd3, deprecated, development, library, program)2015-12-17yogsototh
cereal13642.0A binary serialization library (bsd3, data, library, parsing)2019-05-31EricMertens, ThomasDuBuisson, TrevorElliott
cereal-conduit1870.0Turn Data.Serialize Gets and Puts into Sources, Sinks, and Conduits (bsd3, conduit, library)2018-02-01MichaelSnoyman, MylesMaxfield
cereal-ieee754 (deprecated in favor of cereal)80.0Floating point support for the 'cereal' serialization library (bsd3, data, deprecated, library, parsing)2011-08-31JacobStanley
cereal-io-streams60.0io-streams support for the cereal binary serialization library (bsd3, data, io-streams, library, parsing)2016-07-08MichaelXavier
cereal-streams (deprecated in favor of wire-streams)60.0Use cereal to encode/decode io-streams. (bsd3, data, deprecated, io-streams, library, parsing)2016-07-09winterland
cereal-time120.0Serialize instances for types from `time` package. (bsd3, data, library)2017-11-06zohl
cereal-vector1190.0Serialize instances for Data.Vector types. (bsd3, data, library)2014-02-16AdamFoltzer
certificate (deprecated in favor of x509)2240.0Certificates and Key Reader/Writer (bsd3, data, deprecated, library)2013-10-07VincentHanquez
cfenv80.0A library getting the environment when running on Cloud Foundry (bsd3, library)2018-06-25tomoram
cfipu50.0cfipu processor for toy brainfuck-like language (bsd3, compilers-interpreters, program)2014-12-02ByronJohnson
cflp870.0Constraint Functional-Logic Programming in Haskell (bsd3, control, library)2009-06-04SebastianFischer
cfopu (deprecated in favor of cfipu)70.0cfopu processor (bsd3, compilers-interpreters, deprecated, program)2010-07-12ByronJohnson
cgen100.0generates Haskell bindings and C wrappers for C++ libraries (bsd3, development, library, program)2012-06-16AnttiSalonen
cgi2050.0A library for writing CGI programs (bsd3, library, network)2019-10-07AndersKaseorg, BjornBringert, IanLynagh, MaxBolingbroke, PeterSimons, cheecheeo
cgi-undecidable60.0Undecidable instances for the cgi package. (bsd3, library, unclassified)2007-02-11BjornBringert
cgi-utils140.0Simple modular utilities for CGI/FastCGI (sessions, etc.) (bsd3, cgi, library, web)2011-03-29
chainweb-mining-client80.0Mining Client for Kadena Chainweb (bsd3, data, mathematics, program)2020-08-21larsk
chalkboard210.0Combinators for building and processing 2D images. (bsd3, graphics, library)2009-12-02AndyGill
chalkboard-viewer80.0OpenGL based viewer for chalkboard rendered images. (bsd3, graphics, library)2009-04-24AndyGill
chalmers-lava2000570.0Hardware description EDSL (bsd3, hardware, language, library)2016-05-19EmilAxelsson
chan170.0Some extra kit for Chans (bsd3, concurrency, library)2018-12-04athanclark
chan-split230.0Concurrent Chans as read/write pairs. Also provides generic Chan pair class. (bsd3, concurrency, library)2012-10-27BrandonSimmons
change-monger50.0Parse VCS changelogs into ChangeLogs (bsd3, development, library, program, text)2008-05-15GwernBranwen
changelogged160.0Changelog manager for Git projects. (bsd3, development, library, program)2018-03-06NickolayKudasov
char-decode80.0Convert legacy byte encodings to and from Unicode (bsd3, library, text)2019-01-08nbloomf
charade102.0Rapid prototyping websites with Snap and Heist (bsd3, library, program, web)2014-11-07DougBeardsley
charset10950.0Fast unicode character sets based on complemented PATRICIA tries (bsd3, data, library)2021-02-18EdwardKmett, phadej, ryanglscott
chart-cli70.0Command-line utility to draw charts from input data easily (bsd3, graphics, program)2019-08-25IlyaPortnov
chart-histogram (deprecated in favor of Chart)280.0Easily render histograms with Chart (bsd3, deprecated, graphics, library)2016-04-13BenGamari
chart-svg322.0Charting library targetting SVGs. (bsd3, charts, library, program)2021-09-07tonyday567
chart-svg-various60.0See readme.md (bsd3, library, program, project)2020-08-07tonyday567
chart-unit (deprecated in favor of chart-svg)930.0Native haskell charts. (bsd3, charts, deprecated, library)2018-06-07tonyday567
charter70.0 (bsd3, library, program, unclassified)2020-11-14ChrisPenner
chaselev-deque570.0Chase & Lev work-stealing lock-free double-ended queues (deques). (bsd3, concurrent, data, library)2015-03-08BrandonSimmons, RyanNewton, peter_fogg
chatter852.0A library of simple NLP algorithms. (bsd3, library, natural-language-processing, program)2017-03-29RoganCreswick
cheapskate1770.0Experimental markdown processor. (bsd3, library, program, text)2020-01-24JohnMacFarlane
cheapskate-highlight90.0Code highlighting for cheapskate (bsd3, library, text)2016-03-14Artyom
cheapskate-lucid90.0Use cheapskate with Lucid (bsd3, library, web)2016-03-15Artyom
cheapskate-terminal80.0Initial project template from stack (bsd3, library, program, web)2016-01-18yamadapc
check-cfg-ambiguity20.0Checks context free grammar for ambiguity using brute force up to given limit (bsd3, library, parsing)2021-05-23safinaskar
check-email160.0Confirm whether an email is valid and probably existant. (bsd3, library, network)2017-03-01ChrisDone, qoelet
check-pvp202.0Check whether module and package imports conform to the PVP (bsd3, distribution, program)2019-05-18HenningThielemann
checked90.0Bounds-checking integer types. (bsd3, data, library)2010-09-18AntoineLatter
checkers2302.0Check properties on standard classes and data structures. (bsd3, library, testing)2020-06-18ConalElliott, sjakobi
checksum100.0Compute and verify checksums of ISBN, IBAN, etc. (bsd3, library, math)2018-04-16HenningThielemann
cherry-core-alpha190.0The core library for Cherry Haskell. (bsd3, development, library)2021-01-27terezasokol
chessIO580.0Basic chess library (bsd3, game, library, program)2021-08-22mlang
chesshs140.0Simple library for validating chess moves and parsing PGN files (bsd3, game, library)2015-03-13ArnoVanLumig
chevalier-common70.0Query interface for Chevalier (bsd3, library, other)2015-03-26fractalcat
chimera820.0Lazy infinite streams with O(1) indexing and applications for memoization (bsd3, data, library)2021-08-09Bodigrim
chiphunk410.0Haskell bindings for Chipmunk2D physics engine (bsd3, library, physics)2020-12-07DavidHimmelstrup, CthulhuDen
chitauri90.0Helper for the Major System (bsd3, program, web)2016-10-10marcusbuffett
chp522.0An implementation of concurrency ideas from Communicating Sequential Processes (bsd3, concurrency, library)2014-04-25NeilBrown
chp-mtl70.0MTL class instances for the CHP library (bsd3, concurrency, library)2010-05-03NeilBrown
chp-plus310.0A set of high-level concurrency utilities built on Communicating Haskell Processes (bsd3, concurrency, library)2014-04-25NeilBrown
chp-spec60.0A mirror implementation of chp that generates a specification of the program (bsd3, concurrency, library)2010-05-03NeilBrown
chp-transformers50.0Transformers instances for the CHP library (bsd3, concurrency, library)2010-05-03NeilBrown
chr-core130.0Constraint Handling Rules (bsd3, control, library)2018-08-18AtzeDijkstra
chr-data120.0Datatypes required for chr library (bsd3, development, library)2018-08-18AtzeDijkstra
chr-lang100.0AST + surface language around chr (bsd3, development, library, program)2018-01-07AtzeDijkstra
chr-parse80.0Parsing for chr library (bsd3, development, library)2017-12-28AtzeDijkstra
chr-pretty120.0Pretty printing for chr library (bsd3, development, library)2017-12-28AtzeDijkstra
chronograph120.0measure timings of data evaluation (bsd3, library, testing)2014-01-02JohnLato
chronos2252.0A high-performance time library (bsd3, data, development, library, parsing, time)2021-09-07andrewthad, chessai
chronos-bench210.0Benchmarking tool with focus on comparing results. (benchmarking, bsd3, development, library, performance, program, testing)2019-03-10knupfer
chs-cabal1120.0Cabal with c2hs dependencies (bsd3, build, cabal, customsetup, distribution, library, setup)2021-08-06vmchale
chs-deps860.0c2hs dependency analyzer (bsd3, chs, development, library, staticanalysis)2019-10-01vmchale
chu2340.0FFI for Chu2 Agda Web Server Interface (bsd3, library, web)2012-11-20JinjingWang
church-maybe70.0Church encoded Maybe (bsd3, data, library)2018-08-01qfpl
church-pair110.0Church encoded pair (bsd3, data, library)2017-07-07mat8913
cil110.0An interface to CIL. (bsd3, language, library)2010-11-10TomHawkins
cinvoke70.0A binding to cinvoke. (bsd3, foreign, library)2011-03-05RemiTurk
cipher-aes (deprecated in favor of cryptonite)2950.0Fast AES cipher implementation with advanced mode of operations (bsd3, cryptography, deprecated, library)2015-06-21VincentHanquez
cipher-aes1284480.0AES and common modes using AES-NI when available. (bsd3, cryptography, library)2021-10-07ThomasDuBuisson
cipher-blowfish (deprecated in favor of cryptonite)260.0Blowfish cipher (bsd3, cryptography, deprecated, library)2013-10-08VincentHanquez
cipher-camellia200.0Camellia block cipher primitives (bsd3, cryptography, library)2013-10-08VincentHanquez
cipher-des480.0DES and 3DES primitives (bsd3, cryptography, library)2013-10-24VincentHanquez
cipher-rc4 (deprecated in favor of cryptonite)680.0Fast RC4 cipher implementation (bsd3, cryptography, deprecated, library)2013-10-08VincentHanquez
cipher-rc5120.0Pure RC5 implementation (bsd3, cryptography, library)2016-03-19FinnEspenGundersen
circ110.0A Compiler IR Compiler. (bsd3, compiler, language, library)2012-08-01TomHawkins
circle-packing1092.0Simple heuristic for packing discs of varying radii in a circle (bsd3, library, optimisation)2017-06-20JoachimBreitner
circuit-breaker80.0An implementation of the "circuit breaker" pattern to disable repeated calls to a failing system (bsd3, library, program, system)2019-03-24ChrisCoffey
circular230.0Circular fixed-sized mutable vectors (bsd3, data-structures, library, math)2021-09-15dschrempf
circus30.0Types and a small DSL for working with netlistsvg (bsd3, hardware, library)2021-07-16isovector
citation-resolve610.0convert document IDs such as DOI, ISBN, arXiv ID to bibliographic reference. (bsd3, library, text)2014-10-02TakayukiMuranushi
citeproc-hs690.0A Citation Style Language implementation in Haskell (bsd3, library, text)2015-03-17AndreaRossato
cjk100.0Data about Chinese, Japanese and Korean characters and languages (bsd3, library, text)2013-02-05MaxBolingbroke
cl3272.0Clifford Algebra of three dimensional space. (algebra, bsd3, library, math)2020-07-21nwaivio
cl3-hmatrix-interface130.0Interface to/from Cl3 and HMatrix. (algebra, bsd3, library, math)2020-07-21nwaivio
cl3-linear-interface160.0Interface to/from Cl3 and Linear. (algebra, bsd3, library, math)2020-07-21nwaivio
clash (deprecated in favor of clash-ghc)670.0CAES Language for Synchronous Hardware (CLaSH) (bsd3, deprecated, hardware, language, library)2011-12-02ChristiaanBaaij
clash-multisignal140.0 (bsd3, hardware, library)2017-07-05ralu
classify-frog180.0Classify sounds produced by Xenopus laevis (bioinformatics, bsd3, program)2019-08-13HenningThielemann
classy-influxdb-simple160.0Super simple InfluxDB package in Classy-MTL style (bsd3, database, library)2017-02-23schalmers
classy-miso80.0Typeclass based support for Miso, the Tasty Web Framework for Haskell. (bsd3, library, program, web)2018-03-26RobertFischer
classyplate400.0Fuseable type-class based generics (bsd3, data, library)2018-11-14lazac
clay1532.25CSS preprocessor as embedded Haskell. (bsd3, graphics, library, web)2019-11-26SebastiaanVisser, turion
clckwrks2870.0A secure, reliable content management system (CMS) and blogging platform (bsd3, clckwrks, library)2021-07-26JeremyShaw
clckwrks-cli910.0a command-line interface for adminstrating some aspects of clckwrks (bsd3, clckwrks, library, program)2020-05-19JeremyShaw
clckwrks-dot-com320.0clckwrks.com (bsd3, clckwrks, program)2015-05-15JeremyShaw
clckwrks-plugin-bugs750.0bug tracking plugin for clckwrks (bsd3, clckwrks, library)2014-08-20JeremyShaw
clckwrks-plugin-ircbot850.0ircbot plugin for clckwrks (bsd3, clckwrks, library)2019-05-26JeremyShaw
clckwrks-plugin-mailinglist30.0mailing list plugin for clckwrks (bsd3, clckwrks, library)2017-07-21JeremyShaw
clckwrks-plugin-media970.0media plugin for clckwrks (bsd3, clckwrks, library)2020-10-12JeremyShaw
clckwrks-plugin-page1810.0support for CMS/Blogging in clckwrks (bsd3, clckwrks, library)2020-10-26JeremyShaw
clckwrks-plugin-redirect30.0support redirects for CMS/Blogging in clckwrks (bsd3, clckwrks, library)2020-10-19JeremyShaw
clckwrks-theme-bootstrap530.0simple bootstrap based template for clckwrks (bsd3, clckwrks, library)2021-07-26JeremyShaw
clckwrks-theme-clckwrks240.0simple bootstrap based template for clckwrks (bsd3, clckwrks, library)2016-10-07JeremyShaw
clckwrks-theme-geo-bootstrap80.0geo bootstrap based template for clckwrks (bsd3, clckwrks, library)2013-04-02JeremyShaw
clean-home220.0Keep your home dir clean by finding old conf files (bsd3, program, utils)2017-03-19IvanPerez, keera_studios_ci
clean-unions (deprecated in favor of extensible)230.0Open unions without need for Typeable (bsd3, data, deprecated, library)2014-10-13FumiakiKinoshita
clevercss290.0A CSS preprocessor (bsd3, library, program, text)2011-01-06GeorgBrandl
clexer70.0Lexes C++ code into simple tokens (bsd3, library, unclassified)2018-02-22ThomasEding
cli250.0CLI (bsd3, cli, library, program)2019-01-04VincentHanquez, nicolasdp
cli-extras120.0Miscellaneous utilities for building and working with command line interfaces (bsd3, command-line, library)2021-04-10RyanTrinkle, abrar
cli-git100.0Bindings to the git command-line interface (bindings, bsd3, git, library)2021-04-10RyanTrinkle, abrar
cli-nix80.0Bindings to the nix command-line interface (bindings, bsd3, library, nix)2020-11-24RyanTrinkle, abrar
cli-setup500.0Helper setup scripts for packaging command-line tools. (bsd3, command-line-tools, development, library)2019-12-15vmchale
clifford510.0A Clifford algebra library (bsd3, library, math, numerical, program)2014-03-29spacekitteh
clifm230.0Command Line Interface File Manager (bsd3, program, system)2018-06-21pasqu4le
climb180.0Building blocks for a GHCi-like REPL with colon-commands (bsd3, library, program, user-interfaces)2020-06-24ejconlon
clipper90.0Haskell API to clipper (2d polygon union/intersection/xor/clipping API) (algebra, bsd3, library)2011-08-08ChetanTaralekar
clit1270.0Post tweets from stdin (bsd3, library, program, web)2017-03-21
cloben140.0Clone and benchmark Haskell cabal projects (benchmarking, bsd3, program)2018-11-02sgraf812
clock14192.5High-resolution clock functions: monotonic, realtime, cputime. (bsd3, library, system)2021-01-21CetinSert
clock-extras190.0A couple functions that probably should be in the 'clock' package (bsd3, library, web)2016-10-05JonathanFischoff
clogparse100.0Parse IRC logs such as the #haskell logs on tunes.org (bsd3, irc, language, library, text)2010-10-02KeeganMcAllister
closed-classes40.0Closed type class declarations (bsd3, classes, library, type-system)2021-09-08AnthonyVandikas
cloud-haskell120.0The Cloud Haskell Application Platform (bsd3, control, library)2016-07-30FacundoDominguez, TimWatson
cloudfront-signer60.0CloudFront URL signer (bsd3, library, network)2013-08-24ChrisDornan
clr-bindings100.0Glue between clr-host and clr-typed (.net, bsd3, clr, ffi, language, library)2017-08-05PepeIborra, TimMatthews
clr-host270.0Hosting the Common Language Runtime (.net, bsd3, clr, ffi, language, library)2018-10-01PepeIborra, TimMatthews, moodmosaic
clr-inline190.0Quasiquoters for inline C# and F# (.net, bsd3, clr, ffi, language, library)2017-10-08PepeIborra, TimMatthews, moodmosaic
clr-marshal160.0Marshaling for the clr (.net, bsd3, clr, ffi, language, library)2017-08-05PepeIborra, TimMatthews, moodmosaic
clr-typed140.0A strongly typed Haskell interface to the CLR type system (.net, bsd3, clr, ffi, language, library)2017-08-05PepeIborra, TimMatthews
clr-win-linker50.0A GHC linker wrapper tool to workaround a GHC >8.2 bug (.net, bsd3, clr, ffi, language, program)2017-04-25PepeIborra, TimMatthews
cltw30.0Command line Twitter utility (bsd3, console, program, utils)2010-04-19DinoMorelli
clua70.0C to Lua data wrapper generator (bsd3, language, program)2012-04-04TomSchouten
cluss60.0simple alternative to type classes (bsd3, constraints, library, type-system)2014-10-14Kinokkory
cmake-syntax70.0Parser for the CMake syntax (CMakeLists.txt and .cmake files) (bsd3, language, library)2019-08-030xd34df00d
cmark2232.25Fast, accurate CommonMark (Markdown) parser and renderer (bsd3, library, text)2019-04-08JohnMacFarlane
cmark-gfm3050.0Fast, accurate GitHub Flavored Markdown parser and renderer (bsd3, library, text)2020-09-16kivikakk
cmark-highlight110.0Code highlighting for cmark (bsd3, library, text)2016-07-22Artyom
cmark-lucid80.0Use cmark with Lucid (bsd3, library, web)2016-07-22Artyom
cmark-patterns80.0Pattern synonyms for cmark (bsd3, library, parsing, text)2017-08-08Artyom
cmark-sections300.0Represent cmark-parsed Markdown as a tree of sections (bsd3, library, text)2018-08-19Artyom
cmath60.0A binding to the standard C math library (bsd3, library, math)2008-03-15DonaldStewart
cmathml370.0Data model, parser, serialiser and transformations for Content MathML 3 (bsd3, library, program, xml)2012-04-01AndrewMiller
cmdargs8702.0Command line argument processing (bsd3, console, library)2021-02-14NeilMitchell
cmdargs-browser190.0Helper to enter cmdargs command lines using a web browser (bsd3, console, program)2020-07-04NeilMitchell
cmdlib410.0a library for command line parsing & online help (bsd3, library, system)2015-05-28PetrRockai
cml120.0Events and Channels as in Concurrent ML (bsd3, concurrency, library)2009-10-05BenFranksen
cmonad130.0A library for C-like programming (bsd3, language, library)2009-03-29LennartAugustsson
cmph30.0low level interface to CMPH (bsd3, data, data-structures, library)2016-04-30MarkWotton
cmptype130.0Compare types of any kinds (bsd3, library, type)2019-08-11isovector
cmt270.0Write consistent git commit messages (bsd3, command-line-tools, library, program)2020-01-26smallhadroncollider
cnc-spec-compiler100.0Compiler/Translator for CnC Specification Files. (bsd3, compilers-interpreters, parallelism, program)2011-08-12RyanNewton
co-feldspar30.0Hardware software co-design Feldspar (bsd3, language, library)2021-06-15mararon
co-log-polysemy-formatting60.0A Polysemy logging effect for high quality (unstructured) logs. (bsd3, library, logging, program)2020-12-10AlexChapman
coalpit150.0Command-line options and DSV parsing and printing (bsd3, console, library)2019-04-14defanor
cobot920.0Computational biology toolkit to collaborate with researchers in constructive protein engineering (bio, bsd3, library)2021-10-07zmactep, ozzzzz, maksbotan, morozovvp
cobot-io1352.0Biological data file formats and IO (bio, bsd3, library)2021-06-07zmactep, ozzzzz, maksbotan, morozovvp
cobot-tools170.0Biological data file formats and IO (bio, bsd3, library)2019-12-31ozzzzz
code-builder150.0Simple system for generating code. (bsd3, data, library)2014-05-26AdamBergmark, ErikHesselink
code-conjure590.0synthesize Haskell functions out of partial definitions (bsd3, haskell, library)2021-09-20rudymatela
code-page6762.0Windows code page library for Haskell (bsd3, library, system)2021-02-06ryanglscott
codec202.0Simple bidirectional serialization (bsd3, data, library)2017-04-21PatrickChilton
codec-beam170.0Erlang VM byte code assembler (bsd3, codec, language, library)2018-07-06hkgumbs
codec-libevent (deprecated)190.0Cross-platform structure serialisation (bsd3, data, deprecated, library, parsing, program)2008-01-27AdamLangley
codec-mbox120.0A library to read and write mailboxes in mbox format (bsd3, codec, library)2013-06-01NicolasPouillard
codecov-haskell181.25Codecov.io support for Haskell. (bsd3, control, library, program)2017-06-17killy971
codemonitor90.0Tool that automatically runs arbitrary commands when files change on disk. (bsd3, program, tool)2012-06-08RickardLindberg
codepad72.0Submit and retrieve paste output from CodePad.org. (bsd3, library, web)2010-10-01ChrisDone, TheKing
codo-notation90.0A notation for comonads, analogous to the do-notation for monads. (bsd3, language, library)2012-11-22DominicOrchard
coerce-role50.0Having trouble deriving instances because of type roles? Solve it here! (bsd3, library, roles)2019-03-29parsonsmatt
coercible-subtypes130.0Coercible but only in one direction (bsd3, data, library)2021-09-13viercc
coercible-utils100.0Utility functions for Coercible types (bsd3, control, library)2019-09-10sjakobi, chessai, koz_ross
coercion-extras80.0Extra utilities for manipulating nominal and representational coercions (bsd3, data, library)2019-08-05mniip
coformat80.0Generate clang-format config based on some existing code base (bsd3, language, library, program)2019-12-300xd34df00d
cofunctor (deprecated in favor of contravariant)80.0DEPRECATED: use the "contravariant" package (bsd3, data, deprecated, library)2011-09-20BrandonSimmons
coincident-root-loci102.0Equivariant CSM classes of coincident root loci (bsd3, library, math)2021-07-26BalazsKomuves
cointracking-imports222.0Generate CSV & XLSX files for importing into CoinTracking. (bsd3, finance, library, web)2021-08-10lysergia
colada550.0Colada implements incremental word class class induction using online LDA (bsd3, library, natural-language-processing, program)2015-03-02GrzegorzChrupala
colchis200.0Rudimentary JSON-RPC 2.0 client over raw TCP. (bsd3, library, network)2014-11-20DanielDiazCarrete
cold-widow101.5File transfer via QR Codes. (bsd3, library, program, utility)2016-10-31mihaigiurgeanu
collada-output180.0Generate animated 3d objects in COLLADA (bsd3, graphics, library, program)2011-07-25AndyGill, TillmannVogt
collada-types160.0Data exchange between graphics applications (bsd3, graphics, library)2019-10-11AndyGill, TillmannVogt
collapse-util90.0utility for collapsing adjacent writes (bsd3, concurrency, program)2014-06-27MarkWotton
collect-errors220.0Error monad with a Float instance (bsd3, library, math)2021-05-18MichalKonecny
collections140.0Useful standard collections types and related functions. (bsd3, data-structures, library)2011-07-30JeanPhilippeBernardy, JohannesWaldmann
collections-api90.0API for collection data structures. (bsd3, data-structures, library)2010-08-25JeanPhilippeBernardy
collections-base-instances50.0Useful standard collections types and related functions. (bsd3, data-structures, library)2010-08-25JeanPhilippeBernardy
colonnade1232.25Generic types and functions for columnar encoding and decoding (bsd3, library, web)2019-05-19andrewthad, chessai
colorize-haskell120.0Highligt Haskell source (bsd3, development, library, program)2010-07-24IavorDiatchki
colorless1160.0Colorless | The Programmatic IDL (bsd3, library, web)2017-10-17jxv
colorless-http-client200.0Http Client addon for Colorless (bsd3, library, web)2017-10-10jxv
colorless-scotty120.0Scotty server add-on for Colorless (bsd3, library, web)2017-10-11jxv
colors290.0A type for colors (bsd3, data, library)2015-02-23FumiakiKinoshita
colour-accelerate220.0Working with colours in Accelerate (accelerate, bsd3, data, graphics, library)2020-08-28TrevorMcDonell
coltrane80.0A jazzy, minimal web framework for Haskell, inspired by Sinatra. (bsd3, library, web)2013-12-25wellecks
columbia240.0Enhanced serialization using seeking. (bsd3, library, serialization)2017-11-29JamesCandy
columnar80.0A CSV toolkit based on cassava and enum-text (bsd3, csv, library, text, web)2019-07-28ChrisDornan
com180.0Haskell COM support library (bsd3, ffi)2012-09-14KidoTakahiro, SigbjornFinne
comark80.0Commonmark processing in pure haskell. (bsd3, library, program, text)2017-09-21zudov
comark-html80.0Commonmark (markdown) to HTML renderer. (bsd3, library, text)2017-09-21zudov
comark-parser80.0Parser for Commonmark (markdown) (bsd3, library, text)2017-09-21zudov
comark-syntax60.0Definitions of AST that represents a Commonmark (markdown) document. (bsd3, library, text)2017-09-21zudov
combinat1262.0Generate and manipulate various combinatorial objects. (bsd3, library, math)2021-04-25BalazsKomuves
combinat-compat60.0Generate and manipulate various combinatorial objects. (bsd3, library, math)2018-04-03vmchale
combinat-diagrams70.0Graphical representations for various combinatorial objects (bsd3, library, math)2015-10-30BalazsKomuves
combinator-interactive190.0SKI Combinator interpreter (bsd3, language, library, program)2013-09-07FumiakiKinoshita
combinatorial220.0Count, enumerate, rank and unrank combinatorial objects (bsd3, library, math, statistics)2018-08-31HenningThielemann
combinatorics (deprecated in favor of exact-combinatorics)70.0Efficient computation of common combinatoric functions. (bsd3, deprecated, library, math, statistics)2012-01-29WrenThornton
combobuffer100.0Various buffer implementations (bsd3, data, library)2014-05-19JohnLato
comfort-array482.0Arrays where the index type is a function of the shape type (bsd3, data-structures, library)2021-08-07HenningThielemann
comfort-array-shape20.0Additional shape types for the comfort-array package (bsd3, data-structures, library)2021-08-05HenningThielemann
comfort-fftw30.0High-level interface to FFTW (Fast Fourier Transform) based on comfort-array (bsd3, library, math)2021-08-05HenningThielemann
comfort-graph370.0Graph structure with type parameters for nodes and edges (bsd3, data, library)2018-08-31HenningThielemann
comic80.0A format for describing comics. (bsd3, data, library)2019-04-30davean
command (deprecated in favor of shake)1630.0Conveniently run shell commands (bsd3, deprecated, library, system)2014-09-02NiklasHambuechen
commander40.0pattern matching against string based commands (bsd3, library, program, text)2016-03-11jsdw
commodities140.0Library for working with commoditized amounts and price histories (bsd3, finance, library)2017-01-23JohnWiegley
commonmark6502.0Pure Haskell commonmark parser. (bsd3, library, text)2021-10-23JohnMacFarlane, zudov
commonmark-cli130.0Command-line commonmark converter and highlighter. (bsd3, program, text)2021-05-28JohnMacFarlane
commonmark-extensions6100.0Pure Haskell commonmark parser. (bsd3, library, text)2021-10-23JohnMacFarlane
commonmark-pandoc5820.0Bridge between commonmark and pandoc AST. (bsd3, library, text)2021-06-28JohnMacFarlane
commsec460.0Provide communications security using symmetric ephemeral keys (bsd3, cryptography, library)2014-01-08ThomasDuBuisson
commsec-keyexchange410.0Key agreement for commsec. (bsd3, library, network)2014-01-09ThomasDuBuisson
commutative310.0Commutative binary operations. (bsd3, data, library)2018-11-20athanclark
comonad15842.5Comonads (bsd3, comonads, control, library)2020-12-30EdwardKmett, EricMertens, ryanglscott
comonad-extras1230.0Exotic comonad transformers (bsd3, comonads, control, library)2020-02-21EdwardKmett
comonad-transformers (deprecated in favor of comonad)2760.0This package has been merged into comonad 4.0 (bsd3, comonads, control, deprecated, library)2013-10-13EdwardKmett
comonads-fd (deprecated in favor of comonad)1950.0This package has been merged into comonad 4.0 (bsd3, comonads, control, deprecated, library)2013-10-13EdwardKmett
compact1512.0Non-GC'd, contiguous storage for immutable data structures (bsd3, data, library)2020-04-13BenGamari, EdwardYang
compact-list60.0An append only list in a compact region (bsd3, data, library)2018-09-06harendra
compact-map80.0Compact Data.Map implementation using Data.Binary (bsd3, data, library)2008-11-09DavidHimmelstrup
compact-mutable70.0Mutable arrays living on the compact heap (bsd3, library, web)2017-06-26andrewthad
compact-mutable-vector50.0Mutable vector with different GC characteristics (bsd3, data, library)2019-02-26rightfold
compact-sequences122.0Stacks, queues, and deques with compact representations. (bsd3, data, library)2020-09-01dfeuer
compact-socket80.0Socket functions for compact normal form. (bsd3, library, network)2015-08-28EdwardYang
compact-string (deprecated in favor of text)70.0Fast, packed and strict strings with Unicode support, based on bytestrings. (bsd3, data, deprecated, library)2008-11-27TwanVanLaarhoven
compact-string-fix110.0Same as compact-string except with a small fix so it builds on ghc-6.12 (bsd3, data, library)2011-08-19TonyHannan
compact-word-vectors460.0Small vectors of small integers stored very compactly. (bsd3, data, library)2021-04-25BalazsKomuves
compactable662.25A typeclass for structures which can be catMaybed, filtered, and partitioned. (bsd3, control, library)2021-07-17fresheyeball
compactmap260.0A read-only memory-efficient key-value store. (bsd3, data, library)2017-07-28SimonMarechal
compare-type60.0compare types of any kinds in haskell (bsd3, dependent-types, library)2015-01-10Kinokkory
compdata1040.0Compositional Data Types (bsd3, generics, library)2021-01-31PatrickBahr
compdata-automata160.0Tree automata on Compositional Data Types (bsd3, generics, library)2018-09-25PatrickBahr
compdata-dags130.0Compositional Data Types on DAGs (bsd3, generics, library)2018-09-25PatrickBahr
compdata-fixplate110.0Compdata basics implemented on top of Fixplate (bsd3, generics, library)2018-11-01EmilAxelsson
compdata-param170.0Parametric Compositional Data Types (bsd3, generics, library)2018-09-25PatrickBahr
compdoc-dhall-decoder80.0Allows you to write FromDhall instances for Compdoc (bsd3, composite, dhall, library, pandoc)2021-07-26locallycompact
compensated862.0Compensated floating-point arithmetic (bsd3, library, numeric)2021-02-21EdwardKmett, EricMertens, ryanglscott
complex-generic100.0complex numbers with non-mandatory RealFloat (bsd3, library, math)2017-04-03ClaudeHeilandAllen
complexity280.0Empirical algorithmic complexity (bsd3, library, testing)2009-05-28RoelVanDijk
composable-associations60.0Types and helpers for composing types into a single larger key-value type. (bsd3, library, web)2017-07-24smprts
composable-associations-aeson120.0Aeson ToJSON/FromJSON implementation for the types of composable-associations (bsd3, library, web)2021-03-15smprts
compose-trans140.0Composable monad transformers (bsd3, library, monads)2011-11-05MiguelMitrofanov
composite-aeson870.0JSON for Vinyl records (bsd3, library, records)2021-04-14dridus, asariley, dfithian
composite-aeson-path120.0Formatting data for the path library. (bsd3, library, records)2021-04-14dridus, asariley, dfithian
composite-aeson-refined680.0composite-aeson support for Refined from the refined package (bsd3, library, records)2021-04-14dridus, asariley, dfithian
composite-base1280.0Shared utilities for composite-* packages. (bsd3, library, records)2021-04-14dridus, asariley, dfithian
composite-binary140.0Orphan binary instances. (bsd3, library, records)2021-04-14dridus, asariley, dfithian
composite-ekg1060.0EKG Metrics for Vinyl records (bsd3, library, records)2021-04-14dridus, asariley, dfithian
composite-hashable110.0Orphan hashable instances. (bsd3, library, records)2021-04-14dridus, asariley, dfithian
composite-opaleye1030.0Opaleye SQL for Vinyl records (bsd3, library, records)2021-04-14dridus, asariley, dfithian
composite-swagger610.0Swagger for Vinyl records (bsd3, library, records)2021-04-14dridus, asariley, dfithian
composition1140.0Combinators for unorthodox function composition (bsd3, data, library)2021-04-04DanBurton
composition-extra500.0Combinators for unorthodox structure composition (bsd3, data, library)2015-09-17athanclark
composition-prelude7562.0Higher-order function combinators (bsd3, control, data, library)2020-11-10vmchale
composition-tree320.0Composition trees for arbitrary monoids. (bsd3, data, library)2018-05-07LiamOConnorDavis
compositional-data (deprecated)131.25Compositional Data Types (bsd3, data, deprecated, library)2018-12-27
comprehensions-ghc90.0Plugin to generalize comprehensions (bsd3, library, unclassified)2019-04-09
compressed632.0Compressed containers and reducers (bsd3, compression, data, library, mapreduce)2018-01-08EdwardKmett
compstrat120.0Strategy combinators for compositional data types (bsd3, generics, language, library)2015-03-24JamesKoppel
comptrans170.0Automatically converting ASTs into compositional data types (bsd3, data, generics, library)2015-04-01JamesKoppel
computational-algebra752.25Well-kinded computational algebra library, currently supporting Groebner basis. (bsd3, library, math)2017-12-07HiromiIshii
computational-geometry160.0Collection of algorithms in Computational Geometry. (bsd3, graphics, library, math)2017-10-13MaksymilianOwsianny
computations80.0Advanced notions of computation (bsd3, control, library)2015-05-03WolfgangJeltsch
concatenative290.0A library for postfix control flow. (bsd3, control, library)2010-07-02SamAnklesaria
conceit340.0Concurrent actions that may fail with a value. (bsd3, concurrency, library)2021-07-28DanielDiazCarrete
concise2040.0Utilities for Control.Lens.Cons (bsd3, data, lenses, library)2018-02-04frasertweedale
concorde60.0Simple interface to the Concorde solver for the Traveling Salesperson Problem (algorithms, bsd3, library)2011-10-21KeeganMcAllister
concraft1240.0Morphological disambiguation based on constrained CRFs (bsd3, library, natural-language-processing)2018-10-30JakubWaszczuk
concraft-hr100.0Part-of-speech tagger for Croatian (bsd3, library, natural-language-processing, program)2014-12-19vjeranc
concraft-pl820.0Morphological tagger for Polish (bsd3, library, natural-language-processing, program)2018-10-30JakubWaszczuk
concrete-typerep100.0Binary and Hashable instances for TypeRep (bsd3, data, library)2013-01-08ReinerPope
concur-core100.0A client side web UI framework for Haskell. Core framework. (bsd3, library, web)2018-08-02AnupamJain
concurrent-barrier120.0Simple thread barriers (bsd3, concurrency, library)2011-03-14JeremyFitzhardinge
concurrent-batch70.0Concurrent batching queue based on STM with timeout. (bsd3, data, library)2018-07-28HarpoRoeder
concurrent-dns-cache280.0Concurrent DNS cache (bsd3, library, network, program)2019-08-15KazuYamamoto
concurrent-extra2400.0Extra concurrency primitives (bsd3, concurrency, library)2018-03-14BasVanDijk, RoelVanDijk
concurrent-hashtable482.0Thread-safe hash tables for multi-cores! (bsd3, concurrency, library)2019-10-28PeterRobinson
concurrent-machines570.0Concurrent networked stream transducers (bsd3, concurrency, control, library)2021-04-02AnthonyCowley
concurrent-resource-map90.0Concurrent resource map (bsd3, data, library)2020-03-18MateuszKowalczyk
concurrent-sa100.0Concurrent simulated annealing system. (algorithms, bsd3, concurrency, library)2010-04-07LouisWasserman
concurrent-split290.0MVars and Channels with distinguished input and output side (bsd3, concurrent, library)2018-10-22HenningThielemann
concurrent-st80.0Concurrent Haskell in ST (bsd3, library, software)2017-10-09andrewthad
concurrent-supply1672.0A fast concurrent unique identifier supply with a pure API (bsd3, concurrency, library, parallelism)2016-01-17EdwardKmett
concurrent-utilities200.0More utilities and broad-used datastructures for concurrency. (bsd3, concurrency, library)2018-05-03sebaslafleur, LeonSchoorl
concurrentoutput (deprecated in favor of concurrent-output)150.0Ungarble output from several threads (bsd3, deprecated, library, user-interfaces)2011-06-08JoachimBreitner
cond680.0Basic conditional and boolean operators with monadic variants. (bsd3, control, library, logic, monad)2014-11-23AdamCurtis
condor (deprecated)20.0Information retrieval library (bsd3, deprecated, library, program, search, text)2014-01-20klangner
condorcet70.0Library for Condorcet voting (bsd3, data, library)2008-02-26GwernBranwen
conduino240.0Lightweight composable continuation-based stream processors (bsd3, control, library)2020-01-08jle
conduit-audio270.0Combinators to efficiently slice and dice audio streams (bsd3, library, sound)2017-09-02mtolly
conduit-audio-lame250.0conduit-audio interface to the LAME MP3 library (bsd3, library, sound)2017-09-02mtolly
conduit-audio-samplerate190.0conduit-audio interface to the libsamplerate resampling library (bsd3, library, sound)2017-09-02mtolly
conduit-audio-sndfile220.0conduit-audio interface to the libsndfile audio file library (bsd3, library, sound)2020-01-16mtolly
conduit-connection260.0Conduit source and sink for Network.Connection. (bsd3, conduit, library, network)2019-06-10slomo
conduit-iconv200.0Conduit for character encoding conversion. (bsd3, conduit, library, text)2018-02-07slomo
conduit-merge230.0Merge multiple sorted conduits (bsd3, conduit, library)2019-05-27cblp
conduit-network-stream90.0A base layer for network protocols using Conduits (bsd3, library, network)2013-02-26NilsSchweinsberg
conduit-resumablesink160.0Allows conduit to resume sinks to feed multiple sources into it. (bsd3, conduit, data, library)2017-11-01AndrewMiller
conduit-throttle280.0Throttle Conduit Producers (bsd3, data, library)2017-12-21mtesseract
conduit-tokenize-attoparsec (deprecated)70.0Conduits for tokenizing streams. (bsd3, conduit, data, deprecated, library, program)2016-01-31newhoggy, haskellworks
conduit-vfs190.0Virtual file system for Conduit; disk, pure, and in-memory impls. (bsd3, conduit, filesystem, io, library)2019-06-12RobertFischer
conduit-vfs-zip110.0Zip archive interface for the Conduit Virtual File System. (bsd3, compression, conduit, filesystem, io, library, zip)2019-06-12RobertFischer
conf102.0Parser for Haskell-based configuration files. (bsd3, configuration, library, parsing)2015-07-17carymrobbins
conferer-provider-dhall (deprecated in favor of conferer-source-dhall)80.0Configuration for reading dhall files (bsd3, configuration, deprecated, library)2020-03-11ludat
conferer-provider-json (deprecated in favor of conferer-source-json)180.0conferer's provider for reading json files (bsd3, configuration, deprecated, library)2020-03-11ludat
conferer-provider-yaml (deprecated in favor of conferer-source-yaml)70.0Configuration for reading yaml files (bsd3, configuration, deprecated, library)2020-03-11ludat
confide150.0derive typeclass instances for decoding types from HOCON conf (bsd3, data, library)2018-03-08amilkov
config-ini2630.0A library for simple INI-based configuration files. (bsd3, configuration, library)2018-11-14gdritter
configuration110.0Simple data type for application configuration. (bsd3, data, library)2012-12-07HiromiIshii
configurator961.75Configuration management (bsd3, configuration, data, library)2014-07-02BryanOSullivan
configurator-export100.0Pretty printer and exporter for configurations from the "configurator" library. (bsd3, configuration, data, library)2016-05-08jle
configurator-ng111.25The next generation of configuration management (bsd3, configuration, data, library)2016-10-31LeonSmith
configurator-pg1001.75Reduced parser for configurator-ng config files (bsd3, configuration, data, library)2020-10-26vollmert
confsolve610.0A command line tool for resolving conflicts of file synchronizers. (bsd3, program, utils)2017-07-31DanielTrstenjak
conic-graphs40.0Vinyl-style extensible graphs. (bsd3, graphs, library, vinyl)2021-09-08locallycompact
conjugateGradient230.0Sparse matrix linear-equation solver (bsd3, library, math)2013-04-20LeventErkok
conjure82.0A BitTorrent client (bsd3, library, network, program)2008-03-09GwernBranwen
connection8860.0Simple and easy network connections API (bsd3, library, network)2019-09-02VincentHanquez
connection-pool400.0Connection pool built on top of resource-pool and streaming-commons. (bsd3, data, library, network)2018-03-03PeterTrsko
connection-string110.0A library for parsing connection strings. (bsd3, library, text)2018-05-23GeorgePollard
connections350.0Orders, Galois connections, and lattices. (bsd3, library, math, numerical, program)2021-09-16cmk
console-program892.0Interpret the command line and a config file as commands and options (bsd3, console, library, system)2019-03-23AriePeterson
const-math-ghc-plugin170.0Compiler plugin for constant math elimination (bsd3, compiler-plugin, library)2012-10-19ConradParker
constaparser110.0Parse ByteStrings of a prescribed length. (bsd3, data, library)2018-06-22chessai
constr-eq30.0Equality by only Constructor (bsd3, generics, library)2019-09-05kelemzol
constrained-category30.0Constrained Categories (bsd3, library, unclassified)2018-12-30
constrained-normal200.0Normalised Deep Embeddings for Constrained Type-Class Instances (bsd3, control, library)2014-06-09NeilSculthorpe
constraint (deprecated)300.0Reified constraints (bsd3, constraint, deprecated, library)2019-11-18
constraint-classes230.0Various typeclasses using ConstraintKinds (bsd3, library, unclassified)2016-12-27guaraqe
constraint-reflection (deprecated)60.0Constraint reflection (bsd3, deprecated, library, unclassified)2018-05-08
constraint-tuples160.0Partially applicable constraint tuples (bsd3, data, library)2019-11-24ryanglscott
constraints-deriving590.0Manipulating constraints and deriving class instances programmatically. (bsd3, constraints, library)2021-03-24achirkin
constraints-extras7472.0Utility package for constraints (bsd3, constraints, library)2021-03-24CaleGibbard, abrar, 3noch
construct310.0Haskell version of the Construct library for easy specification of file formats (bsd3, data, library, parsing, serialization)2021-03-24MarioBlazevic
constructible110.0Exact computation with constructible real numbers (bsd3, library, math)2020-02-09AndersKaseorg
constructive-algebra450.0A library of constructive algebra. (algebra, bsd3, library, math)2011-03-31AndersMortberg
consul-haskell330.0A consul client for Haskell (bsd3, library, network)2020-01-18NiklasHambuechen, sseveran, ketzacoatl
consumers4100.0Concurrent PostgreSQL data consumers (bsd3, concurrency, database, library)2021-10-22MikhailGlushenkov, arybczak, jonathanjouty_scrive, trin_cz, jsynacek
container-builder70.0Functions for building containers from a known number of elements (bsd3, library, web)2016-05-19andrewthad
container-classes (deprecated)90.0Generic classes for interacting with different container types (bsd3, data-structures, deprecated, library)2010-07-18IvanMiljenovic
containers14262.75Assorted concrete container types (bsd3, data-structures, library)2021-06-28WrenThornton, dfeuer, WrenRomano, MattRenaud
containers-accelerate120.0Hashing-based container types (accelerate, bsd3, data, library)2020-08-28TrevorMcDonell
containers-benchmark150.0Extensive benchmark suite for containers package. (benchmarking, bsd3, program)2011-11-28MilanStraka
containers-deepseq (deprecated in favor of containers)100.0Provide orphan NFData instances for containers as needed. (deprecated) (bsd3, data, deprecated, library)2012-01-19MichaelSnoyman
containers-good-graph30.0Data.Graph, but it doesn't suck! (bsd3, data-structures, library)2021-06-03isovector
containers-unicode-symbols710.0Unicode alternatives for common functions and operators (bsd3, library, unclassified)2021-06-07RoelVanDijk
context-free-art200.0Generate art from context-free grammars (bsd3, graphics, library, program)2019-10-29414owen
context-free-grammar140.0Basic algorithms on context-free grammars (bsd3, language, library)2021-05-29nedervold
contiguous4180.0Unified interface for primitive arrays (array, bsd3, data, library, primitive)2021-09-07andrewthad, chessai
contiguous-checked90.0contiguous with bounds checks (bsd3, data, library)2019-01-02andrewthad
contiguous-fft190.0dft of contiguous memory structures (bsd3, data, library)2019-02-16chessai
continue120.0Monads with suspension and arbitrary-spot reentry (bsd3, control, library)2013-04-21ErtugrulSoeylemez, esz
continued-fraction512.0Types and functions for working with continued fractions in Haskell (bsd3, library, math)2018-08-18vmchale
contracheck-applicative131.75Validation types/typeclass based on the contravariance. (bsd3, library, validation)2020-10-07Birkmann
contravariant18972.5Contravariant functors (bsd3, control, data, library)2021-07-27EdwardKmett, EricMertens, ryanglscott
control (deprecated)190.0Class of monad transformers which control operations can be lifted thru (bsd3, control, deprecated, library)2018-08-19
control-bool210.0Useful combinators for boolean expressions (bsd3, control, library)2013-12-08FumiakiKinoshita
control-dotdotdot100.0Haskell operator `g ... f = \x1 .. xn -> g (f x1 .. xn)`. (bsd3, control, library)2018-01-21erisco
control-dsl321.75An alternative to monads in do-notation (bsd3, control, dsl, effect, general, io, language, library, mutable-state, polymorphism)2018-10-18yangbo
control-event510.0Event scheduling system. (bsd3, control, library)2019-05-17ThomasDuBuisson
control-iso160.0A typeclass for type isomorphisms (bsd3, control, library)2019-02-04fresheyeball
control-monad-attempt (deprecated)190.0Monad transformer for attempt. (deprecated) (bsd3, data, deprecated, failure, library)2012-01-19MichaelSnoyman, NicolasPouillard
control-monad-loop290.0Simple monad transformer for imperative-style loops (bsd3, control, library)2012-07-08JoeyAdams
control-monad-queue310.0Reusable corecursive queues, via continuations. (bsd3, control, library)2015-12-19LeonSmith
control-timeout (deprecated)170.0Timeout handling (bsd3, control, deprecated, library)2008-02-01AdamLangley
contstuff (deprecated)1030.0Fast, easy to use CPS-based monad transformers (bsd3, control, deprecated, library, monads)2011-05-19ErtugrulSoeylemez, esz
contstuff-monads-tf (deprecated)170.0ContStuff instances for monads-tf transformers (deprecated) (bsd3, control, deprecated, library, monads)2010-11-24ErtugrulSoeylemez, esz
contstuff-transformers (deprecated)100.0Deprecated interface between contstuff 0.7.0 and the transformers package (bsd3, control, deprecated, library, monads)2010-12-27ErtugrulSoeylemez, esz
convertible1132.0Typeclasses and instances for converting between types (bsd3, data, library)2015-04-20ErikHesselink, JohnGoerzen, NicolasWu, rsoeldner
convertible-text (deprecated)830.0Typeclasses and instances for converting between types (deprecated) (bsd3, data, deprecated, failure)2012-01-19MichaelSnoyman
cookbook1350.0Tiered general-purpose libraries with domain-specific applications. (bsd3, development, library)2016-03-15NatePisarski
cookies70.0web cookies (bsd3, library, web)2018-06-13chessai
coordinate1050.0A representation of latitude and longitude (bsd3, development, library)2018-04-06TonyMorris
copilot1442.0A stream DSL for writing embedded C programs. (bsd3, embedded, language, library)2021-09-07IvanPerez, LeePike, agoodloe, frankdedden
copilot-c99940.0A compiler for Copilot targeting C99. (bsd3, embedded, language, library)2021-09-07IvanPerez, LeePike, agoodloe, frankdedden
copilot-cbmc410.0Copilot interface to a C model-checker. (bsd3, embedded, language, library)2017-07-12IvanPerez, LeePike, agoodloe, frankdedden
copilot-core900.0An intermediate representation for Copilot. (bsd3, embedded, language, library)2021-09-07IvanPerez, LeePike, agoodloe, frankdedden
copilot-language940.0A Haskell-embedded DSL for monitoring hard real-time distributed systems. (bsd3, embedded, language, library)2021-09-07IvanPerez, LeePike, agoodloe, frankdedden
copilot-libraries780.0Libraries for the Copilot language. (bsd3, embedded, language, library)2021-09-07IvanPerez, LeePike, agoodloe, frankdedden
copilot-sbv370.0A compiler for CoPilot targeting SBV. (bsd3, embedded, language, library)2017-07-12IvanPerez, LeePike, agoodloe, frankdedden
copilot-theorem350.0k-induction for Copilot. (bsd3, embedded, language, library)2021-09-07IvanPerez, LeePike, agoodloe, frankdedden
copr70.0Haskell interface to the Fedora Copr system (bsd3, fedora, library, web)2014-04-10RickyElrod
coquina30.0Yet another shell monad. (bsd3, library, program, shell)2020-12-30abrar
core130.0External core parser and pretty printer. (bsd3, language, library)2009-04-08DavidHimmelstrup
core-data3010.0Convenience wrappers around common data structures and encodings (bsd3, library, mit, system)2021-10-23AndrewCowie
core-haskell260.0A subset of Haskell using in UCC for teaching purpose (bsd3, compilers-interpreters, language, program)2014-03-13happlebao
core-program6580.0Opinionated Haskell Interoperability (bsd3, library, mit, system)2021-10-23AndrewCowie
core-text3590.0A rope type based on a finger tree over UTF-8 fragments (bsd3, library, mit, system)2021-10-21AndrewCowie
corebot-bliki190.0A bliki written using yesod. Uses pandoc to process files stored in git. (bsd3, library, program, yesod)2012-02-05CoreyOConnor
corecursive-main70.0Write your main like it can call itself back. (bsd3, control, library, program)2018-08-19LucasDiCioccio
corenlp-parser240.0Launches CoreNLP and parses the JSON output (bsd3, library, natural-language-processing)2018-03-27k_bx
coroutine-object240.0Object-oriented programming realization using coroutine (bsd3, control, library)2016-02-05IanWooKim
couchdb-conduit1630.0Couch DB client library using http-conduit and aeson (bsd3, conduit, database, library)2012-11-02AlexanderDorofeev
couchdb-enumerator440.0Couch DB client library using http-enumerator and aeson (bsd3, database, library, web)2012-03-13JohnLenz
count70.0Bijective mappings between values and possibly infinite prefixes of [0..] (bsd3, data, library)2014-06-10Maxdamantus
countable180.0Countable, Searchable, Finite, Empty classes (bsd3, data, library)2016-06-22AshleyYakeley
country1110.0Country data type and functions (bsd3, library, web)2020-07-12andrewthad, chessai
country-codes300.0ISO 3166 country codes and i18n names. (bsd3, data, library)2019-02-12FelipeLessa, JeanPhilippeMoresmau
court80.0Simple and flexible CI system (bsd3, development, program)2015-11-27thoferon
coya70.0Coya monoids (bsd3, data, library, math)2020-07-09chessai
cparsing80.0A simple C++ parser with preprocessor features. C++ refactorings included. (bsd3, language, library)2017-11-16lazac
cpkg1530.0Build tool for C (bsd3, c, dhall, library, package-management, packaging, program)2020-09-28vmchale
cplex-hs202.0high-level CPLEX interface (bsd3, library, math)2016-11-05stefanjhlk
cplusplus-th62.0C++ Foreign Import Generation (bsd3, foreign, library)2014-10-15MaxwellSwadling
cppfilt70.0Bindings for C++ demangling routines (bsd3, library, system)2018-05-090xd34df00d
cprng-aes (deprecated in favor of cryptonite)2910.0Crypto Pseudo Random Number Generator using AES in counter mode. (bsd3, cryptography, deprecated, library)2014-11-13VincentHanquez
cps-except120.0ExceptT replacement in CPS style (bsd3, library, mtl, transformers)2021-03-29KristofBastiaensen
cpsa1792.0Symbolic cryptographic protocol analyzer (bsd3, cryptography, program)2021-06-10JohnRamsdell, mliskov
cpu742.0Cpu information and properties helpers. (bsd3, data, library)2013-11-12VincentHanquez
cpuperf100.0Modify the cpu frequency on OpenBSD systems (bsd3, program, system)2008-06-16DonaldStewart
crackNum1850.0Crack various integer and floating-point data formats (bsd3, program, tools)2021-06-30LeventErkok
crawlchain280.0Simulation user crawl paths (bsd3, library, web)2018-05-26axm
crc16150.0Calculate the crc16-ccitt. (bsd3, cryptography, library)2011-01-16JorisPutcuyps
crc16-table80.0Compute CRC16 checksums using a lookup table. (bsd3, library, text)2010-09-21KeeganMcAllister
crc32c90.0Haskell bindings for crc32c (bsd3, ffi, library, raw)2019-04-12leptonyu
crdt642.25Conflict-free replicated data types (bsd3, distributed-systems, library)2021-01-30cblp
creatur2630.0Framework for artificial life experiments. (ai, bsd3, library)2021-08-18AmyDeBuitleir
crf-chain1170.0First-order, linear-chain conditional random fields (bsd3, library, math)2019-11-30JakubWaszczuk
crf-chain1-constrained450.0First-order, constrained, linear-chain conditional random fields (bsd3, library, math)2018-10-30JakubWaszczuk
crf-chain2-generic110.0Second-order, generic, constrained, linear conditional random fields (bsd3, library, math)2013-01-09JakubWaszczuk
crf-chain2-tiers540.0Second-order, tiered, constrained, linear conditional random fields (bsd3, library, natural-language-processing)2018-10-30JakubWaszczuk
critbit400.0Crit-bit maps and sets (bsd3, data, library)2014-07-04BryanOSullivan
criterion19912.75Robust, reliable performance measurement and analysis (benchmarking, bsd3, development, library, performance, program, testing)2021-10-09BryanOSullivan, RyanNewton, ryanglscott
criterion-cmp50.0A simple tool for comparing in Criterion benchmark results (bsd3, development, program)2021-02-14phadej
criterion-compare70.0A simple tool for visualising differences in Criterion benchmark results (bsd3, development, program)2019-07-29BenGamari, AndreasK
criterion-measurement7700.0Criterion measurement functionality and associated types (benchmarking, bsd3, development, library, performance, testing)2021-07-04ryanglscott
criterion-to-html120.0Convert criterion output to HTML reports (bsd3, development, program)2012-06-27JasperVanDerJeugt
crjdt-haskell190.0A Conflict-Free Replicated JSON Datatype for Haskell (bsd3, data, library)2017-05-28amarpotghan
crockford100.0An implementation of Douglas Crockford's base32 encoding. (bsd3, codec, library)2009-12-20HenryBucklow
cruncher-types (deprecated)220.0Request and Response types for Eval.so's API (bsd3, deprecated, eval.so, library)2014-04-10RickyElrod
crypt-sha51280.0Pure Haskell implelementation for GNU SHA512 crypt algorithm (bsd3, data, library)2017-07-02phadej
crypto-api6112.0A generic interface for cryptographic operations (bsd3, cryptography, data, library)2018-01-05ThomasDuBuisson
crypto-api-tests380.0A test framework and KATs for cryptographic operations. (bsd3, cryptography, data, library)2014-01-08ThomasDuBuisson
crypto-cipher-benchmarks160.0Generic cryptography cipher benchmarks (bsd3, cryptography, library)2013-10-08VincentHanquez
crypto-cipher-tests600.0Generic cryptography cipher tests (bsd3, cryptography, library)2013-10-24VincentHanquez
crypto-cipher-types2610.0Generic cryptography cipher types (bsd3, cryptography, library)2013-10-25VincentHanquez
crypto-classical220.0An educational tool for studying classical cryptography schemes. (bsd3, cryptography, library)2020-04-20fosskers
crypto-conduit1110.0Conduit interface for cryptographic operations (from crypto-api). (bsd3, conduit, cryptography, library)2014-11-12FelipeLessa, MichaelSnoyman
crypto-enigma1082.0An Enigma machine simulator with display. (bsd3, cryptography, education, library, program)2019-10-09Orome
crypto-multihash230.0Multihash library on top of cryptonite crypto library (bsd3, cryptography, library, program)2016-08-27mseri
crypto-numbers1170.0Cryptographic numbers: functions and algorithms (bsd3, cryptography, library)2014-12-31VincentHanquez
crypto-pubkey (deprecated in favor of cryptonite)1100.0Public Key cryptography (bsd3, cryptography, deprecated, library)2015-01-16VincentHanquez
crypto-pubkey-types3850.0Generic cryptography Public keys algorithm types (bsd3, cryptography, library)2015-01-10VincentHanquez
crypto-random (deprecated in favor of cryptonite)2550.0Simple cryptographic random related types (bsd3, cryptography, deprecated, library)2015-03-18VincentHanquez
crypto-random-api (deprecated in favor of crypto-random)300.0Simple random generators API for cryptography related code (bsd3, cryptography, deprecated, library)2013-01-03VincentHanquez
crypto-rng510.0Cryptographic random number generator. (bsd3, crypto, library)2020-05-05MikhailGlushenkov, arybczak, jonathanjouty_scrive, trin_cz
crypto-token250.0crypto tokens (bsd3, cryptography, library, network)2021-01-09KazuYamamoto
crypto-totp90.0Provides generation and verification services for time-based one-time keys. (bsd3, cryptography, library)2013-08-11JeffShaw
cryptocipher1870.0Symmetrical block and stream ciphers. (bsd3, cryptography, library)2013-10-25VincentHanquez
cryptoconditions250.0Interledger Crypto-Conditions (bsd3, crypto, finance, library, network)2020-03-26ssadler
cryptohash5091.25collection of crypto hashes, fast, pure and practical (bsd3, cryptography, data, library)2016-03-25VincentHanquez
cryptohash-conduit210.0cryptohash conduit (bsd3, conduit, cryptography, library)2014-03-30VincentHanquez
cryptohash-cryptoapi880.0Crypto-api interfaces for cryptohash (bsd3, cryptography, library)2016-03-26VincentHanquez
cryptohash-md57760.0Fast, pure and practical MD5 implementation (bsd3, cryptography, data, library)2021-10-21HerbertValerioRiedel, phadej
cryptohash-sha16630.0Fast, pure and practical SHA-1 implementation (bsd3, cryptography, data, library)2016-06-28HerbertValerioRiedel, phadej
cryptohash-sha2567692.25Fast, pure and practical SHA-256 implementation (bsd3, cryptography, data, library)2021-10-10AustinSeipp, HerbertValerioRiedel, phadej
cryptohash-sha512340.0Fast, pure and practical SHA-512 implementation (bsd3, cryptography, data, library)2016-10-23HerbertValerioRiedel, phadej
cryptoids320.0Reversable and secure encoding of object ids as a bytestring (bsd3, cryptography, library)2018-07-23gkleen
cryptoids-class40.0Typeclass-based interface to cryptoids (bsd3, library, web)2018-01-18gkleen
cryptoids-types120.0Shared types for encrypting internal object identifiers before exposure (bsd3, library, web)2018-12-17gkleen
cryptol3200.0Cryptol: The Language of Cryptography (bsd3, language, library, program)2021-10-05AaronTomb, IavorDiatchki
cryptonite19592.75Cryptography Primitives sink (bsd3, cryptography)2021-05-08LukeTaylor, VincentHanquez
cryptonite-conduit1930.0cryptonite conduit (bsd3, conduit, cryptography, library)2017-11-17MichaelSnoyman, VincentHanquez
cryptonite-openssl400.0Crypto stuff using OpenSSL cryptographic library (bsd3, cryptography)2018-04-07VincentHanquez
cryptostore750.0Serialization of cryptographic data types (bsd3, codec, cryptography, library)2019-10-13OlivierCheron
crystalfontz80.0Control Crystalfontz LCD displays. (bsd3, hardware, library, system, user-interfaces)2010-09-21KeeganMcAllister
cse-ghc-plugin50.0Compiler plugin for common subexpression elimination (bsd3, compiler-plugin, library)2012-08-08AustinSeipp
csg240.0Analytical CSG (Constructive Solid Geometry) library (bsd3, graphics, library, program)2019-01-18DmitryDzhus
csound-catalog770.0a gallery of Csound instruments. (bsd3, library, music)2021-04-29AntonKholomiov
csound-controllers50.0 (bsd3, library, unclassified)2020-11-29AntonKholomiov
csound-expression9482.0library to make electronic music (bsd3, library, music, sound)2021-10-11AntonKholomiov
csound-expression-dynamic4090.0dynamic core for csound-expression library (bsd3, library, music, sound)2021-10-11AntonKholomiov
csound-expression-opcodes470.0opcodes for the library csound-expression (bsd3, library, music, sound)2021-04-29AntonKholomiov
csound-expression-typed5920.0typed core for the library csound-expression (bsd3, library, music, sound)2021-10-11AntonKholomiov
csound-sampler740.0A musical sampler based on Csound (bsd3, library, music)2021-04-29AntonKholomiov
cspmchecker260.0A command line type checker for CSPM files. (bsd3, concurrency, program)2013-10-11ThomasGibsonRobinson
cspretty70.0AST and pretty printer for CSPm (bsd3, language, library)2016-11-30ccasin
css (deprecated)50.0Minimal monadic CSS DSL. (bsd3, deprecated, language, library)2014-12-08
css-easings120.0Defining and manipulating css easing strings. (bsd3, library, web, webdevelopment)2021-06-13wvanonsem90
css-selectors230.0Parsing, rendering and manipulating css selectors in Haskell. (bsd3, library, web)2021-05-20wvanonsem90
csv-conduit1420.0A flexible, fast, conduit-based CSV parser library for Haskell. (bsd3, conduit, csv, data, library, text)2021-07-06MichaelXavier, OzgunAtaman
csv-enumerator290.0A flexible, fast, enumerator-based CSV parser library for Haskell. (bsd3, data, library)2013-01-21OzgunAtaman
csv-to-qif170.0A small program that will read csv files and create qif files (bsd3, console, program, text)2018-02-21palo
ctemplate (deprecated)80.0Binding to the Google ctemplate library (bsd3, deprecated, library, text)2008-02-15AdamLangley
ctkl80.0packaging of Manuel Chakravarty's CTK Light for Hackage (bsd3, library, text)2014-10-04MarkWotton
cube50.0Cubic DSL for 3D printing (bsd3, language, library)2015-04-15junjihashimoto
cubicbezier1800.0Efficient manipulating of 2D cubic bezier curves. (bsd3, geometry, graphics, library, typography)2019-01-31DavidHimmelstrup, KristofBastiaensen
cubicspline132.0Natural cubic spline interpolation. (algorithms, bsd3, library, math)2015-10-18GershomBazerman
cublas380.0FFI bindings to the CUDA BLAS library (bsd3, foreign, library)2020-08-26TrevorMcDonell, bmsherman
cuckoo2050.0Haskell Implementation of Cuckoo Filters (bsd3, data, library)2021-10-21larsk
cuda1930.0FFI binding to the CUDA interface for programming NVIDIA GPUs (bsd3, foreign, library, program)2021-07-05TrevorMcDonell
cudd240.0Bindings to the CUDD binary decision diagrams library (bsd3, data, library)2017-01-09adamwalker
cue-sheet260.0Support for construction, rendering, and parsing of CUE sheets (audio, bsd3, library)2019-01-29mrkkrp
cufft480.0Haskell bindings for the CUFFT library (bsd3, foreign, library)2020-08-26RobEverest, TrevorMcDonell
curl642.0Haskell binding to libcurl (bsd3, library, network)2012-11-13DonaldStewart, EricMertens, IavorDiatchki, SigbjornFinne
curl-aeson140.0Communicate with HTTP service using JSON (bsd3, json, library, network, web)2014-08-24JoelLehtonen
currencies250.0Currencies representation, pretty printing and conversion (bsd3, data, library)2018-06-22alx741, DanielCampoverde
currency-convert152.0Typesafe currency conversion (bsd3, data, library)2016-08-16pigworts2
curry70.0Curry types (bsd3, data, library)2018-01-25
curry-base530.0Functions for manipulating Curry programs (bsd3, language, library)2019-11-22BerndBrassel, BjoernPeemoeller, HolgerSiegel, CurryLanguage
curry-frontend760.0Compile the functional logic language Curry to several intermediate formats (bsd3, language, library, program)2021-02-11BerndBrassel, BjoernPeemoeller, HolgerSiegel, CurryLanguage
curryer60.0A simple HTTP server framework (bsd3, library, web)2017-09-06ChrisPenner
cursedcsv222.0Terminal tool for viewing tabular data (application, bsd3, program)2021-08-12GershomBazerman
curve25519320.0Fast implementations of the curve25519 elliptic curve primitives. (bsd3, library, math)2021-08-13AdamWick
cusolver110.0FFI bindings to CUDA Solver, a LAPACK-like library (bsd3, foreign, library)2020-08-26TrevorMcDonell
cusparse230.0FFI bindings to the CUDA Sparse BLAS library (bsd3, foreign, library)2020-08-26TrevorMcDonell
cutter40.0Cut files according to a position list (bsd3, console, program)2017-03-26HenningThielemann
cve80.0simple and efficient cve datatype (bsd3, data, library)2018-03-21chessai
cypher230.0Haskell bindings for the neo4j "cypher" query language (bsd3, database, library)2012-07-31SamAnklesaria
czipwith2110.0CZipWith class and deriving via TH (bsd3, data, library)2020-06-10lspitzner, fozworth, dukerutledge
d-bus510.0Permissively licensed D-Bus client library (bsd3, desktop, library, network, program)2017-12-13PhilippBalzarek, frasertweedale
d3js90.0Declarative visualization on a web browser with DSL approach. (bsd3, graphics, library)2013-09-22nebuta
dag180.0Compile-time, type-safe directed acyclic graphs. (bsd3, library, unclassified)2015-01-23athanclark
dapi60.0Prints a series of dates (bsd3, console, program)2013-04-02OmariNorman
darcs-benchmark460.0Comparative benchmark suite for darcs. (bsd3, program, testing)2010-08-08EricKow, PetrRockai
darcs-fastconvert180.0Import/export git fast-import streams to/from darcs. (bsd3, development, program)2011-02-13PetrRockai
darcs-graph260.0Generate graphs of darcs repository activity (bsd3, distribution, program)2008-11-29DonaldStewart, IsaacJones
darcs-scripts90.0Shell scripts for support of darcs workflow (bsd3, development, library)2015-04-08HenningThielemann
darcs2dot (deprecated in favor of darcs)110.0Outputs dependencies of darcs patches in dot format. (bsd3, deprecated, development, program)2013-04-07SoenkeHahn
data-accessor5720.0Utilities for accessing and manipulating fields of records (bsd3, data, library)2019-05-23HenningThielemann, LukePalmer
data-accessor-monads-fd170.0Use Accessor to access state in monads-fd State monad class (bsd3, data, library)2011-02-26HenningThielemann
data-accessor-monads-tf180.0Use Accessor to access state in monads-tf State monad type family (bsd3, data, library)2012-04-10HenningThielemann
data-accessor-mtl260.0Use Accessor to access state in mtl State monad class (bsd3, data, library)2014-07-01HenningThielemann
data-accessor-template1220.0Utilities for accessing and manipulating fields of records (bsd3, data, library)2018-08-31HenningThielemann, LukePalmer
data-accessor-transformers4460.0Use Accessor to access state in transformers State monad (bsd3, data, library)2016-01-18HenningThielemann
data-ascii (deprecated in favor of ascii)280.0Type-safe, bytestring-based ASCII values (bsd3, data, deprecated, library)2021-02-10chris_martin, Monoid_Mary
data-aviary320.0Combinator birds. (bsd3, combinators, library)2013-04-24StephenTetley
data-bword2220.0Extra operations on binary words of fixed length (bsd3, data, library)2016-07-06MikhailVorozhtsov
data-category1052.25Category theory (bsd3, category-theory, library, math)2020-05-11SjoerdVisscher
data-cell150.0Generic cellular data representation library (bsd3, data, library)2015-07-07patrykz
data-check (deprecated)130.0Library for checking and normalization of data (e.g. from web forms) (bsd3, data, deprecated, library, web)2017-05-21mrkkrp
data-checked2120.0Type-indexed runtime-checked properties (bsd3, data, library)2014-02-09MikhailVorozhtsov
data-clist3130.0Simple functional ring type. (bsd3, data-structures, library)2019-07-23JohnVanEnk, jeremyjh
data-constructors100.0Generically compare data by their constructors (bsd3, data, library)2017-09-16dailectic
data-cycle120.0a cyclic doubly linked list (bsd3, data, library)2012-03-10TobiasBrandt
data-default10662.25A class for types with a default value (bsd3, data, library)2016-06-25LukasMai
data-default-class10480.0A class for types with a default value (bsd3, data, library)2016-06-25LukasMai
data-default-extra100.0A class for types with a default value. (bsd3, data, library)2017-01-05PeterTrsko
data-default-generics210.0A class for types with a default value (bsd3, data, library)2014-02-20jcristovao
data-default-instances-base1450.0Default instances for types in base (bsd3, data, library)2016-06-25LukasMai
data-default-instances-bytestring70.0Default instances for (lazy and strict) ByteString, Builder and ShortByteString. (bsd3, data, library)2016-02-07PeterTrsko
data-default-instances-case-insensitive60.0Default instance for CI type from case-insensitive package. (bsd3, data, library)2016-02-07PeterTrsko
data-default-instances-containers8690.0Default instances for types in containers (bsd3, data, library)2013-04-02LukasMai
data-default-instances-dlist8690.0Default instances for types in dlist (bsd3, data, library)2013-04-02LukasMai
data-default-instances-new-base370.0Default instances for types in newer versions of base package. (bsd3, data, library)2017-01-05PeterTrsko
data-default-instances-old-locale8840.0Default instances for types in old-locale (bsd3, data, library)2013-04-03LukasMai
data-default-instances-text70.0Default instances for (lazy and strict) Text and Text Builder. (bsd3, data, library)2016-02-07PeterTrsko
data-default-instances-unordered-containers80.0Default instances for unordered-containers. (bsd3, data, library)2016-02-07PeterTrsko
data-default-instances-vector80.0Default instances for types defined in vector package (bsd3, data, library)2016-02-07PeterTrsko
data-diverse2440.0Extensible records and polymorphic variants. (bsd3, data, library, records)2019-11-26louispan
data-diverse-lens990.0Isos & Lens for Data.Diverse.Many and Prisms for Data.Diverse.Which (bsd3, data, library, records)2018-06-30louispan
data-dword2570.0Stick two binary words together to get a bigger one (bsd3, data, library)2020-04-11MikhailVorozhtsov
data-easy140.0Consistent set of utility functions for Maybe, Either, List and Monoids. (bsd3, data, library)2016-07-26jcristovao
data-elf140.0Executable and Linkable Format (ELF) data structures. (bsd3, data, library)2016-07-23MikhailVorozhtsov
data-emoticons100.0Combinator emoticons: data-aviary in the flavor of emoticons (bsd3, combinators, library)2017-04-23lbq
data-endian2190.0Endian-sensitive data (bsd3, data, library)2016-07-07MikhailVorozhtsov
data-extend-generic70.0Extend Haskell data or newtype like in OOP languages (bsd3, data, library)2015-12-16YLiLarry
data-extra (deprecated)590.0None (bsd3, deprecated, library, unclassified)2014-12-08
data-filepath290.0A type safe file path data structure (bsd3, data, library)2015-02-12MaxwellSwadling, domdere
data-files-gen80.0Generate data-files Cabal file field from existing files (bsd3, library, program, tools)2016-08-02JeanPhilippeMoresmau
data-fin180.0Finite totally ordered sets (bsd3, data, library)2014-08-16WrenThornton
data-fin-simple80.0Simple integral finite set (bsd3, data, library)2015-06-17seagull
data-fix16922.25Fixpoint data types (bsd3, data, library)2021-07-27AntonKholomiov, gelisam, phadej
data-fix-cse400.0Common subexpression elimination for the fixploint types. (bsd3, data, library)2020-08-02AntonKholomiov
data-flags540.0A package for working with bit masks and flags in general. (bsd3, data, library)2017-07-29MikhailVorozhtsov
data-foldapp100.0Fold function applications. Framework for variadic functions. (bsd3, data, library)2018-01-21erisco
data-fresh150.0Interface and functor transformers for fresh values (bsd3, control, library)2013-09-08StijnVanDrongelen
data-function-meld100.0Map the arguments and return value of functions. (bsd3, data, library)2016-05-25erisco
data-function-tacit70.0Write functions in tacit (pointless) style using Applicative and De Bruijn index notation. (bsd3, data, library)2016-06-01erisco
data-has892.0Simple extensible product (bsd3, data, library)2020-12-01winterland
data-hash2790.0Combinators for building fast hashing functions. (bsd3, data, library)2015-05-20DanielGorin
data-index80.0Extending the concept of indices for lists and other containers (bsd3, data, library)2018-05-11IlyaPershin
data-interval1430.0Interval datatype, interval arithmetic and interval-based containers (bsd3, data, library, math)2021-03-14MasahiroSakai, Bodigrim
data-inttrie1410.0A simple lazy, infinite trie from integers (bsd3, data, library)2018-03-31LukePalmer, ThomasDuBuisson
data-ivar150.0Write-once variables with concurrency support (bsd3, concurrency, data, library)2008-10-20GregoryCrosswhite, LukePalmer
data-json-token (deprecated)70.0Json Token datatype (bsd3, data, deprecated, json, library, program)2016-02-02newhoggy, haskellworks
data-kiln70.0Sculpt mutable recursive data with reference equality; bake it using a data kiln into an immutable lazy structure (bsd3, data, library)2014-12-17kwf
data-layout70.0Read/write arbitrary binary layouts to a "Data.Vector.Storable". (bsd3, data, library)2013-10-06JacobStanley
data-lens1300.0Used to be Haskell 98 Lenses (bsd3, comonads, control, library)2018-01-01EdwardKmett, RussellOConnor
data-lens-fd430.0Lenses (bsd3, comonads, control, library)2016-07-17EdwardKmett, RussellOConnor
data-lens-ixset (deprecated in favor of data-store, tables, lens)220.0A Lens for IxSet (bsd3, comonads, control, data-structures, deprecated, library)2012-01-15DagOdenhall
data-lens-template700.0Utilities for Data.Lens (bsd3, data, library)2016-07-17EdwardKmett, JoelBurget, RussellOConnor
data-list-zigzag120.0A list but with a balanced enumeration of Cartesian product. (bsd3, data, library)2018-02-27erisco
data-memocombinators712.0Combinators for building memo tables. (bsd3, data, library)2013-12-14DmitryMalikov, LukePalmer, ThomasDuBuisson
data-msgpack (deprecated in favor of msgpack-binary)732.0A Haskell implementation of MessagePack (bsd3, data, deprecated, library, program)2020-02-29iphydf
data-msgpack-types (deprecated in favor of msgpack-types)360.0A Haskell implementation of MessagePack. (bsd3, data, deprecated, library)2020-02-29iphydf
data-named440.0Data types for named entities (bsd3, library, natural-language-processing)2019-11-30JakubWaszczuk
data-nat110.0data Nat = Zero | Succ Nat (bsd3, data, library, math)2012-09-23GaborLehel
data-object (deprecated in favor of aeson)700.0Represent hierachichal structures, called objects in JSON. (deprecated) (bsd3, data, deprecated, library)2012-01-18MichaelSnoyman
data-object-json (deprecated in favor of aeson)560.0Serialize JSON data to/from Haskell using the data-object library. (deprecated) (bsd3, deprecated, library, text)2012-01-18MichaelSnoyman
data-object-yaml (deprecated in favor of yaml)580.0Serialize data to and from Yaml files (deprecated) (bsd3, deprecated, library, web)2012-01-31MichaelSnoyman
data-or760.0A data type for non-exclusive disjunction. (bsd3, data, library)2021-10-18WrenThornton, WrenRomano
data-ordlist2062.25Set and bag operations on ordered lists (bsd3, data, library, list)2014-11-20LeonSmith
data-partition200.0A pure disjoint set (union find) data structure (bsd3, data, library)2015-04-03LukePalmer
data-pprint350.0Prettyprint and compare Data values (bsd3, library, testing, text)2016-05-24PeterDivianszky, lspitzner, GaborPali, gombocarti
data-quotientref80.0Reference cells that need two independent indices to be accessed. (bsd3, data, library)2008-10-20LukePalmer
data-ref850.0Unify STRef and IORef in plain Haskell 98 (bsd3, data, library)2019-01-22HenningThielemann
data-reify1160.0Reify a recursive data structure into an explicit graph. (bsd3, data, language, library, parsing, reflection)2020-10-12AndyGill, ryanglscott
data-reify-cse100.0Common Sub-Expression Elimination for graphs generated by Data.Reify. (bsd3, data, language, library)2013-05-08SebastiaanVisser
data-rev100.0A typeclass for reversing order of contents. (bsd3, data, library)2015-01-01jxv
data-serializer2500.0Common API for serialization libraries (bsd3, data, library)2021-04-04MikhailVorozhtsov
data-sketches-core100.0 (bsd3, library, unclassified)2021-08-25IanDuncan
data-spacepart (deprecated in favor of spacepart)100.0Deprecated. Now called "spacepart". Space partitioning data structures. (bsd3, data, deprecated, library)2009-02-16CoreyOConnor
data-stm3280.0ARM SVD and CubeMX XML parser and pretty printer for STM32 family (bsd3, library, parsing, program)2018-02-21srk
data-store300.0Type safe, in-memory dictionary with multidimensional keys. (bsd3, data, library)2013-08-19PetrPilar
data-sword220.0Shorter binary words (bsd3, data, library)2017-07-29MikhailVorozhtsov
data-textual2340.0Human-friendly textual representations. (bsd3, data, library, text)2019-11-01MikhailVorozhtsov
data-timeout190.064-bit timeouts of nanosecond precision (bsd3, concurrency, data, library)2018-10-22MikhailVorozhtsov
data-transform180.0Functions to transform data structures. (bsd3, data, library)2020-04-10JonasScholl
data-tree-print2730.0Print Data instances as a nested tree (bsd3, library, pretty-printer)2018-10-24lspitzner, fozworth, dukerutledge
data-treify170.0Reify a recursive data structure into an explicit graph. (bsd3, data, language, library, parsing, reflection-)2014-03-18ConalElliott
data-type90.0Basic type wrangling types and classes (bsd3, data, library, type-system)2011-09-23IainAlexander
data-util210.0utilities for handle data (bsd3, data, development, library, utils)2015-09-08KatsutoshiItoh
data-variant280.0A variant data type, useful for modeling dynamically-typed programming languages (bsd3, data, library)2014-07-31TobiasDammers
data-vector-growable100.0Dynamic growable resizable mutable generic vector (bsd3, data, data-structures, library)2020-12-24FumiakiKinoshita
database-id-class150.0Class for types with a database id (bsd3, database, library)2019-07-21abrar
database-id-groundhog50.0HasId/Groundhog interop (bsd3, database, library)2019-07-21abrar
database-migrate220.0Database versioning and migration (experimental) (bsd3, database, library)2013-07-16MarkHibberd
database-study80.0Demonstrate how a database can be implemented the functional way (bsd3, database, library, monads)2010-02-05HenningThielemann
datadog-tracing282.0Datadog tracing client and mock agent. (bsd3, library, logging, program)2019-05-08fommil
dataenc (deprecated in favor of sandi)1470.0Data encoding library (bsd3, codec, deprecated, library)2014-04-22GracjanPolak, MagnusTherning
dataflow710.0Generate Graphviz documents from a Haskell representation. (bsd3, code-generation, compiler, graphs, library, program)2015-08-26owickstrom
dataflower240.0A Pure-Haskell Timely Dataflow System (bsd3, library, unclassified)2020-08-24jessekempf
datalog110.0An implementation of datalog in Haskell (bsd3, database, library, program)2014-09-18TristanRavitch
datarobot190.0Client for DataRobot API (bsd3, library, web)2018-03-27seanhess
date-cache420.0Date cacher (bsd3, library, system)2012-09-03KazuYamamoto
dates570.0Small library for parsing different dates formats. (bsd3, data, library)2019-06-26IlyaPortnov
dawg340.0Directed acyclic word graphs (bsd3, data, data-structures, library)2013-07-22JakubWaszczuk
dawg-ord402.0Directed acyclic word graphs (bsd3, data, data-structures, library)2020-09-24JakubWaszczuk
dbjava30.0Decompiler Bytecode Java (bsd3, jvm, library, program)2011-04-10CarlosGomez
dbm180.0A *simple* database migration tool. (bsd3, database, program)2016-09-01RickyElrod
dbmigrations730.0An implementation of relational database "migrations" (bsd3, database, library, program)2016-10-22JonathanDaugherty
dbmigrations-mysql120.0The dbmigrations tool built for MySQL databases (bsd3, database, library, program)2016-10-22JonathanDaugherty
dbmigrations-postgresql310.0The dbmigrations tool built for PostgreSQL databases (bsd3, database, program)2016-10-22JonathanDaugherty
dbmigrations-sqlite80.0The dbmigrations tool built for SQLite databases (bsd3, database, program)2016-10-22JonathanDaugherty
dbus-hslogger450.0Expose a dbus server to control hslogger (bsd3, library, program, system)2018-05-03eyevanmalicesun
dbus-qq120.0Quasi-quoter for DBus functions (bsd3, library, network)2012-08-19PaoloCapriotti
dbus-th180.0TemplateHaskell generator of DBus bindings (bsd3, library, network)2018-03-31IlyaPortnov
dbus-th-introspection140.0Generate bindings for DBus calls by using DBus introspection and dbus-th (bsd3, development, library, program)2018-03-31IlyaPortnov
dclabel (deprecated in favor of lio)300.0This packge is deprecated. See the the "LIO.DCLabel" in the "lio" package. (bsd3, deprecated, library, security)2012-08-17DeianStefan
dclabel-eci11 (deprecated in favor of lio)110.0The Disjunction Category Label Format. (bsd3, deprecated, library, security)2011-07-23AlejandroRusso
dcpu16110.0DCPU-16 Emulator & Assembler (bsd3, compilers-interpreters, library, program)2017-01-12anatolat
dde102.0Delay differential equations (bsd3, library, math, program)2018-07-08penkovsky
dead-code-detection400.0detect dead code in haskell projects (bsd3, development, program)2016-07-10SoenkeHahn
dear-imgui1032.0Haskell bindings for Dear ImGui. (bsd3, graphics, library)2021-10-04AlexanderBondarenko, OliverCharles
debian2680.0Modules for working with the Debian package system (bsd3, debian, library, program)2020-02-17ClintAdams, DavidFox, JeremyShaw, MarcoSilva
debian-build1310.0Debian package build sequence tools (bsd3, debian, library, program)2021-09-04KeiHibino
debug312.5Simple trace-based debugger (bsd3, debugging, development, library, program)2018-03-19NeilMitchell
debug-diff50.0Display a colorized diff between two Haskell values (bsd3, debug, library)2011-09-14KeeganMcAllister
debug-dump160.0File-based debug output (bsd3, debug, library)2019-06-03vmchale
debug-pp90.0A preprocessor for the debug package (bsd3, debugging, program)2018-01-20PepeIborra
debug-tracy140.0More useful trace functions for investigating bugs (bsd3, development, library, program)2019-02-04fresheyeball
dec6300.0Decidable propositions. (bsd3, data, dependent-types, library)2021-02-20phadej
decepticons80.0The categorical dual of transformers. (bsd3, control, library)2013-05-07JoeQuinn
decidable400.0Combinators for manipulating dependently-typed predicates. (bsd3, dependent-types, library)2020-02-03jle
decimal-arithmetic330.0An implementation of the General Decimal Arithmetic Specification (bsd3, library, numeric)2018-07-15RobLeslie
decoder-conduit120.0Conduit for decoding ByteStrings using Data.Binary.Get (bsd3, conduit, library)2013-09-27hansonkd
deep-transformations30.0Deep natural and unnatural tree transformations, including attribute grammars (bsd3, control, generics, library)2020-11-11MarioBlazevic
deepcontrol620.0A library that provides deep-level programming style and(or) notation on Applicative and Monad (bsd3, control, library)2015-12-20KONISHI_Yohsuke
deepl110.0Call DeepL to translate you files (bsd3, language, library, program, web)2021-04-16PaoloVeronelli
deepseq3582.5Deep evaluation of data structures (bsd3, control, library)2021-02-02HerbertValerioRiedel, chessai
deepseq-bounded600.0Bounded deepseq, including support for generic deriving (bsd3, control, library)2015-02-04AndrewSeniuk
deepseq-generics1580.0GHC.Generics-based Control.DeepSeq.rnf implementation (bsd3, control, library)2016-01-03HerbertValerioRiedel
deepseq-th (deprecated in favor of deepseq-generics)250.0Template Haskell based deriver for optimised NFData instances (bsd3, control, deprecated, library)2012-10-13HerbertValerioRiedel
deepzoom80.0A DeepZoom image slicer. Only known to work on 32bit Linux (bsd3, graphics, library)2012-01-16MatthewPanetta
defargs150.0default arguments in haskell (bsd3, library, type-system)2014-10-14Kinokkory
deiko-config110.0Small and typesafe configuration library. (bsd3, data, library)2017-11-09YorickLaupa
deka260.0Decimal floating point arithmetic (bsd3, library, math)2014-07-16OmariNorman
deka-tests80.0Tests for deka, decimal floating point arithmetic (bsd3, library, math, program)2014-07-16OmariNorman
delaunay120.0Build a Delaunay triangulation of a set of points (bsd3, graphics, library)2013-05-29MarcelRuegenberg
delay50.0More useful and humain delaying functions (bsd3, concurrency, library, system)2016-03-21davean
delicious140.0Accessing the del.icio.us APIs from Haskell (v2) (bsd3, library, web)2013-12-30SigbjornFinne
delimited-text520.0Parse character delimited textual data (bsd3, data, library)2011-03-23DonaldStewart, StefanKersten
delimiter-separated90.0Library for dealing with tab and/or comma (or other) separated files (bsd3, development, library)2015-11-27AtzeDijkstra
delta-h80.0Online entropy-based model of lexical category acquisition. (bsd3, library, natural-language-processing, program)2012-02-29GrzegorzChrupala
demarcate (deprecated in favor of free)90.0Demarcating transformed monad. (bsd3, control, deprecated, library)2013-09-23NickolayKudasov
denominate170.0Functions supporting bulk file and directory name normalization. (bsd3, library, program, system)2008-12-07CalvinSmith
dense140.0Mutable and immutable dense multidimensional arrays (bsd3, data, library)2020-11-20cchalmers
dep-t3060.0Reader-like monad transformer for dependency injection. (bsd3, control, library)2021-10-19DanielDiazCarrete
dep-t-advice1380.0Giving good advice to functions in a DepT environment. (bsd3, control, library)2021-10-09DanielDiazCarrete
dependency600.0Dependency resolution for package management (bsd3, build, development, library)2018-08-17vmchale
dependent-hashmap100.0Dependent hash maps (bsd3, data, library)2020-03-02OlleFredriksson
dependent-monoidal-map180.0Dependent map that uses semigroup mappend (bsd3, data, library)2021-04-15CaleGibbard, RyanTrinkle, abrar
dependent-sum-aeson-orphans310.0JSON instances for DSum, DMap, and Some (bsd3, json, library)2021-04-15CaleGibbard, abrar
depq220.0Double-ended priority queues (bsd3, data, data-mining, data-structures, library)2021-04-12ocramz
dequeue1430.0A typeclass and an implementation for double-ended queues. (bsd3, data-structures, library)2015-09-03HenryBucklow
derive1982.0A program and library to derive instances for data types (bsd3, development, library, program)2019-01-22AustinSeipp, NeilMitchell, StefanORear, VladimirShabanov, ip1981
derive-IG120.0Macro to derive instances for Instant-Generics using Template Haskell (bsd3, data, generics, library)2010-09-06HiromiIshii
derive-gadt110.0Instance deriving for (a subset of) GADTs. (bsd3, development, language, library, program)2009-07-25MattMorrow
derive-topdown302.0Help Haskellers derive class instances for composited data types. (bsd3, development, library)2020-10-08songzh
derive-trie140.0Automatic derivation of Trie implementations. (bsd3, data, library)2012-02-08AndreasBaldeau
deriving-aeson10870.0Type driven generic aeson instance customisation (bsd3, generics, json, library)2021-06-09FumiakiKinoshita
deriving-compat11430.0Backports of GHC deriving extensions (bsd3, compatibility, library)2021-08-29ryanglscott
deriving-show-simple30.0Derive a Show instance without field selector names (bsd3, generics, library)2020-10-28FumiakiKinoshita
deriving-trans30.0Derive transformer type classes with DerivingVia (bsd3, control, library)2021-06-19jumper149
derp130.0Derivative Parsing (bsd3, library, parsing)2012-03-28DavidDarais
derp-lib80.0combinators based on parsing with derivatives (derp) package (bsd3, library, text)2011-11-11KiYungAhn
describe580.0Combinators for describing binary data structures (bsd3, data, library)2020-02-08riuga
descriptive1060.0Self-describing consumers/parsers; forms, cmd-line args, JSON, etc. (bsd3, library, parsing)2018-08-31ChrisDone
desert180.0a simple build tool for OCaml projects (bsd3, language, library, program)2016-08-24zjhsdtc
despair90.0Despair (bsd3, control, library)2015-12-01Heather
detrospector110.0Markov chain text generator (bsd3, natural-language-processing, program, text)2013-04-08KeeganMcAllister
devtools130.0Haskell development tool agregate (bsd3, library, testing)2020-11-20mbj
dewdrop90.0Find gadgets for return-oriented programming on x86 (bsd3, library, reverse-engineering, security)2011-08-28KeeganMcAllister
df1350.0Type, render and parse the df1 hierarchical structured log format (bsd3, library, logging)2020-05-28RenzoCarbonara
df1-html90.0Render and parse df1 logs as HTML (bsd3, library, logging)2020-05-28RenzoCarbonara, MelisaLauraDiaz
dfinity-radix-tree882.0A generic data integrity layer. (blockchain, bsd3, database, dfinity, library, program)2019-03-14EnzoHaussecker, taktoa
dgs60.0Haskell front-end for DGS' bot interface (bsd3, game, library, network, web)2010-02-14DanielWagner
dhall19722.5A configuration language guaranteed to terminate (bsd3, compiler, library, program)2021-08-24GabrielGonzalez, sjakobi
dhall-bash1730.0Compile Dhall to Bash (bsd3, compiler, library, program)2021-08-21GabrielGonzalez, sjakobi
dhall-check170.0Check all dhall files in a project (bsd3, development, program)2017-05-07anfelor
dhall-csv160.0Convert bidirectionally between Dhall and CSV files. (bsd3, compiler, library, program)2021-08-21GabrielGonzalez
dhall-docs2420.0Generate HTML docs from a dhall package (bsd3, compiler, library, program)2021-08-21GabrielGonzalez, sjakobi
dhall-fly260.0Translate concourse config from Dhall to YAML (bsd3, concourse, dhall, json, library, program, yaml)2020-03-02axeman
dhall-json3552.0Convert between Dhall and JSON or YAML (bsd3, compiler, library, program)2021-08-21GabrielGonzalez, sjakobi
dhall-lex140.0Lexer for the Dhall language (bsd3, dhall, language, lexers, library)2018-03-25
dhall-nix1530.0Dhall to Nix compiler (bsd3, compiler)2021-08-21GabrielGonzalez, sjakobi
dhall-nixpkgs960.0Convert Dhall projects to Nix packages (bsd3, nix, program)2021-08-21GabrielGonzalez, sjakobi
dhall-openapi460.0Convert an OpenAPI specification to a Dhall package (bsd3, compiler, library, program)2021-08-21GabrielGonzalez
dhall-text (deprecated in favor of dhall)720.0Template text using Dhall (bsd3, compiler, deprecated, program)2019-06-07GabrielGonzalez
dhall-toml30.0Convert between Dhall and TOML (bsd3, compiler, library, program)2021-08-21GabrielGonzalez
dhcp-lease-parser80.0Parse a DHCP lease file (bsd3, library, software)2017-05-26andrewthad
di390.0Typeful hierarchical structured logging using di, mtl and df1. (bsd3, library, logging)2019-11-17RenzoCarbonara
di-core330.0Typeful hierarchical structured logging without monad towers. (bsd3, library, logging)2019-11-15RenzoCarbonara
di-df1380.0Write logs in the df1 format using the di logging framework (bsd3, library, logging)2020-05-28RenzoCarbonara
di-handle290.0IO support for file handles in di-core (bsd3, library, logging)2019-04-29RenzoCarbonara
di-monad520.0mtl flavoured typeful hierarchical structured logging for di-core. (bsd3, library, logging)2019-11-04RenzoCarbonara
dia-base180.0An EDSL for teaching Haskell with diagrams - data types (bsd3, education, graphics, library)2016-05-24PeterDivianszky, lspitzner, GaborPali
dia-functions290.0An EDSL for teaching Haskell with diagrams - functions (bsd3, education, graphics, library)2016-05-24PeterDivianszky, lspitzner, GaborPali
diagrams5712.75Embedded domain-specific language for declarative vector graphics (bsd3, graphics, library)2021-10-02AdamVogt, BrentYorgey, RyanYates, jeffreyrosenbluth, bergey, cchalmers
diagrams-boolean40.0deprecated, part of diagrams-contrib since 1.4 (bsd3, graphics, library)2016-07-24KristofBastiaensen
diagrams-braille130.0Braille diagrams with plain text (bsd3, graphics, library, program)2018-08-24mlang
diagrams-builder1560.0hint-based build service for the diagrams graphics EDSL. (bsd3, graphics, library)2020-01-22BrentYorgey, RyanYates, jeffreyrosenbluth, bergey, cchalmers
diagrams-cairo3530.0Cairo backend for diagrams drawing EDSL (bsd3, graphics, library)2020-01-11BrentYorgey, RyanYates, jeffreyrosenbluth, bergey, cchalmers
diagrams-canvas980.0HTML5 canvas backend for diagrams drawing EDSL (bsd3, graphics, library)2018-05-09BrentYorgey, RyanYates, jeffreyrosenbluth, bergey, cchalmers
diagrams-contrib4320.0Collection of user contributions to diagrams EDSL (bsd3, graphics, library)2019-11-12BrentYorgey, RyanYates, jeffreyrosenbluth, bergey, cchalmers
diagrams-core5692.25Core libraries for diagrams EDSL (bsd3, graphics, library)2021-05-13BrentYorgey, RyanYates, jeffreyrosenbluth, bergey, cchalmers
diagrams-graphviz402.0Graph layout and drawing with GraphViz and diagrams (bsd3, graphics, library)2020-02-18BrentYorgey
diagrams-gtk1660.0Backend for rendering diagrams directly to GTK windows (bsd3, graphics, library)2016-10-27BrentYorgey, JohnLato, RyanYates, jeffreyrosenbluth, bergey, cchalmers
diagrams-haddock2090.0Preprocessor for embedding diagrams in Haddock documentation (bsd3, graphics, library, program)2021-08-12BrentYorgey, RyanYates, jeffreyrosenbluth, bergey, cchalmers
diagrams-hsqml180.0HsQML (Qt5) backend for Diagrams (bsd3, graphics, library)2015-08-08mjmrotek
diagrams-html5510.0HTML5 canvas backend for diagrams drawing EDSL (bsd3, graphics, library)2018-05-30BrentYorgey, RyanYates, jeffreyrosenbluth, bergey, cchalmers
diagrams-lib6392.5Embedded domain-specific language for declarative graphics (bsd3, graphics, library)2021-05-25BrentYorgey, RyanYates, jeffreyrosenbluth, bergey, cchalmers
diagrams-pandoc200.0A Pandoc filter to express diagrams inline using the Haskell EDSL _Diagrams_ (bsd3, library, program, text)2020-06-13BrentYorgey, bergey
diagrams-pdf140.0PDF backend for diagrams drawing EDSL (bsd3, graphics, library)2013-08-31alpheccar
diagrams-pgf402.0PGF backend for diagrams drawing EDSL. (bsd3, graphics, library)2019-12-06BrentYorgey, RyanYates, jeffreyrosenbluth, bergey, cchalmers
diagrams-postscript3140.0Postscript backend for diagrams drawing EDSL (bsd3, graphics, library)2019-12-13BrentYorgey, RyanYates, jeffreyrosenbluth, bergey, cchalmers
diagrams-qrcode440.0Draw QR codes to SVG, PNG, PDF or PS files. (bsd3, graphics, library)2015-10-02FelipeLessa
diagrams-rasterific1362.0Rasterific backend for diagrams. (bsd3, graphics, library)2021-05-28BrentYorgey, RyanYates, jeffreyrosenbluth, bergey, cchalmers
diagrams-reflex60.0reflex backend for diagrams drawing EDSL. (bsd3, graphics, library)2016-02-19bergey
diagrams-solve2230.0Pure Haskell solver routines used by diagrams (bsd3, library, math)2021-02-13BrentYorgey, RyanYates, jeffreyrosenbluth, bergey, cchalmers
diagrams-svg4772.0SVG backend for diagrams drawing EDSL. (bsd3, graphics, library)2019-12-10BrentYorgey, DeepakJois, RyanYates, jeffreyrosenbluth, bergey, cchalmers
diagrams-tikz100.0TikZ backend for diagrams drawing EDSL (bsd3, graphics, library)2012-12-14AriePeterson
diagrams-wx70.0Backend for rendering diagrams in wxWidgets (bsd3, graphics, library)2016-04-07MichaelSmith
dialog140.0Simple dialog-based user interfaces (bsd3, interaction, library)2015-12-22lamefun
dialogflow-fulfillment180.0A Dialogflow Fulfillment library for Haskell. (api, bsd3, library)2021-05-12mauriciofierrom
dictionaries260.0Tools to handle StarDict dictionaries. (bsd3, library, program, text)2018-01-13zohl
dictionary-sharing5630.0Sharing/memoization of class members (bsd3, development, library)2015-06-24JonasDuregard
dictparser240.0Parsec parsers for the DICT format produced by dictfmt -t (bsd3, language, library, program)2014-01-10MarkWotton
diet80.0Discrete Interval Encoding Trees (bsd3, library, unclassified)2018-06-05TonyMorris, chessai
diff (deprecated)90.0Diff and patch (bsd3, deprecated, library, unclassified)2018-05-12
diff3420.0Perform a 3-way difference of documents (bsd3, data, library)2018-04-30OliverCharles
diffarray130.0DiffArray (bsd3, data-structures, library)2013-06-11AndreasAbel, IanLynagh
diffcabal90.0Diff two .cabal files syntactically (bsd3, distribution, program)2010-07-15DonaldStewart
diffdump70.0Tools for diffing stdout (bsd3, program, system)2013-01-05GregFitzgerald
diffmap (deprecated in favor of patience)90.0diff on maps (bsd3, data, deprecated, library)2018-06-18chessai
digamma (deprecated in favor of math-functions)130.0A (deprecated) implementation of the digamma function (bsd3, deprecated, library, math)2016-04-13BenGamari
digest10990.0Various cryptographic hashes for bytestrings; CRC32 and Adler32 for now. (bsd3, cryptography, library)2021-07-08EugeneKirpichov
digest-sig70.0Signature for digest (bsd3, cryptography, library)2020-05-03vmchale
digestive-functors1730.0A practical formlet library (bsd3, library, web)2020-05-09JasperVanDerJeugt
digestive-functors-blaze800.0Blaze frontend for the digestive-functors library (bsd3, library, web)2017-12-26JasperVanDerJeugt
digestive-functors-happstack620.0Happstack backend for the digestive-functors library (bsd3, library, web)2020-05-09JasperVanDerJeugt
digestive-functors-heist940.0Heist frontend for the digestive-functors library (bsd3, library, web)2018-07-23JasperVanDerJeugt
digestive-functors-hsp320.0HSP support for digestive-functors (bsd3, library, web)2012-04-24JeremyShaw
digestive-functors-lucid160.0Lucid frontend for the digestive-functors library (bsd3, library, web)2017-07-24MichaelXavier, athanclark
digestive-functors-scotty160.0Scotty backend for the digestive-functors library (bsd3, library, web)2014-07-14MartinsMacs
digestive-functors-snap760.0Snap backend for the digestive-functors library (bsd3, library, web)2018-07-23JasperVanDerJeugt
digit1242.0A data-type representing digits 0-9 and other combinations (bsd3, data, library)2020-10-30TonyMorris, qfpl
digits250.0Converts integers to lists of digits and back. (bsd3, data, library)2016-07-08HenryBucklow
digraph440.0Directed Graphs (bsd3, data, library, mathematics)2021-08-02larsk, fosskers
dijkstra-simple80.0A simpler Dijkstra shortest paths implementation (bsd3, dijkstra, graph, library)2020-06-27gdifolco
dimensional1572.5Statically checked physical dimensions (bsd3, library, math, physics)2021-05-02BjornBuckwalter, dmcclean
dimensional-codata130.0CODATA Recommended Physical Constants with Dimensional Types (bsd3, library, physics)2021-05-01BjornBuckwalter, dmcclean
dimensional-tf (deprecated in favor of dimensional)360.0Statically checked physical dimensions, implemented using type families. (bsd3, deprecated, library, math, physics)2016-12-07BjornBuckwalter
dimensions400.0Safe type-level dimensionality for multidimensional data. (bsd3, geometry, library, math)2021-04-04achirkin
dino80.0A convenient tagless EDSL (bsd3, language, library)2019-12-11EmilAxelsson
diplomacy160.0Diplomacy board game (bsd3, games, library)2017-11-10alexvieth
diplomacy-server80.0Play Diplomacy over HTTP (bsd3, program, unclassified)2015-08-20alexvieth
dir-traverse1030.0Simple directory traversal library (bsd3, directory, library, system)2020-10-01vmchale
direct-binary-files100.0Serialization and deserialization monads for streams and ByteStrings. (bsd3, data, library)2012-12-10IreneKnapp
direct-daemonize400.0Library to switch to daemon mode using built-in OS facilities. (bsd3, library, system)2013-02-19IreneKnapp
direct-fastcgi150.0Native implementation of the FastCGI protocol. (bsd3, library, network)2011-02-08IreneKnapp
direct-http170.0Native webserver that acts as a library. (bsd3, library, network)2013-02-22IreneKnapp
direct-murmur-hash100.0An implementation of the MurmurHash3 algorithm (bsd3, data, library)2015-02-24IreneKnapp, dmbarbour
direct-plugins110.0Lightweight replacement for Plugins, specific to GHC (bsd3, library, system)2010-03-16IreneKnapp
direct-rocksdb130.0Bindings to RocksDB. (bsd3, database, library)2017-11-08terrorjack
direct-sqlite4572.25Low-level binding to SQLite3. Includes UTF8 and BLOB support. (bsd3, database, library)2020-02-24IreneKnapp, JanneHellsten, sigrlami
directed-cubical140.0Finite directed cubical complexes and associated algorithms (bsd3, library, math)2014-06-08mmisamore
directory11570.0Platform-agnostic library for filesystem operations (bsd3, library, system)2021-09-04AustinSeipp, HerbertValerioRiedel, IanLynagh, Rufflewind
directory-contents132.0Recursively build, navigate, and operate on a tree of directory contents. (bsd3, library, program, system)2020-12-11abrar
directory-layout510.0Directory layout DSL (bsd3, library, system, testing)2014-08-31MatveyAksenov
directory-listing-webpage-parser80.0directory listing webpage parser (bsd3, library, text)2016-05-13sifmelcara
directory-tree2262.25A simple directory-like tree datatype, with useful IO functions (bsd3, data, library, system)2016-09-05BrandonSimmons
dirfiles230.0 (bsd3, data, library)2014-09-25HugoGomes
dirichlet150.0Multivariate Dirichlet distribution (bsd3, library, math)2021-09-15dschrempf
dirstream200.0Easily stream directory contents in constant memory (bsd3, library, pipes, system)2018-10-01GabrielGonzalez
disassembler170.0Disassembler for X86 & AMD64 machine code (bsd3, development, disassembler, library)2015-05-26DirkKleeblatt, MartinGrabmueller
discordian-calendar80.0library for handling Discordian calendar dates (bsd3, date, library)2013-03-27AdamCurtis
discover-instances70.0 (bsd3, library, unclassified)2021-08-24parsonsmatt
discrete60.0replacement for enum (bsd3, data, library)2018-09-17chessai
discrete-intervals100.0Discrete Intervals (bsd3, data, library)2017-12-17chessai
discrete-space-map260.0A discrete space map. (bsd3, data, library)2016-02-13SjoerdVisscher
discrimination742.5Fast generic linear-time sorting, joins and container construction. (bsd3, data, library, sorting)2021-01-08AnthonyCowley, EdwardKmett, phadej, ryanglscott, GeorgeWilson
disjoint-containers280.0Disjoint containers (bsd3, library, web)2019-03-24andrewthad
disjoint-set100.0Persistent disjoint-sets, a.k.a union-find. (bsd3, data, library)2012-10-15MaxwellSayles
disjoint-sets-st80.0Imperative ST/IO based disjoint set data structure. (bsd3, data-structures, library)2013-05-29PetrPudlak
disk-free-space1090.0Retrieve information about disk space usage (bsd3, filesystem, library, system)2015-01-05MariosTitas
display120.0Display things for humans to read (bsd3, library, text)2018-02-07ChrisDone
disposable (deprecated in favor of glazier-react)460.0Allows storing different resource-releasing actions together. (bsd3, control, deprecated, library)2018-07-02louispan
distributed-closure602.0Serializable closures for distributed programming. (bsd3, control, library, program)2019-12-29AlpMestanogullari, FacundoDominguez, MathieuBoespflug
distributed-fork (deprecated)180.0Like 'forkIO', but uses remote machines instead of local threads. (bsd3, control, deprecated, library)2018-06-15utdemir
distributed-fork-aws-lambda (deprecated)140.0AWS Lambda backend for distributed-fork. (bsd3, control, deprecated, library)2018-06-15utdemir
distributed-process1542.5Cloud Haskell: Erlang-style concurrency in Haskell (bsd3, control, library)2018-06-12EdskoDeVries, FacundoDominguez, MathieuBoespflug, TimWatson
distributed-process-async370.0Cloud Haskell Async API (bsd3, control, library)2018-06-14FacundoDominguez, MathieuBoespflug, TimWatson
distributed-process-azure80.0Microsoft Azure backend for Cloud Haskell (bsd3, control-, library)2012-11-05EdskoDeVries, FacundoDominguez, MathieuBoespflug, TimWatson
distributed-process-client-server280.0The Cloud Haskell Application Platform (bsd3, control, library)2018-06-14FacundoDominguez, MathieuBoespflug, TimWatson
distributed-process-ekg70.0Collect node stats for EKG (bsd3, library, network, system)2016-03-10AlexanderBondarenko
distributed-process-execution150.0Execution Framework for The Cloud Haskell Application Platform (bsd3, control, library)2016-02-18FacundoDominguez, MathieuBoespflug, TimWatson
distributed-process-extras330.0Cloud Haskell Extras (bsd3, control, library)2018-06-13FacundoDominguez, MathieuBoespflug, TimWatson
distributed-process-fsm80.0The Cloud Haskell implementation of Erlang/OTP gen_statem (bsd3, control, library)2017-03-26TimWatson
distributed-process-lifted180.0monad-control style typeclass and transformer instances for Process monad. (bsd3, cloud-haskell, control, library)2018-02-25jeremyjh
distributed-process-monad-control200.0Orphan instances for MonadBase and MonadBaseControl. (bsd3, control, library)2017-09-07jeremyjh
distributed-process-p2p420.0Peer-to-peer node discovery for Cloud Haskell (bsd3, library, network, program)2018-12-03AlexanderBondarenko
distributed-process-platform (deprecated in favor of distributed-process-extras, distributed-process-async, distributed-process-client-server, distributed-process-registry, distributed-process-supervisor, distributed-process-task, distributed-process-execution)90.0The Cloud Haskell Application Platform (bsd3, control, deprecated, library)2014-06-13FacundoDominguez, MathieuBoespflug, TimWatson
distributed-process-registry130.0Cloud Haskell Extended Process Registry (bsd3, control, library)2016-02-18FacundoDomingue