All packages by name

3d-graphics-examples programs: Examples of 3D graphics programming with OpenGL (bsd3, fractals, graphics, program)
3dmodels library: 3D model parsers (graphics, lgpl, library)
4Blocks program: A tetris-like game (works with GHC 6.8.3 and Gtk2hs 0.9.13) (bsd3, game, program)
AAI library: Abstract Application Interface. (control, library, mit)
ABList library and test: An alternating list of two types (bsd3, data, library)
AC-Angle library: Angles in degrees and radians. (bsd3, data, library, math, numerical)
AC-Boolean library: Handle Boolean values generatically. (bsd3, data, library, logic, math)
AC-BuildPlatform library: Detect which OS you're running on. (bsd3, library, system)
AC-Colour library: Efficient RGB colour types. (bsd3, data, graphics, library, math, numerical)
AC-EasyRaster-GTK library: GTK+ pixel plotting. (bsd3, graphics, library)
AC-HalfInteger library: Efficient half-integer type. (bsd3, data, library, math, numerical)
AC-MiniTest library: A simple test framework. (bsd3, library, testing)
AC-PPM library: Trivial package for writing PPM images. (bsd3, codec, graphics, library)
AC-Random library: A pure Haskell PRNG. (bsd3, library, random)
AC-Terminal library: Trivial wrapper over ansi-terminal. (bsd3, data, library, math, numerical)
AC-VanillaArray library: Immutable arrays with plain integer indicies. (bsd3, data, library)
AC-Vector library: Efficient geometric vectors and transformations. (bsd3, data, graphics, library, math, numerical)
AC-Vector-Fancy library: Fancy type-system stuff for AC-Vector (bsd3, data, graphics, library, math, numerical)
ACME library: Essential features (acme, bsd3, library)
ADPfusion library and test: Efficient, high-level dynamic programming. (algorithms, bioinformatics, bsd3, data-structures, formal-languages, library)
ADPfusionForest library, test and benchmark: Dynamic programming on tree and forest structures (bioinformatics, bsd3, formal-languages, library)
ADPfusionSet library and test: Dynamic programming for Set data structures. (algorithms, bioinformatics, bsd3, data-structures, formal-languages, library)
AERN-Basics library and program: foundational type classes for approximating exact real numbers (bsd3, data, deprecated, library, math, program)
AERN-Net library: Compositional lazy dataflow networks for exact real number computation (bsd3, deprecated, distributed-computing, library, math)
AERN-Real library: arbitrary precision real interval arithmetic (bsd3, data, deprecated, library, math)
AERN-Real-Double library and programs: arbitrary precision real interval arithmetic (bsd3, data, deprecated, library, math, program)
AERN-Real-Interval library: arbitrary precision real interval arithmetic (bsd3, data, deprecated, library, math)
AERN-RnToRm library: polynomial function enclosures (PFEs) approximating exact real functions (bsd3, data, deprecated, library, math)
AERN-RnToRm-Plot library: GL plotting of polynomial function enclosures (PFEs) (bsd3, data, deprecated, library, math)
AES library: Fast AES encryption/decryption for bytestrings (bsd3, cryptography, library)
AFSM library: Arrowized functional state machines (frp, library, mit)
AGI library: A library for writing AGI scripts for Asterisk (bsd3, library, network)
ALUT library: A binding for the OpenAL Utility Toolkit (bsd3, library, sound)
AMI library: Low-level bindings for Asterisk Manager Interface (AMI). (bsd3, library, network)
ANum library and test: Num instance for Applicatives provided via the ANum newtype (bsd3, data, library)
ASN1 library: ASN.1 support for Haskell (bsd3, deprecated, language, library)
AVar library: Mutable variables with Exception handling and concurrency support. (bsd3, concurrency, deprecated, library)
AWin32Console library: A binding to a part of the ANSI escape code for the console (bsd3, library, system)
AbortT-monadstf library: Monads-tf instances for the AbortT monad transformer. (bsd3, control, library)
AbortT-mtl library: mtl instances for the AbortT monad transformer (bsd3, control, library)
AbortT-transformers library and test: A monad and monadic transformer providing "abort" functionality (bsd3, control, library)
ActionKid library, program and test: An easy-to-use video game framework for Haskell. (bsd3, game-engine, library, program)
Adaptive library and program: Library for incremental computing. (algorithms, bsd3, library, program)
Adaptive-Blaisorblade library and program: Library for incremental computing. (bsd3, control, library, program)
Advgame program: Lisperati's adventure game in Lisp translated to Haskell (bsd3, game, program)
AesonBson library and test: Mapping between Aeson's JSON and Bson objects. (data, library)
Agata library: Generator-generator for QuickCheck (bsd3, deprecated, library, testing)
Agda library and programs: A dependently typed functional programming language and proof assistant (dependent-types, library, program)
Agda-executable program: Command-line program for type-checking and compiling Agda programs (dependent-types, deprecated, program)
AhoCorasick library: Aho-Corasick string matching algorithm (bsd3, library, text)
AlanDeniseEricLauren library, test and benchmark: Find the minimal subset/submap satisfying some property. (algorithms, bsd3, library)
AlgoRhythm library, program and test: Algorithmic music composition (algorithmic-music-composition, automatic-music-generation, bsd3, chaos-music, generative-music-grammars, library, program)
AlgorithmW program: Example implementation of Algorithm W for Hindley-Milner type inference. (bsd3, development, program)
AlignmentAlgorithms library: Collection of alignment algorithms (algorithms, bioinformatics, data-structures, gpl, library, linguistics)
Allure program and test: Near-future Sci-Fi roguelike and tactical squad game (agpl, game, program, roguelike)
AndroidViewHierarchyImporter program: Android view hierarchy importer (bsd3, development, program)
Animas library: Updated version of Yampa: a library for programming hybrid systems. (bsd3, frp, library, reactivity)
Annotations library and test: Constructing, analyzing and destructing annotated trees (bsd3, generics, library)
Ansi2Html program: Convert ANSI Terminal Sequences to nice HTML markup (bsd3, program, web)
ApplePush library and program: Library for Apple Push Notification Service (bsd3, library, network, program)
AppleScript : Call AppleScript from Haskell, and then call back into Haskell. (bsd3, foreign)
ApproxFun-hs library: Function approximation (bsd3, library, math)
ArrayRef library: Unboxed references, dynamic arrays and more (bsd3, data, library)
ArrowVHDL library: A library to generate Netlist code from Arrow descriptions. (library, public-domain, testing)
AspectAG library: Attribute Grammars in the form of an EDSL (development, library)
AttoBencode library and test: Fast Bencode encoding and parsing library (bsd3, data, library)
AttoJson library: Simple lightweight JSON parser, generator & manipulator based on ByteString (bsd3, deprecated, library, text)
Attrac program: Visualisation of Strange Attractors in 3-Dimensions (bsd3, graphics, program)
Aurochs program: Yet another parser generator for C/C++ (bsd3, development, program)
AutoForms library: GUI library based upon generic programming (SYB3) (gui, library)
AvlTree library: Balanced binary trees using the AVL algorithm. (bsd3, data-structures, library)
BASIC library: Embedded BASIC (bsd3, language, library)
BCMtools library and program: Big Contact Map Tools (bioinformatics, library, mit, program)
BNFC library, program and tests: A compiler front-end generator. (development, gpl, library, program)
BNFC-meta library: Deriving Parsers and Quasi-Quoters from BNF Grammars (development, gpl, library)
Baggins library: Tools for self-assembly (gpl, library, math)
Bang library: A Drum Machine DSL for Haskell (library, mit, sound)
Barracuda library and program: An ad-hoc P2P chat program (library, network, program)
Befunge93 program: An interpreter for the Befunge-93 Programming Language (bsd3, compilers-interpreters, program)
BenchmarkHistory library: Benchmark functions with history (benchmarking, gpl, library)
BerkeleyDB library: Berkeley DB binding (bsd3, database, library)
BerkeleyDBXML library: Berkeley DB XML binding (bsd3, database, library)
BerlekampAlgorithm library: Factorization of polynomials over finite field (bsd3, library, math)
BiGUL library: The Bidirectional Generic Update Language (generics, language, lenses, library, public-domain)
BigPixel program: Image editor for pixel art (bsd3, development, program)
Binpack library: Common bin-packing heuristics. (algorithms, bsd3, heuristics, library)
BioHMM library: Libary for Hidden Markov Models in HMMER3 format. (bioinformatics, gpl, library)
Biobase library: Base library for bioinformatics (bioinformatics, gpl, library)
BiobaseBlast library and test: BLAST-related tools (bioinformatics, gpl, library)
BiobaseDotP library: Vienna / DotBracket / ExtSS parsers (bioinformatics, gpl, library)
BiobaseFR3D library: Importer for FR3D resources (bioinformatics, gpl, library)
BiobaseFasta library and program: conduit-based FASTA parser (bioinformatics, gpl, library, program)
BiobaseInfernal library, program, test and benchmark: Infernal data structures and tools (bioinformatics, gpl, library, program)
BiobaseMAF library: Multiple Alignment Format (bioinformatics, gpl, library)
BiobaseNewick library, program and test: Newick file format parser. (bioinformatics, bsd3, library, program)
BiobaseTrainingData library and program: RNA folding training data (bioinformatics, gpl, library, program)
BiobaseTurner library: Import Turner RNA parameters (bioinformatics, gpl, library)
BiobaseTypes library and test: Collection of types for bioinformatics (bioinformatics, bsd3, data-structures, library)
BiobaseVienna library: Import Vienna energy parameters (bioinformatics, gpl, library)
BiobaseXNA library, program and test: Efficient RNA/DNA/Protein Primary/Secondary Structure (bioinformatics, gpl, library, program)
BirdPP program: A preprocessor for Bird-style Literate Haskell comments with Haddock markup. (development, program)
BitStringRandomMonad library and test: (bsd3, crypto, library)
BitSyntax library: A module to aid in the (de)serialisation of binary data (bsd3, library, serialization)
Bitly library: A library to access bit.ly URL shortener. (bsd3, deprecated, library, web)
BlastHTTP library: Libary to interface with the NCBI blast REST interface (bioinformatics, gpl, library)
Blobs library and program: Diagram editor (graphics, library, program)
BlogLiterately library and program: A tool for posting Haskelly articles to blogs (gpl, library, program, web)
BlogLiterately-diagrams library and program: Include images in blog posts with inline diagrams code (bsd3, library, program, web)
Blogdown library, program, test and benchmark: A markdown-like markup language designed for blog posts (agpl, library, program, web)
BluePrintCSS library: Html document layout library. (bsd3, deprecated, library, text, web)
Blueprint library: Preview of a new build system. (bsd3, distribution, library)
Bookshelf program and test: A simple document organizer with some wiki functionality (program, text)
Boolean library: Generalized booleans and numbers (bsd3, data, library)
BoundedChan library: Implementation of bounded channels. (bsd3, concurrency, library)
Bravo library: Static text template generation library (bsd3, library, text)
BufferedSocket library: A socker wrapper that makes the IO of sockets much cleaner (library, mit, network)
Buster program and test: Hits a set of urls periodically to bust caches (mit, program, web)
CBOR library and tests: Encode/Decode values to/from CBOR (data, lgpl, library)
CC-delcont library: Delimited continuations and dynamically scoped variables (control, library)
CC-delcont-alt library and test: Three new monad transformers for multi-prompt delimited control (bsd3, control, library)
CC-delcont-cxe library: A monad transformers for multi-prompt delimited control (bsd3, control, library)
CC-delcont-exc library: A monad transformers for multi-prompt delimited control (bsd3, control, library)
CC-delcont-ref library: A monad transformers for multi-prompt delimited control using refercence cells (bsd3, control, library)
CC-delcont-ref-tf library: A monad transformers for multi-prompt delimited control using refercence cells (bsd3, control, library)
CCA library and program: preprocessor and library for Causal Commutative Arrows (CCA) (bsd3, development, library, program)
CHXHtml library: A W3C compliant (X)HTML generating library (bsd3, library, web)
CLASE library: Cursor Library for A Structured Editor (bsd3, data, library)
CLI library and test: CLI tools (bsd3, data, library)
CMCompare library and program: Infernal covariance model comparison (bioinformatics, gpl, library, program)
CMQ library: cwmwl udp message queue (bsd3, library, system)
COrdering library: An algebraic data type similar to Prelude Ordering. (bsd3, data, library)
CPBrainfuck program: A simple Brainfuck interpretter. (bsd3, compilers-interpreters, program)
CPL program: An interpreter of Hagino's Categorical Programming Language (CPL). (bsd3, compilers-interpreters, program)
CSPM-CoreLanguage library: Definition of a CSP core-language. (bsd3, concurrency, formal-methods, language, library)
CSPM-FiringRules library: Firing rules semantic of CSPM (bsd3, concurrency, formal-methods, language, library)
CSPM-Frontend library: A CSP-M parser compatible with FDR-2.91 (bsd3, concurrency, formal-methods, language, library)
CSPM-Interpreter library: An interpreter for CSPM (bsd3, concurrency, formal-methods, language, library)
CSPM-ToProlog library: some modules specific for the ProB tool (bsd3, formal-methods, library)
CSPM-cspm library and program: cspm command line tool for analyzing CSPM specifications. (bsd3, concurrency, formal-methods, language, library, program)
CTRex library: Open records using closed type families. (bsd3, data, data-structures, library)
CV library: OpenCV based machine vision library (ai, graphics, library, machine-vision)
Cabal library and tests: A framework for packaging Haskell software (bsd3, distribution, library)
Cabal-ide-backend library and tests: A framework for packaging Haskell software (bsd3, distribution, library)
CabalSearch program: Search cabal packages by name (bsd3, program, utils)
Capabilities library: Separate and contain effects of IO monad. (bsd3, generics, library, security)
Cardinality library: Measure container capacity. Use it to safely change container. (data, library)
CarneadesDSL library: An implementation and DSL for the Carneades argumentation model. (ai, argumentation, bsd3, embedded, library)
CarneadesIntoDung library and program: A translation from the Carneades argumentation model into Dung's AFs. (ai, argumentation, bsd3, embedded, library, program)
Cartesian library: Coordinate systems (library, math, mit)
Cascade library: Playing with reified categorical composition (control, library, public-domain)
Cassava library and test: A CSV parsing and encoding library (bsd3, csv, library, text, web)
Catana library: A monad for complex manipulation of a stream. (bsd3, control, library)
ChannelT library: Generalized stream processors (bsd3, control, enumerator, iteratee, library, pipes, proxies)
Chart library: A library for generating 2D Charts and Plots (bsd3, graphics, library)
Chart-cairo library: Cairo backend for Charts. (bsd3, graphics, library)
Chart-diagrams library: Diagrams backend for Charts. (bsd3, graphics, library)
Chart-gtk library: Utility functions for using the chart library with GTK (bsd3, graphics, library)
Chart-simple library: A wrapper for the chart library to assist with basic plots (Deprecated - use the Easy module instead) (bsd3, deprecated, graphics, library)
ChasingBottoms library and test: For testing partial and infinite values. (library, mit, testing)
CheatSheet program: A Haskell cheat sheet in PDF and literate formats. (bsd3, help, program)
Checked library: Inbuilt checking for ultra reliable computing (bsd3, data, library)
Chitra program: A platform independent mechanism to render graphics using vnc. (bsd3, graphics, program)
ChristmasTree library: Alternative approach of 'read' that composes grammars instead of parsers. (library, parsing)
CirruParser library: Cirru Parser in Haskell (deprecated, library, mit, text)
Clash-Royale-Hack-Cheats library and tests: spam (bsd3, deprecated, library, web)
ClassLaws library: Stating and checking laws for type class methods (bsd3, library, testing)
ClassyPrelude library: Prelude replacement using classes instead of concrete types where reasonable (bsd3, control, data, library)
Clean library: A light, clean and powerful utility library (bsd3, control, deprecated, library)
Clipboard library: System clipboard interface. (bsd3, library, system)
ClustalParser library, program and test: Libary for parsing Clustal tools output (bioinformatics, gpl, library, program)
Coadjute library: A generic build tool (bsd3, deprecated, development, library)
Codec-Compression-LZF library: LZF compression bindings. (bsd3, codec, library)
Codec-Image-DevIL library: An FFI interface to the DevIL library (bsd3, codecs, library)
Combinatorrent program: A concurrent bittorrent client (bsd3, network, program)
Command library: A replacement for System.Exit and System.Process (bsd3, deprecated, library, system)
Commando library and program: Watch some files; Rerun a command (development, library, mit, program)
ComonadSheet library: A library for expressing spreadsheet-like computations as the fixed-points of comonads. (bsd3, control, library)
Compactable library: A generalization for containers that can be stripped of Nothing (bsd3, control, deprecated, library)
Concurrent-Cache library: A Cached variable for IO functions. (bsd3, concurrency, library)
ConcurrentUtils library: Concurrent utilities (concurrency, gpl, library)
Concurrential library: Mix concurrent and sequential computation (bsd3, control, library)
Condor library, program and test: Information retrieval library (bsd3, library, program, search, text)
ConfigFile library: Configuration file reading & writing (bsd3, library, parsing)
ConfigFileTH library: Template haskell for reading ConfigFiles. (library, parsing, template-haskell)
Configger library: Parse config files (configuration, library, mit)
Configurable library: Declare types as Configurable then specialize them all in one place (control, library, mit)
ConsStream library: Trivial re-export of Wouter Swierstra's Stream package, avoiding module name clash. (bsd3, data, library)
Conscript program: Restart a command on STDIN activity (mit, program, system)
ConstraintKinds library: Repackages standard type classes with the ConstraintKinds extension (bsd3, control, library)
Consumer library: A monad and monad transformer for consuming streams (bsd3, library, monads)
ContArrow library: Control.Arrow.Transformer.Cont (bsd3, control, library)
ContextAlgebra program: Implementation of the context algebra. (bsd3, math, program)
Contract library: Practical typed lazy contracts. (bsd3, development, library)
Control-Engine library: A parallel producer/consumer engine (thread pool) (bsd3, control, deprecated, library)
Control-Monad-MultiPass library and test: A Library for Writing Multi-Pass Algorithms. (bsd3, control, library)
Control-Monad-ST2 library and test: A variation on the ST monad with two type parameters. (bsd3, control, library)
CoreDump library: A GHC plugin for printing GHC's internal Core data structures. (bsd3, ghc, library)
CoreErlang library: Manipulating Core Erlang source code (bsd3, language, library)
CoreFoundation library: Bindings to Mac OSX's CoreFoundation framework (bsd3, library, system)
Coroutine library: Type-safe coroutines using lightweight session types. (bsd3, control, library)
CouchDB library and test: CouchDB interface (bsd3, database, library)
Craft3e library and programs: Code for Haskell: the Craft of Functional Programming, 3rd ed. (education, library, mit, program)
Crypto library and programs: Collects together existing Haskell cryptographic functions into a package (codec, cryptography, library, program)
CurryDB library, programs, tests and benchmark: CurryDB: In-memory Key/Value Database (bsd3, database, library, program)
DAG-Tournament program: Real-Time Game Tournament Evaluator (game, program)
DAV library and program: RFC 4918 WebDAV support (gpl, library, program, web)
DBlimited program: A command-line SQL interface for flat files (tdf,csv,etc.) (bsd3, database, program)
DBus library: D-Bus bindings (bsd3, desktop, library, network)
DCFL library: Communication Free Learning-based constraint solver (data, library, mit)
DMuCheck program: Distributed Mutation Analysis framework for MuCheck (gpl, program, testing)
DOH library and test: Complete API bindings for DigitalOcean API V2 (library, mit, network)
DOM library: DOM Level 2 bindings for the WebBits package. (bsd3, library, web)
DP library: Pragmatic framework for dynamic programming (algorithms, bsd3, library, math, natural-language-processing)
DPM library and program: Darcs Patch Manager (development, library, program)
DPutils library, test and benchmark: utilities for DP (bsd3, data, library)
DRBG library and test: Deterministic random bit generator (aka RNG, PRNG) based HMACs, Hashes, and Ciphers. (bsd3, cryptography, library)
DSA library and test: Implementation of DSA, based on the description of FIPS 186-4 (bsd3, codec, cryptography, library)
DSH library and program: Database Supported Haskell (bsd3, database, library, program)
DSTM library and programs: A framework for using STM within distributed systems (distributed-computing, library, program)
DTC library: Data To Class transformation. (bsd3, language, library)
Dangerous library: Monads for operations that can exit early and produce warnings (error-handling, library, mit)
Dao library, program and test: Dao is meta programming language with its own built-in interpreted language, designed with artificial intelligence applications in mind. (gpl, library, program, unclassified)
DarcsHelpers library: Code used by Patch-Shack that seemed sensible to open for reusability (library, web)
Data-Angle library: Geometric angles (bsd3, data, library, math)
Data-Hash-Consistent library: Provide a simple consistent hashing mechanism (bsd3, data, library)
Data-Rope library: Ropes, an alternative to (Byte)Strings. (data, deprecated, library)
DataIndex library, program, test and benchmark: A package for adding index column to data files (data, library, mit, program)
DataTreeView library: A GTK widget for displaying arbitrary Data.Data.Data instances (bsd3, debug, development, gui, library)
Deadpan-DDP library, program and test: Write clients for Meteor's DDP Protocol (library, mit, program, unclassified)
DebugTraceHelpers library: Convenience functions and instances for Debug.Trace (debug, library)
Decimal library and test: Decimal numbers with variable precision (bsd3, library, math)
DecisionTree library: A very simple implementation of decision trees for discrete attributes. (algorithms, library, pattern-classification)
DeepArrow library: Arrows for "deep application" (bsd3, combinators, control, library)
DeepDarkFantasy library and tests: A DSL for creating neural network. (dsl, library)
DefendTheKing programs: A simple RTS game (frp, game, program)
Delta-Lambda program and test: A demonstration interpreter for type system delta-lambda (of N.G. De-bruijn) (compilers-interpreters, mit, program)
DescriptiveKeys library: A library for specifying xmonad key bindings with functionality. (bsd3, library, system)
Dflow library and test: Processing Real-time event streams (bsd3, library, reactivity)
Diff library and test: O(ND) diff algorithm in haskell. (algorithms, bsd3, library)
DifferenceLogic library: A theory solver for conjunctions of literals in difference logic (bsd3, library, math)
DifferentialEvolution library: Global optimization using Differential Evolution (algorithms, library, mit, numerical, optimization)
Digit library: A data-type representing digits 0-9 (bsd3, data, deprecated, library)
DigitalOcean library and test: A client library for the DigitalOcean API (agpl, library, network)
DimensionalHash library: An n-dimensional hash using Morton numbers. (algorithms, bsd3, data, library)
DirectSound library: Partial binding to the Microsoft DirectSound API. (bsd3, library, sound)
DisTract library and programs: Distributed Bug Tracking System (bsd3, library, program, system)
DiscussionSupportSystem library and test: Discussion support system (gpl, library, system)
Dish library and program: Hash modules (currently Murmur3) (bsd3, data, library, program)
Dist library and test: A Haskell library for probability distributions (library, math, mit)
DistanceTransform library and test: Distance transform function. (bsd3, library, math)
DistanceUnits library: A comprehensive distance library (bsd3, data, library)
DnaProteinAlignment library and program: Frameshift-aware alignment of protein sequences with DNA sequences (bioinformatics, gpl, library, program)
DocTest program: Test interactive Haskell examples (deprecated, mit, program, testing)
Docs library: Documentation types library. (bsd3, documentation, library)
DrHylo library and program: A tool for deriving hylomorphisms (bsd3, language, library, program)
DrIFT library and programs: Program to derive type class instances (bsd3, data-structures, library, program)
DrIFT-cabalized programs: Program to derive type class instances (bsd3, data-structures, deprecated, program)
Dung library and program: An implementation of the Dung argumentation frameworks. (ai, argumentation, bsd3, embedded, library, program)
Dust library and test: Polymorphic protocol engine (library, network)
Dust-crypto library and test: Cryptographic operations (cryptography, library)
Dust-tools library and programs: Network filtering exploration tools (library, network, program)
Dust-tools-pcap programs: Network filtering exploration tools that rely on pcap (network, program)
DynamicTimeWarp library and programs: Dynamic time warping of sequences. (data, lgpl, library, program)
DysFRP library: dysFunctional Reactive Programming (bsd3, frp, library)
DysFRP-Cairo library: dysFunctional Reactive Programming on Cairo (bsd3, frp, library)
DysFRP-Craftwerk library: dysFunctional Reactive Programming on Craftwerk (bsd3, frp, library)
EEConfig library: ExtremlyEasyConfig - Extremly Simple parser for config files (bsd3, library, parsing)
Earley library, test and benchmark: Parsing all context-free grammars using Earley's algorithm. (bsd3, library, parsing)
Ebnf2ps program: Peter's Syntax Diagram Drawing Tool (bsd3, language, program)
EdisonAPI library: A library of efficient, purely-functional data structures (API) (data-structures, library, mit)
EdisonCore library: A library of efficient, purely-functional data structures (Core Implementations) (data-structures, library, mit)
EditTimeReport program: Query language and report generator for edit logs. (program, utils)
Eight-Ball-Pool-Hack-Cheats library and tests: spam (bsd3, deprecated, library, web)
EitherT library: EitherT monad transformer (bsd3, control, deprecated, library)
Elm library, programs and tests: The Elm language module. (bsd3, compiler, deprecated, language, library, program)
Emping program: derives heuristic rules from nominal data (data-mining, program)
Empty library: A type class for empty containers (bsd3, control, library)
Encode library and programs: Encoding character data (codec, library, program, text)
EntrezHTTP library: Libary to interface with the NCBI Entrez REST service. (bioinformatics, gpl, library)
EnumContainers library: Simple Enum-class-based int containers (bsd3, data, library)
EnumMap library: More general IntMap replacement. (bsd3, data-structures, library)
Eq program: Render math formula in ASCII, and perform some simplifications (bsd3, deprecated, language, math, program)
EqualitySolver library: A theory solver for conjunctions of literals in the theory of uninterpreted functions with equality (bsd3, library, math)
EsounD library: Type-safe bindings to EsounD (ESD; Enlightened Sound Daemon) (library, public-domain, sound)
EstProgress library: Methods for estimating the progress of functions (bsd3, data, library)
EtaMOO program: A new implementation of the LambdaMOO server (bsd3, network, program)
Etage library: A general data-flow framework (ai, control, lgpl, library)
Etage-Graph library and program: Data-flow based graph algorithms (data-structures, lgpl, library, program)
Eternal10Seconds program: A 2-D shooting game (bsd3, game, program)
Etherbunny library and program: A network analysis toolkit for Haskell (library, network, program)
EuroIT library: Library for using euro currency, italian language (bsd3, data, library)
Euterpea library: Library for computer music research and education (bsd3, library, sound)
EventSocket library: Interfaces with FreeSwitch Event Socket. (bsd3, library, network)
Extra library: A grab bag of modules. (bsd3, deprecated, library, unclassified)
FComp library and program: Compose music (gpl, library, music, program)
FM-SBLEX programs: A set of computational morphology tools for Swedish diachronic lexicons. (natural-language-processing, program)
FModExRaw library: The Haskell FModEx raw API. (deprecated, gpl, library, sound)
FPretty library: Efficient simple pretty printing combinators (bsd3, library, text.prettyprint)
FTGL library: Portable TrueType font rendering for OpenGL using the Freetype2 library (bsd3, graphics, library)
FTGL-bytestring library: Portable TrueType font rendering for OpenGL using the Freetype2 library (bsd3, graphics, library)
FTPLine program: A command-line FTP client. (bsd3, network, program)
Facebook-Password-Hacker-Online-Latest-Version library and tests: spam (bsd3, deprecated, library, web)
Facts library: A collection of facts about the real world. (bsd3, factual, library)
FailureT library: Failure Monad Transformer (control, deprecated, failure, library, public-domain)
FastPush library: A monad and monad transformer for pushing things onto a stack very fast. (bsd3, control, library)
FastxPipe library: Fasta and Fastq streaming (bsd3, deprecated, library, unclassified)
FenwickTree library and test: Data structure for fast query and update of cumulative sums (bsd3, data-structures, library)
FermatsLastMargin program: Annotate ps and pdf documents (program, web)
FerryCore library: Ferry Core Components (bsd3, database, library)
Feval program: Evaluation using F-Algebras (language, mit, program)
FieldTrip library: Functional 3D (bsd3, graphics, library)
FileManip library: Expressive file and directory manipulation for Haskell. (bsd3, deprecated, library, system)
FileManipCompat library: Expressive file and directory manipulation for Haskell. (bsd3, library, system)
FilePather library: Functions on System.FilePath (bsd3, deprecated, library, system)
FileSystem library: File system data structure and monad transformer. (bsd3, library, system)
Files library, program and test: File content extraction/rearrangement (io, library, mit, program)
Fin library: Finite totally-ordered sets (bsd3, data, library)
Finance-Quote-Yahoo library: Obtain quote data from finance.yahoo.com (bsd3, library, web)
Finance-Treasury library: Obtain Treasury yield curve data (bsd3, library, web)
FindBin library: Locate directory of original program (bsd3, library, system)
FiniteMap library: A finite map implementation, derived from the paper: Efficient sets: a balancing act, S. Adams, Journal of functional programming 3(4) Oct 1993, pp553-562 (bsd4, data, deprecated, library)
FirstOrderTheory library: Grammar and typeclass for first order theories (bsd3, library, math)
FixedPoint-simple library: Fixed point, large word, and large int numerical representations (types and common class instances) (bsd3, data, library)
Flippi program: Wiki (bsd3, program, text)
FloatingHex library: Read and write hexadecimal floating point numbers (bsd3, library, tools)
Focus library: Tools for focusing in on locations within numbers (data, library, mit)
Folly library and programs: A first order logic library in Haskell (bsd3, library, program, theorem-provers)
FontyFruity library: A true type file format loader (bsd3, font, graphics, library, text)
ForSyDe library: ForSyDe's Haskell-embedded Domain Specific Language. (bsd3, hardware, language, library)
ForestStructures library, test and benchmark: Tree- and forest structures (bioinformatics, bsd3, formal-languages, library)
Forestry library, test and benchmark: Comparison of trees and forests. (bioinformatics, bsd3, formal-languages, library)
ForkableT library: Forkable monad transformers (bsd3, control, library)
FormalGrammars library, program and test: (Context-free) grammars in formal language theory (bioinformatics, formal-languages, gpl, library, program)
Fortnite-Hack-Cheats-Free-V-Bucks-Generator library and tests: spam (bsd3, deprecated, library, web)
Foster program and benchmark: Utilities to generate and solve puzzles (data, mit, program)
FpMLv53 library: A binding for the Financial Products Markup Language (v5.3) (financial, library, xml)
FractalArt program: Generates colorful wallpapers (graphics, mit, program)
Fractaler program: (graphics, mit, program)
Frames library, tests and benchmark: Data frames For working with tabular data files (bsd3, data, library)
Frank program: An experimental programming language with typed algebraic effects (languages, program, public-domain)
FreeTypeGL library: Loadable texture fonts for OpenGL. (bsd3, deprecated, graphics, library)
FunGEn library and programs: A lightweight, cross-platform, OpenGL/GLUT-based game engine. (bsd3, game, library, program)
Fungi program: Funge-98 interpreter written in Haskell (bsd3, compilers-interpreters, program)
GA library: Genetic algorithm library (ai, algorithms, bsd3, library, optimisation)
GGg program: GGg cipher (mit, program, text)
GHood library: A graphical viewer for Hood (bsd3, debug, library)
GLFW library: A Haskell binding for GLFW (bsd3, graphics, library)
GLFW-OGL library: A binding for GLFW (OGL) (bsd3, graphics, library)
GLFW-b library and test: Bindings to GLFW OpenGL library (bsd3, graphics, library)
GLFW-b-demo program: GLFW-b demo (bsd3, graphics, program)
GLFW-task library: GLFW utility functions to use together with monad-task. (bsd3, graphics, library)
GLHUI library: Open OpenGL context windows in X11 with libX11 (bsd3, graphics, library)
GLM library, programs and test: Simple Gridlab-D GLM parser and utilities. (language, library, mit, program)
GLMatrix library: Utilities for working with OpenGL matrices (gpl, graphics, library)
GLURaw library: A raw binding for the OpenGL graphics system (bsd3, graphics, library)
GLUT library: A binding for the OpenGL Utility Toolkit (bsd3, graphics, library)
GLUtil library: Miscellaneous OpenGL utilities. (bsd3, graphics, library)
GPX library: Parse GPX files (bsd3, library, utils)
GPipe library: Typesafe functional GPU graphics programming (graphics, library, mit)
GPipe-Collada library: Load GPipe meshes from Collada files (bsd3, graphics, library)
GPipe-Examples programs: Examples for the GPipes package (graphics, program)
GPipe-GLFW library: GLFW OpenGL context creation for GPipe (graphics, library, mit)
GPipe-TextureLoad library: Load GPipe textures from filesystem (bsd3, graphics, library)
GTALib library and test: A library for GTA programming (bsd3, language, library)
Gamgine library: Some kind of game library or set of utilities. (bsd3, library)
Ganymede program: An Io interpreter in Haskell. (bsd3, language, program)
GaussQuadIntegration library: Non-adaptive Gaussian quadrature for numeric integraton (bsd3, library, math)
GeBoP program: Several games (bsd3, game, program)
GenI library, program and test: A natural language generator (specifically, an FB-LTAG surface realiser) (library, natural-language-processing, program)
GenSmsPdu program: Automatic SMS message generator (bsd3, program, testing)
Genbank library and program: Libary for processing the NCBI genbank format (bioinformatics, library, program)
Gene-CluEDO library, program and test: Hox gene clustering (bioinformatics, gpl, library, program)
GeneralTicTacToe program: A general TicTacToe game implementation. (game, mit, program)
GenericPretty library: A generic, derivable, haskell pretty printer. (bsd3, generics, library, pretty-printer, text)
GenussFold library, program and test: MCFGs for Genus-1 RNA Pseudoknots (bioinformatics, formal-languages, gpl, library, program)
GeoIp library: Pure bindings for the MaxMind IP database. (library, network)
GeocoderOpenCage library: Geocoder and Reverse Geocoding Service Wrapper (library, web)
Geodetic library: Geodetic calculations (bsd3, deprecated, library, utils)
GeomPredicates library: Geometric predicates (bsd3, library, math)
GeomPredicates-SSE library: Geometric predicates (Intel SSE) (bsd3, library, math)
Get library and test: get stuff out of stuff (bsd3, control, library)
GiST library: A Haskell implementation of a Generalized Search Tree (GiST) (data-structures, library)
Gifcurry library and programs: GIF creation utility. (application, bsd3, graphics, library, program)
GiveYouAHead library: to auto-do somethings (giveyouahead, library, mit)
Glob library and test: Globbing library (bsd3, library, system)
GlomeTrace library: Ray Tracing Library (graphics, library)
GlomeVec library: Simple 3D vector library (graphics, library)
GlomeView program: SDL Frontend for Glome ray tracer (graphics, program)
GoogleChart library: Generate web-based charts using the Google Chart API (bsd3, graphics, library)
GoogleCodeJam library: A monad for flexible parsing of Google Code Jam input files with automatic parallelization. (library, mit, text)
GoogleDirections library: Haskell Interface to Google Directions API (bsd3, library, network)
GoogleSB library: Interface to Google Safe Browsing API (bsd3, library, security)
GoogleSuggest library: Interface to Google Suggest API (browser, gpl, library)
GoogleTranslate library: Interface to Google Translate API (gpl, language, library)
GotoT-transformers library: A monad and monadic transformer providing "goto" functionality (bsd3, control, library)
Grafos library: Grafos Haskell (bsd3, library, unclassified)
GrammarProducts library: Grammar products and higher-dimensional grammars (bioinformatics, formal-languages, gpl, library)
Graph500 library and program: Graph500 benchmark-related definitions and data set generator. (concurrency, gpl, library, program)
GraphHammer library: GraphHammer Haskell graph analyses framework inspired by STINGER. (concurrency, gpl, library)
GraphHammer-examples library and program: Test harness for TriangleCount analysis. (concurrency, gpl, library, program)
GraphSCC library: Tarjan's algorithm for computing the strongly connected components of a graph. (algorithms, bsd3, library)
Graphalyze library: Graph-Theoretic Analysis library. (algorithms, graphs, library)
Grempa library: Embedded grammar DSL and LALR parser generator (bsd3, library, parsing)
GroteTrap library and test: Parser and selection library for expression languages. (bsd3, language, library)
Grow library: A declarative make-like interpreter. (build, library)
GrowlNotify library and program: Notification utility for Growl. (bsd3, library, network, program)
Gtk2hsGenerics library: Convenience functions to extend Gtk2hs. (gui, library)
GtkGLTV library: OpenGL support for Gtk-based GUIs for Tangible Values (bsd3, library, user-interfaces)
GtkTV library: Gtk-based GUIs for Tangible Values (bsd3, library, user-interfaces)
GuiHaskell program: A graphical REPL and development environment for Haskell (bsd3, development, program)
GuiTV library: GUIs for Tangible Values (bsd3, interfaces, library, user-interfaces)
H program: The Haskell/R mixed programming environment. (bsd3, ffi, program)
HARM library and programs: A simple ARM emulator in haskell (compilers-interpreters, library, program)
HAppS-Data library: HAppS data manipulation libraries (bsd3, deprecated, distributed-computing, library, web)
HAppS-IxSet library: (bsd3, deprecated, distributed-computing, library, web)
HAppS-Server library: Web related tools and services. (bsd3, deprecated, distributed-computing, library, web)
HAppS-State library: Event-based distributed state. (bsd3, deprecated, distributed-computing, library, web)
HAppS-Util library: Web framework (bsd3, deprecated, distributed-computing, library, web)
HAppSHelpers library: OBSOLETE. Please use happstack-helpers (bsd3, deprecated, library, web)
HCL library and program: High-level library for building command line interfaces. (bsd3, library, program, user-interfaces)
HCard library: A library for implementing a Deck of Cards (bsd3, game, library)
HCodecs library and test: A library to read, write and manipulate MIDI, WAVE, and SoundFont2 files. (bsd3, codec, library)
HDBC library: Haskell Database Connectivity (bsd3, database, library)
HDBC-mysql library: MySQL driver for HDBC (database, library)
HDBC-odbc library: ODBC driver for HDBC (bsd3, database, library)
HDBC-postgresql library: PostgreSQL driver for HDBC (bsd3, database, library)
HDBC-postgresql-hstore library: Manipulate data in PostgreSQL "hstore" columns. (database, deprecated, library, mit)
HDBC-session library: Bracketed connection for HDBC (bsd3, database, library)
HDBC-sqlite3 library: Sqlite v3 driver for HDBC (bsd3, database, library)
HDRUtils library: Utilities for reading, manipulating, and writing HDR images (bsd3, graphics, library)
HERA library: (bsd3, library, math)
HFitUI library, program and test: The library for generating a graphical interface on the web (bsd3, library, program, web)
HFrequencyQueue library: A Queue with a random (weighted) pick function (data, gpl, library)
HFuse library: HFuse is a binding for the Linux FUSE library. (bsd3, library, system)
HGE2D library, programs and test: 2D game engine written in Haskell (game, library, mit, program)
HGL library: A simple graphics library based on X11 or Win32 (bsd3, graphics, library)
HGamer3D library: Toolset for the Haskell Game Programmer (game-engine, library)
HGamer3D-API library: Library to enable 3D game development for Haskell - API (deprecated, game, library)
HGamer3D-Audio library: Toolset for the Haskell Game Programmer - Audio Functionality (deprecated, game-engine, library)
HGamer3D-Bullet-Binding library: Windows Game Engine for the Haskell Programmer - Bullet Bindings (deprecated, game-engine, library, physics)
HGamer3D-CAudio-Binding library: Library to enable 3D game development for Haskell - cAudio Bindings (deprecated, game, library)
HGamer3D-CEGUI-Binding library: A Toolset for the Haskell Game Programmer - CEGUI Bindings (deprecated, game-engine, gui, library)
HGamer3D-Common library: Toolset for the Haskell Game Programmer - Game Engine and Utilities (deprecated, game-engine, library)
HGamer3D-Data library: Toolset for the Haskell Game Programmer - Data Definitions (deprecated, game-engine, library)
HGamer3D-Enet-Binding library: Enet Binding for HGamer3D (deprecated, game-engine, library, network)
HGamer3D-GUI library: GUI Functionality for HGamer3D (deprecated, game-engine, library)
HGamer3D-Graphics3D library: Toolset for the Haskell Game Programmer - 3D Graphics Functionality (deprecated, game-engine, library)
HGamer3D-InputSystem library: Joystick, Mouse and Keyboard Functionality for HGamer3D (deprecated, game-engine, library)
HGamer3D-Network library: Networking Functionality for HGamer3D (deprecated, game-engine, library)
HGamer3D-OIS-Binding library: Library to enable 3D game development for Haskell - OIS Bindings (deprecated, game, library)
HGamer3D-Ogre-Binding library: Ogre Binding for HGamer3D (deprecated, game-engine, graphics, library)
HGamer3D-SDL2-Binding library: SDL2 Binding for HGamer3D (deprecated, game-engine, library)
HGamer3D-SFML-Binding library: SFML Binding for HGamer3D (audio, deprecated, game-engine, graphics, library)
HGamer3D-WinEvent library: Windowing and Event Functionality for HGamer3D (deprecated, game-engine, library)
HGamer3D-Wire library: Wire Functionality for HGamer3D (deprecated, game-engine, library)
HGraphStorage library, test and benchmark: Graph database stored on disk (bsd3, database, library)
HHDL library: Hardware Description Language embedded in Haskell. (bsd3, hardware, library)
HJScript library: HJScript is a Haskell EDSL for writing JavaScript programs. (bsd3, language, library, web)
HJVM library and test: A library to create a Java Virtual Machine and manipulate Java objects (bsd3, language, library)
HJavaScript library: HJavaScript is an abstract syntax for a typed subset of JavaScript. (bsd3, language, library)
HLearn-algebra library: Algebraic foundation for homomorphic learning (bsd3, data-mining, deprecated, library, machine-learning)
HLearn-approximation library: (bsd3, data-mining, data-structures, deprecated, library, machine-learning)
HLearn-classification library: (bsd3, data-mining, deprecated, library, machine-learning)
HLearn-datastructures library: (bsd3, data-mining, data-structures, deprecated, library, machine-learning)
HLearn-distributions library: Distributions for use with the HLearn library (bsd3, data-mining, deprecated, library, machine-learning, statistics)
HList library and tests: Heterogeneous lists (data, library, mit)
HListPP program: A preprocessor for HList labelable labels (bsd3, development, program)
HLogger library and program: Simple, concurrent and easy-to-use logging library (bsd3, concurrency, deprecated, library, logging, program)
HMM library: A hidden markov model library (algorithms, bsd3, data-mining, library, machine-learning)
HMap library: Fast heterogeneous maps and unconstrained typeable-like functionality. (bsd3, data, data-structures, library)
HMarkov library and test: Markov-generated sequences (bsd3, library, text)
HNM library and program: Happy Network Manager (bsd3, library, network, program, system)
HODE library: Binding to libODE (bsd3, game, library, physics)
HOpenCV library and program: A binding for the OpenCV computer vision library (ai, gpl, graphics, library, program)
HPDF library and test: Generation of PDF documents (bsd3, graphics, library)
HPath library and program: Extract Haskell declarations by name. (bsd3, library, program, source-tools, text)
HPhone library and test: Phone number parser and validator - This is now DEPRECATED! (deprecated, library, text)
HPi library: GPIO, I2C and SPI functions for the Raspberry Pi. (bsd3, library, system)
HPlot library and program: A minimal monadic PLplot interface for Haskell (bsd3, foreign, graphics, library, program)
HPong program: A simple OpenGL Pong game based on GLFW (game, program)
HROOT library: Haskell binding to the ROOT data analysis framework (graphics, lgpl, library, math, numerical, statistics)
HROOT-core library: Haskell binding to ROOT Core modules (graphics, lgpl, library, math, numerical, statistics)
HROOT-graf library: Haskell binding to ROOT Graf modules (graphics, lgpl, library, math, numerical, statistics)
HROOT-hist library: Haskell binding to ROOT Hist modules (graphics, lgpl, library, math, numerical, statistics)
HROOT-io library: Haskell binding to ROOT IO modules (graphics, lgpl, library, math, numerical, statistics)
HROOT-math library: Haskell binding to ROOT Math modules (graphics, lgpl, library, math, numerical, statistics)
HROOT-tree library: Haskell binding to ROOT Tree modules (graphics, lgpl, library, math, numerical, statistics)
HRay program: Haskell raytracer (bsd3, graphics, program)
HSFFIG library and programs: Generate FFI import declarations from C include files (bsd3, ffi-tools, library, program)
HSGEP library and program: Gene Expression Programming evolutionary algorithm in Haskell (ai, bsd3, library, program)
HSH library: Library to mix shell scripting with Haskell programs (library, system)
HSHHelpers library: Convenience functions that use HSH, instances for HSH. (library, system)
HSet library: Faux heterogeneous sets (bsd3, data, library)
HSlippyMap library: OpenStreetMap Slippy Map (bsd3, geography, library)
HSmarty library and test: Small template engine (bsd3, library, text)
HSoM library: Library for computer music education (bsd3, library, sound)
HSoundFile library: Audio file reading/writing (bsd3, codecs, deprecated, library, sound)
HStringTemplate library: StringTemplate implementation in Haskell. (bsd3, library, text)
HStringTemplateHelpers library: Convenience functions and instances for HStringTemplate (library, text)
HSvm library: Haskell Bindings for libsvm (bsd3, classification, datamining, library)
HTF library, program and tests: The Haskell Test Framework (lgpl, library, program, testing)
HTTP library and test: A library for client-side HTTP (bsd3, library, network)
HTTP-Simple library: DEPRECATED Enable simple wrappers to Network.HTTP (bsd3, deprecated, library, network)
HTab program: Tableau based theorem prover for hybrid logics (program, theorem-provers)
HTicTacToe program: An SDL tic-tac-toe game. (game, graphics, mit, program)
HUnit library and test: A unit testing framework for Haskell (bsd3, library, testing)
HUnit-Diff library: Assertions for HUnit with difference reporting (bsd3, deprecated, library, testing)
HUnit-Plus library and test: A test framework building on HUnit. (bsd3, library, test, testing)
HUnit-approx library and test: Approximate equality for floating point numbers with HUnit (bsd3, library, testing)
HXMPP library and program: A (prototyped) easy to use XMPP library (bsd3, deprecated, library, network, program)
HXQ library: A Compiler from XQuery to Haskell (bsd3, library, xml)
HaLeX library and program: HaLeX enables modelling, manipulation and visualization of regular languages (data, library, program, public-domain)
HaMinitel library: An Haskell library to drive the french Minitel through a serial port (gpl, library, terminal)
HaPy library: Haskell bindings for Python (foreign, library, mit)
HaRe : the Haskell Refactorer. (bsd3, development, refactoring)
HaTeX library and tests: The Haskell LaTeX library. (bsd3, latex, library)
HaTeX-meta program: This package is deprecated. From version 3, HaTeX does not need this anymore. (bsd3, deprecated, program, text)
HaTeX-qq library: Quasiquoters for HaTeX (bsd3, library, text)
HaVSA library and program: An implementation of the Version Space Algebra learning framework. (ai, bsd3, library, program)
HaXml library and programs: Utilities for manipulating XML documents (library, program, text, xml)
Hach library and programs: Simple chat (library, mit, network, program)
HackMail library and program: A Procmail Replacement as Haskell EDSL (bsd3, library, network, program)
Haggressive library and test: Aggression analysis for Tweets on Twitter (gpl, library, web)
HandlerSocketClient library: Haskell implementation of a HandlerSocket client (API). (bsd3, database, library)
HandsomeSoup library and test: Work with HTML more easily in HXT (bsd3, library, text)
Hangman program and test: The classic game of Hangman. (game, gpl, program)
HappyTree library and test: Type Safe and End to End Decision Tree (bsd3, data, library)
HarmTrace program: Harmony Analysis and Retrieval of Music (gpl, music, program)
HarmTrace-Base library and test: Parsing and unambiguously representing musical chords. (lgpl, library, music)
HasCacBDD library and tests: Haskell bindings for CacBDD (data, gpl, library)
HasGP library: A Haskell library for inference using Gaussian processes (ai, classification, datamining, gpl, library, statistics)
Haschoo program: Minimalist R5RS Scheme interpreter (bsd3, compilers-interpreters, deprecated, program)
Hashell program: Simple shell written in Haskell (program, user-interfaces)
HaskRel library: HaskRel, Haskell as a DBMS with support for the relational algebra (database, gpl, library)
HaskellForMaths library: Combinatorics, group theory, commutative algebra, non-commutative algebra (bsd3, library, math)
HaskellLM library: Pure Haskell implementation of the Levenberg-Marquardt algorithm (library, math)
HaskellNN library: High Performance Neural Network in Haskell (ai, library)
HaskellNet library: Client support for POP3, SMTP, and IMAP (bsd3, library, network)
HaskellNet-SSL library: Helpers to connect to SSL/TLS mail servers with HaskellNet (bsd3, library, network)
HaskellTorrent program: A concurrent bittorrent client (bsd3, network, program)
HaskellTutorials program: Haskell Tutorials by Evgeny Ukhanov (mit, program, tutorials)
Haskelloids program: A reproduction of the Atari 1979 classic "Asteroids" (bsd3, game, program)
Hastodon library: mastodon client module for Haskell (library, mit, web)
Hate library and programs: A small 2D game framework. (graphics, library, mit, program)
Hawk library: Haskell Web Application Kit (bsd3, library, web)
Hayoo programs: The Hayoo! search engine for Haskell API search on hackage (data, mit, program, text)
Hclip library: A small cross-platform library for reading and modifying the system clipboard. (bsd3, library, system)
Hedi library and program: Line oriented editor (bsd3, editor, library, program)
HerbiePlugin library and tests: automatically improve your code's numeric stability (bsd3, library, math)
Hermes library: Message-based middleware layer (bsd3, deprecated, library, middleware, network)
Hieroglyph library: Purely functional 2D graphics for visualization. (bsd3, graphics, library)
HiggsSet library: A multi-index set with advanced query capabilites (bsd3, data, deprecated, library)
Hipmunk library: A Haskell binding for Chipmunk. (deprecated, game, library, physics)
Hipmunk-Utils library and test: Useful functions for Hipmunk (bsd3, game, library, physics)
HipmunkPlayground program: A playground for testing Hipmunk. (game, physics, program)
Hish library and program: (bsd3, command-line, console, library, program, shell)
Histogram library: (bsd3, charts, library)
Hmpf program: An MPD client designed for a Home Theatre PC (application, program)
Hoed library and tests: Lightweight algorithmic debugging. (bsd3, debug, library, trace)
HoleyMonoid library: Monoids with holes. (bsd3, data-structures, library)
Holumbus-Distribution library and programs: intra- and inter-program communication (distributed-computing, library, network, program)
Holumbus-MapReduce library and programs: a distributed MapReduce framework (distributed-computing, library, program)
Holumbus-Searchengine library: A search and indexing engine. (data, library, mit, text)
Holumbus-Storage library and programs: a distributed storage system (distributed-computing, library, program)
Homology library: Compute the homology of a chain complex (library, math)
HongoDB library and test: A Simple Key Value Store (bsd3, database, library)
HostAndPort library, tests and benchmark: Parser for host and port pairs like localhost:22 (library, mit, network)
Hricket program: A Cricket scoring application. (bsd3, game, program)
Hs2lib library, programs and tests: A Library and Preprocessor that makes it easier to create shared libs from Haskell programs. (bsd3, development, library, program)
HsASA library: A haskell interface to Lester Ingber's adaptive simulating annealing code (bsd3, library, math)
HsHTSLib library: High level bindings to htslib. (bio, library, mit)
HsHaruPDF library: Haskell binding to libharu (http://libharu.sourceforge.net/) (bsd3, graphics, library)
HsHyperEstraier library: HyperEstraier binding for Haskell (library, public-domain, text)
HsJudy library: Judy bindings, and some nice APIs (bsd3, data, library)
HsOpenSSL library and tests: Partial OpenSSL binding for Haskell (cryptography, library, public-domain)
HsOpenSSL-x509-system library: Use the system's native CA certificate store with HsOpenSSL (bsd3, filesystem, library, system)
HsParrot library: Haskell integration with Parrot virtual machine (bsd3, language, library, pugs)
HsPerl5 library: Haskell interface to embedded Perl 5 interpreter (bsd3, language, library, pugs)
HsSVN library: Partial Subversion (SVN) binding for Haskell (development, library, public-domain, system)
HsSyck library: Fast, lightweight YAML loader and dumper (library, mit, pugs, text)
HsTools library: Haskell helper functions (bsd3, generic, library)
Hsed library and program: Stream Editor in Haskell (bsd3, editor, library, program)
Hsmtlib library: Haskell library for easy interaction with SMT-LIB 2 compliant solvers. (bsd3, library, smt)
HueAPI library: API for controlling Philips Hue lights (bsd3, hardware, library)
HulkImport library, program and test: Easily bulk import CSV data to SQL Server (bsd3, data, library, program)
Hungarian-Munkres library, test and benchmark: A Linear Sum Assignment Problem (LSAP) solver (algorithms, gpl, library)
Hydrogen library, program and test: The library for generating a WebGL scene for the web (bsd3, library, program, web)
IDynamic library: Indexable, serializable form of Data.Dynamic (bsd3, data, library)
IFS library and program: Iterated Function System generation for Haskell (bsd3, graphics, library, program)
INblobs program: Editor and interpreter for Interaction Nets (compilers-interpreters, program)
IOR library: Region based resource management for the IO monad. (bsd3, library, monadic-regions, system)
IORefCAS library and test: Atomic compare and swap for IORefs and STRefs. (bsd3, data, deprecated, library)
IOSpec library: A pure specification of the IO monad. (bsd3, library, testing)
IPv6Addr library and test: Library to deal with IPv6 address text representations. (bsd3, library, network)
IPv6DB library, program and test: A RESTful Web Service for IPv6-related data (bsd3, database, library, network, program)
IcoGrid library: Library for generating grids of hexagons and pentagons mapped to a sphere. (graphics, library)
IfElse library: Anaphoric and miscellaneous useful control-flow (bsd3, control, library)
Imlib library: (bsd3, graphics, library)
ImperativeHaskell library: A library for writing Imperative style haskell. (control, development, embedded, gpl, language, library)
IndentParser library: Combinators for parsing indentation based syntatic structures (deprecated, library, parsing)
IndexedList library: Length- and element-indexed lists sitting somewhere between homogeneous and fully heterogeneous. (bsd3, data, library)
InfixApplicative library: liftA2 for infix operators. (bsd3, control, library)
Interpolation library: Multiline strings, interpolation and templating. (data, library, text)
Interpolation-maxs library: Multiline strings, interpolation and templating. (data, library, text)
IntervalMap library, tests and benchmarks: Containers for intervals, with efficient search. (bsd3, data, library)
Irc library and test: DSL for IRC bots (gpl, library, network)
IrrHaskell library: Haskell FRP binding to the Irrlicht game engine. (ffi, game-engine, graphics, library)
IsNull library and test: A typeclass to determine if a given value is null. (bsd3, data, library)
JSON-Combinator library: A combinator library on top of a generalised JSON type (bsd3, combinators, deprecated, json, library)
JSON-Combinator-Examples library: Example uses of the JSON-Combinator library. (bsd3, combinators, deprecated, library)
JSONParser library: Parse JSON (bsd3, library, text)
JSONb library: JSON parser that uses byte strings. (bsd3, library, text)
JYU-Utils library: Some utility functions for JYU projects (library, mit, utility)
JackMiniMix library: control JackMiniMix (deprecated, gpl, library, sound)
Javasf program: A utility to print the SourceFile attribute of one or more Java class files. (bsd3, deprecated, language, program)
Javav program: A utility to print the target version of Java class files. (bsd3, deprecated, language, program)
Jdh library: A Json implementation for Haskell, with JavaScript Values and Encoding/Decoding (data, library, mit)
JsContracts library and program: Design-by-contract for JavaScript (bsd3, language, library, program)
JsonGrammar library and test: Combinators for bidirectional JSON parsing (bsd3, json, language, library)
JuPyTer-notebook library and program: JuPyTer notebook parser (bsd3, data, library, program)
JuicyPixels library: Picture loading/serialization (in png, jpeg, bitmap, gif, tga, tiff and radiance) (bsd3, codec, graphics, image, library)
JuicyPixels-blp library and program: BLP format decoder/encoder over JuicyPixels library (bsd3, codec, graphics, image, library, program)
JuicyPixels-canvas library: Functions for drawing lines, squares and so on pixel by pixel (bsd3, graphics, library)
JuicyPixels-extra library, test and benchmark: Efficiently scale, crop, flip images with JuicyPixels (bsd3, graphics, image, library)
JuicyPixels-repa library: Convenience functions to obtain array representations of images. (bsd3, graphics, library)
JuicyPixels-scale-dct library and test: Scale JuicyPixels images with DCT (bsd3, library, web)
JuicyPixels-stbir library: Scale JuicyPixels images with stb_image_resize (bsd3, graphics, image, library)
JuicyPixels-util library: Convert JuicyPixel images into RGBA format, flip, trim and so on (bsd3, control, library)
JunkDB library: (bsd3, database, library)
JunkDB-driver-gdbm library: (bsd3, database, library)
JunkDB-driver-hashtables library: (bsd3, database, library)
JustParse library: A simple and comprehensive Haskell parsing library (library, public-domain, text)
KMP library and test: Knuth–Morris–Pratt string searching algorithm (algorithms, bsd3, library)
KSP library: A library with the kerbal space program universe and demo code (library, public-domain, testing)
Kalman library: A slightly extended Kalman filter (bsd3, deprecated, library, math)
KdTree library and test: KdTree, for efficient search in K-dimensional point clouds. (bsd3, data-mining, data-structures, graphics, library, machine-learning)
Ketchup library: A super small web framework for those who don't like big and fancy codebases (ketchup, library, mit, web)
KiCS library and programs: A compiler from Curry to Haskell (compiler, library, program)
KiCS-debugger library and program: debug features for kics (debug, library, program)
KiCS-prophecy library and program: a transformation used by the kics debugger (debug, library, program)
Kleislify library: Variants of Control.Arrow functions, specialised to kleislis. (bsd3, control, library)
Konf library: A configuration language and a parser. (library, text)
Kriens library: Category for Continuation Passing Style (bsd3, control, library)
KyotoCabinet library: Kyoto Cabinet DB bindings (bsd3, database, library)
L-seed library and program: Plant growing programming game (bsd3, game, library, program)
LATS library: Linear Algebra on Typed Spaces (bsd3, library, numeric)
LDAP library and test: Haskell binding for C LDAP API (bsd3, library, network)
LParse library and test: A continuation-based parser library (library, mit, parsing)
LRU library: Implements an LRU data structure (bsd3, deprecated, library, unclassified)
LTree library: Tree with only leaves carrying the data. (data, library, public-domain)
LambdaCalculator program: A basic lambda calculator with beta reduction and a REPL (bsd3, language, program)
LambdaDB library, program and test: On-memory Database using Lambda Function environment. (bsd3, database, library, program)
LambdaDesigner library: A type-safe EDSL for TouchDesigner written in Haskell. (bsd3, library, touchdesigner)
LambdaHack library, program and test: A game engine library for roguelike dungeon crawlers (bsd3, game, game-engine, library, program, roguelike)
LambdaINet program: Graphical Interaction Net Evaluator for Optimal Evaluation (application, bsd3, program)
LambdaNet library: A configurable and extensible neural network library (library, machine-learning, mit)
LambdaPrettyQuote library and test: Quasiquoter, and Arbitrary helpers for the lambda calculus. (bsd3, language, library)
LambdaShell program: Simple shell for evaluating lambda expressions (compilers-interpreters, program)
Lambdajudge library and test: A library to easily host Haskell based programming competitions (development, library, mit)
Lambdaya library: Library for RedPitaya (lgpl, library, system)
LargeCardinalHierarchy library: A transfinite cardinal arithmetic library including all known large cardinals (library, math, mathematics, maths, set-theory)
Lastik library: A library for compiling programs in a variety of languages (bsd3, deprecated, development, library)
Lattices library and test: A library for lattices (library, math)
Lazy-Pbkdf2 library, test and benchmark: Lazy PBKDF2 generator. (cryptography, library, mit)
LazyVault program: A simple sandboxing tool for Haskell packages. (development, gpl, program)
Learning library, programs and test: The most frequently used machine learning tools (bsd3, library, machine-learning, program)
Level0 program: A Snake II clone written using SDL. (game, gpl, program)
LibClang library: Haskell bindings for libclang (a C++ parsing library) (bsd3, language, library)
LibZip library and test: Bindings to libzip, a library for manipulating zip archives. (bsd3, codec, foreign, library)
Limit library: Wrapper for data that can be unbounded (data, library, mit)
LinearSplit library: Partition the sequence of items to the subsequences in the order given (algorithms, bsd3, library)
LinguisticsTypes library, test and benchmark: Collection of types for natural language (bsd3, library, natural-language-processing)
LinkChecker program: Check a bunch of local html files for broken links (bsd3, program, web)
List library: List monad transformer and class (bsd3, control, library)
ListLike library and test: Generic support for list-like structures (bsd3, generics, library)
ListT library and test: List transformer (bsd3, control, library)
ListTree library: Trees and monadic trees expressed as monadic lists where the underlying monad is a list (algorithms, bsd3, library)
ListWriter library and test: define a list constant using Monadic syntax other than overhead [,] (bsd3, library, syntax)
ListZipper library: Simple zipper for lists (bsd3, data, library)
Logic library: Logic (library, math, mit)
LogicGrowsOnTrees library, tests and benchmarks: a parallel implementation of logic programming using distributed tree exploration (bsd3, control, distributed-computing, library, logic, parallelism)
LogicGrowsOnTrees-MPI library: an adapter for LogicGrowsOnTrees that uses MPI (bsd3, control, distributed-computing, library, logic, parallelism)
LogicGrowsOnTrees-network library and test: an adapter for LogicGrowsOnTrees that uses multiple processes running in a network (bsd3, control, distributed-computing, library, logic, parallelism)
LogicGrowsOnTrees-processes library, test and benchmark: an adapter for LogicGrowsOnTrees that uses multiple processes for parallelism (bsd3, control, distributed-computing, library, logic, parallelism)
LslPlus program: An execution and testing framework for the Linden Scripting Language (LSL) (bsd3, language, program)
Lucu library: HTTP Daemonic Library (library, network, public-domain)
Lykah library and program: A static website and blog generator (library, mit, program, web)
MASMGen library and test: Generate MASM code from haskell (development, lgpl, library)
MBot library: Haskell interface for controlling the mBot educational robot (educational, gpl, library)
MC-Fold-DP library and program: Folding algorithm based on nucleotide cyclic motifs. (bioinformatics, gpl, library, program)
MFlow library: stateful, RESTful web framework (application-server, bsd3, library, web)
MHask library: The category of monads (bsd3, control, library)
MSQueue library: Michael-Scott queue. (bsd3, data, library)
MTGBuilder program: Builds decks out of a meta (mit, program, unclassified)
MagicHaskeller library and programs: Automatic inductive functional programmer by systematic search (bsd3, language, library, program)
MailchimpSimple library: Haskell library to interact with Mailchimp JSON API Version 3.0 (bsd3, library, web)
Mapping library: Mapping (agpl, data, library)
MaybeT library: MaybeT monad transformer (bsd3, control, library)
MaybeT-monads-tf library: MaybeT monad transformer compatible with monads-tf (deprecated) (bsd3, control, deprecated, library)
MaybeT-transformers library: MaybeT monad transformer using transformers instead of mtl. (bsd3, control, library)
MazesOfMonad program: Console-based Role Playing Game (bsd3, game, program)
MeanShift library: Mean shift algorithm (bsd3, library, math)
Measure library: A library for units of measurement (bsd3, data, library)
Mecha library: mecha are the most complex composite machines known to humanity, lets build them well! (bsd2, concurrency, control, data, library, network, system)
Mechs library: mecha are the most complex composite machines known to humanity, lets build them well! (bsd2, concurrency, control, data, library, network, system)
MemoTrie library: Trie-based memo functions (bsd3, data, library)
MetaHDBC library: Statically checked database access (database, library)
MetaObject library: A meta-object system for Haskell based on Perl 6 (bsd3, development, library, pugs)
Metrics library: Evaluation metrics commonly used in supervised machine learning (bsd3, library, statistics)
Mhailist program: Haskell mailing list manager (bsd3, network, program)
Michelangelo library: OpenGL for dummies (graphics, library, mit)
MicrosoftTranslator library: Interface for Microsoft Translator (bsd3, language, library)
MiniAgda program: A toy dependently typed programming language with type-based termination. (dependent-types, program)
MissingH library and test: Large utility library (bsd3, library, unclassified)
MissingK library: Useful types and definitions missing from other libraries (bsd3, development, library)
MissingM library and test: findM and other missing 'M's (bsd3, control, library)
MissingPy library: Haskell interface to Python (library, mit, unclassified)
Mobile-Legends-Hack-Cheats library and tests: spam (bsd3, deprecated, library, web)
Modulo library: Modular arithmetic via Numeric-Prelude (gpl, library, math)
Moe library and program: A FRP library based on signal functions. (bsd3, frp, library, program)
MoeDict library: Utilities working with MoeDict.tw JSON dataset (library, public-domain, text)
MonadCatchIO-mtl library: Monad-transformer version of the Control.Exception module (bsd3, control, deprecated, library)
MonadCatchIO-mtl-foreign library: Polymorphic combinators for working with foreign functions (bsd3, control, deprecated, library)
MonadCatchIO-transformers library: Monad-transformer compatible version of the Control.Exception module (bsd3, control, deprecated, library)
MonadCatchIO-transformers-foreign library: Polymorphic combinators for working with foreign functions (bsd3, control, deprecated, library)
MonadCompose library: Methods for composing monads. (bsd3, library, monad)
MonadLab library and program: Automatically generate layered monads (bsd3, library, monads, program)
MonadPrompt library: MonadPrompt, implementation & examples (bsd3, control, library)
MonadRandom library: Random-number generation monad. (bsd3, control, library)
MonadRandomLazy library: Lazy monad for psuedo random-number generation. (bsd3, control, library)
MonadStack library: Generalizing lift to monad stacks (bsd2, control, library)
Monadius program: 2-D arcade scroller (game, program)
Monaris program: A simple tetris clone (bsd3, game, program)
Monatron library: Monad transformer library with uniform liftings (bsd3, control, library)
Monatron-IO library: MonadIO instances for the Monatron transformers. (bsd3, control, library)
Monocle library: Symbolic computations in strict monoidal categories with LaTeX output. (bsd3, library, math)
MorseCode library: Morse code (gpl, library, text)
MuCheck library and test: Automated Mutation Testing (gpl, library, testing)
MuCheck-HUnit library and program: Automated Mutation Testing for HUnit tests (gpl, library, program, testing)
MuCheck-Hspec library and program: Automated Mutation Testing for Hspec tests (gpl, library, program, testing)
MuCheck-QuickCheck library and program: Automated Mutation Testing for QuickCheck tests (gpl, library, program, testing)
MuCheck-SmallCheck library and program: Automated Mutation Testing for SmallCheck tests (gpl, library, program, testing)
Munkres library: Munkres' assignment algorithm (hungarian method) (algorithms, bsd3, library)
Munkres-simple library: Simple and typesafe layer over the Munkres package. (algorithms, bsd3, library)
MusicBrainz library: interface to MusicBrainz XML2 and JSON web services (gpl, library, network)
MusicBrainz-libdiscid library: Binding to libdiscid by MusicBrainz (audio, ffi, library, sound)
MutationOrder library, program and test: Most likely order of mutation events in RNA (bioinformatics, gpl, library, program)
MyPrimes library, program and benchmark: Generate all primes (data, library, mit, program)
NGrams program: Simple application for calculating n-grams using Google. (bsd3, natural-language-processing, program)
NMap library: A transparent nested Map structure (data, library)
NTRU library: NTRU Cryptography (cryptography, library, math)
NXT library, programs and test: A Haskell interface to Lego Mindstorms NXT (lgpl, library, program, robotics)
NXTDSL library and program: Generate NXC Code from DSL (bsd3, compilers-interpreters, language, library, program)
NameGenerator library: A name generator written in Haskell (gpl, library, text)
NanoProlog library and program: Very small interpreter for a Prolog-like language (bsd3, language, library, program)
Naperian library: Naperian Functors for APL-like programming (library, math)
NaturalLanguageAlphabets library, test and benchmark: Simple scoring schemes for word alignments (bsd3, library, natural-language-processing)
NaturalSort : Natural sorting for strings (bsd3, deprecated, text)
NearContextAlgebra program: Context Algebra of near (bsd3, math, program)
Neks library and programs: Simple networked key/value store (database, library, mit, program)
NestedFunctor library: Nested composition of functors with a type index tracking nesting. (bsd3, data, library)
NestedSampling library: A port of John Skilling's nested sampling C code to Haskell. (gpl, library, statistics)
NetSNMP library and test: Bindings for net-snmp's C API for clients (bsd3, library, network)
Network-NineP library and program: High-level abstraction over 9P protocol (library, network, program)
NewBinary library: A binary I/O library (data, library)
NineP library: 9P2000 in pure Haskell (bsd3, data, library)
Ninjas program: Ninja game (bsd3, game, program)
NoHoed library: Placeholder package to preserve debug ability via conditional builds (bsd3, debugging, library)
NoSlow programs: Microbenchmarks for various array libraries (bsd3, development, profiling, program)
NoTrace library and test: Remove all the functions come from Debug.Trace after debugging (development, library, mit)
Noise library: A Haskell coherent noise generator based on libnoise (bsd3, graphics, library, math, noise)
Nomyx program: A Nomic game in haskell (bsd3, deprecated, game, program)
Nomyx-Core library: A Nomic game in haskell (bsd3, game, library)
Nomyx-Language library: Language to express rules for Nomic (bsd3, language, library)
Nomyx-Rules library: Language to express rules for Nomic (bsd3, deprecated, language, library)
Nomyx-Web library: Web gui for Nomyx (bsd3, game, library)
NonEmpty library: Library providing a non-empty list datatype, and total functions operating on it (bsd3, data, library)
NonEmptyList library: A list with a length of at least one. (bsd3, data, deprecated, library)
NumInstances library: Instances of numeric classes for functions and tuples (bsd3, data, library)
NumLazyByteString library: Num, Enum, Eq, Integral, Ord, Real, and Show instances for Lazy ByteStrings (bsd3, data, deprecated, library)
NumberSieves library: Number Theoretic Sieves: primes, factorization, and Euler's Totient (bsd3, library, math)
NumberTheory library and test: A library for number theoretic computations, written in Haskell. (gpl, library, math)
Numbers library: An assortment of number theoretic functions (algorithms, library, number-theory)
Nussinov78 library and program: Nussinov78 using the ADPfusion library. (bioinformatics, gpl, library, program)
Nutri library: A little library to calculate nutrition values of food items. (library, public-domain, utils)
OGL library: A context aware binding for the OpenGL graphics system (bsd3, graphics, library)
ONC-RPC library and program: ONC RPC (aka Sun RPC) and XDR library (apache, library, network, program)
OSM library: Parse OpenStreetMap files (bsd3, library, utils)
OTP library and test: HMAC-Based and Time-Based One-Time Passwords (cryptography, library, mit)
Object library: Object oriented programming for haskell using multiparameter typeclasses. (apache, control, data, library)
ObjectIO library: (bsd3, library, unclassified)
ObjectName library: Explicitly handled object names (bsd3, data, library)
Obsidian library: Embedded language for GPU Programming (bsd3, language, library)
Octree library, test and benchmark: Simple unbalanced Octree for storing data about 3D points (bsd3, data, library)
OddWord library, test and benchmark: Provides a wrapper for deriving word types with fewer bits. (bsd3, data, library)
Omega library and test: Integer sets and relations using Presburger arithmetic (bsd3, data, library)
OnRmt library, programs and test: Text UI library for performing parallel remote SSH operations (bsd3, library, program, system)
OneTuple library: Singleton Tuple (bsd3, library, unclassified)
Only library: The 1-tuple type or single-value "collection" (bsd3, data, library)
OpenAFP library: IBM AFP document format parser and generator (data, library, public-domain)
OpenAFP-Utils programs: Assorted utilities to work with AFP data streams (data, program, public-domain)
OpenAL library: A binding to the OpenAL cross-platform 3D audio API (bsd3, library, sound)
OpenCL library and test: Haskell high-level wrapper for OpenCL (bsd3, ffi, gpu, graphics, library)
OpenCLRaw library: The OpenCL Standard for heterogenous data-parallel computing (bsd3, graphics, library)
OpenCLWrappers library: The OpenCL Standard for heterogenous data-parallel computing (bsd3, ffi, library)
OpenGL library: A binding for the OpenGL graphics system (bsd3, graphics, library)
OpenGLCheck library: Quickcheck instances for various data structures. (bsd3, graphics, library)
OpenGLRaw library: A raw binding for the OpenGL graphics system (bsd3, graphics, library)
OpenGLRaw21 library: The intersection of OpenGL 2.1 and OpenGL 3.1 Core (deprecated, graphics, library)
OpenSCAD library and test: ADT wrapper and renderer for OpenSCAD models. (bsd3, graphics, library)
OpenVG library: OpenVG (ShivaVG-0.2.1) binding (bsd3, graphics, library)
OpenVGRaw library: Raw binding to OpenVG (ShivaVG-0.2.1 implementation). (bsd3, graphics, library)
Operads library: Groebner basis computation for Operads. (bsd3, library, math)
OptDir library: The OptDir type for representing optimization directions. (bsd3, data, library, optimisation, optimization)
OrPatterns library: A quasiquoter for or-patterns (bsd3, development, library)
OrchestrateDB library and tests: Unofficial Haskell Client Library for the Orchestrate.io API (bsd3, database, library)
OrderedBits library, test and benchmark: Efficient ordered (by popcount) enumeration of bits (bsd3, data, library)
Ordinals library: Ordinal arithmetic (bsd3, library, math)
Ordinary library, program and test: A Programming Language in Construction (bsd3, language, library, program)
PArrows library: Arrow parser combinators similar to Parsec (bsd3, library, parsing)
PBKDF2 library: Make password-based security schemes more secure. (bsd3, cryptography, deprecated, library)
PCLT library: Extension to Show: templating, catalogizing, languages, parameters, etc. (deprecated, library, text)
PCLT-DB library: An addon to PCLT package: enchance PCLT catalog with PostgreSQL powers. (database, deprecated, library)
PDBtools library: A library for analysis of 3-D protein coordinates (bioinformatics, gpl, library)
PPrinter library: A generic derivable Haskell pretty printer (bsd3, generics, library, pretty-printer, text)
PSQueue library: Priority Search Queue (bsd3, data-structures, library)
PTQ programs: An implementation of Montague's PTQ. (natural-language-processing, program)
PUH-Project library: This is a package which includes Assignments, Email, User and Reviews modules for Programming in Haskell course. (bsd3, data, library)
PageIO library and program: Page-oriented extraction and composition library (bsd3, library, program, text)
Paillier library and test: a simple Paillier cryptosystem (bsd3, library, math)
PandocAgda library and program: Pandoc support for literate Agda (bsd3, dependent-types, library, program)
Paraiso library and test: a code generator for partial differential equations solvers. (bsd3, language, library)
Parallel-Arrows-BaseSpec library and test: BaseSpecs used for @Parallel-Arrows-Definition@ and Co. (arrows, library, mit, parallelism)
Parallel-Arrows-Definition library: Multithreaded evaluation using Arrows. (arrows, library, mit, parallelism)
Parallel-Arrows-Eden library and test: Eden based backend for @Parallel-Arrows-Definition@. (arrows, library, mit, parallelism)
Parallel-Arrows-Multicore library and test: GpH based backend for @Parallel-Arrows-Definition@ in a multicore variant. (arrows, library, mit, parallelism)
Parallel-Arrows-ParMonad library and test: Par Monad (@monad-par@) based backend for @Parallel-Arrows-Definition@. (arrows, library, mit, parallelism)
Parry library: A proven synchronization server for high performance computing. (gpl, library, parry)
ParsecTools library: Parsec combinators for more complex objects. (gpl, library, parsing)
ParserFunction library: Parse and evaluate mathematical expressions. (bsd3, deprecated, library, math, parsing)
PartialTypeSignatures library: emulate partial type signatures with template haskell (bsd3, development, library)
PasswordGenerator library: Simple library for generating passwords (cryptography, library, mit)
PastePipe library and program: CLI for pasting to lpaste.net (gpl, library, program, utils)
PathTree library and test: A tree used to merge and maintain paths (bsd3, data, library)
Pathfinder library: Relational optimiser and code generator (bsd3, database, ffi, library)
Peano library: simple Peano numbers (bsd3, data, library)
PeanoWitnesses library: GADT type witnesses for Peano-style natural numbers. (bsd3, data, library)
PerfectHash library: A perfect hashing library for mapping bytestrings to values. (bsd3, data, data-structures, library)
PermuteEffects library: Permutations of effectful computations (bsd3, control, library)
Phsu program: Personal Happstack Server Utils (gpl, program, web)
Pipe library: Process piping library (bsd3, deprecated, library, system)
Piso library: Partial isomorphisms (bsd3, data, library)
PlayHangmanGame program: Play Hangman Game (bsd3, game, program)
PlayingCards library: Playing cards api (bsd3, game, library)
Plot-ho-matic library: Real-time line plotter for generic data (bsd3, graphics, library)
PlslTools program: So far just a lint like program for PL/SQL. Diff and refactoring tools are planned (bsd3, pl-sql-tools, program)
Plural library: Pluralize English words (gpl, language, library)
Pollutocracy program: An imaginary world (game, program)
PortFusion program: high-performance distributed reverse / forward proxy & tunneling for TCP (gpl, network, program, system)
PortMidi library: A binding for PortMedia/PortMidi (bsd3, library, sound)
PostgreSQL library: Thin wrapper over the C postgresql library (database, library)
PrimitiveArray library and test: Efficient multidimensional arrays (bsd3, data, library)
PrimitiveArray-Pretty library and test: Pretty-printing for primitive arrays (bsd3, data, library)
Printf-TH library: (library, utils)
PriorityChansConverger library: Read single output from an array of inputs - channels with priorities (concurrency, library)
ProbabilityMonads library: Probability distribution monads. (bsd3, control, library)
PropLogic library and program: Propositional Logic (algorithms, bsd3, library, logic, program)
Proper library and programs: An implementation of propositional logic in Haskell (bsd3, library, program, unclassified)
ProxN library: Proximity sets in N dimensions (bsd3, library, math)
Pugs program: A Perl 6 Implementation (bsd3, language, program, pugs)
Pup-Events library and program: A networked event handling framework for hooking into other programs. (gpl, library, networking, program, pup-events)
Pup-Events-Client library: A networked event handling framework for hooking into other programs. (gpl, library, networking, pup-events)
Pup-Events-Demo programs: A networked event handling framework for hooking into other programs. (demo, gpl, networking, program, pup-events)
Pup-Events-PQueue library: A networked event handling framework for hooking into other programs. (gpl, library, networking, pup-events)
Pup-Events-Server library: A networked event handling framework for hooking into other programs. (gpl, library, networking, pup-events)
PyF library and test: Quasiquotations for a python like interpolated string formater (bsd3, library, text)
QIO library: The Quantum IO Monad is a library for defining quantum computations in Haskell (bsd3, library, quantum)
QLearn library: A library for fast, easy-to-use Q-learning. (data, library, mit)
QuadEdge library: QuadEdge structure for representing triangulations (bsd3, data, library)
QuadTree library and test: QuadTree library for Haskell, with lens support. (bsd3, data, game, library)
QuasiText library: A QuasiQuoter for Text. (bsd3, library, text)
Quelea library: Programming with Eventual Consistency over Cassandra. (bsd3, experimental, library)
QuickAnnotate library and program: Annotation Framework (bsd3, development, library, program)
QuickCheck library: Automatic testing of Haskell programs (bsd3, library, testing)
QuickCheck-GenT library: A GenT monad transformer for QuickCheck library. (library, mit, testing)
QuickCheck-safe library: Safe reimplementation of QuickCheck's core (library, mit, testing)
QuickCheckVariant library and test: Generator of "valid" and "invalid" data in a type class (gpl, library, testing)
QuickPlot library: Quick and easy data visualization with Haskell (gpl, graphics, library)
Quickson library: Quick JSON extractions with Aeson (bsd3, deprecated, json, library, text, web)
R-pandoc library and program: A pandoc filter to express R plots inside markdown (bsd3, library, program, text)
RANSAC library and test: The RANSAC algorithm for parameter estimation. (bsd3, library, math, numerical)
RBTree library: Pure haskell Red-Black-Tree implemetation (bsd3, data-structures, library)
RESTng library: A framework for writing RESTful applications. (library, web)
RFC1751 library and test: RFC-1751 library for Haskell (data, library, public-domain)
RJson library: A reflective JSON serializer/parser. (bsd3, library, text)
RMP library and programs: Binding to code that controls a Segway RMP (bsd3, library, program, robotics, system)
RNAFold library and programs: RNA secondary structure prediction (bioinformatics, gpl, library, program)
RNAFoldProgs programs: RNA secondary structure folding (bioinformatics, gpl, program)
RNAdesign library and program: Multi-target RNA sequence design (bioinformatics, gpl, library, program)
RNAdraw library and program: Draw RNA secondary structures (bioinformatics, gpl, library, program)
RNAlien library and programs: Unsupervized construction of RNA family models (bioinformatics, gpl, library, program)
RNAwolf library and programs: RNA folding with non-canonical basepairs and base-triplets. (bioinformatics, gpl, library, program)
RSA library and test: Implementation of RSA, using the padding schemes of PKCS#1 v2.1. (bsd3, codec, cryptography, library)
Raincat program: A puzzle game written in Haskell with a cat in lead role (bsd3, game, program)
Random123 library, test and benchmark: Haskell port of Random123 library (library, mit, random)
RandomDotOrg library: Interface to random.org (deprecated, library, other, public-domain)
Randometer program: Randomness intuition trainer (mit, personalgrowth, program)
Range library: Data structure for managing ranges (bsd3, data, library)
Ranged-sets library: Ranged sets for Haskell (bsd3, data, library)
Ranka program: HTTP to XMPP omegle chats gate. (network, program)
Rasenschach program: Soccer simulation (bsd3, game, program)
Rasterific library: A pure haskell drawing engine. (bsd3, graphics, library)
ReadArgs library, program and test: Simple command line argument parsing (bsd3, command-line, library, program)
Redmine library and test: Library to access Redmine's REST services (library, mit, network, web)
Ref library: Generic Mutable Ref Abstraction Layer (bsd3, data, library)
RefSerialize library: Write to and read from ByteStrings maintaining internal memory references (bsd3, data, database, library, parsing)
Referees library and program: A utility for computing distributions of material to review among reviewers. (gpl, library, program, utils)
RepLib library: Generic programming library with representation types (bsd3, generics, library)
ReplicateEffects library: Composable replication schemes of applicative functors (bsd3, control, library)
ReviewBoard library and programs: Haskell bindings to ReviewBoard (bsd3, development, library, program)
RichConditional library: Tiny library to replace classic if/else (control, library, mit)
Rlang-QQ library and tests: quasiquoter for inline-R code (bsd3, deprecated, development, library)
RollingDirectory program and test: Limits the size of a directory's contents (file-manager, gpl, program, tools)
RoyalMonad library: All hail the Royal Monad! (bsd3, control, library)
RtMidi library: (library, mit, sound)
RxHaskell library: Reactive Extensions for Haskell (frp, library, mit)
SBench library: A benchmark suite for runtime and heap measurements over a series of inputs. (bsd3, library, testing)
SCalendar library and test: This is a library for handling calendars and resource availability based on the "top-nodes algorithm" and set operations. (deprecated, library, mit, time)
SConfig library: A simple config library (configuration, deprecated, library, mit)
SDL library: Binding to libSDL (bsd3, foreign-binding, library)
SDL-gfx library: Binding to libSDL_gfx (bsd3, foreign-binding, library)
SDL-image library: Binding to libSDL_image (bsd3, foreign-binding, library)
SDL-mixer library: Binding to libSDL_mixer (bsd3, foreign-binding, library)
SDL-mpeg library: Binding to the SMPEG library (bsd3, foreign-binding, library)
SDL-ttf library: Binding to libSDL_ttf (bsd3, foreign-binding, library)
SDL2-ttf library: Binding to libSDL-ttf (deprecated, foreign-binding, library, mit)
SFML library: SFML bindings (game, library, mit)
SFML-control library: Higher level library on top of SFML (graphics, library, mit)
SFont library: SFont SDL Bitmap Fonts (bsd3, deprecated, graphics, library)
SG library: Small geometry library for dealing with vectors and collision detection (bsd3, data, library, math)
SGdemo program: An example of using the SG and OpenGL libraries (graphics, program)
SGplus library: (updated) Small geometry library for dealing with vectors and collision detection (bsd3, data, library, math)
SHA library and test: Implementations of the SHA suite of message digest functions (bsd3, codec, cryptography, library)
SHA2 library: Fast, incremental SHA hashing for bytestrings (bsd3, cryptography, library)
SMTPClient library: A simple SMTP client library (bsd3, library, network)
SNet library: Declarative coördination language for streaming networks. (language, lgpl, library)
SQLDeps library: Calculate db-data dependencies of functions (bsd3, database, library)
SSTG library, program and test: STG Symbolic Execution (bsd3, library, program, web)
STL library: STL 3D geometry format parsing and pretty-printing (bsd3, graphics, library)
STLinkUSB library: STLink USB interface in Haskell (bsd3, hardware, library, microcontroller, stm32)
STM32-Zombie library: control a STM32F103 microcontroller (bsd3, hardware, library, microcontroller, stm32)
STM32F103xx-SVD library: Definition for Peripherals,Registers and Fields from STM32F103xx.svd (bsd3, hardware, library, microcontroller, stm32)
STMonadTrans library and test: A monad transformer version of the ST monad (bsd3, library, monads)
SVD2HS library: translate a SVD of a Microcontroller to Haskell tables (bsd3, hardware, library, microcontroller, stm32, svd)
SVG2Q program: Code generation tool for Quartz code from a SVG. (bsd3, parsing, program)
SVGFonts library: Fonts from the SVG-Font format (bsd3, graphics, library)
SVGPath library: Parsing the path command of SVG (bsd3, graphics, library)
SWMMoutGetMB library: A parser for SWMM 5 binary .OUT files (environment, hydrology, lgpl, library, water)
SableCC2Hs library and program: Generate a parser (in Haskell) with the SableCC parser generator. (bsd3, library, parsing, program)
Safe library: Library for safe (pattern match free) functions (bsd3, deprecated, library, unclassified)
SafeSemaphore library and test: Much safer replacement for QSemN, QSem, and SampleVar (bsd3, concurrency, library)
Salsa library: A .NET Bridge for Haskell (.net, bsd3, foreign, library)
Saturnin library, program and tests: Saturnin CI / Job System (application-server, bsd3, library, program)
SciFlow library: Scientific workflow management system (control, library, mit)
ScratchFs program: Size limited temp filesystem based on fuse (gpl, program, system)
Scurry program: A cross platform P2P VPN application built using Haskell. (bsd3, network, program)
SegmentTree library: Data structure for querying the set (or count) of intervals covering given point (bsd3, data, library)
SelectSequencesFromMSA library and program: Selects a representative subset of sequences from multiple sequence alignment. (bioinformatics, gpl, library, program)
Semantique program: Command-line tool for maintaining the Semantique database. (program, public-domain, system)
Semigroup library: A semigroup (bsd3, data, library)
SeqAlign library: Sequence Alignment (bsd3, deprecated, library, unclassified)
SessionLogger library: Easy Loggingframework (lgpl, library, logging)
ShellCheck library, program and test: Shell script analysis tool (gpl, library, program, static-analysis)
Shellac library: A framework for creating shell envinronments (bsd3, library, user-interfaces)
Shellac-compatline library: "compatline" backend module for Shellac (bsd3, library, user-interfaces)
Shellac-editline library: Editline backend module for Shellac (bsd3, library, user-interfaces)
Shellac-haskeline library: Haskeline backend module for Shellac (bsd3, library, user-interfaces)
Shellac-readline library: Readline backend module for Shellac (bsd3, library, user-interfaces)
ShortestPathProblems library and test: grammars for TSP and SHP (bsd3, data, library)
ShowF library: Show for * -> * (bsd3, library, text)
Shrub library: 4-way trie fuzzy search (bsd3, library, unclassified)
Shu-thing program: A vector shooter game (bsd3, game, program)
SimpleAES library: Fast AES encryption/decryption for bytestrings (bsd3, cryptography, library)
SimpleEA library: Simple evolutionary algorithm framework. (ai, bsd3, library)
SimpleGL library: A Simple Graphics Library from the SimpleH framework. (bsd3, deprecated, graphics, library)
SimpleH library: A light, clean and powerful Haskell utility library (deprecated, library, prelude)
SimpleLog library: Simple, configurable logging (bsd3, library, system)
SimpleServer library and program: A simple static file server, for when apache is overkill (library, mit, program, web)
SimpleTableGenerator library and test: Simple table generator (gpl, library, text)
Sit program: Prototypical type checker for Type Theory with Sized Natural Numbers (dependent-types, program)
SizeCompare library: Fast size comparison for standard containers. (data, library)
Slides library and test: Generate slides from Haskell code (graphics, library, mit)
Smooth library: A tiny, lazy SMT solver (bsd3, library, math)
SmtLib library: Library for parsing SMTLIB2 (formal-methods, library, mit)
Snusmumrik programs: E-library directory based on FUSE virtual file system. (bsd3, deprecated, program, text)
SoOSiM library: Abstract full system simulator (bsd3, library, simulation)
SoccerFun library and program: Football simulation framework for teaching functional programming (ai, bsd3, education, game, library, program)
SoccerFunGL library and programs: OpenGL UI for the SoccerFun framework (ai, bsd3, education, game, library, program)
Sonnex library and test: Sonnex is an alternative to Soundex for french language (gpl, library, natural-language-processing, text)
SourceGraph program: Static code analysis using graph-theoretic techniques. (development, program)
Southpaw library: Assorted utility modules (library, mit, utilities)
SpaceInvaders program: Video game (bsd3, game, program)
SpacePrivateers program: Simple space pirate roguelike (bsd3, game, program)
SpinCounter library: Lock free Spin Counter (bsd3, data, library)
Spintax library: Random text generation based on spintax (bsd3, library, text)
Spock library and test: Another Haskell web framework for rapid development (bsd3, library, web)
Spock-api library: Another Haskell web framework for rapid development (bsd3, library, web)
Spock-api-ghcjs library: Another Haskell web framework for rapid development (bsd3, library, web)
Spock-api-server library: Another Haskell web framework for rapid development (bsd3, library, web)
Spock-auth library: Provides authentification helpers for Spock (bsd3, deprecated, library, web)
Spock-core library and test: Another Haskell web framework for rapid development (bsd3, library, web)
Spock-digestive library: Digestive functors support for Spock (library, mit, web)
Spock-lucid library: Lucid support for Spock (bsd3, library, web)
Spock-worker library and test: Background workers for Spock (library, mit, web)
SpreadsheetML library: Write support for Excel's SpreadsheetML format (bsd3, library, text)
Sprig library: Binding to Sprig (bsd3, deprecated, foreign-binding, library)
Stack library: Stack data structure (bsd3, data-structures, library)
Stasis library and program: A simple MVCC like library (bsd3, concurrency, library, program)
StateVar library: State variables (bsd3, data, library)
StateVar-transformer library: State variables (bsd3, data, library)
StatisticalMethods library: Collection of useful statistical methods. (gpl, library, statistics)
StockholmAlignment library: Libary for Stockholm aligmnent format (bioinformatics, gpl, library)
Stomp library: Client library for Stomp brokers. (bsd3, library, network)
Strafunski-ATermLib library: An abstract data type designed for the exchange of tree-like data structures (bsd3, data, library)
Strafunski-Sdf2Haskell program: Converts SDF to Haskell (bsd3, language, program)
Strafunski-StrategyLib library: Library for strategic programming (bsd3, generics, library)
StrappedTemplates library and test: General purpose templates in haskell (bsd3, library, text)
StrategyLib library: (all-rights-reserved, generics, library)
Stream library: A library for manipulating infinite lists. (bsd3, data, library)
StrictBench library: Benchmarking code through strict evaluation (library, testing)
StringUtils library: String manipulation utilities (lgpl, library, text)
SuffixStructures library, program and benchmark: Suffix array construction (bsd3, data, data-structures, library, program)
SybWidget library: Library which aids constructing generic (SYB3-based) widgets (gui, library)
SyntaxMacros library: Syntax Macros in the form of an EDSL (deprecated, development, library)
Sysmon library: Sybase 15 sysmon reports processor (bsd3, database, library)
TBC library and program: Testing By Convention (bsd3, library, program, testing)
TBit library: Utilities for condensed matter physics tight binding calculations. (bsd3, library, science)
TCache library: A Transactional cache with user-defined persistence (bsd3, data, database, library)
THEff library: TH implementation of effects. (bsd3, control, effect, library, th)
TORCS library and program: Bindings to the TORCS vehicle simulator. (bindings, frp, library, program, simulation)
TTTAS library: Typed Transformations of Typed Abstract Syntax (language, library)
TV library: Tangible Values -- composable interfaces (bsd3, interfaces, library)
TYB library: Template Your Boilerplate - a Template Haskell version of SYB (bsd3, generics, library)
TableAlgebra library: Ferry Table Algebra (bsd3, database, library)
Tables program: A client for Quill databases (bsd3, database, program)
Tablify program: Tool to render CSV into tables of various formats (bsd3, program, text)
Tahin library and program: Tahin Password Generator (bsd3, library, password, program)
Tainted library: Tainted type, and associated operations (bsd3, control, data, library, monads, trans)
Takusen : Database library with left-fold interface, for PostgreSQL, Oracle, SQLite, ODBC. (bsd3, database)
Tape library: Bidirectionally infinite streams, akin to the tape of a Turing machine. (bsd3, data, library)
Taxonomy library: Libary for parsing, processing and vizualization of taxonomy data (bioinformatics, gpl, library)
TaxonomyTools programs: Tool for parsing, processing, comparing and visualizing taxonomy data (bioinformatics, gpl, program)
TeX-my-math library and test: Render general Haskell math to LaTeX. Or: math typesetting with high signal-to-noise–ratio. (gpl, library, math)
TeaHS library: TeaHS Game Creation Library (bsd3, deprecated, game, library)
Tensor library: Tensor data types (bsd3, data, library)
TernaryTrees library and program: Efficient pure ternary tree Sets and Maps (bsd3, data-structures, library, program)
TestExplode library: Generates testcases from program-snippets (lgpl, library, testing)
Theora library: (library, unclassified)
Thingie library: Purely functional 2D drawing (bsd3, deprecated, graphics, library)
ThreadObjects library: Mutable objects that reside in their own threads. (concurrency, gpl, library)
Thrift library: Haskell bindings for the Apache Thrift RPC system (foreign, library)
Tic-Tac-Toe program: Tic Tac Toe in your command line! (apache, game, program)
TicTacToe library: A sub-project (exercise) for a functional programming course (bsd3, education, library)
TigerHash library: TigerHash with C implementation (cryptography, gpl, library)
TimePiece library and program: A simple tile-based digital clock screen saver (library, program, public-domain, screensaver)
TinyLaunchbury library: Simple implementation of call-by-need using Launchbury's semantics (bsd3, compilers-interpreters, library)
TinyURL library: Use TinyURL to compress URLs (bsd3, library, web)
Titim program: Game for Lounge Marmelade (game, gpl, program)
Top library and program: Constraint solving framework employed by the Helium Compiler. (constraints, library, program)
Tournament library and test: Tournament related algorithms (game, library, mit)
TraceUtils library: Functions that should have been in Debug.Trace (bsd3, development, library)
TransformeR library, program and test: eDSL in R for Safe Variable Transformarion (bsd3, deprecated, dsl, library, program, security, statistics)
TransformersStepByStep program: Tutorial on monad transformers. (bsd3, development, program)
Transhare library: A library to apply transformation to containers so as to maximize sharing of unchanged subcomponents. (bsd3, data, library)
TreeCounter library: Wait-free Tree Counter (bsd3, data, library)
TreeStructures library: A collection of heaps and search trees (bsd3, data-structures, library)
TreeT library: Transformer for Data.Tree (control, library, monads, public-domain)
Treiber library: Lock free Treiber stack (bsd3, data, library)
TrendGraph library: A simple trend Graph script (graphics, library, public-domain)
TrieMap library: Automatic type inference of generalized tries with Template Haskell. (algorithms, bsd3, library)
Twofish library and test: An implementation of the Twofish Symmetric-key cipher. (bsd3, codec, cryptography, library)
TypeClass program: Typing speed game (bsd3, game, program)
TypeCompose library: Type composition classes & instances (bsd3, composition, control, library)
TypeIlluminator program: TypeIlluminator is a prototype tool exploring debugging of type errors/ (bsd3, compilers-interpreters, program)
TypeNat library: Some Nat-indexed types for GHC (data, library, mit)
TypingTester program: Command Line Typing speed tester (game, gpl, program)
UISF library: Library for Arrowized Graphical User Interfaces. (bsd3, gui, library)
UMM program: A small command-line accounting tool (finance, program)
URLT library: Library for maintaining correctness of URLs within an application. (bsd3, deprecated, language, library, web)
URLb library: DEPRECATED A simple, liberal URL parser. (bsd3, library, text)
UTFTConverter library, program and test: Processing popular picture formats into .c or .raw format in RGB565 (graphics, library, mit, program, text)
Unique library and test: It provides the functionality like unix "uniq" utility (bsd3, data, library)
Unixutils library: A crude interface between Haskell and Unix-like operating systems (bsd3, library, system)
Unixutils-shadow library: A simple interface to shadow passwords (aka, shadow.h) (bsd3, library, system)
Updater library: Monadic FRP library based on stm (apache, frp, library)
UrlDisp library: Url dispatcher. Helps to retain friendly URLs in web applications. (bsd3, library, network, web)
Useful library: Some useful functions and shorthands. (bsd3, library, unclassified)
UtilityTM library: Utility functions that are missing from the standard library (bsd3, development, library)
VKHS library and program: Provides access to Vkontakte social network via public API (bsd3, library, program, web)
Validation library: A data-type like Either but with an accumulating Applicative (bsd3, data, deprecated, library)
Vec library: Fixed-length lists and low-dimensional linear algebra. (bsd3, data, library, math)
Vec-Boolean library: Provides Boolean instances for the Vec package (bsd3, data, library, math)
Vec-OpenGLRaw library: Instances and functions to interoperate Vec and OpenGL. (bsd3, graphics, library, math)
Vec-Transform library: This package is obsolete (bsd3, graphics, library, math)
VecN library: a simple peano-indexed vector type (bsd3, data, library)
Verba program: A solver for the WordBrain game (game, mit, program)
ViennaRNA-bindings library and test: ViennaRNA v2 bindings (bindings, bioinformatics, ffi, library)
ViennaRNA-extras library and test: ViennaRNA v2 extensions (bioinformatics, bsd3, library)
ViennaRNAParser library and test: Libary for parsing ViennaRNA package output (bioinformatics, gpl, library)
Villefort library, program and test: Villefort is a task manager and time tracker written in haskell. (bsd3, library, program, web)
Vulkan library: A binding for the Vulkan API (bsd3, graphics, library)
WAVE library and program: WAVE audio file IO library (bsd3, data, library, program, sound)
WL500gPControl programs: A simple command line tools to control the Asus WL500gP router (bsd3, network, program, ui)
WL500gPLib library and program: A simple library to access to the WL 500gP router from the Haskell code (bsd3, library, network, program)
WMSigner library and test: WebMoney authentication module (cryptography, data, library, mit)
WURFL library: Convert the WURFL file into a Parsec parser (bsd3, deprecated, library, web)
WXDiffCtrl library: WXDiffCtrl (bsd3, gui, library, user-interfaces)
WashNGo library and programs: WASH is a family of EDSLs for programming Web applications in Haskell. (bsd3, library, program, web)
WaveFront library: Parsers and utilities for the OBJ WaveFront 3D model format (graphics, library, mit)
Weather library: Library for interacting with the Weather Underground JSON API. (bsd3, library, net)
WebBits library: JavaScript analysis tools (bsd3, deprecated, language, library)
WebBits-Html library: JavaScript analysis tools (language, library)
WebBits-multiplate library: A Multiplate instance for JavaScript. (language, library, mit)
WebCont library: Continuation based web programming for Happstack (bsd3, library, web)
WeberLogic library and program: Logic interpreter (bsd3, library, math, program)
Webrexp library and program: Regexp-like engine to scrap web data (bsd3, library, program, utility)
Wheb library and test: The frictionless WAI Framework (bsd3, library, web)
WikimediaParser library: A parser for wikimedia style article markup. (bsd3, library, parsing)
Win32 : A binding to Windows Win32 API. (bsd3, graphics, system)
Win32-console library: Binding to the Win32 console API (bsd3, console, library, user-interfaces)
Win32-dhcp-server library: Win32 DHCP Server Management API (bsd3, library, system)
Win32-errors library: Alternative error handling for Win32 foreign calls (bsd3, library, system)
Win32-extras library: Provides missing Win32 API (bsd3, graphics, library, system)
Win32-junction-point library: Support for manipulating NTFS junction points. (bsd3, library, system)
Win32-notify library: A binding to part of the Win32 library for file notification (bsd3, library, system)
Win32-security library: Haskell bindings to a security-related functions of the Windows API (library, mit, system)
Win32-services library: Windows service applications (bsd3, library, system)
Win32-services-wrapper library: Wrapper code for making a Win32 service (bsd3, library, system)
Win32-shortcut library: Support for manipulating shortcuts (.lnk files) on Windows (bsd3, library, system)
Wired library: Wire-aware hardware description (bsd3, hardware, language, library)
WordAlignment library, program and test: Bigram word pair alignments. (gpl, library, linguistics, program)
WordNet library: Haskell interface to the WordNet database (bsd3, library, natural-language-processing, text)
WordNet-ghc74 library: Haskell interface to the WordNet database (bsd3, library, natural-language-processing, text)
Wordlint library and program: Plaintext prose redundancy linter. (library, program, text)
Workflow library: Workflow patterns over a monad for thread state logging & recovery (bsd3, control, library, workflow)
WxGeneric library: Generic (SYB3) construction of wxHaskell widgets (gui, library)
X11 library: A binding to the X11 graphics library (bsd3, graphics, library)
X11-extras library: Missing bindings to the X11 graphics library (bsd3, graphics, library)
X11-rm library: A binding to the resource management functions missing from X11. (bsd3, graphics, library)
X11-xdamage library: A binding to the Xdamage X11 extension library (bsd3, graphics, library)
X11-xfixes library: A binding to the Xfixes X11 extension library (graphics, library, mit)
X11-xft library: Bindings to the Xft, X Free Type interface library, and some Xrender parts (graphics, library)
X11-xshape library: A binding to the Xshape X11 extension library (bsd3, graphics, library)
XAttr library: Read, set, and list extended attributes (deprecated, library, system)
XInput library: Bindings for the DirectX XInput library. (bsd3, library, system)
XMLParser library: A library to parse xml (gpl, library, xml)
XMMS library: XMMS2 client library. (library, network, sound)
XMPP library: XMPP library (bsd3, library, network)
XSaiga library and program: An implementation of a polynomial-time top-down parser suitable for NLP (attribute-grammars, bsd3, library, memoization, natural-language-processing, parsercombinators, parsing, program, text)
Xauth library: A binding to the X11 authentication library (bsd3, graphics, library)
Xec program: Gtk command launcher with identicon (bsd3, program, utils)
XmlHtmlWriter library: A library for writing XML and HTML (bsd3, language, library)
Xorshift128Plus library: Pure haskell implementation of xorshift128plus random number generator. (library, math, public-domain)
YACPong program: Yet Another Pong Clone using SDL. (game, mit, program)
YFrob library: Yampa-based library for programming robots (bsd3, frp, library, reactivity, yampa)
Yablog : A simple blog engine powered by Yesod. (bsd3, web)
YamlReference library, program and test: YAML reference implementation (library, program, text)
Yampa library: Library for programming hybrid systems. (bsd3, frp, library, reactivity)
Yampa-core library: Library for programming hybrid systems. (bsd3, frp, library, reactivity)
YampaSynth : Software synthesizer (bsd3, music, sound)
Yocto library: A Minimal JSON Parser & Printer for Haskell (deprecated, library, mit, text)
Yogurt library: A MUD client library (bsd3, library, network)
Yogurt-Standalone program: A functional MUD client (bsd3, network, program)
ZEBEDDE library: Polymer growth simulation method (bsd3, deprecated, library, math)
ZFS library: Oleg's Zipper FS (library, monads, public-domain)
ZMachine program: A Z-machine interpreter (bsd3, game, program)
ZipFold library: Zipping folds (bsd3, data, library)
ZipperAG library: An implementationg of Attribute Grammars using Functional Zippers (bsd3, experimental, library)
Zora library and test: Graphing library wrapper + assorted useful functions (bsd3, library, unclassified)
Zwaluw library: Combinators for bidirectional URL routing (bsd3, library, text)
a50 program: Compare genome assemblies (bioinformatics, program)
abacate library and test: Parser for a language similar to Cucumber's Gherkin (language, library)
abc-puzzle program: Generate instances of the ABC Logic Puzzle. (bsd3, game, program)
abcBridge library and test: Bindings for ABC, A System for Sequential Synthesis and Verification (bsd3, data, library)
abcnotation library: Haskell representation and parser for ABC notation. (bsd3, library, music)
abeson library: interconversion between aeson and bson. (data, library, mit)
abnf library and test: Parse ABNF and generate parsers for the specified document (bsd2, library, text)
abstract-deque library: Abstract, parameterized interface to mutable Deques. (bsd3, data, library)
abstract-deque-tests library and test: A test-suite for any queue or double-ended queue satisfying an interface (bsd3, data, library)
abstract-par library: Type classes generalizing the functionality of the 'monad-par' library. (bsd3, control, library, monads, parallelism)
abstract-par-accelerate library: Provides the class ParAccelerate, nothing more. (bsd3, library, parallelism)
abt library: Abstract binding trees for Haskell (language, library, mit)
ac-machine library: Aho-Corasick string matching algorithm in Haskell (bsd3, data, library)
ac-machine-conduit library: Drive Aho-Corasick machines in Conduit pipelines (bsd3, data, library)
accelerate library and test: An embedded language for accelerated array processing (bsd3, compilers-interpreters, concurrency, data, library, parallelism)
accelerate-arithmetic library and test: Linear algebra and interpolation using the Accelerate framework (bsd3, library, math)
accelerate-bignum library and benchmark: Fixed-length large integer arithmetic for Accelerate (bsd3, compilers-interpreters, concurrency, data, library, parallelism)
accelerate-blas library: Numeric Linear Algebra in Accelerate (bsd3, library, math)
accelerate-cublas library, program and benchmark: Basic Linear Algebra using native CUBLAS library (bsd3, library, math, program)
accelerate-cuda library: Accelerate backend for NVIDIA GPUs (bsd3, compilers-interpreters, concurrency, data, deprecated, library, parallelism)
accelerate-cufft library: Accelerate frontend to the CUFFT library (Fourier transform) (bsd3, library, math)
accelerate-examples library: Examples using the Accelerate library (bsd3, compilers-interpreters, concurrency, data, library, parallelism)
accelerate-fft library: FFT using the Accelerate library (bsd3, compilers-interpreters, concurrency, data, library, parallelism)
accelerate-fftw library: Accelerate frontend to the FFTW library (Fourier transform) (bsd3, library, math)
accelerate-fourier library, test and benchmark: Fast Fourier transform and convolution using the Accelerate framework (bsd3, library, math)
accelerate-fourier-benchmark program: Compare different implementations of the Fast Fourier Transform (bsd3, math, program)
accelerate-io library and test: Read and write Accelerate arrays in various formats (bsd3, compilers-interpreters, concurrency, data, library, parallelism)
accelerate-llvm library: Accelerate backend component generating LLVM IR (bsd3, compilers-interpreters, concurrency, data, library, parallelism)
accelerate-llvm-native library and test: Accelerate backend for multicore CPUs (bsd3, compilers-interpreters, concurrency, data, library, parallelism)
accelerate-llvm-ptx library and test: Accelerate backend for NVIDIA GPUs (bsd3, compilers-interpreters, concurrency, data, library, parallelism)
accelerate-random library: Generate Accelerate arrays filled with high quality pseudorandom numbers (bsd3, data, deprecated, library)
accelerate-typelits library and test: a typesafe way encode accelerate matrices and vectors (library, math)
accelerate-utility library: Utility functions for the Accelerate framework (bsd3, library, parallelism)
accentuateus library: A Haskell implementation of the Accentuate.us API. (bsd3, library, web)
access-time library: Cross-platform support for retrieving file access times (bsd3, library, system)
accuerr library: Data type like Either but with accumulating error type (bsd3, development, library)
ace library and test: Attempto Controlled English parser and printer (bsd3, library, linguistics)
acid-state library and benchmark: Add ACID guarantees to any serializable Haskell data structure. (database, library, public-domain)
acid-state-dist library, tests and benchmarks: A replication backend for acid-state (database, library, mit)
acid-state-tls library: Add TLS support for Data.Acid.Remote (database, library, public-domain)
acl2 library: Writing and calling ACL2 from Haskell. (bsd3, formal-methods, language, library)
acme-all-monad library: A monad which is powerful enough to interpret any action (acme, library, public-domain)
acme-box library, program and test: A full featured empty project (acme, bsd3, library, program)
acme-cadre library: car, cdr and more (acme, library, public-domain)
acme-cofunctor library: A Cofunctor is a structure from category theory dual to Functor (acme, bsd3, library)
acme-colosson library: Determines whether it is numberwang. (acme, bsd3, library)
acme-comonad library: A more efficient dualization (bsd3, library, ntrol)
acme-cuteboy library and program: Maybe gives you a cute boy (acme, library, program, public-domain)
acme-cutegirl library and program: Maybe gives you a cute girl (acme, gpl, library, program)
acme-default library: A class for types with a distinguished aesthetically pleasing value (acme, library)
acme-dont library: A don't construct (acme, bsd3, library)
acme-everything library: Install everything. (acme, library, public-domain)
acme-flipping-tables library: Stop execution with rage. (acme, bsd3, library)
acme-functors library: The best applicative functors. (acme, bsd3, library)
acme-grawlix library: More readable names for commonly used symbols (acme, bsd3, library)
acme-hq9plus library: An embedded DSL for the HQ9+ programming language (acme, library, public-domain)
acme-http library and programs: fastest Haskell PONG server in the world (bsd3, library, program, web)
acme-inator library and program: Evil inventions in the Tri-State area (acme, library, program, public-domain)
acme-io library: The only true way to do IO in Haskell! (acme, library)
acme-iot library: IO monad transformer (control, library, mit)
acme-kitchen-sink library: A place for dumping that does-not-feel-right code while you improve it (bsd3, library, other)
acme-left-pad library: free your haskell from the tyranny of npm! (agpl, library, text)
acme-lolcat library: LOLSPEAK translator (acme, bsd3, library)
acme-lookofdisapproval library: Express your disapproval (acme, bsd3, library)
acme-memorandom library: Memoized random number generation (acme, library, mit)
acme-microwave library: The eighth wonder of the world, kitchen math! (acme, bsd3, library)
acme-miscorder library: Miscellaneous newtypes for orderings of discutable use. (acme, library, public-domain)
acme-missiles library: Cause serious international side effects. (acme, library, public-domain)
acme-mutable-package library: A mutable package. (acme, deprecated, library, mit)
acme-now library: An interface to the philosophical and metaphysical "now" (acme, library, public-domain)
acme-numbersystem library: Define the less than and add and subtract for nats (acme, bsd3, library)
acme-omitted library and test: A name for omitted definitions (acme, bsd3, library)
acme-one library: The identity element of package dependencies (acme, library, public-domain)
acme-operators library: Operators of base, all in one place! (bsd3, documentation, library)
acme-php library: The flexibility of Haskell and the safety of PHP (acme, bsd3, library)
acme-pointful-numbers library: Make more than one point in numeric literals (acme, bsd3, library)
acme-realworld library: Primitives for manipulating the state of the universe (acme, bsd3, library)
acme-safe library: Safe versions of some infamous haskell functions such as fromJust (acme, library)
acme-schoenfinkel library and test: Proper names for curry and uncurry (acme, bsd3, library)
acme-smuggler library and test: Smuggle arbitrary values in () (acme, bsd3, library)
acme-strfry library: A binding to the glibc strfry function. (acme, bsd3, library)
acme-stringly-typed library: Stringly Typed Programming (acme, bsd3, library)
acme-strtok library: A Haskell port of the C/PHP strtok function (acme, library, public-domain)
acme-timemachine library: An easy way to perform and unperform IO and other stateful actions. (acme, bsd3, library)
acme-year library, test and benchmark: Get the current year (acme, library, public-domain)
acme-zalgo library: A somewhat flexible Zalgo̐ te̳͜x̥̖̉̓͞t̍̌̔ ̀̃t̴̢̞̜͓̝r̶̬̆̂̒͟á̧̡͎͔̯̰̕n̹̾̓ͬͦ̍͘ṡ̢͓͉ͮ͆l̠̖̹̗̳̖̽̌ͤ͞a͚̭͙̹̲ͭͩt͈͐o̢̭͇͍̟͐ͬ̾ͪ͜r͇.̸̅ͭ̐̀̊ͨ͛ (acme, library, mit)
acme-zero library: The absorbing element of package dependencies (acme, library, public-domain)
action-permutations library: Execute a set of actions (e.g. parsers) in each possible order (bsd3, control, library)
active library and test: Abstractions for animation (bsd3, data, library)
activehs program: Haskell code presentation tool (bsd3, documentation, education, program)
activehs-base library: Basic definitions for activehs (bsd3, documentation, education, library)
activitystreams-aeson library: An interface to the ActivityStreams specification (bsd3, codec, library)
actor library: Actors with multi-headed receive clauses (bsd3, concurrency, library)
ad library, test and benchmark: Automatic Differentiation (bsd3, library, math)
adaptive-containers library: Self optimizing container types (bsd3, data, library)
adaptive-tuple library: Self-optimizing tuple types (bsd3, data, library)
adb library: Android Debug Bridge (ADB) protocol (bsd3, library, network)
adblock2privoxy program: Convert adblock config files to privoxy format (gpl, program, web)
addLicenseInfo program: Adds license info to the top of a file. (bsd3, development, program)
adhoc-network library: Ad-hoc P2P network protocol (library, network)
adict library and test: Approximate dictionary searching (bsd3, library, natural-language-processing)
adjunctions library and test: Adjunctions and representable functors (adjunctions, bsd3, data-structures, library)
adler32 library and test: An implementation of Adler-32, supporting rolling checksum operation (bsd3, cryptography, hash, library)
adobe-swatch-exchange library and programs: parse Adobe Swatch Exchange files and (optionally) output .css files with the colors (bsd3, library, program, web)
adp-multi library and test: ADP for multiple context-free languages (algorithms, bioinformatics, bsd3, data-structures, library)
adp-multi-monadiccp library and test: Subword construction in adp-multi using monadiccp (algorithms, bioinformatics, bsd3, data-structures, library)
aern2-mp library and test: Multi-precision floats via MPFR (bsd3, library, math)
aern2-real library, program and test: Exact real numbers via Cauchy sequences and MPFR (bsd3, library, math, program)
aeson library and test: Fast JSON parsing and encoding (bsd3, json, library, text, web)
aeson-applicative library: make To/From JSOn instances from an applicative description (data, library, mit)
aeson-attoparsec library and test: Embed an Attoparsec text parser into an Aeson parser (bsd3, library, web)
aeson-better-errors library: Better error messages when decoding JSON values. (json, library, mit, text, web)
aeson-bson library: Mapping between Aeson's JSON and Bson objects. (data, library)
aeson-casing library and test: Tools to change the formatting of field names in Aeson instances. (data, library, mit)
aeson-coerce library: Initial project template from stack (bsd3, library, web)
aeson-compat library and test: Compatibility layer for aeson (bsd3, library, web)
aeson-diff library, programs and tests: Extract and apply patches to JSON documents. (algorithms, bsd3, json, library, program, web)
aeson-diff-generic library: Apply a json-patch to any haskell datatype. (bsd3, json, library, web)
aeson-extra library and test: Extra goodies for aeson (bsd3, library, web)
aeson-filthy library and test: Several newtypes and combinators for dealing with less-than-cleanly JSON input. (bsd3, json, library, text, web)
aeson-flat library and test: Tools for creating flat JSON serializations (bsd3, library, web)
aeson-flatten library and test: JSON flatten for Aeson (bsd3, json, library, text, web)
aeson-flowtyped library and test: Create Flow type definitions from Haskell data types. (bsd3, library, web)
aeson-generic-compat library: Compatible generic class names of Aeson (bsd3, library, text)
aeson-injector library and test: Injecting fields into aeson values (data, json, library, mit, web)
aeson-iproute library and test: Aeson instances for iproute types (bsd3, data, library)
aeson-json-ast library: Integration layer for "json-ast" and "aeson" (library, mit, unclassified)
aeson-lens library and test: Lens of Aeson (bsd3, data, library)
aeson-native library: Fast JSON parsing and encoding (deprecated) (bsd3, deprecated, json, library, text, web)
aeson-options library: Options to derive FromJSON/ToJSON instances (data, json, library, mit)
aeson-parsec-picky library: Alternative JSON parser based on Parsec and Aeson (bsd3, json, library, text)
aeson-picker library and test: Tiny library to get fields from JSON format (bsd3, json, library, text, web)
aeson-prefix library and test: Hiearchical prefixing for aeson (bsd3, json, library, text, web)
aeson-pretty library: JSON pretty-printing library and command-line tool. (bsd3, json, library, pretty-printer, text, web)
aeson-qq library and test: JSON quasiquoter for Haskell (json, library, mit)
aeson-quick library, test and benchmark: Quick JSON extractions with Aeson (bsd3, json, library, text, web)
aeson-schema library and test: Haskell JSON schema validator and parser generator (data, library, mit)
aeson-serialize library and test: Simple serialization functions for aeson types (bsd3, library, unclassified)
aeson-smart library: Smart derivation of Aeson instances (library, mit, web)
aeson-streams library: An HTTP client library for JSON-based APIs (bsd3, library, web)
aeson-t library and test: Transform JSON (data, library, mit)
aeson-tiled library, program and test: Aeson instances for the Tiled map editor. (bsd3, game, library, program)
aeson-toolkit library and test: A generalization of Aeson over Failure (json, library, mit, text, web)
aeson-typescript library and test: Generate TypeScript definition files from your ADTs (bsd3, json, library, text, web)
aeson-utils library: Utilities for working with Aeson. (bsd3, data, library)
aeson-value-parser library: An API for parsing "aeson" JSON tree into Haskell types (data, json, library, mit, parsing)
aeson-yak library: Handle JSON that may or may not be a list, or exist (data, library, mit)
affection library: A simple Game Engine using SDL (game, lgpl, library)
affine-invariant-ensemble-mcmc library: General-purpose sampling (bsd3, deprecated, library, machine-learning, numerical, statistics)
affinely-extended library: (data, library, mit)
afis library and test: Anti-forensic Information Splitter (bsd3, cryptography, data, library)
afv program: Infinite state model checking of iterative C programs. (bsd3, formal-methods, program)
ag-pictgen program: Attribute Grammar picture generation (bsd3, development, program)
agda-server program: Http server for Agda (prototype) (bsd3, dependent-types, program)
agda-snippets library and program: Render just the Agda snippets of a literate Agda file to HTML (bsd3, dependent-types, library, program)
agda-snippets-hakyll library: Literate Agda support using agda-snippets, for Hakyll pages. (bsd3, dependent-types, library)
agentx library: AgentX protocol for write SNMP subagents (bsd3, library, network)
agum library and program: Unification and Matching in an Abelian Group (algebra, library, program)
aig library and test: And-inverter graphs in Haskell. (bsd3, data, library)
aip library, program and test: Aeronautical Information Package (AIP) (aviation, bsd3, data, library, program)
air library: air (bsd3, development, library)
air-extra library: air-extra (bsd3, development, library)
air-spec library: air spec helper (bsd3, development, library)
air-th library: air (bsd3, development, library)
airbrake library: An Airbrake notifier for Haskell (bsd3, library, network)
airship library and test: A Webmachine-inspired HTTP library (library, mit, web)
airtable-api library and test: Requesting and introspecting Tables within an Airtable project. (bsd3, library, web)
aivika library: A multi-method simulation library (bsd3, library, simulation)
aivika-branches library: Nested discrete event simulation module for the Aivika library (bsd3, library, simulation)
aivika-distributed library: Parallel distributed discrete event simulation module for the Aivika library (bsd3, library, simulation)
aivika-experiment library: Simulation experiments for the Aivika library (bsd3, library, simulation)
aivika-experiment-cairo library: Cairo-based charting backend for the Aivika simulation library (bsd3, library, simulation)
aivika-experiment-chart library: Simulation experiments with charting for the Aivika library (bsd3, library, simulation)
aivika-experiment-diagrams library: Diagrams-based charting backend for the Aivika simulation library (bsd3, library, simulation)
aivika-gpss library: GPSS-like DSL for Aivika (bsd3, library, simulation)
aivika-lattice library: Nested discrete event simulation module for the Aivika library using lattice (bsd3, library, simulation)
aivika-realtime library: Soft real-time simulation module for the Aivika library (bsd3, library, simulation)
aivika-transformers library: Transformers for the Aivika simulation library (bsd3, library, simulation)
ajhc library and programs: Haskell compiler that produce binary through C language (compiler, gpl, library, program)
al library: OpenAL 1.1 raw API. (bsd3, library, sound)
alarmclock library: Wake up and perform an action at a certain time. (bsd3, concurrency, library)
alea program: a diceware passphrase generator (mit, program, utility)
alerta library: Bindings to the alerta REST API (api, bsd3, library, monitoring, web)
alerts library: Alert messages for web applications (bsd3, library, web)
alex program and test: Alex is a tool for generating lexical analysers in Haskell (bsd3, development, program)
alex-meta library: Quasi-quoter for Alex lexers (bsd3, development, library)
alex-prelude library: Collection of useful functions for writing console applications (bsd3, library, system)
alex-tools library: A set of functions for a common use case of Alex. (development, library)
alfred library: utility library for Alfred version 2 (bsd3, library, utils)
alg library: Algebraic structures (bsd3, library, math)
alga library, program and test: Algorithmic automation for various DAWs (deprecated, gpl, language, library, program)
algebra library: Constructive abstract algebra (algebra, bsd3, library, math)
algebra-dag library: Infrastructure for DAG-shaped relational algebra plans (bsd3, database, library)
algebra-sql library and programs: Relational Algebra and SQL Code Generation (bsd3, database, library, program)
algebraic library: General linear algebra structures. (algebra, bsd3, library, math)
algebraic-classes library: Conversions between algebraic classes and F-algebras. (bsd3, data, generics, library, math)
algebraic-graphs library, test and benchmark: A library for algebraic graph construction and transformation (algebra, algorithms, data-structures, graphs, library, mit)
algebraic-prelude library: Algebraically structured Prelude (bsd3, library, web)
algo-s library, program, test and benchmark: An implementation of Knuth's algorithm S. (apache, data, library, program)
align library: Sequence alignment algorithms. (bsd3, data, library)
align-text program: A simple unix filter to align text on specified substrings (mit, program, text)
aligned-foreignptr library: An aligned ForeignPtr type (foreign, library, public-domain, system)
allocated-processor library: Functional combinators for monadic actions that require allocation and de-allocation (bsd3, control, library)
alloy library: Generic programming library (bsd3, generics, library)
alloy-proxy-fd library: Some add-on instances for the Alloy library (bsd3, generics, library)
almost-fix library: Recurse while a predicate is satisfied (bsd3, library, unclassified)
alms program: a practical affine language (bsd3, compilers-interpreters, program)
alpha program: A compiler for the Alpha language (bsd3, compiler, program)
alphachar library and test: A character between a-z (bsd3, library, prelude)
alpino-tools library and programs: Alpino data manipulation tools (data, deprecated, library, natural-language-processing, program)
alsa library: Binding to the ALSA Library API. (bsd3, deprecated, library, music, sound)
alsa-core library: Binding to the ALSA Library API (Exceptions). (bsd3, library, music, sound)
alsa-gui programs: Some simple interactive programs for sending MIDI control messages via ALSA (bsd3, gui, music, program, sound)
alsa-midi library and programs: Bindings for the ALSA sequencer API (MIDI stuff) (deprecated, library, music, program, sound)
alsa-mixer library: Bindings to the ALSA simple mixer API. (bsd3, library, sound)
alsa-pcm library: Binding to the ALSA Library API (PCM audio). (bsd3, library, music, sound)
alsa-pcm-tests programs: Tests for the ALSA audio signal library. (bsd3, deprecated, music, program, sound)
alsa-seq library: Binding to the ALSA Library API (MIDI sequencer). (bsd3, library, music, sound)
alsa-seq-tests programs: Tests for the ALSA sequencer library. (bsd3, deprecated, music, program, sound)
altcomposition library: Alternative combinators for unorthodox function composition (bsd3, data, library)
alternative-extra library: Extra utilities for alternatives (bsd3, control, library)
alternative-io library: IO as Alternative instance (deprecated) (bsd3, data, deprecated, library)
alternative-vector library: Use vectors instead of lists for many and some (bsd3, library, web)
alternators library: Handy functions when using transformers (bsd3, control, library)
altfloat library: Alternative floating point support for GHC. (library, numerical)
alto library and program: Implement a menu experience fit for web users. (bsd3, library, program, web)
alure library: A Haskell binding for ALURE (library, sound)
amazon-emailer programs: A queue daemon for Amazon's SES with a PostgreSQL table as a queue. (bsd3, deprecated, network, program)
amazon-emailer-client-snap library: Client library for amazon-emailer daemon (bsd3, deprecated, library, network)
amazon-products library and program: Connector for Amazon Products API (library, mit, program, web)
amazonka library and test: Comprehensive Amazon Web Services SDK. (aws, cloud, distributed-computing, library, mpl, network)
amazonka-apigateway library and test: Amazon API Gateway SDK. (aws, cloud, distributed-computing, library, mpl, network)
amazonka-application-autoscaling library and test: Amazon Application Auto Scaling SDK. (aws, cloud, distributed-computing, library, mpl, network)
amazonka-appstream library and test: Amazon AppStream SDK. (aws, cloud, distributed-computing, library, mpl, network)
amazonka-athena library and test: Amazon Athena SDK. (aws, cloud, distributed-computing, library, mpl, network)
amazonka-autoscaling library and test: Amazon Auto Scaling SDK. (aws, cloud, distributed-computing, library, mpl, network)
amazonka-batch library and test: Amazon Batch SDK. (aws, cloud, distributed-computing, library, mpl, network)
amazonka-budgets library and test: Amazon Budgets SDK. (aws, cloud, distributed-computing, library, mpl, network)
amazonka-certificatemanager library and test: Amazon Certificate Manager SDK. (aws, cloud, distributed-computing, library, mpl, network)
amazonka-clouddirectory library and test: Amazon CloudDirectory SDK. (aws, cloud, distributed-computing, library, mpl, network)
amazonka-cloudformation library and test: Amazon CloudFormation SDK. (aws, cloud, distributed-computing, library, mpl, network)
amazonka-cloudfront library and test: Amazon CloudFront SDK. (aws, cloud, distributed-computing, library, mpl, network)
amazonka-cloudhsm library and test: Amazon CloudHSM SDK. (aws, cloud, distributed-computing, library, mpl, network)
amazonka-cloudhsmv2 library and test: Amazon CloudHSM V2 SDK. (aws, cloud, distributed-computing, library, mpl, network)
amazonka-cloudsearch library and test: Amazon CloudSearch SDK. (aws, cloud, distributed-computing, library, mpl, network)
amazonka-cloudsearch-domains library and test: Amazon CloudSearch Domain SDK. (aws, cloud, distributed-computing, library, mpl, network)
amazonka-cloudtrail library and test: Amazon CloudTrail SDK. (aws, cloud, distributed-computing, library, mpl, network)
amazonka-cloudwatch library and test: Amazon CloudWatch SDK. (aws, cloud, distributed-computing, library, mpl, network)
amazonka-cloudwatch-events library and test: Amazon CloudWatch Events SDK. (aws, cloud, distributed-computing, library, mpl, network)
amazonka-cloudwatch-logs library and test: Amazon CloudWatch Logs SDK. (aws, cloud, distributed-computing, library, mpl, network)
amazonka-codebuild library and test: Amazon CodeBuild SDK. (aws, cloud, distributed-computing, library, mpl, network)
amazonka-codecommit library and test: Amazon CodeCommit SDK. (aws, cloud, distributed-computing, library, mpl, network)
amazonka-codedeploy library and test: Amazon CodeDeploy SDK. (aws, cloud, distributed-computing, library, mpl, network)
amazonka-codepipeline library and test: Amazon CodePipeline SDK. (aws, cloud, distributed-computing, library, mpl, network)
amazonka-codestar library and test: Amazon CodeStar SDK. (aws, cloud, distributed-computing, library, mpl, network)
amazonka-cognito-identity library and test: Amazon Cognito Identity SDK. (aws, cloud, distributed-computing, library, mpl, network)
amazonka-cognito-idp library and test: Amazon Cognito Identity Provider SDK. (aws, cloud, distributed-computing, library, mpl, network)
amazonka-cognito-sync library and test: Amazon Cognito Sync SDK. (aws, cloud, distributed-computing, library, mpl, network)
amazonka-config library and test: Amazon Config SDK. (aws, cloud, distributed-computing, library, mpl, network)
amazonka-core library and test: Core data types and functionality for Amazonka libraries. (aws, cloud, distributed-computing, library, mpl, network)
amazonka-cur library and test: Amazon Cost and Usage Report Service SDK. (aws, cloud, distributed-computing, library, mpl, network)
amazonka-datapipeline library and test: Amazon Data Pipeline SDK. (aws, cloud, distributed-computing, library, mpl, network)
amazonka-devicefarm library and test: Amazon Device Farm SDK. (aws, cloud, distributed-computing, library, mpl, network)
amazonka-directconnect library and test: Amazon Direct Connect SDK. (aws, cloud, distributed-computing, library, mpl, network)
amazonka-discovery library and test: Amazon Application Discovery Service SDK. (aws, cloud, distributed-computing, library, mpl, network)
amazonka-dms library and test: Amazon Database Migration Service SDK. (aws, cloud, distributed-computing, library, mpl, network)
amazonka-ds library and test: Amazon Directory Service SDK. (aws, cloud, distributed-computing, library, mpl, network)
amazonka-dynamodb library and test: Amazon DynamoDB SDK. (aws, cloud, distributed-computing, library, mpl, network)
amazonka-dynamodb-dax library and test: Amazon DynamoDB Accelerator (DAX) SDK. (aws, cloud, distributed-computing, library, mpl, network)
amazonka-dynamodb-streams library and test: Amazon DynamoDB Streams SDK. (aws, cloud, distributed-computing, library, mpl, network)
amazonka-ec2 library and test: Amazon Elastic Compute Cloud SDK. (aws, cloud, distributed-computing, library, mpl, network)
amazonka-ecr library and test: Amazon EC2 Container Registry SDK. (aws, cloud, distributed-computing, library, mpl, network)
amazonka-ecs library and test: Amazon EC2 Container Service SDK. (aws, cloud, distributed-computing, library, mpl, network)
amazonka-efs library and test: Amazon Elastic File System SDK. (aws, cloud, distributed-computing, library, mpl, network)
amazonka-elasticache library and test: Amazon ElastiCache SDK. (aws, cloud, distributed-computing, library, mpl, network)
amazonka-elasticbeanstalk library and test: Amazon Elastic Beanstalk SDK. (aws, cloud, distributed-computing, library, mpl, network)
amazonka-elasticsearch library and test: Amazon Elasticsearch Service SDK. (aws, cloud, distributed-computing, library, mpl, network)
amazonka-elastictranscoder library and test: Amazon Elastic Transcoder SDK. (aws, cloud, distributed-computing, library, mpl, network)
amazonka-elb library and test: Amazon Elastic Load Balancing SDK. (aws, cloud, distributed-computing, library, mpl, network)
amazonka-elbv2 library and test: Amazon Elastic Load Balancing SDK. (aws, cloud, distributed-computing, library, mpl, network)
amazonka-emr library and test: Amazon Elastic MapReduce SDK. (aws, cloud, distributed-computing, library, mpl, network)
amazonka-gamelift library and test: Amazon GameLift SDK. (aws, cloud, distributed-computing, library, mpl, network)
amazonka-glacier library and test: Amazon Glacier SDK. (aws, cloud, distributed-computing, library, mpl, network)
amazonka-glue library and test: Amazon Glue SDK. (aws, cloud, distributed-computing, library, mpl, network)
amazonka-greengrass library and test: Amazon Greengrass SDK. (aws, cloud, distributed-computing, library, mpl, network)
amazonka-health library and test: Amazon Health APIs and Notifications SDK. (aws, cloud, distributed-computing, library, mpl, network)
amazonka-iam library and test: Amazon Identity and Access Management SDK. (aws, cloud, distributed-computing, library, mpl, network)
amazonka-iam-policy library and tests: Amazon IAM Policy Document DSL and Combinators. (aws, cloud, library, mpl, network)
amazonka-importexport library and test: Amazon Import/Export SDK. (aws, cloud, distributed-computing, library, mpl, network)
amazonka-inspector library and test: Amazon Inspector SDK. (aws, cloud, distributed-computing, library, mpl, network)
amazonka-iot library and test: Amazon IoT SDK. (aws, cloud, distributed-computing, library, mpl, network)
amazonka-iot-dataplane library and test: Amazon IoT Data Plane SDK. (aws, cloud, distributed-computing, library, mpl, network)
amazonka-kinesis library and test: Amazon Kinesis SDK. (aws, cloud, distributed-computing, library, mpl, network)
amazonka-kinesis-analytics library and test: Amazon Kinesis Analytics SDK. (aws, cloud, distributed-computing, library, mpl, network)
amazonka-kinesis-firehose library and test: Amazon Kinesis Firehose SDK. (aws, cloud, distributed-computing, library, mpl, network)
amazonka-kms library and test: Amazon Key Management Service SDK. (aws, cloud, distributed-computing, library, mpl, network)
amazonka-lambda library and test: Amazon Lambda SDK. (aws, cloud, distributed-computing, library, mpl, network)
amazonka-lex-models library and test: Amazon Lex Model Building Service SDK. (aws, cloud, distributed-computing, library, mpl, network)
amazonka-lex-runtime library and test: Amazon Lex Runtime Service SDK. (aws, cloud, distributed-computing, library, mpl, network)
amazonka-lightsail library and test: Amazon Lightsail SDK. (aws, cloud, distributed-computing, library, mpl, network)
amazonka-marketplace-analytics library and test: Amazon Marketplace Commerce Analytics SDK. (aws, cloud, distributed-computing, library, mpl, network)
amazonka-marketplace-entitlement library and test: Amazon Marketplace Entitlement Service SDK. (aws, cloud, distributed-computing, library, mpl, network)
amazonka-marketplace-metering library and test: Amazon Marketplace Metering SDK. (aws, cloud, distributed-computing, library, mpl, network)
amazonka-mechanicalturk library and test: Amazon Mechanical Turk SDK. (aws, cloud, distributed-computing, library, mpl, network)
amazonka-migrationhub library and test: Amazon Migration Hub SDK. (aws, cloud, distributed-computing, library, mpl, network)
amazonka-ml library and test: Amazon Machine Learning SDK. (aws, cloud, distributed-computing, library, mpl, network)
amazonka-mobile library and test: Amazon Mobile SDK. (aws, cloud, distributed-computing, library, mpl, network)
amazonka-opsworks library and test: Amazon OpsWorks SDK. (aws, cloud, distributed-computing, library, mpl, network)
amazonka-opsworks-cm library and test: Amazon OpsWorks for Chef Automate SDK. (aws, cloud, distributed-computing, library, mpl, network)
amazonka-organizations library and test: Amazon Organizations SDK. (aws, cloud, distributed-computing, library, mpl, network)
amazonka-pinpoint library and test: Amazon Pinpoint SDK. (aws, cloud, distributed-computing, library, mpl, network)
amazonka-polly library and test: Amazon Polly SDK. (aws, cloud, distributed-computing, library, mpl, network)
amazonka-pricing library and test: Amazon Price List Service SDK. (aws, cloud, distributed-computing, library, mpl, network)
amazonka-rds library and test: Amazon Relational Database Service SDK. (aws, cloud, distributed-computing, library, mpl, network)
amazonka-redshift library and test: Amazon Redshift SDK. (aws, cloud, distributed-computing, library, mpl, network)
amazonka-rekognition library and test: Amazon Rekognition SDK. (aws, cloud, distributed-computing, library, mpl, network)
amazonka-resourcegroupstagging library and test: Amazon Resource Groups Tagging API SDK. (aws, cloud, distributed-computing, library, mpl, network)
amazonka-route53 library and test: Amazon Route 53 SDK. (aws, cloud, distributed-computing, library, mpl, network)
amazonka-route53-domains library and test: Amazon Route 53 Domains SDK. (aws, cloud, distributed-computing, library, mpl, network)
amazonka-s3 library and test: Amazon Simple Storage Service SDK. (aws, cloud, distributed-computing, library, mpl, network)
amazonka-s3-streaming library: Provides conduits to upload data to S3 using the Multipart API (aws, bsd3, cloud, distributed-computing, library, network)
amazonka-sdb library and test: Amazon SimpleDB SDK. (aws, cloud, distributed-computing, library, mpl, network)
amazonka-servicecatalog library and test: Amazon Service Catalog SDK. (aws, cloud, distributed-computing, library, mpl, network)
amazonka-ses library and test: Amazon Simple Email Service SDK. (aws, cloud, distributed-computing, library, mpl, network)
amazonka-shield library and test: Amazon Shield SDK. (aws, cloud, distributed-computing, library, mpl, network)
amazonka-sms library and test: Amazon Server Migration Service SDK. (aws, cloud, distributed-computing, library, mpl, network)
amazonka-snowball library and test: Amazon Import/Export Snowball SDK. (aws, cloud, distributed-computing, library, mpl, network)
amazonka-sns library and test: Amazon Simple Notification Service SDK. (aws, cloud, distributed-computing, library, mpl, network)
amazonka-sqs library and test: Amazon Simple Queue Service SDK. (aws, cloud, distributed-computing, library, mpl, network)
amazonka-ssm library and test: Amazon Simple Systems Manager (SSM) SDK. (aws, cloud, distributed-computing, library, mpl, network)
amazonka-stepfunctions library and test: Amazon Step Functions SDK. (aws, cloud, distributed-computing, library, mpl, network)
amazonka-storagegateway library and test: Amazon Storage Gateway SDK. (aws, cloud, distributed-computing, library, mpl, network)
amazonka-sts library and test: Amazon Security Token Service SDK. (aws, cloud, distributed-computing, library, mpl, network)
amazonka-support library and test: Amazon Support SDK. (aws, cloud, distributed-computing, library, mpl, network)
amazonka-swf library and test: Amazon Simple Workflow Service SDK. (aws, cloud, distributed-computing, library, mpl, network)
amazonka-test library: Common functionality for Amazonka library test-suites. (aws, cloud, distributed-computing, library, mpl, network)
amazonka-waf library and test: Amazon WAF SDK. (aws, cloud, distributed-computing, library, mpl, network)
amazonka-waf-regional library and test: Amazon WAF Regional SDK. (aws, cloud, distributed-computing, library, mpl, network)
amazonka-workdocs library and test: Amazon WorkDocs SDK. (aws, cloud, distributed-computing, library, mpl, network)
amazonka-workspaces library and test: Amazon WorkSpaces SDK. (aws, cloud, distributed-computing, library, mpl, network)
amazonka-xray library and test: Amazon X-Ray SDK. (aws, cloud, distributed-computing, library, mpl, network)
amby library, test and benchmark: Statistical data visualization (bsd3, graphics, library)
ampersand program and test: Toolsuite for automated design of business processes. (database-design, program)
amqp library, program and test: Client library for AMQP servers (currently only RabbitMQ) (bsd3, library, network, program)
amqp-conduit library and test: Conduit bindings for AMQP (see amqp package) (library, mit, network)
amqp-utils program: Generic Haskell AMQP Consumer (gpl, network, program)
amqp-worker library, program and test: High level functions for working with message queues (bsd3, library, program, web)
amrun program: Interpreter for AM (compilers-interpreters, program)
analyze library and test: making data science easy and safe with data frames (bsd3, data-science, library)
analyze-client library: Client for analyze service (bsd3, library, web)
anansi library and program: Simple literate programming preprocessor (development, gpl, library, program)
anansi-hscolour library: Colorized looms for Anansi (development, gpl, library)
anansi-pandoc library: Looms which use Pandoc to parse and produce a variety of formats. (development, gpl, library)
anatomy library and program: Anatomy: Atomo documentation system (bsd3, development, library, program)
android library: Android methods exposed to Haskell (gpl, library, system)
android-activity library: Turn regular Haskell programs into Android Activities (bsd3, library, mobile)
android-lint-summary library, program and test: A pretty printer for Android Lint errors (apache, library, program, web)
angel program and test: Process management and supervision daemon (bsd3, program, system)
angle library, program and benchmarks: A small, general-purpose programming language. (compilers-interpreters, gpl, library, program)
animalcase library: Convert camelCase to snake_case and vice versa (library, mit, text)
animascii program and test: text-file based ASCII animator (application, gpl, program)
animate library and test: Animation for sprites (bsd3, game, library)
animate-example program: Animation for sprites (bsd3, game, program)
anki-tools library and program: Tools for interacting with Anki database (bsd3, database, library, program)
annah library and program: Medium-level language that desugars to Morte (bsd3, compiler, library, program)
annihilator library: Semigroups with annihilators and utility functions (bsd3, control, deprecated, library)
annotated-wl-pprint library: The Wadler/Leijen Pretty Printer, with annotation support (bsd3, library, text)
anonymous-sums library: Anonymous sum types (bsd3, data, library)
anonymous-sums-tests library: QuickCheck functions to accompany the anonymous-sums package (bsd3, data, library)
ansi-escape-codes library: Haskell package to generate ANSI escape codes for styling strings in the terminal. (library, mit, unclassified)
ansi-pretty library: AnsiPretty for ansi-wl-pprint (bsd3, library, text, user-interfaces)
ansi-terminal library: Simple ANSI terminal support, with Windows compatibility (bsd3, library, user-interfaces)
ansi-terminal-game library and test: sdl-like functions for terminal applications, based on ansi-terminal (game, gpl, library)
ansi-wl-pprint library: The Wadler/Leijen Pretty Printer for colored ANSI terminal output (bsd3, library, text, user-interfaces)
ansigraph library and test: Terminal-based graphing via ANSI and Unicode (graphics, library, mit)
antagonist library and program: A web interface to Antisplice dungeons. (agpl, library, program, web)
antfarm library, program and test: Referring expressions for definitions (bsd3, library, natural-language-processing, program)
anticiv library and program: This is an IRC bot for Mafia and Resistance. (agpl, library, network, program)
antigate library: Interface for antigate.com captcha recognition API (captcha, library, mit, network-apis, text-recognition)
antimirov library and program: Define the language containment (=subtyping) relation on regulare expressions. (language, library, math, program)
antiprimes library and test: Initial project template from stack (bsd3, learning-haskell, library)
antiquoter library: Combinator library for quasi- and anti-quoting. (bsd3, library, template-haskell)
antisplice library: An engine for text-based dungeons. (agpl, game, library)
antlrc library and program: Haskell binding to the ANTLR parser generator C runtime library. (bsd3, library, parsing, program)
anydbm library: Interface for DBM-like database systems (database, library)
aosd library and test: Bindings to libaosd, a library for Cairo-based on-screen displays (bsd3, graphics, library)
ap-reflect library: Partial evaluation reflection a la simple-reflect. (bsd3, debug, library)
apache-md5 library, test and benchmark: Apache specific MD5 digest algorighm. (bsd3, cryptography, data, library)
apecs library, test and benchmark: A fast ECS for game engine programming (bsd3, control, data, game, library)
apelsin program: Server and community browser for the game Tremulous (gpl, network, program)
api-builder library and tests: Library for easily building REST API wrappers in Haskell (bsd3, library, network)
api-field-json-th library and test: option of aeson's deriveJSON (bsd3, library, utils)
api-opentheory-unicode library and test: OpenTheory unicode character API (library, mit, text)
api-tools library, programs and test: DSL for generating API boilerplate and docs (bsd3, cloud, distributed-computing, library, network, program, web)
apiary library and test: Simple and type safe web framework that generate web API documentation. (library, mit, web)
apiary-authenticate library: authenticate support for apiary web framework. (library, mit, web)
apiary-clientsession library: clientsession support for apiary web framework. (library, mit, web)
apiary-cookie library: Cookie support for apiary web framework. (library, mit, web)
apiary-eventsource library: eventsource support for apiary web framework. (library, mit, web)
apiary-helics library: helics support for apiary web framework. (library, mit, web)
apiary-http-client library: A http client for Apiary. (library, mit, web)
apiary-logger library: fast-logger support for apiary web framework. (library, mit, web)
apiary-memcached library: memcached client for apiary web framework. (library, mit, web)
apiary-mongoDB library: mongoDB support for apiary web framework. (library, mit, web)
apiary-persistent library: persistent support for apiary web framework. (library, mit, web)
apiary-purescript library: purescript compiler for apiary web framework. (library, mit, web)
apiary-redis library: redis support for apiary web framework. (library, mit, web)
apiary-session library: session support for apiary web framework. (library, mit, web)
apiary-websockets library: websockets support for apiary web framework. (library, mit, web)
apioiaf-client library and test: Consumer library for anapioficeandfire.com (bsd3, library, web)
apis library: A Template Haskell library for generating type safe API calls (bsd2, library, web)
apns-http2 library and program: Apple Push Notification service HTTP/2 integration. (bsd3, library, network, program)
apotiki library and program: a faster debian repository (library, mit, program, system)
app-lens library and benchmarks: applicative (functional) bidirectional programming beyond composition chains (bsd3, data, lenses, library)
app-settings library and test: A library to manage application settings (INI file-like) (bsd3, configuration, library)
appar library: A simple applicative parser (bsd3, library, parsing)
appc library, program and test: app container types and tools (data, library, mit, program)
applicative-extras library: Instances for Applicative (bsd3, control, library)
applicative-fail library and test: Applicative functor and monad which collects all your fails (bsd3, control, library)
applicative-numbers library: Applicative-based numeric instances (bsd3, data, library, numerical)
applicative-parsec library and test: An applicative parser combinator library (gpl, language, library)
applicative-quoters library: Quasiquoters for idiom brackets and an applicative do-notation (bsd3, language, library)
applicative-splice library: Write applicative programs in direct style (generalizes idiom brackets). (control, library, public-domain)
apply-refact library and program: Perform refactorings specified by the refact library. (bsd3, development, library, program)
apportionment library: Round a set of numbers while maintaining its sum (bsd3, library, math)
approx-rand-test library, programs and test: Approximate randomization test (deprecated, library, program, statistics)
approximate library: Approximate discrete values and numbers (bsd3, library, numeric)
approximate-equality library: Newtype wrappers for approximate equality (bsd3, data, library)
ar-timestamp-wiper library and program: Wipes time stamps from .a files (like ar -D) (application, library, mit, program)
arb-fft library, program and test: Pure Haskell arbitrary length FFT library (bsd3, library, math, program)
arbb-vm library: FFI binding to the Intel Array Building Blocks (ArBB) virtual machine. (bsd3, foreign, library)
arbtt programs and test: Automatic Rule-Based Time Tracker (desktop, gpl, program)
arcgrid library and program: Parse ESRI/ArcInfo (ArcGrid) raster GIS files (bsd3, geo, library, program)
arcgrid-viewer program: Simple viewer for ESRI/ArcInfo (ArcGrid) geospatial data (bsd3, geo, program)
archive library and program: A library and programs for creating hardlinked incremental archives or backups (bsd3, library, program, system)
archiver library and program: Archive supplied URLs in WebCite & Internet Archive (bsd3, documentation, library, network, program)
archlinux library: Support for working with Arch Linux packages. (bsd3, deprecated, distribution, library)
archlinux-web library and programs: Website maintenance for Arch Linux packages (bsd3, distribution, library, program)
archnews program: Convert Arch Linux package updates in RSS to pretty markdown (bsd3, distribution, program)
arena library, tests and benchmark: A journaled data store (bsd3, database, library)
arff library: Generate Attribute-Relation File Format (ARFF) files (bsd3, data, library, text)
arghwxhaskell program: An interpreter for the Argh! programming language in wxHaskell. (gpl, language, program)
argon test: Measure your code's complexity (development, static-analysis)
argon2 library and test: Memory-hard password hash and proof-of-work function (bsd3, cryptography, library)
argparser library and test: Command line parsing framework for console applications (bsd3, console, library)
arguedit program: A computer assisted argumentation transcription and editing software. (argumentation, gpl, program)
ariadne program and test: Go-to-definition for Haskell (language, mit, program)
arion program and test: Watcher and runner for Hspec (mit, program, testing)
arith-encode library and test: A practical arithmetic encoding (aka Godel numbering) library. (bsd3, data, library, serialization, test, testing)
arithmatic library: do things with numbers (bsd3, library, math)
arithmetic library, program and test: Natural number arithmetic (library, mit, number-theory, program)
arithmoi library, test and benchmark: Efficient basic number-theoretic functions. (algorithms, library, math, mit, number-theory)
armada program: Space-based real time strategy game (game, program)
armor library and test: Armor data structures against serialization backwards compatibility problems (bsd3, data, library)
arpa library and program: Library for reading ARPA n-gram models (bsd3, library, natural-language-processing, nlp, program, text)
arpack library and test: Solve large scale eigenvalue problems (bsd3, library, science)
array library: Mutable and immutable arrays (bsd3, data-structures, library)
array-forth library, program and test: A simple interpreter for arrayForth, the language used on GreenArrays chips. (gpl, language, library, program)
array-memoize library: Memoization combinators using arrays for finite sub-domains of functions (bsd3, library, syntax)
array-primops library, test and benchmark: Extra foreign primops for primitive arrays (bsd3, data, library)
array-utils library: Primitive functions for updating many elements in mutable arrays at once (bsd3, data, data-structures, deprecated, library)
arrow-extras library: Extra functions for Control.Arrow (bsd3, control, library)
arrow-improve library: Improved arrows. (control, library, mit)
arrow-list library: List arrows for Haskell. (bsd3, control, library)
arrowapply-utils library: Utilities for working with ArrowApply instances more naturally (bsd3, control, library)
arrowp program: preprocessor translating arrow notation into Haskell 98 (development, program)
arrowp-qq library and program: A preprocessor and quasiquoter for translating arrow notation (development, library, program)
arrows library: Arrow classes and transformers (bsd3, control, library)
artery library: A simple, arrow-based reactive programming (bsd3, control, frp, library)
arx library: Archive execution tool. (bsd3, library, text)
arxiv library: A client for the Arxiv API (api, arxiv, library, network, networkapi)
ascetic library: Generic markup builder. (library, mit, text)
ascii library: Type-safe, bytestring-based ASCII values. (deprecated) (bsd3, data, deprecated, library)
ascii-art-to-unicode library, program and test: ASCII Art to Unicode Box Drawing converter (bsd3, library, program, unclassified)
ascii-cows library: A collection of ASCII cows. Moo. (acme, bsd3, library)
ascii-flatten library and program: Flattens European non-ASCII characaters into ASCII (library, mit, program, text)
ascii-progress library and test: A simple progress bar for the console. (library, mit, system)
ascii-table library: ASCII table (bsd3, data, library)
ascii-vector-avc library and program: Process Ascii Vectors for Advantest 93k (data, gpl, library, program)
ascii85-conduit library and test: Conduit for encoding ByteString into Ascii85 (bsd3, conduit, data, library)
asciidiagram library and program: Pretty rendering of Ascii diagram into svg or png. (bsd3, diagram, library, program, text)
asic program: Action Script Instrumentation Compiler (compilers-interpreters, program)
asil library: Action Script Instrumentation Library (compilers-interpreters, library)
asn1-codec library and test: Encode and decode ASN.1 (bsd3, library, web)
asn1-data library: ASN1 data reader and writer in RAW, BER and DER forms (bsd3, data, deprecated, library)
asn1-encoding library and test: ASN1 data reader and writer in RAW, BER and DER forms (bsd3, data, library)
asn1-parse library: Simple monadic parser for ASN1 stream types. (bsd3, data, library)
asn1-types library: ASN.1 types (bsd3, data, library)
asn1dump program: Dump ASN1 structure (bsd3, debug, program)
aspell-pipe library: Pipe-based interface to the Aspell program (bsd3, library, text)
assembler library and program: Haskell Assembler (bsd3, development, library, program)
assert library and test: Helpers for Control.Exception.assert (bsd3, control, library)
assert-failure library: Syntactic sugar improving 'assert' and 'error' (bsd3, contract, control, library)
assertions library and test: A simple testing framework. (library, mit, testing)
asset-bundle library: A build-time Cabal library that bundles executables with assets (bsd3, bundle, distribution, library, program, zip)
assimp library: The Assimp asset import library (bsd3, graphics, library)
ast-monad library and test: A library for constructing AST by using do-notation (bsd3, language, library)
ast-monad-json library and test: A library for writing JSON (bsd3, language, library)
astar library: General A* search algorithm. (bsd3, data, library)
astrds program: an incomplete 2d space game (bsd3, game, program)
astro library and test: Amateur astronomical computations (bsd3, library, science)
astview program: A GTK-based abstract syntax tree viewer for custom languages and parsers (bsd4, deprecated, language, program)
astview-utils library: Interfacing between hint and astview (bsd4, deprecated, language, library)
async library and test: Run IO operations asynchronously and wait for their results (bsd3, concurrency, library)
async-ajax library: Crossbrowser async AJAX Bindings for GHCJS (library, mit, web)
async-combinators library and test: Async combinators (concurrency, library, mpl)
async-dejafu library and test: Run MonadConc operations asynchronously and wait for their results. (bsd3, concurrency, deprecated, library)
async-extra library: Useful concurrent combinators (library, mit, web)
async-extras library: Extra Utilities for the Async Library (bsd3, concurrency, library)
async-io-either library: Could be useful (bsd3, error-handling, library)
async-manager library and program: A thread manager for async (bsd3, concurrency, library, program)
async-pool library and test: A modified version of async that supports worker groups and many-to-many task dependencies (library, mit, system)
async-refresh library and test: Package implementing core logic for refreshing of expiring data. (bsd3, control, library)
async-refresh-tokens library and test: Package implementing core logic for refreshing of expiring access tokens (bsd3, control, library)
async-timer library and test: Provides API for timer based execution of IO actions (bsd3, concurrency, library)
asynchronous-exceptions library: Distinguish between synchronous and asynchronous exceptions (control, deprecated, library, mit)
aterm library: serialisation for Haskell values with sharing support (data, gpl, library, parsing)
aterm-utils library and program: Utility functions for working with aterms as generated by Minitermite (bsd3, language, library, program)
atl library: Arrow Transformer Library (bsd3, control, library)
atlassian-connect-core library: Atlassian Connect snaplet for the Snap Framework and helper code. (apache, library, snap, web)
atlassian-connect-descriptor library and test: Code that helps you create a valid Atlassian Connect Descriptor. (apache, data, library)
atmos library and test: 1976 US Standard Atmosphere Model (library, public-domain, science)
atmos-dimensional library: dimensional wrapper on atmos package (bsd3, deprecated, library, science)
atmos-dimensional-tf library: dimensional-tf wrapper on atmos package (bsd3, deprecated, library, science)
atndapi library and test: An interface of ATND API (bsd3, library, web)
atom library: An EDSL for embedded hard realtime applications. (bsd3, embedded, language, library)
atom-basic library: Basic Atom feed construction (bsd3, library, web)
atom-conduit library and test: Streaming parser/renderer for the Atom 1.0 standard (RFC 4287). (conduit, library, public-domain, xml)
atom-msp430 library: Convenience functions for using Atom with the MSP430 microcontroller family. (embedded, library, mit)
atomic-file-ops library: Functions to atomically write to files (bsd3, library, system)
atomic-modify library: A typeclass for mutable references that have an atomic modify operation. (apache, concurrency, library)
atomic-primops library: A safe approach to CAS and other atomic ops in Haskell. (bsd3, data, library)
atomic-primops-foreign library and test: An atomic counter implemented using the FFI. (bsd3, data, library)
atomic-primops-vector library and test: Atomic operations on Data.Vector types (bsd3, concurrency, library)
atomic-write library and test: Atomically write to a file (library, mit, system)
atomo program: A highly dynamic, extremely simple, very fun programming language. (bsd3, language, program)
atp-haskell library and test: Translation from Ocaml to Haskell of John Harrison's ATP code (bsd3, library, logic, theorem-provers)
atrans library: A small collection of monad (transformer) instances. (library, mit, monads)
ats-format program: A source-code formatter for ATS (ats, bsd3, development, language, parser, program)
ats-pkg library: A build tool for ATS (ats, bsd3, development, library)
ats-setup library: ATS scripts for Cabal builds (ats, bsd3, cabal, development, library)
ats-storable library and test: Marshal ATS types into Haskell (ats, bsd3, generics, library)
attempt library: Concrete data type for handling extensible exceptions as failures. (deprecated) (bsd3, data, deprecated, failure, library)
attic-schedule program and test: A script I use to run "attic" for my backups. (bsd3, program, web)
atto-lisp library and test: Efficient parsing and serialisation of S-Expressions. (bsd3, data, library, text)
attomail program and test: Minimal mail delivery agent (MDA) for local mail with maildir support (bsd2, email, network, program)
attoparsec library, test and benchmark: Fast combinator parsing for bytestrings and text (bsd3, library, parsing, text)
attoparsec-arff library: An ARFF file parser using Attoparsec (ai, data, gpl, library, text)
attoparsec-base64 library: Fetch only base64 characters, erroring in the attoparsec monad on failure (bsd3, library, web)
attoparsec-binary library: Binary processing extensions to Attoparsec. (bsd3, data, library)
attoparsec-conduit library: Consume attoparsec parsers via conduit. (deprecated) (conduit, data, deprecated, library, mit, parsing)
attoparsec-csv library: A parser for CSV files that uses Attoparsec (library, text)
attoparsec-data library: Parsers for the standard Haskell data types (library, mit, parsing)
attoparsec-enumerator library: Pass input from an enumerator to an Attoparsec parser. (deprecated, enumerator, library, mit, parsing, text)
attoparsec-expr library: Port of parsec's expression parser to attoparsec. (bsd3, library, parsing, text)
attoparsec-ip library and test: Parse IP data types with attoparsec (bsd3, library, web)
attoparsec-iso8601 library: Parsing of ISO 8601 dates, originally from aeson. (bsd3, library, parsing)
attoparsec-iteratee library: An adapter to convert attoparsec Parsers into blazing-fast Iteratees (bsd3, data, library)
attoparsec-parsec library and tests: An Attoparsec compatibility layer for Parsec (library, mit, parsing)
attoparsec-path library and test: Convenience bindings between path and attoparsec (bsd3, library, web)
attoparsec-text library: (deprecated) (bsd3, deprecated, library, parsing, text)
attoparsec-text-enumerator library: (deprecated) (enumerator, library, mit, parsing, text)
attoparsec-time library and test: Attoparsec parsers of time (attoparsec, library, mit, parsers, time)
attoparsec-trans library: Interleaved effects for attoparsec parsers (control, library, mit)
attoparsec-uri library: URI parser / printer using attoparsec (bsd3, library, network)
attosplit library: Split a lazy bytestring at boundaries defined by an attoparsec parser (bsd3, data, library)
atuin program: Embedded Turtle language compiler in Haskell, with Epic output (bsd3, compilers-interpreters, program)
audacity library: Interchange with the Audacity sound signal editor (bsd3, library, sound)
audiovisual library: A battery-included audiovisual framework (bsd3, data, library, records)
augeas library and program: A Haskell FFI wrapper for the Augeas API (library, program, system)
augur program: Renaming media collections in a breeze. (bsd3, program, text)
aur library and test: Access metadata from the Arch Linux User Repository. (gpl, library, linux)
aur-api library: ArchLinux AUR json v5 API (bsd3, library, web)
authenticate library: Authentication methods for Haskell web applications. (library, mit, web)
authenticate-kerberos library: Authentication methods for Haskell web applications. (bsd3, library, web)
authenticate-ldap library: LDAP authentication for Haskell web applications. (bsd3, library, web)
authenticate-oauth library: Library to authenticate with OAuth for Haskell web applications. (bsd3, library, web)
authinfo-hs library: Password querying for .authinfo (library, mit, system)
authoring library: A library for writing papers (bsd3, library, text)
auto library: Denotative, locally stateful programming DSL & platform (control, library, mit)
auto-update library: Efficiently run periodic, on-demand actions (control, library, mit)
autoexporter library and program: Automatically re-export modules. (library, mit, program, utility)
autom library: Generates and displays patterns from next nearest neighbors cellular automata (gpl, graphics, library)
automitive-cse library and test: Automotive CSE emulation (bsd3, codec, deprecated, library)
automotive-cse library and test: Automotive CSE emulation (bsd3, codec, deprecated, library)
autonix-deps library: Library for Nix expression dependency generation (bsd3, deprecated, library, nix)
autonix-deps-kf5 library and program: Generate dependencies for KDE 5 Nix expressions (bsd3, deprecated, library, nix, program)
autoproc library and program: EDSL for Procmail scripts (bsd3, library, program, system)
avahi library: Minimal DBus bindings for Avahi daemon (http://avahi.org) (bsd3, library, network)
avatar-generator program: A simple random avatar icon generator (bsd3, graphics, program)
average library: An average (arithmetic mean) monoid. (bsd3, library, unclassified)
avers library, test and benchmark: Server-side implementation of the Avers storage model (avers, gpl, library)
avers-api library: Types describing the core and extended Avers APIs (avers, library, mit)
avers-api-docs library: Swagger documentation for the Avers API (avers, library, mit)
avers-server library: Server implementation of the Avers API (avers, library, mit)
aviation-cessna172-diagrams library and test: Diagrams for the Cessna 172 aircraft in aviation. (aviation, library)
avl-static library and test: A compile-time balanced AVL tree. (bsd3, data, library)
avr-shake library: AVR Crosspack actions for shake build systems. (development, library, public-domain)
avro library and test: Avro serialization support for Haskell (bsd3, data, library)
avwx library, program and test: Parse aviation weather reports (aviation, library, mit, program)
awesome-prelude library: A prelude which I can be happy with. Based on base-prelude. (gpl, library, prelude)
awesomium library: High-level Awesomium bindings. (graphics, lgpl, library, web)
awesomium-glut library: Utilities for using Awesomium with GLUT. (graphics, lgpl, library, web)
awesomium-raw library: Low-level Awesomium bindings. (graphics, lgpl, library, web)
aws library and tests: Amazon Web Services (AWS) for Haskell (aws, bsd3, cloud, distributed-computing, library, network, web)
aws-cloudfront-signed-cookies library, program and test: Generate signed cookies for AWS CloudFront (aws, cloud, library, mit, network, program)
aws-cloudfront-signer library: For signing AWS CloudFront HTTP URL requests (aws, bsd3, cloud, distributed-computing, library, network, web)
aws-configuration-tools library: Configuration types, parsers & renderers for AWS services (apache, cloud, configuration, library)
aws-dynamodb-conduit library: Conduit-based interface for AWS DynamoDB (aws, library, mit)
aws-dynamodb-streams library: Haskell bindings for Amazon DynamoDB Streams (apache, library, network)
aws-easy library and program: Helper function and types for working with amazonka (library, mit, network, program)
aws-ec2 library and programs: AWS EC2/VPC, ELB and CloudWatch client library for Haskell (aws, bsd3, cloud, distributed-computing, library, network, program, web)
aws-ec2-knownhosts library and programs: Capture and manage AWS EC2 known_host pubkeys (aws, bsd3, library, network, program)
aws-elastic-transcoder library and test: Haskell suite for the Elastic Transcoder service (aws, bsd3, cloud, distributed-computing, library, network, web)
aws-general library and test: Bindings for Amazon Web Services (AWS) General Reference (aws, cloud, distributed-computing, library, mit, network, web)
aws-kinesis library and test: Bindings for Amazon Kinesis (apache, aws, cloud, distributed-computing, library, network, web)
aws-kinesis-client library and program: A producer & consumer client library for AWS Kinesis (apache, cloud, library, program)
aws-kinesis-reshard library and program: Reshard AWS Kinesis streams in response to Cloud Watch metrics (apache, cloud, library, program)
aws-lambda library: Haskell bindings for AWS Lambda (apache, cloud, library, network)
aws-mfa-credentials program: Keep your AWS credentials file up to date with MFA-carrying credentials (apache, config, program)
aws-performance-tests library and program: Performance Tests for the Haskell bindings for Amazon Web Services (AWS) (aws, cloud, distributed-computing, library, mit, network, program, web)
aws-route53 library: Amazon Route53 DNS service plugin for the aws package. (bsd3, library, web)
aws-sdk library and test: AWS SDK for Haskell (aws, bsd3, cloud, distributed-computing, library)
aws-sdk-text-converter library and test: The text converter for aws-sdk. (bsd3, library, web)
aws-sdk-xml-unordered library and test: The xml parser for aws-sdk package (bsd3, library, xml)
aws-ses-easy library, test and benchmark: Wrapper over Amazonka's SES (bsd3, library, network)
aws-sign4 library and test: Amazon Web Services (AWS) Signature v4 HTTP request signer (aws, bsd3, cloud, distributed-computing, library, network, web)
aws-simple library: Dead simple bindings to commonly used AWS Services (library, mit, web)
aws-sns library and test: Bindings for AWS SNS Version 2013-03-31 (aws, cloud, distributed-computing, library, mit, network, web)
axiom library: Web EDSL for running in browsers and server nodes using transient (library, mit, web)
axiomatic-classes library: Specify axioms for type classes and quickCheck all available instances (library, mit, testing)
azubi library and tests: A simple DevOps tool which will never "reach" enterprice level. (gpl, library, system)
azure-acs library: Windows Azure ACS (bsd3, library, web)
azure-service-api library: Haskell bindings for the Microsoft Azure Service Management API (bsd3, library, network)
azure-servicebus library: Haskell wrapper over Microsoft Azure ServiceBus REST API (bsd3, library, web)
azurify library: A simple library for accessing Azure blob storage (bsd3, development, library)
b-tree library, test and benchmark: Immutable disk-based B* trees (bsd3, data, library)
b9 library, program and test: A tool and library for building virtual machine images. (development, library, mit, program)
babl library: Haskell bindings to BABL library. (graphics, lgpl, library)
babylon program: An implementation of a simple 2-player board game (game, program)
backdropper library and program: Rotates backdrops for X11 displays using Imagemagic. (library, program, unclassified)
backprop library and benchmark: Heterogeneous automatic differentation (backpropagation) (bsd3, library, math)
backtracking-exceptions library: A monad transformer for backtracking exceptions (bsd3, control, library)
backward-state library: A state monad that runs the state in reverse through the computation (bsd3, control, library, monads)
bacteria program: braindead utility to compose Xinerama backgrounds (graphics, program)
bag library: A simple stable bag. (data-structures, deprecated, library, mit)
bake library and program: Continuous integration system (bsd3, development, library, program)
ballast library and test: Shipwire API client (bsd3, library, web)
bamboo library: A blog engine on Hack (library, web)
bamboo-launcher program: bamboo-launcher (program, web)
bamboo-plugin-highlight library: A highlight middleware (library, web)
bamboo-plugin-photo library: A photo album middleware (bsd3, library, web)
bamboo-theme-blueprint library: bamboo blueprint theme (bsd3, library, web)
bamboo-theme-mini-html5 library: bamboo mini html5 theme (library, web)
bamse library: A Windows Installer (MSI) generator framework (bsd3, library, system)
bamstats library and program: A program to extract various information from BAM alignmnet files. (bioinformatics, library, program)
bank-holiday-usa library and test: A library for determining US bank holidays (library, mit, time)
bank-holidays-england library and test: Calculation of bank holidays in England and Wales (bsd3, data, library)
banwords library and test: Generalized word blacklister (deprecated, heuristics, library, mit)
barchart library and program: Creating Bar Charts in Haskell (bsd3, graphics, library, program)
barcodes-code128 library: Generate Code 128 barcodes as PDFs (graphics, library, mit)
barecheck library: QuickCheck implementations for common types (bsd3, deprecated, library, testing)
barley program: A web based environment for learning and tinkering with Haskell (program, web)
barrie library: Declarative Gtk GUI library (gui, library)
barrier library and test: Shields.io style badge generator (graphics, library, mit)
barrier-monad library: Implementation of barrier monad, can use custom front/back type (control, library, public-domain)
base library: Basic libraries (bsd3, library, prelude)
base-compat library: A compatibility layer for base (compatibility, library, mit)
base-compat-batteries library and test: base-compat with extra batteries (compatibility, library, mit)
base-compat-migrate library: Helps migrating projects to base-compat(-batteries). (bsd3, development, library)
base-encoding library: Binary-to-text encodings (e.g. base64) (bsd3, library, text)
base-feature-macros library: Semantic CPP feature macros for base (bsd3, development, library)
base-generics library: This library provides some instances for extra GHC.Generic typeclass such as Int8, Word16 and some unboxed types as well. (generic, library, mit)
base-io-access library: The IO functions included in base delimited into small, composable classes (gpl, library, system)
base-noprelude library: "base" package sans "Prelude" module (bsd3, development, library)
base-orphans library and test: Backwards-compatible orphan instances for base (compatibility, library, mit)
base-prelude library: The most complete prelude formed solely from the "base" package (library, mit, prelude)
base-unicode-symbols library: Unicode alternatives for common functions and operators (bsd3, library, unclassified)
base16-bytestring library: Fast base16 (hex) encoding and decoding for ByteStrings (bsd3, data, library)
base32-bytestring library, test and benchmark: Fast base32 and base32hex codec for ByteStrings (bsd3, codec, data, library)
base32string library and test: Fast and safe representation of a Base-32 string (data, library, mit)
base58-bytestring library, test and benchmark: Implementation of BASE58 transcoding for ByteStrings (bytestrings, data, library, public-domain)
base58address library and test: Parsing and serialization for Base58 addresses (Bitcoin and Ripple) (library, web)
base58string library and test: Fast and safe representation of a Base-58 string (data, library, mit)
base64-bytestring library and test: Fast base64 encoding and decoding for ByteStrings (bsd3, data, library)
base64-bytestring-type library and test: A newtype around ByteString, for base64 encoding (bsd3, library, web)
base64-conduit library and test: Base64-encode and decode streams of bytes. (deprecated) (bsd3, conduit, data, deprecated, library)
base64-string library: Base64 implementation for String's. (codec, library)
base91 library, program and test: A Generic Base91 Encoder & Decoder (codec, library, mit, program)
basement library: Foundation scrap box of array & string (bsd3, library, web)
basen-bytestring library and test: (base16, base32, base64, bsd3, library, rfc4648, unclassified)
basex-client library: A BaseX client for Haskell (database, library, mit)
bash library: Bash generation library. (bsd3, language, library)
basic-cpuid library: A small package to access the cpuid instruction directly. (bsd3, library, system)
basic-lens library: Basic lens type and functions (bsd3, development, library)
basic-prelude library: An enhanced core prelude; a common foundation for alternate preludes. (control, library, mit, prelude)
basic-sop library: Basic examples and functions for generics-sop (bsd3, generics, library)
baskell program: An interpreter for a small functional language (compilers-interpreters, program)
batch library and test: Simplify queuing up data and processing it in batch. (bsd3, data, library)
batch-rename program: Make Linux or MacOS do things like "rename *.mp3 *.mp4" (program, public-domain, system)
batchd programs: Batch processing toolset for Linux / Unix (bsd3, program, system)
battlenet library: API client for Battle.Net (library, mit, network)
battlenet-yesod library: Yesod integration for the battlenet package (library, mit, network)
battleplace library: Core definitions for BattlePlace.io service (game, library, mit)
battleplace-api library: Public API definitions of BattlePlace.io service (game, library, mit)
battleship-combinatorics library, program and test: Compute number of possible arrangements in the battleship game (bsd3, library, math, program)
battleships library: A web-based implementation of battleships including an AI opponent. (bsd3, game, library)
bayes-stack library: Framework for inferring generative probabilistic models with Gibbs sampling (bsd3, library, math)
bbdb library and test: Ability to read, write, and modify BBDB files (database, gpl, library)
bbi library: Tools for reading Big Binary Indexed files, e.g., bigBed, bigWig (bio, bsd3, library)
bcrypt library: Haskell bindings to the bcrypt password hash (bsd3, cryptography, data, library)
bdcs library, programs and test: Tools for managing a content store of software packages (distribution, lgpl, library, program)
bdd library and test: Behavior-Driven Development DSL (library, mit, testing)
bdelta library: Simple, fast binary diff/patch (data, deprecated, library, mit)
bdo library and program: Update CSS in the browser without reloading the page. (bsd3, library, program, web)
beam library: A type-safe SQL mapper for Haskell that doesn't use Template Haskell (database, deprecated, library, mit)
beam-core library and test: Type-safe, feature-complete SQL query and manipulation interface for Haskell (database, library, mit)
beam-migrate library: SQL DDL support and migrations support library for Beam (database, library, mit)
beam-postgres library: Connection layer between beam and postgres (database, library, mit)
beam-sqlite library: Beam driver for SQLite (library, mit, web)
beam-th library and tests: Template Haskell utilities for beam (bsd3, database, library, template-haskell)
beamable library, test and benchmark: Generic serializer/deserializer with compact representation (bsd3, data, library, serialization)
bearriver library: A replacement of Yampa based on Monadic Stream Functions. (bsd3, frp, library)
beautifHOL program: A pretty-printer for higher-order logic (program, text)
bed-and-breakfast library and test: Efficient Matrix operations in 100% Haskell. (library, linear-algebra, math, mit, numeric)
beeminder-api library: Bindings to the beeminder.com JSON API (bsd3, library, network)
bein programs: Bein is a provenance and workflow management system for bioinformatics. (application, deprecated, gpl, program)
belka library and test: HTTP client DSL (library, mit, unclassified)
bench program: Command-line benchmark tool (bsd3, program, system)
benchmark-function library: Test the time it takes to run a haskell function (gpl, library, testing)
benchpress library and program: Micro-benchmarking with detailed statistics. (bsd3, library, program, testing)
bencode library: Parser and printer for bencoded data. (bsd3, library, text)
bencoding library, test and benchmark: A library for encoding and decoding of BEncode data. (bsd3, data, library)
bento library: 🍱 Manage stateful components. (deprecated, library, mit, utility)
berkeleydb library: Pretty BerkeleyDB v4 binding. (bsd3, database, library)
berp library and program: An implementation of Python 3. (bsd3, language, library, program)
bert library and test: BERT implementation (bsd3, data, library)
besout library: Extended GCD of polynomials over F_p[x] (bsd3, library, math)
bet library and test: Betfair API bindings. Bet on sports on betting exchanges. (library, mit, network)
betacode library and test: A codec for beta code (http://en.wikipedia.org/wiki/Beta_Code). (apache, library, text)
betris library and program: Braille friendly vertical version of tetris (bsd3, game, library, program)
between library: Function combinator "between" and derived combinators (bsd3, data, library)
bf-cata library: (development, library)
bff library: Bidirectionalization for Free! (POPL'09) (data, library, public-domain)
bff-mono library: "Bidirectionalization for Free" for Monomorphic Transformations (bsd3, data, lenses, library)
bgmax library: Parse BgMax-files (bsd3, finance, library)
bgzf library: Blocked GZip (bsd3, codec, deprecated, library)
bhoogle program: Simple terminal GUI for local hoogle. (bsd3, development, program, terminal)
bibdb program: A database based bibliography manager for BibTeX (mit, program, text)
bibtex library: Parse, format and processing BibTeX files (bsd3, library, text)
bidirectionalization-combined programs: Prototype Implementation of Combining Syntactic and Semantic Bidirectionalization (ICFP'10) (language, program, public-domain)
bidispec library: Specification of generators and parsers (data, library)
bidispec-extras library: Extra helper functions for bidirectional specifications (data, library)
bifunctors library and test: Bifunctors (bsd3, data, functors, library)
bighugethesaurus library: API wrapper for Big Huge Thesaurus (api, language, library)
billboard-parser library and program: A parser for the Billboard chord dataset (lgpl, library, music, program)
billeksah-forms library: Leksah library (graphics, library)
billeksah-main program: Leksah plugin base (control, program)
billeksah-main-static program: Leksah plugin base (control, program)
billeksah-pane library: Leksah library (graphics, library)
billeksah-services library: Leksah library (control, library)
bimap library and test: Bidirectional mapping between two key types (bsd3, data, library)
bimap-server library: Two-column database server. (bsd3, data, library)
bimaps library, test and benchmark: bijections with multiple implementations. (bsd3, data, library)
binary library, tests and benchmarks: Binary serialisation for Haskell values using lazy ByteStrings (bsd3, data, library, parsing)
binary-bits library and test: Bit parsing/writing on top of binary. (bsd3, data, library, parsing)
binary-communicator library: Flexible way to ease transmission of binary data. (bsd3, data, library)
binary-conduit library and test: data serialization/deserialization conduit library (conduit, library, mit)
binary-derive library: Automatic deriving of Binary using GHC.Generics (data, gpl, library)
binary-enum library: Simple wrappers around enum types (bsd3, data, library)
binary-ext library and tests: An alternate with typed errors for Data.Binary.Get monad from 'binary' library. (bsd3, data, library, parsing)
binary-file library: read/write binary file (bsd3, file, library)
binary-generic library: Generic binary serialisation using binary and syb. (bsd3, data, library, parsing)
binary-ieee754 library: Backport ieee754 float double combinators to older binary (bsd3, data, library)
binary-indexed-tree library: Binary Indexed Trees (a.k.a. Fenwick Trees). (data, library)
binary-list library and benchmark: Lists of length a power of two. (bsd3, data, library)
binary-literal-qq library: Extends Haskell with binary literals. (bsd3, deprecated, language, library)
binary-orphans library and test: Orphan instances for binary (bsd3, library, web)
binary-parser library and test: A highly-efficient but limited parser API specialised for bytestrings (binary, library, mit, parser)
binary-parsers library, test and benchmark: Extends binary with parsec/attoparsec style parsing combinators. (bsd3, data, library)
binary-protocol library: Monad to ease implementing a binary network protocol. (bsd3, data, library)
binary-protocol-zmq library: Monad to ease implementing a binary network protocol over ZeroMQ (bsd3, data, library, network)
binary-search library and tests: Binary and exponential searches (algorithms, bsd3, library)
binary-serialise-cbor library: Yet Another Binary Serialisation Library (compatibility shim) (bsd3, codec, library)
binary-shared library: Sharing for the binary package (data, library)
binary-state library: Simple wrapper around Data.Binary, which adds StateT to Get/Put monads. (bsd3, data, library)
binary-store library and test: Format to store data using the binary transform. (bsd3, data, deprecated, library)
binary-streams library and test: data serialization/deserialization io-streams library (bsd3, data, io-streams, library)
binary-strict library: Binary deserialisation using strict ByteStrings (bsd3, data, library, parsing)
binary-tagged library, test and benchmark: Tagged binary serialisation. (bsd3, library, web)
binary-tree library, tests and benchmark: (library, mit, unclassified)
binary-typed library, tests and benchmarks: Type-safe binary serialization (bsd2, data, deprecated, library, serialization)
binarydefer library: Binary serialization with deferred loading (bsd3, data, library)
bind-marshal library: Data marshaling library that uses type level equations to optimize buffering. (bsd3, data, library)
binding-core library and test: Data Binding (bsd3, gui, library, user-interfaces)
binding-gtk library and tests: Data Binding in Gtk2Hs (bsd3, gui, library, user-interfaces)
binding-wx library and tests: Data Binding in WxHaskell (bsd3, gui, library, user-interfaces)
bindings library: Deprecated package. (bsd3, deprecated, ffi, library)
bindings-DSL library: FFI domain specific language, on top of hsc2hs. (bsd3, ffi, library)
bindings-EsounD library: Low level bindings to EsounD (ESD; Enlightened Sound Daemon) (ffi, library, public-domain)
bindings-GLFW library and test: Low-level bindings to GLFW OpenGL library (bsd3, graphics, library)
bindings-K8055 library: Bindings to Velleman K8055 dll (bsd3, ffi, library)
bindings-apr library: Low level bindings to Apache Portable Runtime (APR) (ffi, library, public-domain)
bindings-apr-util library: Low level bindings to Apache Portable Runtime Utility (APR Utility) (ffi, library, public-domain)
bindings-audiofile library: Low level bindings to audiofile (ffi, library, public-domain)
bindings-bfd library: Bindings for libbfd, a library of the GNU `binutils' (development, ffi, lgpl, library)
bindings-cctools library: Bindings to the CCTools WorkQueue C library (ffi, gpl, library)
bindings-codec2 library and program: Very low-level FFI bindings for Codec2 (bindings, codec, ffi, gpl, library, program)
bindings-common library: This package is obsolete. Look for bindings-DSL instead. (bsd3, deprecated, ffi, library)
bindings-dc1394 library: Library for using firewire (iidc-1394) cameras (bsd3, library, system)
bindings-directfb library: Low level bindings to DirectFB (bsd3, ffi, library)
bindings-eskit library: Bindings to ESKit. (bsd3, ffi, library, numerical)
bindings-fann library: Low level bindings to FANN neural network library. (bsd3, ffi, library)
bindings-fluidsynth library: Haskell FFI bindings for fluidsynth software synthesizer (bsd3, library, sound)
bindings-friso library: Low level bindings for friso (apache, ffi, library)
bindings-glib library: Low level bindings to GLib. (bsd3, ffi, library)
bindings-gobject library: Low level bindings supporting GObject and derived libraries. (bsd3, ffi, library)
bindings-gpgme library: Project bindings-* raw interface to gpgme (bsd3, ffi, library)
bindings-gsl library: Low level bindings to GNU GSL. (bsd3, ffi, library)
bindings-gts library: Low level bindings supporting GTS, the GNU Triangulated Surface Library (ffi, lgpl, library)
bindings-hamlib library and program: Hamlib bindings for Haskell (ffi, lgpl, library, program)
bindings-hdf5 library: Project bindings-* raw interface to HDF5 library (bsd3, ffi, library)
bindings-levmar library: Low level bindings to the C levmar (Levenberg-Marquardt) library (ffi, library, numerical)
bindings-libcddb library: Low level binding to libcddb. (bsd3, ffi, library)
bindings-libffi library: Low level bindings to libffi. (bsd3, ffi, library)
bindings-libftdi library: Low level bindings to libftdi. (ffi, library)
bindings-libg15 library: Bindings to libg15 (bsd2, library, web)
bindings-librrd library: Low level bindings to RRDtool (ffi, library, public-domain)
bindings-libstemmer library: Binding for libstemmer with low level binding. (ffi, library, mit)
bindings-libusb library: Low level bindings to libusb. (bsd3, ffi, library)
bindings-libv4l2 library: bindings to libv4l2 for Linux (bsd3, library, system)
bindings-libzip library: Low level bindings to libzip. (bsd3, ffi, foreign, library)
bindings-linux-videodev2 library: bindings to Video For Linux Two (v4l2) kernel interfaces (bsd3, graphics, library)
bindings-lxc library: Direct Haskell bindings to LXC (Linux containers) C API. (bsd3, ffi, library)
bindings-mmap library: (deprecated) see bindings-posix instead (bsd3, library, system)
bindings-monetdb-mapi library: Low-level bindings for the MonetDB API (mapi) (bsd3, database, library)
bindings-mpdecimal library: bindings to mpdecimal library (bsd3, deprecated, library, math)
bindings-nettle library and test: bindings to nettle crypto library (bindings, gpl, library)
bindings-parport library: parport bindings (bsd3, ffi, library)
bindings-portaudio library: Low-level bindings to portaudio library (bsd3, library, sound)
bindings-posix library: Low level bindings to posix. (bsd3, ffi, library)
bindings-potrace library: Low-level bindings to the potrace bitmap tracing library (gpl, graphics, library)
bindings-ppdev library: PPDev bindings (bsd3, ffi, library)
bindings-saga-cmd library and programs: Wrapping saga_cmd (gpl, library, math, program)
bindings-sane library: FFI bindings to libsane (ffi, lgpl, library)
bindings-sc3 library: Low-level bindings to the SuperCollider synthesis engine library. (ffi, library, sound)
bindings-sipc library and programs: Low level bindings to SIPC. (library, program, security)
bindings-sophia library: Low-level bindings to sophia library (bsd3, database, library)
bindings-sqlite3 library: Low level bindings to sqlite3. (bsd3, ffi, library)
bindings-svm library: Low level bindings to libsvm. (bsd3, ffi, library)
bindings-uname library: Low-level binding to POSIX uname(3) (ffi, library, public-domain, system)
bindings-wlc library and test: Bindings against the wlc library (bsd3, ffi, library)
bindings-yices library: Bindings to the Yices theorem prover (ffi, foreign, library, public-domain, theorem-provers)
bindynamic library: A variation of Data.Dynamic.Dynamic with a Binary instance (data, gpl, library)
binembed library and program: Embed data into object files. (bsd3, distribution, library, program)
binembed-example program: Example project using binembed to embed data in object files. (bsd3, distribution, program)
bini library: A collection of various methods for reading and writing bini files. (bsd3, configuration, data, library)
bio library: A bioinformatics library (bioinformatics, library)
bio-sequence library and tests: Initial project template from stack (bio, bsd3, deprecated, library)
bioace library: Library for reading ace assembly files (bioinformatics, library)
bioalign library: Data structures and helper functions for calculating alignments (bioinformatics, library)
biocore library: A bioinformatics library (bioinformatics, library)
biofasta library: Library for reading fasta sequence files (bioinformatics, library)
biofastq library: A library for reading FASTQ files (bioinformatics, library)
biohazard library: bioinformatics support library (bioinformatics, bsd3, library)
bioinformatics-toolkit library, test and benchmark: A collection of bioinformatics tools (bio, library, mit)
biophd library: Library for reading phd sequence files (bioinformatics, library)
biopsl library and programs: Library and executables for working with PSL files (bioinformatics, library, program)
biosff library: Library and executables for working with SFF files (bioinformatics, lgpl, library)
biostockholm library and test: Parsing and rendering of Stockholm files (used by Pfam, Rfam and Infernal). (bioinformatics, bsd3, library)
bird library and program: A simple, sinatra-inspired web framework. (bsd3, library, program, web)
bisect-binary program: Determine relevant parts of binary data (development, mit, program)
bishbosh library, program and test: Plays chess. (game, library, program)
bit-array library and test: A bit array (aka bitset, bitmap, bit vector) API for numeric types (bit-vectors, data-structures, library, mit, pretty-printer)
bit-stream library, test and benchmark: Lazy, infinite, compact stream of Bool with O(1) indexing. (bsd3, library, unclassified)
bit-vector library and test: Simple bit vectors for Haskell (bit-vectors, bsd3, data, library)
bitarray library: Mutable and immutable bit arrays (bsd3, data, library)
bitcoin-api library and test: Provides access to the RPC API of Bitcoin Core (finance, library, mit, network)
bitcoin-api-extra library and test: Higher level constructs on top of the bitcoin-api package (finance, library, mit, network)
bitcoin-block library and test: Utility functions for manipulating bitcoin blocks (finance, library, mit, network)
bitcoin-hs library and test: Partial implementation of the Bitcoin protocol (as of 2013) (bitcoin, bsd3, cryptography, library)
bitcoin-payment-channel library, test and benchmark: Instant, two-party Bitcoin payments (bitcoin, finance, library, network)
bitcoin-rpc library and test: Library to communicate with the Satoshi Bitcoin daemon (bitcoin, bsd3, library, network)
bitcoin-script library and test: Compilation, manipulation and decompilation of Bitcoin scripts (finance, library, mit, network)
bitcoin-tx library and test: Utility functions for manipulating bitcoin transactions (finance, library, mit, network)
bitcoin-types library and test: Provides consistent low-level types used commonly among Bitcoin implementations (finance, library, mit, network)
bitly-cli program: A command line tool to access bit.ly URL shortener. (bsd3, deprecated, program, utils, web)
bitmap library: A library for handling and manipulating bitmaps (rectangular pixel arrays). (bsd3, data, graphics, library)
bitmap-opengl library: OpenGL support for Data.Bitmap. (bsd3, data, graphics, library)
bitmaps library: Bitmap library (bsd3, codec, data, graphics, library)
bits library: Various bit twiddling and bitwise serialization primitives (bsd3, data, library, serialization)
bits-atomic library: Atomic bit operations on memory locations for low-level synchronization (bsd3, concurrency, data, foreign, library)
bits-bytestring library, test and benchmark: Bits instance for bytestrings. (bsd3, data, library)
bits-bytestring-lazy library, test and benchmark: Bits instance for lazy bytestrings. (bsd3, data, library)
bits-conduit library, test and benchmark: Bitstream support for Conduit (bsd3, conduit, data, library)
bits-extra library, test and benchmark: (bsd3, library, unclassified)
bits-extras library: Efficient high-level bit operations not found in Data.Bits (bsd3, data, library)
bitset library, test and benchmark: A space-efficient set data structure. (data-structures, library, mit)
bitset-word8 library, test and benchmark: Space efficient set of Word8 and some pre-canned sets useful for parsing HTTP (data, library, mit)
bitspeak program: Proof-of-concept tool for writing using binary choices. (accessibility, program)
bitstream library and tests: Fast, packed, strict and lazy bit streams with stream fusion (data, library, public-domain)
bitstring library: Lazy bit strings (bsd3, data, library)
bittorrent library and test: Bittorrent protocol implementation. (bsd3, library, network)
bittrex library and program: Bindings for the Bittrex API (bsd3, library, program, web)
bitvec library and test: Unboxed vectors of bits / dense IntSets (bit-vectors, data, library, public-domain)
bitwise library, test and benchmark: fast multi-dimensional unboxed bit packed Bool arrays (bit-vectors, bsd3, data, data-structures, library)
bitx-bitcoin library and tests: A Haskell library for working with the BitX bitcoin exchange. (bitcoin, bsd3, finance, library, web)
bizzlelude library: A lousy Prelude replacement by a lousy dude (bsd3, library, prelude)
bizzlelude-js library: A lousy Prelude replacement by a lousy dude (bsd3, library, prelude)
bk-tree library: BK-tree implementation (data-structures, library, public-domain)
bkr library and program: Backup utility for backing up to cloud storage services (S3 only right now) (backup, bsd3, library, program, system)
bktrees library: A set data structure with approximate searching (bsd3, data-structures, library)
bla program: a stupid cron (bsd3, deprecated, program, system)
black-jewel program and test: The pirate bay client. (application, gpl, program)
blacktip library, test and benchmark: Decentralized, k-ordered unique ID generator. (apache, database, library)
blake2 library, test and benchmark: A library providing BLAKE2 (cryptography, library, public-domain)
blakesum library: The BLAKE SHA-3 candidate hashes, in Haskell (bsd3, cryptography, deprecated, library)
blakesum-demo program: The BLAKE SHA-3 candidate hashes, in Haskell (bsd3, cryptography, deprecated, program)
blank-canvas library and test: HTML5 Canvas Graphics Library (bsd3, graphics, library)
blas library: Bindings to the BLAS library (bsd3, deprecated, library, math)
blas-carray library: Auto-generated interface to Fortran BLAS via CArrays (bsd3, library, math)
blas-ffi library: Auto-generated interface to Fortran BLAS (bsd3, library, math)
blas-hs library and test: Low-level Haskell bindings to Blas. (library, math, mit)
blastxml library: Library for reading Blast XML output (bioinformatics, library)
blatex program: Blog in LaTeX (mit, program, web)
blaze library: None (bsd3, deprecated, library, unclassified)
blaze-bootstrap library: Blaze helper functions for bootstrap pages (library, mit, web)
blaze-builder library and test: Efficient buffered output. (bsd3, data, library)
blaze-builder-conduit library: Convert streams of builders to streams of bytestrings. (deprecated) (bsd3, conduit, data, deprecated, library)
blaze-builder-enumerator library: Enumeratees for the incremental conversion of builders to bytestrings. (bsd3, data, enumerator, library)
blaze-colonnade library and test: Helper functions for using blaze-html with colonnade (bsd3, library, web)
blaze-from-html program: Tool to convert HTML to BlazeHtml code. (bsd3, program, text)
blaze-html library and test: A blazingly fast HTML combinator library for Haskell (bsd3, library, text)
blaze-html-contrib library: Some contributions to add handy things to blaze html. (bsd3, library, web)
blaze-html-hexpat library: A hexpat backend for blaze-html. (bsd3, library, text)
blaze-html-truncate library: A truncator for blaze-html (bsd3, library, text)
blaze-json library and tests: tiny library for encoding json (json, library, mit, text)
blaze-markup library and test: A blazingly fast markup combinator library for Haskell (bsd3, library, text)
blaze-shields library: create svg by Haskell (bsd3, library, web)
blaze-svg library: SVG combinator library (bsd3, graphics, library)
blaze-textual library and test: Fast rendering of common datatypes (bsd3, library, text)
blaze-textual-native library: Fast rendering of common datatypes (deprecated) (bsd3, deprecated, library, text)
blazeMarker library: ... (library, mit, unclassified)
blazeT library: A true monad (transformer) version of the blaze-markup and blaze-html libraries (data, library, mit, text, web)
ble library, programs and test: Bluetooth Low Energy (BLE) peripherals (bsd3, library, program, unclassified)
blink1 library and program: Control library for blink(1) LED from ThingM (bsd3, hardware, library, program)
blip program: Python to bytecode compiler. (bsd3, language, program)
bliplib library: Support code for Blip. (bsd3, development, library)
blockchain library and test: Generic blockchain implementation. (blockchain, bsd3, library)
blockhash library, program and test: Blockhash perceptual image hash algorithm (bsd3, library, program, web)
blocking-transactions library: Composable, blocking transactions. (bsd3, concurrency, library)
blogination library and program: Very simple static blog software (bsd3, deprecated, library, program, web)
bloodhound library and test: ElasticSearch client library for Haskell (bsd3, database, library, search)
bloodhound-amazonka-auth library and test: Adds convenient Amazon ElasticSearch Service authentication to Bloodhound. (bsd3, library, web)
bloomfilter library and test: Pure and impure Bloom Filter implementations. (bsd3, data, library)
bloomfilter-redis library, test and benchmark: Distributed bloom filters on Redis (using the Hedis client). (bsd3, data, library)
blosum library and program: BLOSUM generator (bioinformatics, gpl, library, program)
bloxorz program: OpenGL Logic Game (game, program)
blubber program: The blubber client; connects to the blubber server. (game, gpl, program)
blubber-server library and program: The blubber server, serves blubber clients. (agpl, game, library, program)
bluemix-sdk library: Bindings to Bluemix APIs (bsd3, library, web)
bluetile programs: full-featured tiling for the GNOME desktop environment (bsd3, program, system)
bluetileutils program: Utilities for Bluetile (bsd3, deprecated, program, utils)
blunt library and program: Convert between pointfree and pointful expressions. (deprecated, library, mit, program, web)
bmp library: Read and write uncompressed BMP image files. (codec, library, mit)
bno055-haskell library: Library for communication with the Bosch BNO055 orientation sensor (library, mit, system)
board-games library and test: Three games for inclusion in a web server (game, library, web)
bogocopy program: Copy a directory tree, making zero-size sparse copies of big files. (bsd2, file-manager, program, system-tools, tools)
bogre-banana library and program: (bsd3, game-engine, library, program)
bolt library and test: Bolt driver for Neo4j (bsd3, database, library)
boltzmann-samplers library: Uniform random generators (data, generic, library, mit, random)
bond library, program and test: Bond schema compiler and code generator (code-generation, compiler, language, library, mit, program)
bond-haskell library, test and benchmark: Runtime support for BOND serialization (bsd3, data, library, parsing)
bond-haskell-compiler library, program and test: Bond code generator for Haskell (bsd3, language, library, program)
bookkeeper library, program, tests and benchmark: Anonymous records and overloaded labels (bsd3, data-structures, library, program, records)
bookkeeper-permissions library: Permissions for bookkeeper records (bsd3, data-structures, library, records)
bookkeeping library and tests: A module for bookkeeping by double entry. (business, library, mit)
bookkeeping-jp library and tests: Helper functions for Japanese bookkeeping. (business, library, mit)
bool-extras library: A fold function for Bool (bsd3, data, library)
bool8 library: Alternative Bool type stored as byte (bsd3, foreign, library)
boolean-like library: Logical combinatory operations dealing with datatypes representing booleans by their constructors. (bsd3, control, library)
boolean-list library: convert numbers to binary coded lists (data, gpl, library)
boolean-normal-forms library and test: Boolean normal form: NNF, DNF & CNF (data, library, mit)
boolexpr library: Boolean expressions with various representations and search queries. (bsd3, data-structures, library, parsing, search)
bools library: None (bsd3, deprecated, library, unclassified)
boolsimplifier library: Simplification tools for simple propositional formulas. (bsd3, language, library, math)
boomange program: A bookmarks manager with an HTML generator (gpl, program, web)
boombox library: Chronokinetic stream sources and incremental consumers (bsd3, data, library)
boomerang library: Library for invertible parsing and printing (bsd3, library, parsing, text)
boomslang program: Boomshine clone (game, program, public-domain)
boop library and test: OOP primitives for Haskell (bsd3, library, oop)
bootstrap-types library: Bootstrap CSS Framework type-safe interface (library, mit, web)
bordacount library and test: Implementation of the Borda count election method. (algorithms, bsd3, library)
borel library and test: Metering System for OpenStack metrics provided by Vaultaire. (bsd3, development, library)
boring library: Boring and Absurd types (bsd3, data, library)
boring-game library, program and test: An educational game (bsd3, library, program, web)
boring-window-switcher library and program: A boring window switcher. (bsd3, graphics, library, program)
bot library: bots for functional reactive programming (bsd3, frp, library, reactivity)
both library: Like Maybe, but with a different Monoid instance. (data, library, mit)
botpp library and program: Build tool for Lambdabot (development, library, program, web)
bound library and tests: Making de Bruijn Succ Less (bsd3, compilers-interpreters, language, library)
bound-gen library: Unwrap Scope's with globally fresh values (compilers-interpreters, library, mit)
bounded-tchan library: Bounded Transactional channels (queues) (bsd3, concurrency, deprecated, library)
boundingboxes library: A generic boundingbox for an arbitrary vector (bsd3, data, library)
bower-json library and test: Read bower.json from Haskell (library, mit, web)
bowntz program: audio-visual pseudo-physical simulation of colliding circles (demo, gpl, program)
box-tuples library: A hack to use GHC.Prim primitives in GHCi (debug, ghc, library, mit)
boxes library and test: 2D text pretty-printing library (bsd3, library, text)
bpann library: backpropagation neuronal network (ai, bsd3, library)
braid library and program: Types and functions to work with braids and Khovanov homology. (bsd3, library, math, program)
brain-bleep program: primitive imperative language (bsd3, language, program)
brainfuck library and program: Brainfuck interpreter (compilers-interpreters, library, program)
brainfuck-monad library: BrainFuck monad (bsd3, compilers-interpreters, library)
brainfuck-tut library and program: A simple BF interpreter. (bsd3, language, library, program)
brainheck library, program and benchmark: Brainh*ck interpreter in haskell (bsd3, library, program, web)
break library: Break from a loop (bsd3, control, library)
breakout program: A simple Breakout game implementation. (game, program)
breve program: a url shortener (mit, program, web)
brians-brain program: A Haskell implementation of the Brian's Brain cellular automaton (bsd3, game, program)
brick library and test: A declarative terminal user interface library (bsd3, graphics, library)
brick-skylighting library: Show syntax-highlighted text in your Brick UI (bsd3, graphics, library)
bricks library and tests: Bricks is a lazy functional language based on Nix. (apache, language, library)
bricks-internal library and test: ... (apache, language, library)
bricks-internal-test library: ... (apache, language, library)
bricks-parsec library and tests: ... (apache, language, library)
bricks-rendering library and tests: ... (apache, language, library)
bricks-syntax library and tests: ... (apache, language, library)
brillig library and program: Simple part of speech tagger (bsd3, library, natural-language-processing, program)
brittany library: Haskell source code formatter (agpl, language, library)
broadcast-chan library: Broadcast channel type that avoids 0 reader space leaks. (bsd3, library, system)
broccoli library: Small library for interactive functional programs. (bsd3, frp, library)
broker-haskell library and test: Haskell bindings to Broker, Bro's messaging library. (bsd3, language, library)
bronyradiogermany-common library: Common types and URIs for the BronyRadioGermany API bindings. (bsd3, library, network)
bronyradiogermany-streaming library: Streaming interface for the BronyRadioGermany API. (bsd3, library, network)
browscap library: A reader and interface for the Browser Capabilities Project data files. (bsd3, data, library, web)
bsb-http-chunked library: Chunked HTTP transfer encoding for bytestring builders (bsd3, data, library, network)
bsd-sysctl library: Access to the BSD sysctl(3) interface (bsd, bsd3, library, system)
bson library and test: BSON documents are JSON-like objects with a standard binary encoding. (data, library)
bson-generic library: Generic functionality for BSON (bsd3, data, library)
bson-generics library: Generics functionality for BSON (bsd3, data, deprecated, library)
bson-lens library: BSON lenses (development, library, mit)
bson-mapping library: Mapping between BSON and algebraic data types. (data, library)
bspack library, test and benchmark: A simple and fast bytestring packer (bsd3, data, library)
bsparse library: A simple unassuming parser for bytestring (bsd3, bsparse, library)
btree library, test and benchmark: B-Tree on the compact heap (bsd3, library, web)
btree-concurrent library and test: A backend agnostic, concurrent BTree (data-structures, library)
btrfs library: Bindings to the btrfs API (bsd3, filesystem, library, system)
buchhaltung library and program: Automates most of your plain text accounting data entry in ledger format. (finance, library, mit, program)
buffer library, test and benchmark: Simple mutable low-level buffer for IO (data, library, mit)
buffer-builder library, tests and benchmarks: Library for efficiently building up buffers, one piece at a time (bsd3, data, library)
buffer-builder-aeson library, test and benchmark: Serialize Aeson values with Data.BufferBuilder (data, library, mit)
buffer-pipe program: Read from stdin and write to stdout in large blocks (bsd3, console, program)
buffon library: An implementation of Buffon machines. (bsd2, library, math)
bug library: Better alternatives to the "error" function (development, error-handling, library, mit)
bugsnag-haskell library and tests: Bugsnag error reporter for Haskell (library, mit, web)
bugzilla library: A Haskell interface to the Bugzilla native REST API (bsd3, library, web)
buildable library: Typeclass for builders of linear data structures (data, library, mit)
buildbox library: Rehackable components for writing buildbots and test harnesses. (bsd3, development, library, testing)
buildbox-tools program: Tools for working with buildbox benchmark result files. (bsd3, development, program, testing)
buildwrapper library, program and test: A library and an executable that provide an easy API for a Haskell IDE (bsd3, development, library, program)
bullet library: A wrapper for the Bullet physics engine. (bsd3, library, physics)
bumper program: Automatically bump package versions, also transitively. (bsd3, development, program)
bunz library, program and test: CLI tool to beautify JSON string. (cli, json, library, mit, program)
burnt-explorer program: List OP_RETURN cryptocurrency transaction outputs. (apache, cryptocurrency, program)
burst-detection library, test and benchmark: Burst detection algorithms (gpl, library, math)
bus-pirate library: Haskell interface to the Bus Pirate binary interface (bsd3, library, system)
buster library: Almost but not quite entirely unlike FRP (bsd3, frp, library)
buster-gtk library: Almost but not quite entirely unlike FRP (bsd3, frp, library)
buster-network library: Almost but not quite entirely unlike FRP (bsd3, frp, library)
bustle program and tests: Draw sequence diagrams of D-Bus traffic (desktop, network, program)
butcher library and test: Chops a command or program invocation into digestable pieces. (bsd3, library, ui)
butterflies library and program: butterfly tilings (gpl, graphics, library, program)
bv library: Bit-vector arithmetic library (bit-vectors, bsd3, data, library)
bv-little library, test and benchmark: Efficient little-endian bit vector library (bit-vectors, bsd3, data, library)
bv-sized library and test: a BitVector datatype that is parameterized by the vector width (bit-vectors, bsd3, library)
byline library: Library for creating command-line interfaces (colors, menus, etc.) (bsd2, library, system, user-interfaces)
bytable library: data from/to ByteString (bsd3, codec, library)
byteable library: Type class for sequence of bytes (bsd3, data, library)
bytearray-parsing library: Parsing of bytearray-based data (library, mit, parsing)
bytedump library: Flexible byte dump helpers for human readers. (bsd3, debug, library)
byteorder library: Exposes the native endianness or byte ordering of the system. (bsd3, library, system)
bytes library: Sharing code for serialization between binary and cereal (bsd3, data, library, serialization)
byteset library: Set of bytes. (bsd3, data, library)
bytestring library and tests: Fast, compact, strict and lazy byte strings with a list interface (bsd3, data, library)
bytestring-arbitrary library, test and benchmark: Arbitrary instances for ByteStrings (bsd3, data, library)
bytestring-builder library: The new bytestring builder, packaged outside of GHC (bsd3, data, library)
bytestring-class library: Classes for automatic conversion to and from strict and lazy bytestrings. (deprecated) (bsd3, data, deprecated, library)
bytestring-conversion library, test and benchmark: Type-classes to convert values to and from ByteString. (data, library, mpl)
bytestring-csv library: Parse CSV formatted data efficiently (bsd3, data, library)
bytestring-delta library: Simple, fast binary diff/patch (data, library, mit)
bytestring-encodings library, test and benchmark: checks to see if a given bytestring adheres to a certain encoding (data, library, mit)
bytestring-from library and test: A type-class to convert values from ByteString. (data, deprecated, library)
bytestring-handle library and test: ByteString-backed Handles (bsd3, library, system)
bytestring-lexing library: Parse and produce literals efficiently from strict or lazy bytestrings. (bsd2, data, library)
bytestring-mmap library: mmap support for strict ByteStrings (bsd3, library, system)
bytestring-nums library: Parse numeric literals from ByteStrings. (bsd3, library, text)
bytestring-plain library: Plain byte strings ('ForeignPtr'-less 'ByteString's) (bsd3, data, library)
bytestring-progress library: A library for tracking the consumption of a lazy ByteString (bsd3, control, library)
bytestring-read library, tests and benchmark: fast ByteString to number converting library (data, library, mit)
bytestring-rematch library and test: Rematch support for ByteString (control, library, mit)
bytestring-short library and test: Backport copy of ShortByteString (bsd3, library, text)
bytestring-show library: Efficient conversion of values into readable byte strings. (bsd3, library, text)
bytestring-strict-builder library, test and benchmark: An efficient strict bytestring builder (builders, bytestring, library, mit, serialization, text)
bytestring-time library and test: Library for Time parsing from ByteString (bsd3, data, deprecated, library)
bytestring-tree-builder library, test and benchmark: A very efficient ByteString builder implementation based on the binary tree (bytestring, library, mit)
bytestring-trie library: An efficient finite map from (byte)strings to values. (bsd3, data, data-structures, library)
bytestring-typenats library, test and benchmark: Bytestrings with typenat lengths (bsd3, data, library)
bytestringparser library: Combinator parsing with Data.ByteString.Lazy (bsd3, library, parsing, text)
bytestringparser-temporary library: Combinator parsing with Data.ByteString.Lazy (bsd3, library, parsing, text)
bytestringreadp library: A ReadP style parser library for ByteString (bsd3, library, text)
byteunits library and test: Human friendly conversion between byte units (KB, MB, GB...) (bsd3, library)
bzlib library: Compression and decompression in the bzip2 format (bsd3, codec, library)
bzlib-conduit library, test and benchmark: Streaming compression/decompression via conduits. (bsd3, codec, library)
c-dsl library: A higher level DSL on top of language-c (language, library, mit)
c-io library: C IO. (bsd3, library, system)
c-mosquitto library, program and test: Simpe mosquito MQTT binding able to work with the Amazons IoT (bsd3, library, program)
c-storable library: CStorable class (bsd3, development, haskell, library)
c-storable-deriving library: Generate C-like storable instances from datatypes (bsd3, foreign, library)
c0check program: Simple C0 Syntax Check (language, program)
c0parser library: Simple C0 Parser (language, library)
c10k library: C10k server library using prefork (bsd3, library, network)
c2ats library, program and test: Translate C code into ATS (gpl, language, library, program)
c2hs program and tests: C->Haskell FFI tool that gives some cross-language type safety (development, gpl, program)
c2hs-extra library: Convenient marshallers for complicate C types. (development, foreign, library, mit)
c2hsc library, program and test: Convert C API header files to .hsc and .hsc.helper.c files (bsd3, development, library, program)
ca library: Cellular Automata (bsd3, library, math)
cab library and program: A maintenance command of Haskell cabal packages (bsd3, distribution, library, program)
cabal library: placeholder for Cabal package, you want the upper case Cabal (bsd2, deprecated, development, library)
cabal-audit program: Check how up-to-date your .cabal dependencies are. (distribution, mit, program)
cabal-bounds library, program and test: A command line program for managing the bounds/versions of the dependencies in a cabal file. (bsd3, development, library, program, utils)
cabal-cargs library, program and test: A command line program for extracting compiler arguments from a cabal file. (bsd3, development, library, program, utils)
cabal-constraints program: Repeatable builds for cabalized Haskell projects. (development, distribution, mit, program)
cabal-db program: query tools for the local cabal database (bsd3, program, tools)
cabal-debian library and program: Create a Debianization for a Cabal package (bsd3, debian, distribution, library, program, system)
cabal-dependency-licenses program: Compose a list of a project's transitive dependencies with their licenses (bsd3, distribution, program)
cabal-dev programs: Manage sandboxed Haskell build environments (bsd3, deprecated, development, program)
cabal-dir program: show dist dir of 'cabal copy/install' (bsd3, distribution, program)
cabal-doctest library: A Setup.hs helper for doctests running (bsd3, distribution, library)
cabal-file-th library and test: Template Haskell expressions for reading fields from a project's cabal file. (bsd3, development, library)
cabal-ghc-dynflags library: Conveniently configure GHC's dynamic flags for use with Cabal projects (bsd3, development, library)
cabal-ghci library and program: Set up ghci with options taken from a .cabal file (bsd3, deprecated, development, library, program)
cabal-graphdeps program: Generate graphs of install-time Cabal dependencies (development, mit, program)
cabal-helper library, program and tests: Simple interface to some of Cabal's configuration state, mainly used by ghc-mod (agpl, distribution, library, program)
cabal-info library and program: Read information from cabal files (development, library, mit, program)
cabal-install program: The command-line interface for Cabal and Hackage. (bsd3, distribution, program)
cabal-install-bundle program: The (bundled) command-line interface for Cabal and Hackage. (bsd3, distribution, program)
cabal-install-ghc72 program: Temporary version of cabal-install for ghc-7.2 (bsd3, distribution, program)
cabal-install-ghc74 program: Temporary version of cabal-install for ghc-7.4 (bsd3, distribution, program)
cabal-lenses library: Lenses and traversals for the Cabal library. (bsd3, development, library, utils)
cabal-macosx library, program and test: Cabal support for creating Mac OSX application bundles. (bsd3, distribution, library, program)
cabal-meta library, program and test: build multiple packages at once (bsd3, development, library, program)
cabal-mon program: A monitor for cabal builds (development, mit, program)
cabal-nirvana program: Avoid Cabal dependency hell by constraining to known good versions. (deprecated) (bsd3, deprecated, distribution, program)
cabal-plan library: Library and utiltity for processing cabal's plan.json file (development, gpl, library)
cabal-progdeps program: Show dependencies of program being built in current directory (bsd3, distribution, program)
cabal-query library: Helpers for quering .cabal files or hackageDB's 00-index.tar (bsd3, library, system)
cabal-rpm program: RPM packaging tool for Haskell Cabal-based packages (distribution, gpl, program)
cabal-scripts library: Shell scripts for support of Cabal maintenance (bsd3, development, library)
cabal-setup program: The user interface for building and installing Cabal packages (bsd3, distribution, program)
cabal-sign program: Sign and verify Cabal packages. (bsd3, development, program)
cabal-sort programs: Topologically sort cabal packages (bsd3, distribution, program)
cabal-src programs: Alternative install procedure to avoid the diamond dependency issue. (bsd3, deprecated, distribution, program)
cabal-test program: Automated test tool for cabal projects. (bsd3, program, testing)
cabal-test-bin library, program and test: A program for finding temporary build file during cabal-test. (bsd3, library, program, testing)
cabal-test-compat library: Compatibility interface of cabal test-suite. (bsd3, deprecated, library, testing)
cabal-test-quickcheck library: QuickCheck for Cabal (library, mit, testing)
cabal-toolkit library: Helper functions for writing custom Setup.hs scripts. (bsd3, distribution, library)
cabal-uninstall program: Uninstall cabal packages (bsd3, distribution, program)
cabal-upload program: Command-line tool for uploading packages to Hackage (bsd3, distribution, program)
cabal2arch program: Create Arch Linux packages from Cabal packages. (bsd3, deprecated, distribution, program)
cabal2doap program: Cabal to Description-of-a-Project (DOAP) (bsd3, distribution, program)
cabal2ebuild library and programs: make gentoo's .ebuild file from .cabal file (bsd3, distribution, library, program)
cabal2ghci program: A tool to generate .ghci file from .cabal (bsd3, development, program)
cabal2nix library, programs and test: Convert Cabal files into Nix build instructions. (bsd3, distribution, library, nix, program)
cabal2spec library, program and test: Convert Cabal files into rpm spec files (distribution, gpl, library, program)
cabalQuery library and program: A simple tool to query cabal files. (bsd3, development, library, program)
cabalg library, program and tests: alias for cabal install from given git repo (library, mit, program, unclassified)
cabalgraph program: Generate pretty graphs of module trees from cabal files (bsd3, distribution, program)
cabalish program: Provides access to the cabal file data for shell scripts (bsd3, program, utilities)
cabalmdvrpm library and program: Create mandriva rpm from cabal package (distribution, library, program)
cabalrpmdeps library and programs: Autogenerate rpm dependencies from cabal files (distribution, library, program)
cabalvchk program: Verify installed package version against user-specified constraints. (bsd3, distribution, program)
cabin program: Cabal binary sandboxes. (bsd3, distribution, program)
cabocha library and test: (bsd3, library, natural-language-processing)
cache library and test: An in-memory key/value store with expiration support (bsd3, cache, data, library)
cached-io library and program: A simple library to cache a single IO action with timeout (apache, development, library, program)
cached-traversable library: Transparent, persistent caching of lazy, traversable structures (bsd3, data, library)
cacophony library, tests and benchmark: A library implementing the Noise protocol. (cryptography, library, public-domain)
caf library: A library of Concurrency Abstractions using Futures. (bsd3, concurrency, library)
cafeteria-prelude library: Prelude subsets—take only what you want! (library, mit, prelude)
caffegraph library: (bsd3, library, math)
cairo library: Binding to the Cairo library. (bsd3, graphics, library)
cairo-appbase program: A template for building new GUI applications using GTK and Cairo. (bsd3, development, program)
cairo-canvas library: Simpler drawing API for Cairo. (graphics, library, mit)
cake library and program: A build-system library and driver (development, library, program)
cake3 library and programs: Third cake the Makefile EDSL (bsd3, development, library, program)
cakyrespa program: run turtle like LOGO with lojban (bsd3, program, teaching)
cal3d library: Haskell binding to the Cal3D animation library. (animation, graphics, library)
cal3d-examples programs: Examples for the Cal3d animation library. (animation, graphics, program)
cal3d-opengl library: OpenGL rendering for the Cal3D animation library (animation, graphics, library)
calc program: A small compiler for arithmetic expressions. (bsd3, program, unclassified)
calculator program and test: A calculator repl, with variables, functions & Mathematica like dynamic plots. (gpl, math, program)
caldims library and program: Calculation tool and library supporting units (library, math, program)
caledon program: a logic programming language based on the calculus of constructions (gpl, interpreter, language, program)
calendar-recycling program: List years with the same calendars (bsd3, math, program)
call library: The call game engine (bsd3, game, library)
call-haskell-from-anything library and program: Call Haskell functions from other languages via serialization and dynamic libraries (library, mit, network, program)
call-stack library and test: Use GHC call-stacks in a backward compatible way (data, library, mit)
camfort library, program and test: CamFort - Cambridge Fortran infrastructure (apache, language, library, program)
camh program: write image files onto 256(or 24bit) color terminals. (bsd3, graphics, program)
campfire library: Haskell implementation of the Campfire API (bsd3, library, web)
canon library: Massive Number Arithmetic (library, math, mit)
canonical-filepath library: Abstract data type for canonical file paths. (bsd3, library, system)
canteven-config library: A pattern for configuring programs. (apache, library, unclassified)
canteven-http library: Utilities for HTTP programming. (library, mit, unclassified)
canteven-listen-http library: data types to describe HTTP services (apache, development, library)
canteven-log library: A canteven way of setting up logging for your program. (apache, development, library)
canteven-parsedate library and test: Date / time parsing utilities that try to guess the date / time format. (apache, library, unclassified)
canteven-template library: A few utilites and helpers for using Template Haskell in your projects. (apache, library, web)
cantor program and test: Application for analysis of java source code (application, bsd3, program, source-code-analysis)
cao program: CAO Compiler (compiler, cryptography, language, program)
cap program: Interprets and debug the cap language. (bsd3, language, program)
capataz library and test: OTP-like supervision trees in Haskell (concurrency, control, library, mit)
capped-list library: A list-like type for lazy sequences, with a user-defined termination value. (bsd3, data, deprecated, library)
capri program: A simple wrapper over cabal-install to operate in project-private mode. (bsd3, distribution, program)
car-pool program: Simple web-server for organizing car-pooling for an event (bsd3, program, web)
caramia library and tests: High-level OpenGL bindings (graphics, library, mit)
carbonara library: some spaghetti code (bsd3, library, system)
carboncopy program: Drop emails from threads being watched into special CC folder. (bsd3, email, program)
carettah programs: A presentation tool written with Haskell. (gpl, graphics, program)
carray library, test and benchmarks: A C-compatible array library. (bsd3, data, library)
carte program: Carte: A commandline pastebin server. (gpl, network, program)
cartel library, program and test: Specify Cabal files in Haskell (bsd3, distribution, library, program)
casa-abbreviations-and-acronyms library and test: CASA Abbreviations and Acronyms (aviation, library)
casadi-bindings library and tests: mid-level bindings to CasADi (lgpl, library, math, numerical)
casadi-bindings-control library: low level bindings to casadi-control (deprecated, lgpl, library, math, numerical)
casadi-bindings-core library: autogenerated low level bindings to casadi (lgpl, library, math, numerical)
casadi-bindings-internal library: low level bindings to CasADi (lgpl, library, math, numerical)
casadi-bindings-ipopt-interface library: low level bindings to casadi-ipopt_interface (deprecated, lgpl, library, math, numerical)
casadi-bindings-snopt-interface library: low level bindings to casadi-snopt_interface (deprecated, lgpl, library, math, numerical)
cascading library: DSL for HTML CSS (Cascading Style Sheets) (bsd3, deprecated, library, web)
case-conversion library, program and test: Convert between different cases (bsd3, library, program, text)
case-insensitive library, test and benchmark: Case insensitive string comparison (bsd3, data, library, text)
case-insensitive-match library, program, test and benchmarks: A simplified, faster way to do case-insensitive matching. (bsd3, library, program, text)
cased library: Track string casing in its type (library, mit, text)
caseof library: Combinators for casing on constructors (bsd3, development, library)
cases library, test and benchmark: A converter for spinal, snake and camel cases (library, mit, text)
cash library: the Computer Algebra SHell (bsd3, computer-algebra, library, math)
casing library and test: Convert between various source code casing conventions (library, mit, text)
casr-logbook library and test: CASR 61.345 Pilot Personal Logbook (aviation, library)
casr-logbook-html library and test: CASR 61.345 Pilot Personal Logbook HTML output (aviation, library)
casr-logbook-meta library and test: Meta-information about entries in a CASR 61.345 logbook (casr-logbook) (aviation, library)
casr-logbook-meta-html library and test: Meta-information about entries in a CASR 61.345 logbook (casr-logbook) HTML output (aviation, library)
casr-logbook-reports library and test: CASR 61.345 logbook (casr-logbook) reports. (aviation, library)
casr-logbook-reports-html library and test: CASR 61.345 logbook reports HTML output (aviation, library)
casr-logbook-reports-meta library and test: Reports on meta-information about entries in a CASR 61.345 logbook (casr-logbook) (aviation, library)
casr-logbook-reports-meta-html library and test: HTML output for reports on meta-information about entries in a CASR 61.345 logbook (aviation, library)
casr-logbook-types library and test: CASR 61.345 Pilot Personal Logbook (aviation, library)
cassandra-cql library: Haskell client for Cassandra's CQL protocol (bsd3, database, library)
cassandra-thrift library: thrift bindings to the cassandra database (database, library)
cassava library and test: A CSV parsing and encoding library (bsd3, csv, library, text, web)
cassava-conduit library, test and benchmark: Conduit interface for cassava package (bsd3, data, library)
cassava-embed library: CSV-file embedding library (bsd3, csv, library, text)
cassava-megaparsec library and test: Megaparsec parser of CSV files that plays nicely with Cassava (csv, library, mit, parsing, text, web)
cassava-records library and test: Auto-generation of records data type. (bsd3, csv, library, text, web)
cassava-streams library and test: io-streams interface for the cassava CSV library. (bsd3, csv, data, io-streams, library, text)
cassette library: A combinator library for simultaneously defining parsers and pretty printers. (bsd3, library, parsing, text)
cassy library and test: A high level driver for the Cassandra datastore (bsd3, database, library)
cast library: Abstact cast pattern (bsd3, library, pattern)
castle program: A tool to manage shared cabal-install sandboxes. (apache, development, program)
casui program: Equation Manipulator (math, mit, program)
catamorphism library and test: Exposes a Template Haskell function for generating catamorphisms. (bsd3, development, library)
catch-fd library: MonadThrow and MonadCatch, using functional dependencies (bsd3, control, library)
categorical-algebra library: Categorical Monoids and Semirings (bsd3, data, library)
categories library: Categories (bsd3, control, library)
category library: Categorical types and classes (bsd3, control, library, math)
category-extras library: A meta-package documenting various packages inspired by category theory (bsd3, comonads, control, library, monads)
category-printf library: Highbrow approach to type-safe printf format specifications. (bsd3, library, text)
category-traced library: Traced monoidal categories (bsd3, library, math)
catnplus program: Simple tool to display text files with line numbers and paging (command-line-tool, mit, program)
cautious library and test: Keep track of warnings and errors during calculations. (bsd3, library, testing)
cautious-file library: Ways to write a file cautiously, to reduce the chances of problems such as data loss due to crashes or power failures (bsd3, library, system)
cayley-client library and test: A Haskell client for the Cayley graph database (bsd3, database, library)
cayley-dickson library and test: Complex numbers, quaternions, octonions, sedenions, etc. (algebra, library, math, mit)
cblrepo program: Tool to maintain a database of CABAL packages and their dependencies (distribution, program, utils)
cbor-tool program: A tool for manipulating CBOR. (bsd3, codec, program)
cborg library: Concise Binary Object Representation (bsd3, codec, library)
cborg-json library: A library for encoding JSON as CBOR (bsd3, codec, library)
cci library and tests: Bindings for the CCI networking library (bsd3, library, network)
ccnx library: A Haskell implementation of the CCNx network protocol. (bsd3, library, network)
cctools-workqueue library: High-level interface to CCTools' WorkQueue library (distributed-computing, gpl, library)
cdeps library and test: Extract dependencies from C code. (bsd3, c, development, language, library)
cedict library and program: Convenient Chinese phrase & character lookup. (library, program, text)
cef library and test: CEF log format (bsd3, library, system)
cef3-raw library: Raw CEF3 bindings (bsd3, ffi, library)
cef3-simple library: Simple wrapper around cef3-raw (bsd3, ffi, library)
ceilometer-common library and test: Common Haskell types and encoding for OpenStack Ceilometer (bsd3, development, library)
cellrenderer-cairo library: Cairo-based CellRenderer (bsd3, graphics, library)
celtchar library, program and test: A tool to build a novel (library, mit, program, text)
cerberus library, program and test: Protect and control API access with cerberus (bsd3, deprecated, development, library, program)
cereal library and test: A binary serialization library (bsd3, data, library, parsing)
cereal-conduit library and test: Turn Data.Serialize Gets and Puts into Sources, Sinks, and Conduits (bsd3, conduit, library)
cereal-derive library: Automatic deriving of Serialize using GHC.Generics (data, gpl, library)
cereal-enumerator library: Deserialize things with cereal and enumerator (library, public-domain, text)
cereal-ieee754 library: Floating point support for the 'cereal' serialization library (bsd3, data, deprecated, library, parsing)
cereal-io-streams library, test and benchmark: io-streams support for the cereal binary serialization library (bsd3, data, io-streams, library, parsing)
cereal-plus library and test: An extended serialization library on top of "cereal" (library, mit, serialization)
cereal-streams library, test and benchmark: Use cereal to encode/decode io-streams. (bsd3, data, deprecated, io-streams, library, parsing)
cereal-text library: Data.Text instances for the cereal serialization library (apache, data, library)
cereal-time library and test: Serialize instances for types from `time` package. (bsd3, data, library)
cereal-vector library and test: Serialize instances for Data.Vector types. (bsd3, data, library)
certificate library: Certificates and Key Reader/Writer (bsd3, data, deprecated, library)
cf library and test: Exact real arithmetic using continued fractions (library, math, mit)
cfipu program: cfipu processor for toy brainfuck-like language (bsd3, compilers-interpreters, program)
cflp library: Constraint Functional-Logic Programming in Haskell (bsd3, control, library)
cfopu program: cfopu processor (bsd3, compilers-interpreters, deprecated, program)
cg program: Parser for categorial grammars. (gpl, language, program)
cgen library and programs: generates Haskell bindings and C wrappers for C++ libraries (bsd3, development, library, program)
cgi library and test: A library for writing CGI programs (bsd3, library, network)
cgi-undecidable library: Undecidable instances for the cgi package. (bsd3, library, unclassified)
cgi-utils library: Simple modular utilities for CGI/FastCGI (sessions, etc.) (bsd3, cgi, library, web)
cgrep program: Command line tool (gpl, program, utils)
chain-codes library and test: Library decoding chain codes from images (data, gpl, library)
chalk library: Terminal string styling. (library, mit, system)
chalkboard library: Combinators for building and processing 2D images. (bsd3, graphics, library)
chalkboard-viewer library: OpenGL based viewer for chalkboard rendered images. (bsd3, graphics, library)
chalmers-lava2000 library: Hardware description EDSL (bsd3, hardware, language, library)
chan library and test: Some extra kit for Chans (bsd3, library, web)
chan-split library: Concurrent Chans as read/write pairs. Also provides generic Chan pair class. (bsd3, concurrency, library)
change-monger library and program: Parse VCS changelogs into ChangeLogs (bsd3, development, library, program, text)
changelogged library, program and test: Changelog manager for Git projects. (bsd3, development, library, program)
charade library and program: Rapid prototyping websites with Snap and Heist (bsd3, library, program, web)
charset library: Fast unicode character sets based on complemented PATRICIA tries (bsd3, data, library)
charsetdetect library: Character set detection using Mozilla's Universal Character Set Detector (library, text)
charsetdetect-ae library: Character set detection using Mozilla's Universal Character Set Detector (library, text)
chart-histogram library: Easily render histograms with Chart (bsd3, deprecated, graphics, library)
chart-unit library, programs and test: Native haskell charts. (bsd3, charts, library, program)
chaselev-deque library and test: Chase & Lev work-stealing lock-free double-ended queues (deques). (bsd3, concurrent, data, library)
chatter library, programs and test: A library of simple NLP algorithms. (bsd3, library, natural-language-processing, program)
chatty library: Some monad transformers and typeclasses for abstraction of global dependencies. (agpl, library, text)
chatty-text library: Provides some classes and types for dealing with text, using the fundaments of Chatty. (agpl, library, text)
chatty-utils library: Some utilities every serious chatty-based application may need. (agpl, data, library)
chatwork library, program and test: The ChatWork API in Haskell (library, mit, program, web)
cheapskate library and program: Experimental markdown processor. (bsd3, library, program, text)
cheapskate-highlight library: Code highlighting for cheapskate (bsd3, library, text)
cheapskate-lucid library: Use cheapskate with Lucid (bsd3, library, web)
cheapskate-terminal library, program and test: Initial project template from stack (bsd3, library, program, web)
check-email library: Confirm whether an email is valid and probably existant. (bsd3, library, network)
check-pvp program: Check whether module and package imports conform to the PVP (bsd3, distribution, program)
checked library: Bounds-checking integer types. (bsd3, data, library)
checkers library: Check properties on standard classes and data structures. (bsd3, library, testing)
checkmate library, program and tests: Generate checklists relevant to a given patch (agpl, development, library, program)
checksum library: Compute and verify checksums of ISBN, IBAN, etc. (bsd3, library, math)
chell library: A simple and intuitive library for automated testing. (library, mit, testing)
chell-hunit library: HUnit support for the Chell testing library (library, mit, testing)
chell-quickcheck library: QuickCheck support for the Chell testing library (library, mit, testing)
chesshs library: Simple library for validating chess moves and parsing PGN files (bsd3, game, library)
chevalier-common library: Query interface for Chevalier (bsd3, library, other)
chitauri program and test: Helper for the Major System (bsd3, program, web)
choice library: A solution to boolean blindness. (data, library, public-domain)
choose library: Choose random elements from a stream. (apache, library, random)
choose-exe library and program: Command-line program to choose random element from a stream. (apache, application, library, program)
chorale library and test: A module containing basic functions that the prelude does not offer (library, mit, prelude)
chorale-geo library and test: A module containing basic geo functions (library, mit, prelude)
chp library: An implementation of concurrency ideas from Communicating Sequential Processes (bsd3, concurrency, library)
chp-mtl library: MTL class instances for the CHP library (bsd3, concurrency, library)
chp-plus library: A set of high-level concurrency utilities built on Communicating Haskell Processes (bsd3, concurrency, library)
chp-spec library: A mirror implementation of chp that generates a specification of the program (bsd3, concurrency, library)
chp-transformers library: Transformers instances for the CHP library (bsd3, concurrency, library)
chr-core library: Constraint Handling Rules (bsd3, control, library)
chr-data library: Datatypes required for chr library (bsd3, development, library)
chr-lang library and program: AST + surface language around chr (bsd3, development, library, program)
chr-parse library: Parsing for chr library (bsd3, development, library)
chr-pretty library: Pretty printing for chr library (bsd3, development, library)
chronograph library: measure timings of data evaluation (bsd3, library, testing)
chronologique library and test: Time to manipulate time (bsd3, library, text)
chronos library and test: A performant time library (bsd3, library, web)
chu2 library: FFI for Chu2 Agda Web Server Interface (bsd3, library, web)
chuchu library and tests: Behaviour Driven Development like Cucumber for Haskell (library, test)
chunked-data library: Typeclasses for dealing with various chunked data representations (data, library, mit)
chunks library: Simple template library with static safety (library, text)
chunky library, program and test: Human-readable storage of text/binary objects. (codec, deprecated, lgpl, library, program)
church-list library: Removed; please see fmlist. (deprecated, library, mit, system)
church-pair library: Church encoded pair (bsd3, data, library)
cielo library and test: Cielo API v3 Bindings for Haskell (agpl, library, web)
cil library: An interface to CIL. (bsd3, language, library)
cinvoke library: A binding to cinvoke. (bsd3, foreign, library)
cio library: A monad for concurrent IO on a thread pool (concurrency, deprecated, library, mit)
cipher-aes library, test and benchmark: Fast AES cipher implementation with advanced mode of operations (bsd3, cryptography, deprecated, library)
cipher-aes128 library and benchmark: AES and common modes using AES-NI when available. (bsd3, cryptography, library)
cipher-blowfish library, test and benchmark: Blowfish cipher (bsd3, cryptography, deprecated, library)
cipher-camellia library, test and benchmark: Camellia block cipher primitives (bsd3, cryptography, library)
cipher-des library, test and benchmark: DES and 3DES primitives (bsd3, cryptography, library)
cipher-rc4 library, test and benchmark: Fast RC4 cipher implementation (bsd3, cryptography, deprecated, library)
cipher-rc5 library: Pure RC5 implementation (bsd3, cryptography, library)
ciphersaber2 library and program: Implementation of CipherSaber2 RC4 cryptography. (data, library, mit, program)
circ library: A Compiler IR Compiler. (bsd3, compiler, language, library)
circle-packing library: Simple heuristic for packing discs of varying radii in a circle (bsd3, library, optimisation)
circlehs library: The CircleCI REST API for Haskell (api, library, mit, web)
cirru-parser library: Cirru Parser in Haskell (library, mit, text)
cisco-spark-api library, program and test: A Haskell bindings for Cisco Spark API (library, mit, program, web)
citation-resolve library and tests: convert document IDs such as DOI, ISBN, arXiv ID to bibliographic reference. (bsd3, library, text)
citeproc-hs library: A Citation Style Language implementation in Haskell (bsd3, library, text)
citeproc-hs-pandoc-filter program: A Pandoc filter for processing bibliographic references with citeproc-hs (gpl, program, text)
cityhash library and test: Bindings to CityHash (codec, library, mit)
cj-token library, program and test: A new Haskeleton package. (library, other, program)
cjk library and test: Data about Chinese, Japanese and Korean characters and languages (bsd3, library, text)
clac program: Simple CLI RPN calculator (gpl, math, program)
clafer library, program and tests: Compiles Clafer models to other formats: Alloy, JavaScript, JSON, HTML, Dot. (library, mit, model, program)
claferIG library, program and test: claferIG is an interactive tool that generates instances of Clafer models. (library, mit, model, program)
claferwiki library: A wiki-based IDE for literate modeling with Clafer (library, mit, wiki)
clang-compilation-database library and test: JSON Compilation Database Format encoding and decoding (language, library, mit)
clang-pure library: Pure C++ code analysis with libclang (apache, language, library)
clanki program: Command-line spaced-repetition software (education, mit, program)
clarifai library: API Client for the Clarifai API. (library, mit, network)
clash library: CAES Language for Synchronous Hardware (CLaSH) (bsd3, deprecated, hardware, language, library)
clash-ghc library and programs: CAES Language for Synchronous Hardware (bsd2, hardware, library, program)
clash-lib library: CAES Language for Synchronous Hardware - As a Library (bsd2, hardware, library)
clash-multisignal library: (bsd3, hardware, library)
clash-prelude library: CAES Language for Synchronous Hardware - Prelude library (bsd2, hardware, library)
clash-prelude-quickcheck library: QuickCheck instances for various types in the CλaSH Prelude (hardware, library, testing)
clash-systemverilog library: CAES Language for Synchronous Hardware - SystemVerilog backend (bsd2, hardware, library)
clash-verilog library: CAES Language for Synchronous Hardware - Verilog backend (bsd2, hardware, library)
clash-vhdl library: CAES Language for Synchronous Hardware - VHDL backend (bsd2, hardware, library)
classify library: Library for classification of media files. (data, library, public-domain)
classy-influxdb-simple library: Super simple InfluxDB package in Classy-MTL style (bsd3, database, library)
classy-miso library, program and test: Typeclass based support for Miso, the Tasty Web Framework for Haskell. (bsd3, library, program, web)
classy-parallel library: Fork of the monad-parallel package using monad-control (control, gpl, library)
classy-prelude library and test: A typeclass-based Prelude. (control, library, mit, prelude)
classy-prelude-conduit library and test: classy-prelude together with conduit functions (control, library, mit, prelude)
classy-prelude-yesod library: Provide a classy prelude including common Yesod functionality. (control, library, mit, yesod)
classyplate library and benchmark: Fuseable type-class based generics (bsd3, data, library)
clay library and test: CSS preprocessor as embedded Haskell. (bsd3, graphics, library, web)
clckwrks library: A secure, reliable content management system (CMS) and blogging platform (bsd3, clckwrks, library)
clckwrks-cli program: a command-line interface for adminstrating some aspects of clckwrks (bsd3, clckwrks, program)
clckwrks-dot-com program: clckwrks.com (bsd3, clckwrks, program)
clckwrks-plugin-bugs library: bug tracking plugin for clckwrks (bsd3, clckwrks, library)
clckwrks-plugin-ircbot library: ircbot plugin for clckwrks (bsd3, clckwrks, library)
clckwrks-plugin-mailinglist library: mailing list plugin for clckwrks (bsd3, clckwrks, library)
clckwrks-plugin-media library: media plugin for clckwrks (bsd3, clckwrks, library)
clckwrks-plugin-page library: support for CMS/Blogging in clckwrks (bsd3, clckwrks, library)
clckwrks-theme-bootstrap library: simple bootstrap based template for clckwrks (bsd3, clckwrks, library)
clckwrks-theme-clckwrks library: simple bootstrap based template for clckwrks (bsd3, clckwrks, library)
clckwrks-theme-geo-bootstrap library: geo bootstrap based template for clckwrks (bsd3, clckwrks, library)
cld2 library: Haskell bindings to Google's Compact Language Detector 2 (apache, library, text)
clean-home program: Keep your home dir clean by finding old conf files (bsd3, program, utils)
clean-unions library: Open unions without need for Typeable (bsd3, data, deprecated, library)
cless program: Colorized LESS (mit, program, text)
clevercss library and program: A CSS preprocessor (bsd3, library, program, text)
clexer library: Lexes C++ code into simple tokens (bsd3, library, unclassified)
cli library and test: Command Line Interface (bsd3, cli, library)
cli-builder library and test: Simple project template from stack (library, mit, tool)
cli-setup library: Helper setup scripts for packaging command-line tools. (bsd3, command-line-tools, development, library)
click-clack program: Toy game (tetris on billiard board). Hipmunk in action. (little-game, program)
clientsession library, program and test: Securely store session data in a client-side cookie. (library, mit, program, web)
clif library, test and benchmark: A Clifford algebra number type for Haskell (algebra, library, math, mit)
clifford library, program, test and benchmark: A Clifford algebra library (bsd3, library, math, numerical, program)
clifm program: Command Line Interface File Manager (bsd3, program, system)
clingo library: Haskell bindings to the Clingo ASP solver (asp, ffi, library, logic-programming, mit, symbolic-computation)
clippard library: A simple Haskell library for copying text to the clipboard in a cross-platform way. (library, mit, system)
clipper library: Haskell API to clipper (2d polygon union/intersection/xor/clipping API) (algebra, bsd3, library)
clippings library, program and test: A parser/generator for Kindle-format clipping files (`My Clippings.txt`), (library, mit, program, text)
clist library: Counted list (data, library)
clit library and program: Post tweets from stdin (bsd3, library, program, web)
cloben program: Clone and benchmark Haskell cabal projects (benchmarking, bsd3, program)
clock library and test: High-resolution clock functions: monotonic, realtime, cputime. (bsd3, library, system)
clock-extras library and test: A couple functions that probably should be in the 'clock' package (bsd3, library, web)
clocked library: timer functionality to clock IO commands (concurrency, lgpl, library)
clogparse library: Parse IRC logs such as the #haskell logs on tunes.org (bsd3, irc, language, library, text)
clone-all program: Clone all github repositories from a given user (development, mit, program)
closed library and test: Integers bounded by a closed interval (data, library, mit)
closure library: Depth- and breadth-first set closures (library, math, mit)
cloud-haskell library: The Cloud Haskell Application Platform (bsd3, control, library)
cloud-seeder library and test: A tool for interacting with AWS CloudFormation (cloud, library)
cloudfront-signer library: CloudFront URL signer (bsd3, library, network)
cloudi library: Haskell CloudI API (foreign, library, mit)
cloudyfs program: A cloud in the file system. (program, system)
clr-bindings library and test: Glue between clr-host and clr-typed (.net, bsd3, clr, ffi, language, library)
clr-host library and test: Hosting the Common Language Runtime (.net, bsd3, clr, ffi, language, library)
clr-inline library, test and benchmark: Quasiquoters for inline C# and F# (.net, bsd3, clr, ffi, language, library)
clr-marshal library: Marshaling for the clr (.net, bsd3, clr, ffi, language, library)
clr-typed library and test: A strongly typed Haskell interface to the CLR type system (.net, bsd3, clr, ffi, language, library)
clr-win-linker program: A GHC linker wrapper tool to workaround a GHC >8.2 bug (.net, bsd3, clr, ffi, language, program)
cltw program: Command line Twitter utility (bsd3, console, program, utils)
clua program: C to Lua data wrapper generator (bsd3, language, program)
clumpiness library: Calculate the clumpiness of leaf properties in a tree (gpl, library, math)
cluss library: simple alternative to type classes (bsd3, constraints, library, type-system)
clustering library, test and benchmark: High performance clustering algorithms (library, math, mit)
clustertools programs: Tools for manipulating sequence clusters (bioinformatics, program)
clutterhs library: Bindings to the Clutter animation library (gui, library)
cmaes library and test: CMA-ES wrapper in Haskell (algorithms, library, numerical, optimization)
cmark library, test and benchmark: Fast, accurate CommonMark (Markdown) parser and renderer (bsd3, library, text)
cmark-gfm library, test and benchmark: Fast, accurate GitHub Flavored Markdown parser and renderer (bsd3, library, text)
cmark-highlight library: Code highlighting for cmark (bsd3, library, text)
cmark-lucid library: Use cmark with Lucid (bsd3, library, web)
cmark-patterns library: Pattern synonyms for cmark (bsd3, library, parsing, text)
cmark-sections library and test: Represent cmark-parsed Markdown as a tree of sections (bsd3, library, text)
cmath library: A binding to the standard C math library (bsd3, library, math)
cmathml3 library and program: Data model, parser, serialiser and transformations for Content MathML 3 (bsd3, library, program, xml)
cmd-item library and test: Library to compose and reuse command line fragments (library, mit, system)
cmdargs library: Command line argument processing (bsd3, console, library)
cmdargs-browser program: Helper to enter cmdargs command lines using a web browser (bsd3, console, program)
cmdlib library: a library for command line parsing & online help (bsd3, library, system)
cmdtheline library and test: Declarative command-line option parsing and documentation library. (console, library, mit)
cml library: Events and Channels as in Concurrent ML (bsd3, concurrency, library)
cmonad library: A library for C-like programming (bsd3, language, library)
cmph library and test: low level interface to CMPH (bsd3, data, data-structures, library)
cmu library and program: Unification in a Commutative Monoid (algebra, library, program)
cmv library and programs: Detailed visualization of CMs, HMMs and their comparisions (bioinformatics, gpl, library, program)
cnc-spec-compiler program: Compiler/Translator for CnC Specification Files. (bsd3, compilers-interpreters, parallelism, program)
cndict library: Chinese/Mandarin <-> English dictionary, Chinese lexer. (library, natural-language-processing, public-domain)
coalpit library and test: Command-line options and DSV parsing and printing (bsd3, console, library)
code-builder library: Simple system for generating code. (bsd3, data, library)
code-page library and test: Windows code page library for Haskell (bsd3, library, system)
codec library and test: Simple bidirectional serialization (bsd3, data, library)
codec-beam library and test: Erlang VM byte code assembler (bsd3, codec, language, library)
codec-libevent library and program: Cross-platform structure serialisation (bsd3, data, deprecated, library, parsing, program)
codec-mbox library: A library to read and write mailboxes in mbox format (bsd3, codec, library)
codec-rpm library and test: A library for manipulating RPM files (distribution, lgpl, library)
codecov-haskell library, programs and test: Codecov.io support for Haskell. (bsd3, control, library, program)
codemonitor program: Tool that automatically runs arbitrary commands when files change on disk. (bsd3, program, tool)
codepad library: Submit and retrieve paste output from CodePad.org. (bsd3, library, web)
codeworld-api library: Graphics library for CodeWorld (library, unclassified)
codex library and program: A ctags file generator for cabal project dependencies. (apache, development, library, program)
codo-notation library: A notation for comonads, analogous to the do-notation for monads. (bsd3, language, library)
coerce-util library: utils for Data.Coerce (data, library, mit)
cofunctor library: DEPRECATED: use the "contravariant" package (bsd3, data, deprecated, library)
cognimeta-utils library and program: Utilities for Cognimeta products (such as perdure). API may change often. (library, program, unclassified)
coin program: Simple account manager (application, program)
coinbase-exchange library, program and test: Connector library for the coinbase exchange. (library, mit, program, web)
coincident-root-loci library and test: Equivariant CSM classes of coincident root loci (bsd3, library, math)
colada library and program: Colada implements incremental word class class induction using online LDA (bsd3, library, natural-language-processing, program)
colchis library: Rudimentary JSON-RPC 2.0 client over raw TCP. (bsd3, library, network)
cold-widow library, programs and test: File transfer via QR Codes. (bsd3, library, program, utility)
collada-output library and program: Generate animated 3d objects in COLLADA (bsd3, graphics, library, program)
collada-types library: Data exchange between graphic applications (bsd3, graphics, library)
collapse-util program: utility for collapsing adjacent writes (bsd3, concurrency, program)
collection-json library and test: Collection+JSON—Hypermedia Type Tools (data, library, mit)
collections library: Useful standard collections types and related functions. (bsd3, data-structures, library)
collections-api library: API for collection data structures. (bsd3, data-structures, library)
collections-base-instances library: Useful standard collections types and related functions. (bsd3, data-structures, library)
colock library: thread-friendly file locks that don't block the entire program (library, system)
colonnade library and test: Generic types and functions for columnar encoding and decoding (bsd3, library, web)
color-counter library and program: Count colors in images (graphics, library, mit, program)
colorful-monoids library and test: Styled console text output using ANSI escape sequences. (library, mit, monad, text, user-interfaces)
colorize-haskell library and program: Highligt Haskell source (bsd3, development, library, program)
colorless library and test: Colorless | The Programmatic IDL (bsd3, library, web)
colorless-http-client library: Http Client addon for Colorless (bsd3, library, web)
colorless-scotty library: Scotty server add-on for Colorless (bsd3, library, web)
colors library: A type for colors (bsd3, data, library)
colour library and test: A model for human colour/color perception (data, graphics, library, mit)
colour-accelerate library: Working with colours in Accelerate (bsd3, data, graphics, library)
colour-space library: Instances of the manifold-classes for colour types (data, gpl, graphics, library, maths)
coltrane library: A jazzy, minimal web framework for Haskell, inspired by Sinatra. (bsd3, library, web)
columbia library: Enhanced serialization using seeking. (bsd3, library, serialization)
com : Haskell COM support library (bsd3, ffi)
comark library and program: Commonmark processing in pure haskell. (bsd3, library, program, text)
comark-html library, test and benchmark: Commonmark (markdown) to HTML renderer. (bsd3, library, text)
comark-parser library, test and benchmark: Parser for Commonmark (markdown) (bsd3, library, text)
comark-syntax library: Definitions of AST that represents a Commonmark (markdown) document. (bsd3, library, text)
combinat library and test: Generate and manipulate various combinatorial objects. (bsd3, library, math)
combinat-compat library and test: Generate and manipulate various combinatorial objects. (bsd3, library, math)
combinat-diagrams library: Graphical representations for various combinatorial objects (bsd3, library, math)
combinator-interactive library and program: SKI Combinator interpreter (bsd3, language, library, program)
combinatorial library and test: Count, enumerate, rank and unrank combinatorial objects (bsd3, library, math, statistics)
combinatorial-problems library: A number of data structures to represent and allow the manipulation of standard combinatorial problems, used as test problems in computer science. (library, optimisation)
combinatorics library: Efficient computation of common combinatoric functions. (bsd3, deprecated, library, math, statistics)
combobuffer library: Various buffer implementations (bsd3, data, library)
comfort-array library: Arrays where the index type is a function of the shape type (bsd3, data-structures, library)
comfort-graph library and test: Graph structure with type parameters for nodes and edges (bsd3, data, library)
comic library: A format for describing comics. (bsd3, data, library)
comma library and test: CSV Parser & Producer (library, text)
command library: Conveniently run shell commands (bsd3, deprecated, library, system)
command-qq library and tests: Quasiquoters for external commands (bsd3, library, system)
commander library, program and test: pattern matching against string based commands (bsd3, library, program, text)
commodities library and tests: Library for working with commoditized amounts and price histories (bsd3, finance, library)
commsec library: Provide communications security using symmetric ephemeral keys (bsd3, cryptography, library)
commsec-keyexchange library: Key agreement for commsec. (bsd3, library, network)
commutative library and test: Commutative binary operations. (data, library, math, mit)
comonad library: Comonads (bsd3, comonads, control, library)
comonad-extras library: Exotic comonad transformers (bsd3, comonads, control, library)
comonad-random library: Comonadic interface for random values (control, deprecated, library)
comonad-transformers library: This package has been merged into comonad 4.0 (bsd3, comonads, control, deprecated, library)
comonads-fd library: This package has been merged into comonad 4.0 (bsd3, comonads, control, deprecated, library)
compact library and test: Non-GC'd, contiguous storage for immutable data structures (bsd3, data, library)
compact-map library: Compact Data.Map implementation using Data.Binary (bsd3, data, library)
compact-mutable library and test: Mutable arrays living on the compact heap (bsd3, library, web)
compact-socket library: Socket functions for compact normal form. (bsd3, library, network)
compact-string library: Fast, packed and strict strings with Unicode support, based on bytestrings. (bsd3, data, deprecated, library)
compact-string-fix library: Same as compact-string except with a small fix so it builds on ghc-6.12 (bsd3, data, library)
compactable library: A typeclass for structures which can be catMaybed, filtered, and partitioned. (bsd3, control, library)
compactmap library and test: A read-only memory-efficient key-value store. (bsd3, data, library)
compare-type library: compare types of any kinds in haskell (bsd3, dependent-types, library)
compdata library, test and benchmark: Compositional Data Types (bsd3, generics, library)
compdata-automata library and benchmark: Tree automata on Compositional Data Types (bsd3, generics, library)
compdata-dags library and test: Compositional Data Types on DAGs (bsd3, generics, library)
compdata-param library and test: Parametric Compositional Data Types (bsd3, generics, library)
compensated library: Compensated floating-point arithmetic (bsd3, library, numeric)
competition library: Helpers and runners for code competitions (code-competitions, library, mit)
compilation library: Haskell functionality for quickly assembling simple compilers. (compilers-interpreters, gpl, language, library)
compiler-warnings library and test: Parser for common compiler warning formats (bsd2, development, library)
complex-generic library: complex numbers with non-mandatory RealFloat (bsd3, library, math)
complex-integrate library: A simple integration function to integrate a complex-valued complex functions (library, math, public-domain)
complexity library: Empirical algorithmic complexity (bsd3, library, testing)
composable-associations library and test: Types and helpers for composing types into a single larger key-value type. (bsd3, library, web)
composable-associations-aeson library and tests: Aeson ToJSON/FromJSON implementation for the types of composable-associations (bsd3, library, web)
compose-ltr library and test: More intuitive, left-to-right function composition. (data, library, mit)
compose-trans library: Composable monad transformers (bsd3, library, monads)
composite-aeson library and test: JSON for Vinyl/Frames records (bsd3, library, records)
composite-aeson-refined library: composite-aeson support for Refined from the refined package (bsd3, library, records)
composite-base library and test: Shared utilities for composite-* packages. (bsd3, library, records)
composite-ekg library: EKG Metrics for Vinyl/Frames records (bsd3, library, records)
composite-opaleye library and test: Opaleye SQL for Frames records (bsd3, library, records)
composite-swagger library and test: Swagger for Vinyl/Frames records (bsd3, library, records)
composition library: Combinators for unorthodox function composition (bsd3, data, library)
composition-extra library: Combinators for unorthodox structure composition (bsd3, data, library)
composition-prelude library: Higher-order function combinators (bsd3, control, data, library)
composition-tree library and test: Composition trees for arbitrary monoids. (bsd3, data, library)
compound-types library and benchmark: Sum and Product types and such (data, library, mit, type-system, types)
compressed library: Compressed containers and reducers (bsd3, compression, data, library, mapreduce)
compression library: Common compression algorithms. (codec, library)
compstrat library: Strategy combinators for compositional data types (bsd3, generics, language, library)
comptrans library: Automatically converting ASTs into compositional data types (bsd3, data, generics, library)
computational-algebra library, tests and benchmarks: Well-kinded computational algebra library, currently supporting Groebner basis. (bsd3, library, math)
computational-geometry library: Collection of algorithms in Computational Geometry. (bsd3, graphics, library, math)
computations library: Advanced notions of computation (bsd3, control, library)
concatenative library: A library for postfix control flow. (bsd3, control, library)
conceit library: Concurrent actions that may fail with a value. (bsd3, concurrency, library)
concise library and test: Utilities for Control.Lens.Cons (bsd3, data, lenses, library)
concorde library: Simple interface to the Concorde solver for the Traveling Salesperson Problem (algorithms, bsd3, library)
concraft library: Morphological disambiguation based on constrained CRFs (bsd3, library, natural-language-processing)
concraft-hr library and program: Part-of-speech tagger for Croatian (bsd3, library, natural-language-processing, program)
concraft-pl library and program: Morphological tagger for Polish (bsd3, library, natural-language-processing, program)
concrete-haskell library, programs and tests: Library for the Concrete data format. (data, library, program)
concrete-haskell-autogen library: Automatically generated Thrift definitions for the Concrete data format. (data, library)
concrete-relaxng-parser program: A parser driven by a standard RELAX NG schema with concrete syntax extensions. (parsing, program, xml)
concrete-typerep library and test: Binary and Hashable instances for TypeRep (bsd3, data, library)
concurrency library: Typeclasses, functions, and data types for concurrency and STM. (concurrency, library, mit)
concurrent-barrier library: Simple thread barriers (bsd3, concurrency, library)
concurrent-buffer library, test and benchmark: Concurrent expanding buffer (data, library, mit)
concurrent-dns-cache library, program and test: Concurrent DNS cache (bsd3, library, network, program)
concurrent-extra library and test: Extra concurrency primitives (bsd3, concurrency, library)
concurrent-machines library, test and benchmark: Concurrent networked stream transducers (bsd3, concurrency, control, library)
concurrent-output library: Ungarble output from several threads or commands (bsd2, library, user-interfaces)
concurrent-rpc library: An abstraction for inter-thread RPC based on MVars (concurrency, library, mit)
concurrent-sa library: Concurrent simulated annealing system. (algorithms, bsd3, concurrency, library)
concurrent-split library: MVars and Channels with distinguished input and output side (bsd3, concurrent, library)
concurrent-st library: Concurrent Haskell in ST (bsd3, library, software)
concurrent-state library: MTL-like library using TVars (control, library, mit)
concurrent-supply library: A fast concurrent unique identifier supply with a pure API (bsd3, concurrency, library, parallelism)
concurrent-utilities library: More utilities and broad-used datastructures for concurrency. (bsd3, concurrency, library)
concurrentoutput library: Ungarble output from several threads (bsd3, deprecated, library, user-interfaces)
cond library: Basic conditional and boolean operators with monadic variants. (bsd3, control, library, logic, monad)
condor library, program and test: Information retrieval library (bsd3, deprecated, library, program, search, text)
condorcet library: Library for Condorcet voting (bsd3, data, library)
conductive-base library: a library for live coding and real-time musical applications (gpl, library, music, sound)
conductive-clock library: a library for displaying musical time in a terminal-based clock (gpl, library, music, sound)
conductive-hsc3 library: a library with examples of using Conductive with hsc3 (gpl, library, music, sound)
conductive-song library: a library of functions which are useful for composing music (gpl, library, music, sound)
conduit library, test and benchmarks: Streaming data processing library. (conduit, data, library, mit)
conduit-algorithms library and test: Conduit-based algorithms (conduit, library, mit)
conduit-audio library: Combinators to efficiently slice and dice audio streams (bsd3, library, sound)
conduit-audio-lame library: conduit-audio interface to the LAME MP3 library (bsd3, library, sound)
conduit-audio-samplerate library: conduit-audio interface to the libsamplerate resampling library (bsd3, library, sound)
conduit-audio-sndfile library: conduit-audio interface to the libsndfile audio file library (bsd3, library, sound)
conduit-combinators library: DEPRECATED Functionality merged into the conduit package itself (conduit, data, library, mit)
conduit-connection library and test: Conduit source and sink for Network.Connection. (bsd3, conduit, library, network)
conduit-extra library, test and benchmark: Batteries included conduit: adapters for common libraries. (conduit, data, library, mit)
conduit-find library, program and tests: A file-finding conduit that allows user control over traversals. (library, mit, program, system)
conduit-iconv library, test and benchmark: Conduit for character encoding conversion. (bsd3, conduit, library, text)
conduit-merge library: Merge multiple sorted conduits (bsd3, conduit, library)
conduit-network-stream library: A base layer for network protocols using Conduits (bsd3, library, network)
conduit-parse library and test: Parsing framework based on conduit. (conduit, library, public-domain, text)
conduit-resumablesink library and test: Allows conduit to resume sinks to feed multiple sources into it. (bsd3, conduit, data, library)
conduit-throttle library and test: Throttle Conduit Producers (bsd3, data, library)
conduit-tokenize-attoparsec library, program and test: Conduits for tokenizing streams. (bsd3, conduit, data, library, program)
conduit-zstd library and test: Conduit-based ZStd Compression (conduit, library, mit)
conf library and test: Parser for Haskell-based configuration files. (bsd3, configuration, library, parsing)
conf-json library and test: read, parse json config (configuration, json, library, public-domain)
conffmt program: A .conf file formatter (data, mit, program)
confide library and test: derive typeclass instances for decoding types from HOCON conf (bsd3, data, library)
config-ini library and tests: A library for simple INI-based configuration files. (bsd3, configuration, library)
config-manager library and test: Configuration management (configuration, data, gpl, library)
config-parser library and test: Parse config files using parsec and generate parse errors on unhandled keys (library, mit, text)
config-schema library and test: Schema definitions for the config-value package (language, library)
config-select program: A small program for swapping out dot files. (gpl, program, system)
config-value library: Simple, layout-based value language similar to YAML or JSON (language, library, mit)
config-value-getopt library: Interface between config-value and System.GetOpt (configuration, library, mit)
configifier library and test: parser for config files, shell variables, command line args. (agpl, configuration, data, library)
configuration library: Simple data type for application configuration. (bsd3, data, library)
configuration-tools library and tests: Tools for specifying and parsing configurations (configuration, console, library, mit)
configurator library and test: Configuration management (bsd3, configuration, data, library)
configurator-export library and test: Pretty printer and exporter for configurations from the "configurator" library. (bsd3, configuration, data, library)
configurator-ng library and test: The next generation of configuration management (bsd3, configuration, data, library)
confsolve program: A command line tool for resolving conflicts of file synchronizers. (bsd3, program, utils)
congruence-relation library: Decidable congruence relations for Haskell: up to you whether this is a joke (data, library, mit)
conjugateGradient library: Sparse matrix linear-equation solver (bsd3, library, math)
conjure library and program: A BitTorrent client (bsd3, library, network, program)
conkin library and tests: Tools for functors from Hask^k to Hask (control, library, public-domain)
conlogger library and program: A logger for a concurrent program. (concurrency, library, mit, program)
connection library: Simple and easy network connections API (bsd3, library, network)
connection-pool library: Connection pool built on top of resource-pool and streaming-commons. (bsd3, data, library, network)
connection-string library and test: A library for parsing connection strings. (bsd3, library, text)
consistent library and test: Eventually consistent STM transactions. (library, mit, system)
console-program library: Interpret the command line and a config file as commands and options (bsd3, console, library, system)
console-prompt library: console user prompts (lgpl, library, system)
console-style library: Styled console text output using ANSI escape sequences. (deprecated, library, mit, monad, text, user-interfaces)
const-math-ghc-plugin library and test: Compiler plugin for constant math elimination (bsd3, compiler-plugin, library)
constaparser library: Parse ByteStrings of a constant length. (bsd3, data, library)
constrained-categories library: Constrained clones of the category-theory type classes, using ConstraintKinds. (control, gpl, library)
constrained-dynamic library and test: Dynamic typing with retained constraints (data, library, mit)
constrained-monads library, test and benchmark: Typeclasses and instances for monads with constraints. (control, library, mit)
constrained-normal library: Normalised Deep Embeddings for Constrained Type-Class Instances (bsd3, control, library)
constraint library: Reified constraints (bsd3, constraint, library)
constraint-classes library: Various typeclasses using ConstraintKinds (bsd3, library, unclassified)
constraint-manip library: Some conviencience type functions for manipulating constraints. (control, library, mit)
constraints library and test: Constraint manipulation (bsd2, constraints, library)
constraints-emerge library and test: Defer instance lookups until runtime (constraints, library, mit)
constrictor library: strict versions of many things in base (control, library, mit)
constructible library: Exact computation with constructible real numbers (bsd3, library, math)
constructive-algebra library: A library of constructive algebra. (algebra, bsd3, library, math)
consul-haskell library and test: A consul client for Haskell (bsd3, library, network)
consumers library and tests: Concurrent PostgreSQL data consumers (bsd3, concurrency, database, library)
container library: Containers abstraction and utilities. (apache, library, text)
container-builder library: Functions for building containers from a known number of elements (bsd3, library, web)
container-classes library: Generic classes for interacting with different container types (bsd3, data-structures, deprecated, library)
containers library, tests and benchmarks: Assorted concrete container types (bsd3, data-structures, library)
containers-benchmark program: Extensive benchmark suite for containers package. (benchmarking, bsd3, program)
containers-deepseq library: Provide orphan NFData instances for containers as needed. (deprecated) (bsd3, data, deprecated, library)
containers-unicode-symbols library: Unicode alternatives for common functions and operators (bsd3, library, unclassified)
containers-verified library: Formally verified drop-in replacement of containers (data, library, mit)
content-store library and test: Store and retrieve data from an on-disk store (lgpl, library, system)
context-free-grammar library and test: Basic algorithms on context-free grammars (bsd3, language, library)
context-stack library: An abstraction of a stack and stack-based monadic context. (data, library, mit)
continue library: Monads with suspension and arbitrary-spot reentry (bsd3, control, library)
continued-fraction library, test and benchmark: Types and functions for working with continued fractions in Haskell (bsd3, library, math)
continued-fractions library: Continued fractions. (library, math, numerical, public-domain)
continuum library: (library, mit, unclassified)
continuum-client library: (library, mit, unclassified)
contravariant library: Contravariant functors (bsd3, control, data, library)
contravariant-extras library: Extras for the "contravariant" package (control, library, mit)
control-bool library: Useful combinators for boolean expressions (bsd3, control, library)
control-dotdotdot library: Haskell operator `g ... f = \x1 .. xn -> g (f x1 .. xn)`. (bsd3, control, library)
control-event library: Event scheduling system. (bsd3, control, library)
control-invariants library: Invariants and contract monitoring (control, library, mit)
control-iso library: A typeclass for type isomorphisms (bsd3, control, library)
control-monad-attempt library: Monad transformer for attempt. (deprecated) (bsd3, data, deprecated, failure, library)
control-monad-exception library: Explicitly typed, checked exceptions with stack traces (control, failure, library, mit, monads)
control-monad-exception-monadsfd library: Monads-fd instances for the EMT exceptions monad transformer (control, failure, library, monads, public-domain)
control-monad-exception-monadstf library: Monads-tf instances for the EMT exceptions monad transformer (control, failure, library, monads, public-domain)
control-monad-exception-mtl library: MTL instances for the EMT exceptions monad transformer (control, failure, library, monads, public-domain)
control-monad-failure library: A class for monads which can fail with an error. (deprecated) (control, deprecated, failure, library, monads, public-domain)
control-monad-failure-mtl library: A class for monads which can fail with an error for mtl 1 (deprecated) (control, deprecated, failure, library, monads, public-domain)
control-monad-free library: Free monads and monad transformers (control, library, monads, public-domain)
control-monad-loop library: Simple monad transformer for imperative-style loops (bsd3, control, library)
control-monad-omega library: A breadth-first list monad. (control, library, public-domain)
control-monad-queue library: Reusable corecursive queues, via continuations. (bsd3, control, library)
control-timeout library: Timeout handling (bsd3, control, deprecated, library)
contstuff library: Fast, easy to use CPS-based monad transformers (bsd3, control, deprecated, library, monads)
contstuff-monads-tf library: ContStuff instances for monads-tf transformers (deprecated) (bsd3, control, deprecated, library, monads)
contstuff-transformers library: Deprecated interface between contstuff 0.7.0 and the transformers package (bsd3, control, deprecated, library, monads)
converge library: Limit operations for converging sequences (library, math, numerical, public-domain)
conversion library: Universal converter between values of different types (control, conversion, data, library, mit)
conversion-bytestring library: "Conversion" instances for the "bytestring" library (control, conversion, data, library, mit)
conversion-case-insensitive library: "Conversion" instances for the "case-insensitive" library (control, conversion, data, library, mit)
conversion-text library: "Conversion" instances for the "text" library (control, conversion, data, library, mit)
convert library: Safe and unsafe data conversion utilities with strong type-level operation. checking. (apache, data, library)
convert-annotation library and program: Convert the annotation of a gene to another in a delimited file using a variety of different databases. (bioinformatics, gpl, library, program)
convertible library: Typeclasses and instances for converting between types (bsd3, data, library)
convertible-ascii library: convertible instances for ascii (data, failure, library, public-domain)
convertible-text : Typeclasses and instances for converting between types (deprecated) (bsd3, data, deprecated, failure)
cookbook library: Tiered general-purpose libraries with domain-specific applications. (bsd3, development, library)
cookie library and test: HTTP cookie parsing and rendering (library, mit, web, yesod)
coordinate library and test: A representation of latitude and longitude (bsd3, development, library)
copilot library and program: A stream DSL for writing embedded C programs. (bsd3, embedded, language, library, program)
copilot-c99 library and program: A compiler for Copilot targeting C99. (bsd3, embedded, language, library, program)
copilot-cbmc library: Copilot interface to a C model-checker. (bsd3, embedded, language, library)
copilot-core library: An intermediate representation for Copilot. (bsd3, embedded, language, library)
copilot-language library: A Haskell-embedded DSL for monitoring hard real-time distributed systems. (bsd3, embedded, language, library)
copilot-libraries library: Libraries for the Copilot language. (bsd3, embedded, language, library)
copilot-sbv library: A compiler for CoPilot targeting SBV. (bsd3, embedded, language, library)
copilot-theorem library: k-induction for Copilot. (bsd3, embedded, language, library)
copr library and test: Haskell interface to the Fedora Copr system (bsd3, fedora, library, web)
core library: External core parser and pretty printer. (bsd3, language, library)
core-compiler library and program: compile your own mini functional language with Core (compiler, language, library, mit, program)
core-haskell program: A subset of Haskell using in UCC for teaching purpose (bsd3, compilers-interpreters, language, program)
corebot-bliki library and program: A bliki written using yesod. Uses pandoc to process files stored in git. (bsd3, library, program, yesod)
corenlp-parser library: Launches CoreNLP and parses the JSON output (bsd3, library, natural-language-processing)
coroutine-enumerator library: Bridge between the monad-coroutine and enumerator packages. (concurrency, deprecated, enumerator, library)
coroutine-iteratee library: Bridge between the monad-coroutine and iteratee packages. (concurrency, data, deprecated, library)
coroutine-object library: Object-oriented programming realization using coroutine (bsd3, control, library)
couch-hs library and program: A CouchDB view server for Haskell. (database, library, program, public-domain)
couch-simple library and test: A modern, lightweight, complete client for CouchDB (database, library, mit)
couchdb-conduit library and test: Couch DB client library using http-conduit and aeson (bsd3, conduit, database, library)
couchdb-enumerator library and test: Couch DB client library using http-enumerator and aeson (bsd3, database, library, web)
count library: Bijective mappings between values and possibly infinite prefixes of [0..] (bsd3, data, library)
countable library and test: Countable, Searchable, Finite, Empty classes (bsd3, data, library)
countable-inflections library and test: Countable Text Inflections (library, mit, text)
counter library: An object frequency counter. (data, library, mit)
country library and test: Country data type and functions (bsd3, library, web)
country-codes library and test: ISO 3166 country codes and i18n names. (bsd3, data, library)
courier library, programs and test: A message-passing library for simplifying network applications (distributed-computing, library, message-oriented, mit, network, program)
court programs: Simple and flexible CI system (bsd3, development, program)
coverage library and test: Exhaustivity Checking Library (control, library, mit)
cparsing library: A simple C++ parser with preprocessor features. C++ refactorings included. (bsd3, language, library)
cpio-conduit library and test: Conduit-based CPIO (apache, data, library)
cplex-hs library: high-level CPLEX interface (bsd3, library, math)
cplusplus-th library and test: C++ Foreign Import Generation (bsd3, foreign, library)
cpphs library and program: A liberalised re-implementation of cpp, the C pre-processor. (development, library, program)
cprng-aes library and benchmark: Crypto Pseudo Random Number Generator using AES in counter mode. (bsd3, cryptography, deprecated, library)
cprng-aes-effect library: Run random effect using cprng-aes, a crypto pseudo number generator. (crypto, effect, library, mit)
cpsa programs: Symbolic cryptographic protocol analyzer (bsd3, cryptography, program)
cpu library: Cpu information and properties helpers. (bsd3, data, library)
cpuid : Binding for the cpuid machine instruction on x86 compatible processors (foreign-binding)
cpuinfo library: Haskell Library for Checking CPU Information (library, mit, system)
cpuperf program: Modify the cpu frequency on OpenBSD systems (bsd3, program, system)
cpython library: Bindings for libpython (foreign, gpl, library)
cql library and test: Cassandra CQL binary protocol. (database, library)
cql-io library: Cassandra CQL client. (database, library, mpl)
cqrs library: Command-Query Responsibility Segregation (data, library, mit)
cqrs-core library: Command-Query Responsibility Segregation (data, library, mit)
cqrs-example program: Example for cqrs package (mit, program, web)
cqrs-memory library and test: Memory backend for the cqrs package. (data, library, mit)
cqrs-postgresql library and test: PostgreSQL backend for the cqrs package. (data, library, mit)
cqrs-sqlite3 library and test: SQLite3 backend for the cqrs package. (data, library, mit)
cqrs-test library: Command-Query Responsibility Segregation Test Support (data, library, mit)
cqrs-testkit library: Command-Query Responsibility Segregation Test Support (data, library, mit)
cqrs-types library: Command-Query Responsibility Segregation. Modules for the basic types. (data, library, mit)
cr program: Code review tool (control, gpl, network, program, system)
crack library: A haskell binding to cracklib (library, system)
crackNum library and program: Crack various integer, floating-point data formats (bsd3, library, program, tools)
craft library and test: A UNIX configuration management library in Haskell (apache, library, unclassified)
craftwerk library: 2D graphics library with integrated TikZ output. (graphics, library, mit)
craftwerk-cairo library: Cairo backend for Craftwerk. (graphics, library, mit)
craftwerk-gtk library: Gtk UI for Craftwerk. (graphics, library, mit)
crawlchain library and tests: Simulation user crawl paths (bsd3, library, web)
craze library, program and tests: HTTP Racing Library (library, mit, program, web)
crc library, test and benchmark: Implements various Cyclic Redundancy Checks (CRC) (library, mit, web)
crc16 library: Calculate the crc16-ccitt. (bsd3, cryptography, library)
crc16-table library: Compute CRC16 checksums using a lookup table. (bsd3, library, text)
crdt library: Conflict-free replicated data types (bsd3, distributed-systems, library)
creatur library and test: Framework for artificial life experiments. (ai, bsd3, library)
credential-store library, program and test: Library to access secure credential storage providers (apache, desktop, library, program)
credentials library and test: Secure Credentials Storage and Distribution (aws, library, network, security)
credentials-cli program: Secure Credentials Administration (aws, console, network, program, security)
crf-chain1 library: First-order, linear-chain conditional random fields (bsd3, library, math)
crf-chain1-constrained library: First-order, constrained, linear-chain conditional random fields (bsd3, library, math)
crf-chain2-generic library: Second-order, generic, constrained, linear conditional random fields (bsd3, library, math)
crf-chain2-tiers library: Second-order, tiered, constrained, linear conditional random fields (bsd3, library, natural-language-processing)
critbit library, test and benchmark: Crit-bit maps and sets (bsd3, data, library)
criterion library, program and tests: Robust, reliable performance measurement and analysis (benchmarking, bsd3, development, library, performance, program, testing)
criterion-plus library and test: Enhancement of the "criterion" benchmarking library (benchmarking, library, mit)
criterion-to-html program: Convert criterion output to HTML reports (bsd3, development, program)
criu-rpc library: CRIU RPC client. (criu, library, mit)
criu-rpc-types library: Criu RPC protocol buffer types. (criu, library, mit)
crjdt-haskell library and test: A Conflict-Free Replicated JSON Datatype for Haskell (bsd3, data, library)
crockford library: An implementation of Douglas Crockford's base32 encoding. (bsd3, codec, library)
crocodile program: An offline renderer supporting ray tracing and photon mapping (gpl, graphics, program)
cron library, test and benchmark: Cron datatypes and Attoparsec parser (library, mit, parsing, system, text)
cron-compat library and test: Cron datatypes and Attoparsec parser (deprecated, library, mit, parsing, system, text)
cruncher-types library and test: Request and Response types for Eval.so's API (bsd3, deprecated, eval.so, library)
crunghc program: A runghc replacement with transparent caching (development, program, public-domain)
crypt-sha512 library: Pure Haskell implelementation for GNU SHA512 crypt algorithm (bsd3, data, library)
crypto-api library: A generic interface for cryptographic operations (bsd3, cryptography, data, library)
crypto-api-tests library: A test framework and KATs for cryptographic operations. (bsd3, cryptography, data, library)
crypto-cipher-benchmarks library: Generic cryptography cipher benchmarks (bsd3, cryptography, library)
crypto-cipher-tests library and test: Generic cryptography cipher tests (bsd3, cryptography, library)
crypto-cipher-types library: Generic cryptography cipher types (bsd3, cryptography, library)
crypto-classical library: An educational tool for studying classical cryptography schemes. (bsd3, cryptography, library)
crypto-conduit library and test: Conduit interface for cryptographic operations (from crypto-api). (bsd3, conduit, cryptography, library)
crypto-enigma library and tests: An Enigma machine simulator with display. (bsd3, cryptography, education, library)
crypto-multihash library, program and test: Multihash library on top of cryptonite crypto library (bsd3, cryptography, library, program)
crypto-numbers library, test and benchmark: Cryptographic numbers: functions and algorithms (bsd3, cryptography, library)
crypto-pubkey library, test and benchmark: Public Key cryptography (bsd3, cryptography, deprecated, library)
crypto-pubkey-openssh library and test: OpenSSH keys decoder/encoder (cryptography, library, mit, parsing)
crypto-pubkey-types library: Generic cryptography Public keys algorithm types (bsd3, cryptography, library)
crypto-random library: Simple cryptographic random related types (bsd3, cryptography, deprecated, library)
crypto-random-api library: Simple random generators API for cryptography related code (bsd3, cryptography, deprecated, library)
crypto-random-effect library: A random effect using crypto-random (crypto, effect, library, mit)
crypto-rng library: Cryptographic random number generator. (bsd3, crypto, library)
crypto-simple library and test: A simple high level encryption interface based on cryptonite (cryptography, library, mit)
crypto-totp library: Provides generation and verification services for time-based one-time keys. (bsd3, cryptography, library)
cryptocipher library: Symmetrical block and stream ciphers. (bsd3, cryptography, library)
cryptocompare library and test: Haskell wrapper for the cryptocompare API (library, mit, web)
cryptoconditions library and test: Interledger Crypto-Conditions (bsd3, crypto, finance, library, network)
cryptohash library, test and benchmarks: collection of crypto hashes, fast, pure and practical (bsd3, cryptography, data, library)
cryptohash-conduit library: cryptohash conduit (bsd3, conduit, cryptography, library)
cryptohash-cryptoapi library: Crypto-api interfaces for cryptohash (bsd3, cryptography, library)
cryptohash-md5 library, test and benchmark: Fast, pure and practical MD5 implementation (bsd3, cryptography, data, library)
cryptohash-sha1 library, test and benchmark: Fast, pure and practical SHA-1 implementation (bsd3, cryptography, data, library)
cryptohash-sha256 library, test and benchmark: Fast, pure and practical SHA-256 implementation (bsd3, cryptography, data, library)
cryptohash-sha512 library, test and benchmark: Fast, pure and practical SHA-512 implementation (bsd3, cryptography, data, library)
cryptoids library: Reversable and secure encoding of object ids as a bytestring (bsd3, cryptography, library)
cryptoids-class library: Typeclass-based interface to cryptoids (bsd3, library, web)
cryptoids-types library: Shared types for encrypting internal object identifiers before exposure (bsd3, library, web)
cryptol library, program and benchmark: Cryptol: The Language of Cryptography (bsd3, language, library, program)
cryptonite library, test and benchmark: Cryptography Primitives sink (bsd3, cryptography, library)
cryptonite-conduit library and test: cryptonite conduit (bsd3, conduit, cryptography, library)
cryptonite-openssl test: Crypto stuff using OpenSSL cryptographic library (bsd3, cryptography)
cryptsy-api library: Bindings for Cryptsy cryptocurrency exchange API. (agpl, deprecated, library, web)
crystalfontz library: Control Crystalfontz LCD displays. (bsd3, hardware, library, system, user-interfaces)
cse-ghc-plugin library: Compiler plugin for common subexpression elimination (bsd3, compiler-plugin, library)
csg library, program, tests and benchmark: Analytical CSG (Constructive Solid Geometry) library (bsd3, graphics, library, program)
csound-catalog library: a gallery of Csound instruments. (bsd3, library, music)
csound-expression library: library to make electronic music (bsd3, library, music, sound)
csound-expression-dynamic library: dynamic core for csound-expression library (bsd3, library, music, sound)
csound-expression-opcodes library: opcodes for the library csound-expression (bsd3, library, music, sound)
csound-expression-typed library: typed core for the library csound-expression (bsd3, library, music, sound)
csound-sampler library: A musical sampler based on Csound (bsd3, library, music)
csp library and test: Discrete constraint satisfaction problem (CSP) solver. (ai, constraints, control, failure, library, monads)
cspmchecker programs: A command line type checker for CSPM files. (bsd3, concurrency, program)
cspretty library: AST and pretty printer for CSPm (bsd3, language, library)
css library: Minimal monadic CSS DSL. (bsd3, deprecated, language, library)
css-syntax library and test: This package implments a parser for the CSS syntax (data, library, mit)
css-text library and test: CSS parser and renderer. (library, mit, web, yesod)
csv library: CSV loader and dumper (library, mit, text)
csv-conduit library and test: A flexible, fast, conduit-based CSV parser library for Haskell. (bsd3, conduit, csv, data, library, text)
csv-enumerator library: A flexible, fast, enumerator-based CSV parser library for Haskell. (bsd3, data, library)
csv-nptools programs: A collection of CSV tools (development, program, text, utils)
csv-table library: Scripts for manipulating tables stored as CSV files (data, library, mit)
csv-to-qif program and test: A small program that will read csv files and create qif files (bsd3, console, program, text)
ctemplate library: Binding to the Google ctemplate library (bsd3, deprecated, library, text)
ctkl library: packaging of Manuel Chakravarty's CTK Light for Hackage (bsd3, library, text)
ctpl library and programs: A programming language for text modification. (gpl, library, program, text)
ctrie library, test and benchmarks: Non-blocking concurrent map (concurrency, data-structures, library, mit)
cube library and test: Cubic DSL for 3D printing (bsd3, language, library)
cubical program: Implementation of Univalence in Cubical Sets (dependent-types, mit, program)
cubicbezier library and test: Efficient manipulating of 2D cubic bezier curves. (bsd3, geometry, graphics, library, typography)
cubicspline library: Natural cubic spline interpolation. (algorithms, bsd3, library, math)
cublas library: FFI bindings to the CUDA BLAS library (bsd3, foreign, library)
cuboid program: 3D Yampa/GLUT Puzzle Game (game, mit, program)
cuda library and program: FFI binding to the CUDA interface for programming NVIDIA GPUs (bsd3, foreign, library, program)
cudd library: Bindings to the CUDD binary decision diagrams library (bsd3, data, library)
cue-sheet library and test: Support for construction, rendering, and parsing of CUE sheets (audio, bsd3, library)
cufft library: Haskell bindings for the CUFFT library (bsd3, foreign, library)
curl library: Haskell binding to libcurl (bsd3, library, network)
curl-aeson library: Communicate with HTTP service using JSON (bsd3, json, library, network, web)
curl-runnings library, program and test: A framework for declaratively writing curl based API tests (library, mit, program, testing)
curlhs library and test: bindings to libcurl, the multiprotocol file transfer library (library, network)
currencies library and test: Currencies representation, pretty printing and conversion (bsd3, data, library)
currency library: Types representing standard and non-standard currencies (data, library)
currency-codes library and test: ISO-4217 Currency Codes (data, library, mit)
currency-convert library: Typesafe currency conversion (bsd3, data, library)
current-locale library: Get the current system locale in System.Locale format (library, mit, system)
curry library: Curry types (bsd3, data, library)
curry-base library and test: Functions for manipulating Curry programs (bsd3, language, library)
curry-frontend library, program and test: Compile the functional logic language Curry to several intermediate formats (bsd3, language, library, program)
curryer library: A simple HTTP server framework (bsd3, library, web)
curryrs library, test and benchmark: Easy to use FFI Bridge for using Rust in Haskell (ffi, library)
cursedcsv program: Terminal tool for viewing tabular data (application, bsd3, program)
curve25519 library and test: Fast implementations of the curve25519 elliptic curve primitives. (bsd3, library, math)
curves library: Library for drawing curve based images. (graphics, library, mit)
cusolver library: FFI bindings to CUDA Solver, a LAPACK-like library (bsd3, foreign, library)
cusparse library: FFI bindings to the CUDA Sparse BLAS library (bsd3, foreign, library)
custom-prelude library: An enhanced prelude, serving as a foundation for my projects (control, library)
cutter program: Cut files according to a position list (bsd3, console, program)
cv-combinators library and program: Functional Combinators for Computer Vision (ai, gpl, graphics, library, program)
cve library: simple and efficient cve datatype (bsd3, data, library)
cyclotomic library and test: A subfield of the complex numbers for exact calculation. (gpl, library, math)
cypher library: Haskell bindings for the neo4j "cypher" query language (bsd3, database, library)
czipwith library and test: CZipWith class and deriving via TH (bsd3, data, library)
d-bus library, programs and test: Permissively licensed D-Bus client library (bsd3, desktop, library, network, program)
d3d11binding library and programs: A raw binding for the directX 11 (graphics, library, mit, program)
d3js library: Declarative visualization on a web browser with DSL approach. (bsd3, graphics, library)
daemonize-doublefork library: Start background daemons by double-forking (gpl, library, web)
daemons library, programs and test: Daemons in Haskell made fun and easy (control, gpl, library, network, program, system)
dag library and test: Compile-time, type-safe directed acyclic graphs. (bsd3, library, unclassified)
damnpacket library and test: Parsing dAmn messages (library, mit, network)
danibot library and program: Basic Slack bot framework. (library, mit, network, program)
dao library, program and test: Dao is meta programming language with its own built-in interpreted language, designed with artificial intelligence applications in mind. (gpl, library, program, unclassified)
dapi program: Prints a series of dates (bsd3, console, program)
darcs library and test: a distributed, interactive, smart revision control system (development, gpl, library)
darcs-benchmark program: Comparative benchmark suite for darcs. (bsd3, program, testing)
darcs-beta : a distributed, interactive, smart revision control system (deprecated, development)
darcs-buildpackage programs: Tools to help manage Debian packages with Darcs (program, system)
darcs-cabalized program: David's Advanced Version Control System (deprecated, development, program)
darcs-fastconvert program: Import/export git fast-import streams to/from darcs. (bsd3, development, program)
darcs-graph program: Generate graphs of darcs repository activity (bsd3, distribution, program)
darcs-monitor program: Darcs repository monitor (sends email) (distribution, program)
darcs-scripts library: Shell scripts for support of darcs workflow (bsd3, development, library)
darcs2dot program: Outputs dependencies of darcs patches in dot format. (bsd3, deprecated, development, program)
darcsden programs: Darcs repository UI and hosting/collaboration app (hub.darcs.net branch). (development, distribution, program, web)
darcswatch programs: Track application of Darcs patches (distribution, program)
darkplaces-demo library, program and benchmark: Utility and parser for DarkPlaces demo files (game, gpl, library, program)
darkplaces-rcon library and test: Darkplaces rcon client library (game, gpl, library)
darkplaces-rcon-util library, program and test: Darplaces rcon utility (game, gpl, library, program)
darkplaces-text library and test: Parser for darkplaces colorful text (game, gpl, library)
dash-haskell program: Convert package Haddock to Dash docsets (IDE docs) (documentation, lgpl, program)
data-accessor library: Utilities for accessing and manipulating fields of records (bsd3, data, library)
data-accessor-monadLib library: Accessor functions for monadLib's monads (data, library, monads)
data-accessor-monads-fd library: Use Accessor to access state in monads-fd State monad class (bsd3, data, library)
data-accessor-monads-tf library: Use Accessor to access state in monads-tf State monad type family (bsd3, data, library)
data-accessor-mtl library: Use Accessor to access state in mtl State monad class (bsd3, data, library)
data-accessor-template library: Utilities for accessing and manipulating fields of records (bsd3, data, library)
data-accessor-transformers library: Use Accessor to access state in transformers State monad (bsd3, data, library)
data-aviary library: Combinator birds. (bsd3, combinators, library)
data-base library: Utilities for accessing and comparing types based on so called bases - representations with limited polymorphism. (apache, library, text)
data-basic library and test: A database library with a focus on ease of use, type safety and useful error messages (database, library, mit)
data-binary-ieee754 library: Parser/Serialiser for IEEE-754 floating-point values (data, library, mit)
data-bword library and test: Extra operations on binary words of fixed length (bsd3, data, library)
data-carousel library: A rotating sequence data structure (data, library, mit)
data-category library: Category theory (bsd3, library, math)
data-cell library: Generic cellular data representation library (bsd3, data, library)
data-check library and test: Library for checking and normalization of data (e.g. from web forms) (bsd3, data, deprecated, library, web)
data-checked library: Type-indexed runtime-checked properties (bsd3, data, library)
data-clist library: Simple functional ring type. (bsd3, data-structures, library)
data-concurrent-queue library: A Library for directional queues (concurrency, library, mit)
data-construction library: Data construction abstractions including Constructor, Destructor, Maker, Destroyer, Producer and Consumer. (apache, library, text)
data-constructors library, test and benchmark: Generically compare data by their constructors (bsd3, data, library)
data-cycle library: a cyclic doubly linked list (bsd3, data, library)
data-default library: A class for types with a default value (bsd3, data, library)
data-default-class library: A class for types with a default value (bsd3, data, library)
data-default-extra library: A class for types with a default value. (bsd3, data, library)
data-default-generics library and test: A class for types with a default value (bsd3, data, library)
data-default-instances-base library: Default instances for types in base (bsd3, data, library)
data-default-instances-bytestring library: Default instances for (lazy and strict) ByteString, Builder and ShortByteString. (bsd3, data, library)
data-default-instances-case-insensitive library: Default instance for CI type from case-insensitive package. (bsd3, data, library)
data-default-instances-containers library: Default instances for types in containers (bsd3, data, library)
data-default-instances-dlist library: Default instances for types in dlist (bsd3, data, library)
data-default-instances-new-base library: Default instances for types in newer versions of base package. (bsd3, data, library)
data-default-instances-old-locale library: Default instances for types in old-locale (bsd3, data, library)
data-default-instances-text library: Default instances for (lazy and strict) Text and Text Builder. (bsd3, data, library)
data-default-instances-unordered-containers library: Default instances for unordered-containers. (bsd3, data, library)
data-default-instances-vector library: Default instances for types defined in vector package (bsd3, data, library)
data-dispersal library and test: Space-efficient and privacy-preserving data dispersal algorithms. (cryptography, data, lgpl, library)
data-diverse library, test and benchmark: Extensible records and polymorphic variants. (bsd3, data, library, records)
data-diverse-lens library and test: Isos & Lens for Data.Diverse.Many and Prisms for Data.Diverse.Which (bsd3, data, library, records)
data-dword library and test: Stick two binary words together to get a bigger one (bsd3, data, library)
data-easy library and test: Consistent set of utility functions for Maybe, Either, List and Monoids. (bsd3, data, library)
data-elf library: Executable and Linkable Format (ELF) data structures. (bsd3, data, library)
data-embed library and program: Embed files and other binary blobs inside executables without Template Haskell. (data, library, mit, program)
data-emoticons library: Combinator emoticons: data-aviary in the flavor of emoticons (bsd3, combinators, library)
data-endian library: Endian-sensitive data (bsd3, data, library)
data-extend-generic library and test: Extend Haskell data or newtype like in OOP languages (bsd3, data, library)
data-extra library: None (bsd3, deprecated, library, unclassified)
data-filepath library: A type safe file path data structure (bsd3, data, library)
data-files-gen library, program and test: Generate data-files Cabal file field from existing files (bsd3, library, program, tools)
data-fin library: Finite totally ordered sets (bsd3, data, library)
data-fin-simple library and test: Simple integral finite set (bsd3, data, library)
data-fix library: Fixpoint data types (bsd3, data, library)
data-fix-cse library: Common subexpression elimination for the fixploint types. (bsd3, data, library)
data-flags library: A package for working with bit masks and flags in general. (bsd3, data, library)
data-flagset library: An efficient data type for sets of flags (data, library, mit)
data-foldapp library: Fold function applications. Framework for variadic functions. (bsd3, data, library)
data-forest library and test: A simple multi-way tree data structure. (apache, data-structures, library)
data-fresh library: Interface and functor transformers for fresh values (bsd3, control, library)
data-function-meld library: Map the arguments and return value of functions. (bsd3, data, library)
data-function-tacit library: Write functions in tacit (pointless) style using Applicative and De Bruijn index notation. (bsd3, data, library)
data-has library and benchmark: Simple extensible product (bsd3, data, library)
data-hash library and test: Combinators for building fast hashing functions. (bsd3, data, library)
data-interval library and test: Interval datatype, interval arithmetic and interval-based containers (bsd3, data, library, math)
data-inttrie library: A simple lazy, infinite trie from integers (bsd3, data, library)
data-ivar library: Write-once variables with concurrency support (bsd3, concurrency, data, library)
data-json-token library, program and test: Json Token datatype (bsd3, data, json, library, program)
data-kiln library: Sculpt mutable recursive data with reference equality; bake it using a data kiln into an immutable lazy structure (bsd3, data, library)
data-layer library: Data layering utilities. Layer is a data-type which wrapps other one, but keeping additional information. If you want to access content of simple newtype object, use Lens.Wrapper instead. (apache, library, text)
data-layout library: Read/write arbitrary binary layouts to a "Data.Vector.Storable". (bsd3, data, library)
data-lens library: Used to be Haskell 98 Lenses (bsd3, comonads, control, library)
data-lens-fd library: Lenses (bsd3, comonads, control, library)
data-lens-ixset library and test: A Lens for IxSet (bsd3, comonads, control, data-structures, deprecated, library)
data-lens-light library: Simple lenses, minimum dependencies (data, lenses, library, mit)
data-lens-template library: Utilities for Data.Lens (bsd3, data, library)
data-list-sequences library: Utilities for working with sequences within lists. (data, gpl, library)
data-list-zigzag library: A list but with a balanced enumeration of Cartesian product. (bsd3, data, library)
data-map-multikey library: Data.Map with multiple, unique keys (data, library, mit)
data-memocombinators library: Combinators for building memo tables. (bsd3, data, library)
data-msgpack library, program, test and benchmark: A Haskell implementation of MessagePack (bsd3, data, library, program)
data-msgpack-types library: A Haskell implementation of MessagePack. (bsd3, data, library)
data-named library: Data types for named entities (bsd3, library, natural-language-processing)
data-nat library: data Nat = Zero | Succ Nat (bsd3, data, library, math)
data-object library: Represent hierachichal structures, called objects in JSON. (deprecated) (bsd3, data, deprecated, library)
data-object-json library: Serialize JSON data to/from Haskell using the data-object library. (deprecated) (bsd3, deprecated, library, text)
data-object-yaml library: Serialize data to and from Yaml files (deprecated) (bsd3, deprecated, library, web)
data-or library: A data type for non-exclusive disjunction. (bsd3, data, library)
data-ordlist library: Set and bag operations on ordered lists (bsd3, data, library, list)
data-partition library: A pure disjoint set (union find) data structure (bsd3, data, library)
data-pprint library: Prettyprint and compare Data values (bsd3, library, testing, text)
data-quotientref library: Reference cells that need two independent indices to be accessed. (bsd3, data, library)
data-r-tree library and test: R-Tree is a spatial data structure similar to Quadtrees or B-Trees. (data-structures, library, mit)
data-ref library: Unify STRef and IORef in plain Haskell 98 (bsd3, data, library)
data-reify library: Reify a recursive data structure into an explicit graph. (bsd3, data, language, library, parsing, reflection)
data-reify-cse library: Common Sub-Expression Elimination for graphs generated by Data.Reify. (bsd3, data, language, library)
data-repr library: Alternative to Show data printing utility. (apache, library, text)
data-result library: Data types for returning results distinguishable by types. (apache, library, text)
data-rev library: A typeclass for reversing order of contents. (bsd3, data, library)
data-rope library: Ropes, an alternative to (Byte)Strings. (data, library)
data-rtuple library: Recursive tuple data structure. It is very usefull when implementing some lo-level operations, allowing to traverse different elements using Haskell's type classes. (apache, library, text)
data-serializer library and test: Common API for serialization libraries (bsd3, data, library)
data-size library: Profiling of data structures (library, mit, testing)
data-spacepart library: Deprecated. Now called "spacepart". Space partitioning data structures. (bsd3, data, deprecated, library)
data-stm32 library, programs and test: ARM SVD and CubeMX XML parser and pretty printer for STM32 family (bsd3, library, parsing, program)
data-store library, test and benchmark: Type safe, in-memory dictionary with multidimensional keys. (bsd3, data, library)
data-stringmap library: An efficient implementation of maps from strings to arbitrary values (data-structures, library, mit)
data-structure-inferrer program: Program that infers the fastest data structure available for your program (development, mit, program)
data-sword library and test: Shorter binary words (bsd3, data, library)
data-tensor library: Tensor and Group typeclasses (data, library, mit)
data-textual library and test: Human-friendly textual representations. (bsd3, data, library, text)
data-timeout library: 64-bit timeouts of nanosecond precision (bsd3, concurrency, data, library)
data-transform library: Functions to transform data structures. (bsd3, data, library)
data-tree-print library: Print Data instances as a nested tree (bsd3, library, pretty-printer)
data-treify library: Reify a recursive data structure into an explicit graph. (bsd3, data, language, library, parsing, reflection)
data-type library: Basic type wrangling types and classes (bsd3, data, library, type-system)
data-util library: utilities for handle data (bsd3, data, development, library, utils)
data-variant library: A variant data type, useful for modeling dynamically-typed programming languages (bsd3, data, library)
database-migrate library: Database versioning and migration (experimental) (bsd3, database, library)
database-study library: Demonstrate how a database can be implemented the functional way (bsd3, database, library, monads)
datadog library and test: Datadog client for Haskell. Supports both the HTTP API and StatsD. (library, mit, network)
dataenc library: Data encoding library (bsd3, codec, deprecated, library)
dataflow library, program and test: Generate Graphviz documents from a Haskell representation. (bsd3, code-generation, compiler, graphs, library, program)
datalog library, program and tests: An implementation of datalog in Haskell (bsd3, database, library, program)
datapacker program: Tool to help pack files into the minimum number of CDs/DVDs/etc (program, system)
datarobot library and test: Client for DataRobot API (bsd3, library, web)
datasets library: Classical data sets for statistics and machine learning (data, data-mining, library, machine-learning, mit, statistics)
dataurl library and test: Handle data-urls (library, mit, web)
date-cache library: Date cacher (bsd3, library, system)
date-conversions library and test: Date conversions (data, date, library, mit)
dates library: Small library for parsing different dates formats. (bsd3, data, library)
datetime library and test: Utilities to make Data.Time.* easier to use (data, library)
datetime-sb library and test: Utilities to make Data.Time.* easier to use. (data, library)
dawdle library and program: Generates DDL suggestions based on a CSV file (database, library, mit, program)
dawg library: Directed acyclic word graphs (bsd3, data, data-structures, library)
dawg-ord library and test: Directed acyclic word graphs (bsd3, data, data-structures, library)
dbcleaner library and test: Clean database tables automatically around hspec tests (database, library, mit)
dbf library: Read and write XBase ".dbf" files (database, library, public-domain)
dbjava library and program: Decompiler Bytecode Java (bsd3, jvm, library, program)
dbm program: A *simple* database migration tool. (bsd3, database, program)
dbmigrations library, program and test: An implementation of relational database "migrations" (bsd3, database, library, program)
dbmigrations-mysql library, program and test: The dbmigrations tool built for MySQL databases (bsd3, database, library, program)
dbmigrations-postgresql program and test: The dbmigrations tool built for PostgreSQL databases (bsd3, database, program)
dbmigrations-sqlite program and test: The dbmigrations tool built for SQLite databases (bsd3, database, program)
dbus library, test and benchmark: A client library for the D-Bus IPC system. (apache, desktop, library, network)
dbus-client library: Monadic and object-oriented interfaces to DBus (deprecated, desktop, gpl, library, network)
dbus-core library: Low-level D-Bus protocol implementation (deprecated, desktop, gpl, library, network)
dbus-qq library and test: Quasi-quoter for DBus functions (bsd3, library, network)
dbus-th library: TemplateHaskell generator of DBus bindings (bsd3, library, network)
dbus-th-introspection library and program: Generate bindings for DBus calls by using DBus introspection and dbus-th (bsd3, development, library, program)
dclabel library, test and benchmark: This packge is deprecated. See the the "LIO.DCLabel" in the "lio" package. (bsd3, deprecated, library, security)
dclabel-eci11 library: The Disjunction Category Label Format. (bsd3, deprecated, library, security)
dcpu16 library, program and test: DCPU-16 Emulator & Assembler (bsd3, compilers-interpreters, library, program)
ddate library: Discordian Date Types for Haskell (data, gpl, library)
ddc-base library: Disciplined Disciple Compiler common utilities. (compilers-interpreters, deprecated, library, mit)
ddc-build library: Disciplined Disciple Compiler build framework. (compilers-interpreters, deprecated, library, mit)
ddc-code library: Disciplined Disciple Compiler base libraries. (compilers-interpreters, deprecated, library, mit)
ddc-core library: Disciplined Disciple Compiler core language and type checker. (compilers-interpreters, deprecated, library, mit)
ddc-core-babel library: Disciplined Disciple Compiler PHP code generator. (compilers-interpreters, deprecated, library, mit)
ddc-core-eval library: Disciplined Disciple Compiler semantic evaluator for the core language. (compilers-interpreters, deprecated, library, mit)
ddc-core-flow library: Disciplined Disciple Compiler data flow compiler. (compilers-interpreters, deprecated, library, mit)
ddc-core-llvm library: Disciplined Disciple Compiler LLVM code generator. (compilers-interpreters, deprecated, library, mit)
ddc-core-salt library: Disciplined Disciple Compiler C code generator. (compilers-interpreters, deprecated, library, mit)
ddc-core-simpl library: Disciplined Disciple Compiler code transformations. (compilers-interpreters, deprecated, library, mit)
ddc-core-tetra library: Disciplined Disciple Compiler intermediate language. (compilers-interpreters, deprecated, library, mit)
ddc-driver library: Disciplined Disciple Compiler top-level driver. (compilers-interpreters, deprecated, library, mit)
ddc-interface library: Disciplined Disciple Compiler user interface support. (compilers-interpreters, deprecated, library, mit)
ddc-source-tetra library: Disciplined Disciple Compiler source language. (compilers-interpreters, deprecated, library, mit)
ddc-tools programs: Disciplined Disciple Compiler command line tools. (compilers-interpreters, deprecated, mit, program)
ddc-war program: Disciplined Disciple Compiler test driver and buildbot. (compilers-interpreters, deprecated, mit, program)
ddci-core program: Disciple Core language interactive interpreter. (compilers-interpreters, deprecated, mit, program)
dde library, program, test and benchmark: Delay differential equations (bsd3, library, math, program)
dead-code-detection program and test: detect dead code in haskell projects (bsd3, development, program)
dead-simple-json library: Dead simple JSON parser, with some Template Haskell sugar. (json, library, mit)
debian library, programs and test: Modules for working with the Debian package system (bsd3, debian, library, program)
debian-binary library and programs: Utilities to work with debian binary packages (deprecated, library, program, system)
debian-build library and program: Debian package build sequence tools (bsd3, debian, library, program)
debug library, program and test: Simple trace-based debugger (bsd3, debugging, development, library, program)
debug-diff library: Display a colorized diff between two Haskell values (bsd3, debug, library)
debug-me program: secure remote debugging (agpl, program, utility)
debug-pp program: A preprocessor for the debug package (bsd3, debugging, program)
debug-time library and test: Debug.Trace equivalent for timing computations (debug, library, mit)
debug-tracy library: More useful trace functions for investigating bugs (bsd3, development, library)
deburr library and test: Convert Unicode characters with burrs to their ASCII counterparts. (library, mit, text)
decepticons library: The categorical dual of transformers. (bsd3, control, library)
decimal-arithmetic library and tests: An implementation of the General Decimal Arithmetic Specification (bsd3, library, numeric)
decimal-literals library and test: Preprocessing decimal literals more or less as they are (instead of via fractions) (gpl, library, math)
declarative library and test: DIY Markov Chains. (library, math, mit)
decode-utf8 program: Decode a UTF-8 byte stream on standard input (mit, program, text)
decoder-conduit library: Conduit for decoding ByteStrings using Data.Binary.Get (bsd3, conduit, library)
dedukti library and program: A type-checker for the λΠ-modulo calculus. (compilers-interpreters, library, program, theorem-provers)
deepcontrol library and tests: A library that provides deep-level programming style and(or) notation on Applicative and Monad (bsd3, control, library)
deeplearning-hs library, program and test: Deep Learning in Haskell (library, math, mit, program)
deepseq library and test: Deep evaluation of data structures (bsd3, control, library)
deepseq-bounded library and test: Bounded deepseq, including support for generic deriving (bsd3, control, library)
deepseq-generics library and test: GHC.Generics-based Control.DeepSeq.rnf implementation (bsd3, control, library)
deepseq-magic library: Deep evaluation of data structures without NFData (control, library, public-domain)
deepseq-th library and test: Template Haskell based deriver for optimised NFData instances (bsd3, control, deprecated, library)
deepzoom library: A DeepZoom image slicer. Only known to work on 32bit Linux (bsd3, graphics, library)
defargs library: default arguments in haskell (bsd3, library, type-system)
definitive-base library: The base modules of the Definitive framework. (library, prelude)
definitive-filesystem library: A library that enable you to interact with the filesystem in a definitive way. (filesystem, library)
definitive-graphics library: A definitive package allowing you to open windows, read image files and render text to be displayed or saved (graphics, library)
definitive-parser library: A parser combinator library for the Definitive framework (library, parsers)
definitive-reactive library: A simple Reactive library. (library, reactive)
definitive-sound library: A definitive package to handle sound and play it back (library, unclassified)
deiko-config library: Small and typesafe configuration library. (bsd3, data, library)
dejafu library: A library for unit-testing concurrent programs. (concurrency, library, mit)
deka library: Decimal floating point arithmetic (bsd3, library, math)
deka-tests library, program and test: Tests for deka, decimal floating point arithmetic (bsd3, library, math, program)
delaunay library and test: Build a Delaunay triangulation of a set of points (bsd3, graphics, library)
delay library and test: More useful and humain delaying functions (bsd3, concurrency, library, system)
delicious library: Accessing the del.icio.us APIs from Haskell (v2) (bsd3, library, web)
delimited-text library: Parse character delimited textual data (bsd3, data, library)
delimiter-separated library: Library for dealing with tab and/or comma (or other) separated files (bsd3, development, library)
delta library, programs and test: A library for detecting file changes (data, lgpl, library, program)
delta-h library and program: Online entropy-based model of lexical category acquisition. (bsd3, library, natural-language-processing, program)
delude library: Generalized the Prelude more functionally. (distribution, library, mit)
demarcate library and test: Demarcating transformed monad. (bsd3, control, deprecated, library)
denominate library and program: Functions supporting bulk file and directory name normalization. (bsd3, library, program, system)
dense library and test: Mutable and immutable dense multidimensional arrays (bsd3, data, library)
dependency library, test and benchmark: Dependency resolution for package management (bsd3, build, development, library)
dependent-map library: Dependent finite maps (partial dependent products) (data, dependent-types, library)
dependent-state library: Control structure similar to Control.Monad.State, allowing multiple nested states, distinguishable by provided phantom types. (apache, data, library)
dependent-sum library: Dependent sum type (data, dependent-types, library, public-domain)
dependent-sum-template library and test: Template Haskell code to generate instances of classes in dependent-sum package (library, public-domain, unclassified)
depends program and test: A simple configuration management tool for Haskell (deprecated, distribution, mit, program)
dephd programs: Analyze quality of nucleotide sequences. (bioinformatics, program)
deque library: Double-ended queue (library, mit, unclassified)
dequeue library and test: A typeclass and an implementation for double-ended queues. (bsd3, data-structures, library)
derangement library: Find derangements of lists (library, unclassified)
derivation-trees library: Typeset Derivation Trees via MetaPost (graphics, library, math)
derive library and program: A program and library to derive instances for data types (bsd3, development, library, program)
derive-IG library: Macro to derive instances for Instant-Generics using Template Haskell (bsd3, data, generics, library)
derive-enumerable library: Generic instances for enumerating complex data types (data, generics, gpl, library)
derive-gadt library and programs: Instance deriving for (a subset of) GADTs. (bsd3, development, language, library, program)
derive-monoid library, program and test: derive Semigroup/Monoid/IsList (derive-monoid, library, mit, program)
derive-storable library and tests: Derive Storable instances with GHC.Generics. (foreign, library, mit)
derive-storable-plugin library, tests and benchmark: GHC core plugin supporting the derive-storable package. (foreign, library, mit)
derive-topdown library and test: Help Haskellers derive class instances for composited data types. (bsd3, development, library)
derive-trie library: Automatic derivation of Trie implementations. (bsd3, data, library)
deriving-compat library and test: Backports of GHC deriving extensions (bsd3, compatibility, library)
derp library: Derivative Parsing (bsd3, library, parsing)
derp-lib library: combinators based on parsing with derivatives (derp) package (bsd3, library, text)
derulo library, program and test: Parse and render JSON simply. (json, library, mit, program)
descrilo library: Loads a list of items with fields (configuration, data, gpl, library, parser)
descriptive library and test: Self-describing consumers/parsers; forms, cmd-line args, JSON, etc. (bsd3, library, parsing)
desert library, program and test: a simple build tool for OCaml projects (bsd3, language, library, program)
despair library: Despair (bsd3, control, library)
deterministic-game-engine library and test: Simple deterministic game engine (game-engine, library, mit)
detrospector program: Markov chain text generator (bsd3, natural-language-processing, program, text)
deunicode program: Get rid of unicode (utf-8) symbols in Haskell sources (codec, mit, program)
devil program: A small tool to make it easier to update program managed by Angel. (mit, program, system)
dewdrop library: Find gadgets for return-oriented programming on x86 (bsd3, library, reverse-engineering, security)
dfrac library: A package for precise decimal arithmatic using rationals. (library, math, mit)
dfsbuild program: Build Debian From Scratch CD/DVD images (program, system)
dgim library and test: Implementation of DGIM algorithm (algorithms, data, library, mit)
dgs library: Haskell front-end for DGS' bot interface (bsd3, game, library, network, web)
dhall library, programs and test: A configuration language guaranteed to terminate (bsd3, compiler, library, program)
dhall-bash library and program: Compile Dhall to Bash (bsd3, compiler, library, program)
dhall-check program: Check all dhall files in a project (bsd3, development, program)
dhall-json library and programs: Compile Dhall to JSON or YAML (bsd3, compiler, library, program)
dhall-lex library, test and benchmark: Lexer for the Dhall language (bsd3, dhall, language, lexers, library)
dhall-nix library and program: Dhall to Nix compiler (bsd3, compiler, library, program)
dhall-text program: Template text using Dhall (bsd3, compiler, program)
dhall-to-cabal library, programs and test: Compile Dhall expressions to Cabal files (distribution, library, mit, program)
dhcp-lease-parser library and test: Parse a DHCP lease file (bsd3, library, software)
di library and test: Easy, powerful, structured and typeful logging without monad towers. (bsd3, library, logging)
dia-base library: An EDSL for teaching Haskell with diagrams - data types (bsd3, education, graphics, library)
dia-functions library: An EDSL for teaching Haskell with diagrams - functions (bsd3, education, graphics, library)
diagrams library: Embedded domain-specific language for declarative vector graphics (bsd3, graphics, library)
diagrams-boolean library: deprecated, part of diagrams-contrib since 1.4 (bsd3, graphics, library)
diagrams-braille library and program: Braille diagrams with plain text (bsd3, graphics, library, program)
diagrams-builder library: hint-based build service for the diagrams graphics EDSL. (bsd3, graphics, library)
diagrams-cairo library: Cairo backend for diagrams drawing EDSL (bsd3, graphics, library)
diagrams-canvas library: HTML5 canvas backend for diagrams drawing EDSL (bsd3, graphics, library)
diagrams-contrib library and test: Collection of user contributions to diagrams EDSL (bsd3, graphics, library)
diagrams-core library: Core libraries for diagrams EDSL (bsd3, graphics, library)
diagrams-graphviz library: Graph layout and drawing with GrahpViz and diagrams (bsd3, graphics, library)
diagrams-gtk library: Backend for rendering diagrams directly to GTK windows (bsd3, graphics, library)
diagrams-haddock library, program and test: Preprocessor for embedding diagrams in Haddock documentation (bsd3, graphics, library, program)
diagrams-hsqml library: HsQML (Qt5) backend for Diagrams (bsd3, graphics, library)
diagrams-html5 library: HTML5 canvas backend for diagrams drawing EDSL (bsd3, graphics, library)
diagrams-lib library, test and benchmark: Embedded domain-specific language for declarative graphics (bsd3, graphics, library)
diagrams-pandoc library and program: A Pandoc filter to express diagrams inline using the Haskell EDSL _Diagrams_ (bsd3, library, program, text)
diagrams-pdf library: PDF backend for diagrams drawing EDSL (bsd3, graphics, library)
diagrams-pgf library: PGF backend for diagrams drawing EDSL. (bsd3, graphics, library)
diagrams-postscript library: Postscript backend for diagrams drawing EDSL (bsd3, graphics, library)
diagrams-qrcode library: Draw QR codes to SVG, PNG, PDF or PS files. (bsd3, graphics, library)
diagrams-rasterific library: Rasterific backend for diagrams. (bsd3, graphics, library)
diagrams-reflex library: reflex backend for diagrams drawing EDSL. (bsd3, graphics, library)
diagrams-rubiks-cube library: Library for drawing the Rubik's Cube. (graphics, library, mit)
diagrams-solve library and test: Pure Haskell solver routines used by diagrams (bsd3, library, math)
diagrams-svg library: SVG backend for diagrams drawing EDSL. (bsd3, graphics, library)
diagrams-tikz library: TikZ backend for diagrams drawing EDSL (bsd3, graphics, library)
diagrams-wx library: Backend for rendering diagrams in wxWidgets (bsd3, graphics, library)
dialog library: Simple dialog-based user interfaces (bsd3, interaction, library)
dib library and program: A simple, forward build system. (development, library, mit, program)
dice library and program: Simplistic D&D style dice-rolling system. (game, library, program, public-domain)
dice-entropy-conduit library and test: Cryptographically secure n-sided dice via rejection sampling. (cryptography, data, lgpl, library)
dice2tex program: Convert a Diceware wordlist into a printer-ready LaTeX file. (gpl, program, text)
dicom library: A library for reading and writing DICOM files in the Explicit VR Little Endian transfer syntax. (data, gpl, library, medical)
dictionaries library, program and test: Tools to handle StarDict dictionaries. (bsd3, library, program, text)
dictionary-sharing library: Sharing/memoization of class members (bsd3, development, library)
dictparser library, program and test: Parsec parsers for the DICT format produced by dictfmt -t (bsd3, language, library, program)
diet library: Discrete Interval Encoding Tree (bsd3, development, library)
diff-gestalt library and test: A diff algorithm based on recursive longest common substrings (library, none)
diff-parse library and test: A parser for diff file formats (agpl, library, parsing)
diff3 library and test: Perform a 3-way difference of documents (bsd3, data, library)
diffarray library: DiffArray (bsd3, data-structures, library)
diffcabal program: Diff two .cabal files syntactically (bsd3, distribution, program)
diffdump programs: Tools for diffing stdout (bsd3, program, system)
difftodo library, programs and test: Generate todo lists from source code (development, library, program)
digamma library: A (deprecated) implementation of the digamma function (bsd3, deprecated, library, math)
digest library: Various cryptographic hashes for bytestrings; CRC32 and Adler32 for now. (bsd3, cryptography, library)
digest-pure library and test: Pure hash functions for bytestrings (cryptography, library)
digestive-bootstrap library: Speed up form designing using digestive functors and bootstrap (library, mit, web)
digestive-foundation-lucid library: Speed up form designing using digestive functors and foundation (library, mit, web)
digestive-functors library and test: A practical formlet library (bsd3, library, web)
digestive-functors-aeson library and test: Run digestive-functors forms against JSON (gpl, json, library, web)
digestive-functors-blaze library: Blaze frontend for the digestive-functors library (bsd3, library, web)
digestive-functors-happstack library: Happstack backend for the digestive-functors library (bsd3, library, web)
digestive-functors-heist library: Heist frontend for the digestive-functors library (bsd3, library, web)
digestive-functors-hsp library: HSP support for digestive-functors (bsd3, library, web)
digestive-functors-lucid library: Lucid frontend for the digestive-functors library (bsd3, library, web)
digestive-functors-scotty library: Scotty backend for the digestive-functors library (bsd3, library, web)
digestive-functors-snap library: Snap backend for the digestive-functors library (bsd3, library, web)
digit library and test: A data-type representing digits 0-9 and other combinations (bsd3, data, library)
digitalocean-kzs library and tests: digitalocean api for haskell (library, mit, web)
digits library and test: Converts integers to lists of digits and back. (bsd3, data, library)
dihaa program: ASCII based Diagram drawing in Haskell (Idea based on ditaa) (gpl, graphics, program)
dimensional library, tests and benchmark: Statically checked physical dimensions, using Type Families and Data Kinds. (bsd3, library, math, physics)
dimensional-codata library: CODATA Recommended Physical Constants with Dimensional Types (bsd3, library, physics)
dimensional-tf library: Statically checked physical dimensions, implemented using type families. (bsd3, deprecated, library, math, physics)
dimensions library and test: Safe type-level dimensionality for multidimensional data. (bsd3, geometry, library, math)
dingo-core library: Dingo is a Rich Internet Application platform based on the Warp web server. (library, mit, web)
dingo-example program: Dingo Example (mit, program, web)
dingo-widgets library: Dingo Widgets (library, mit, web)
diophantine library: A quadratic diophantine equation solving library. (gpl, library, math)
diplomacy library: Diplomacy board game (bsd3, games, library)
diplomacy-server program: Play Diplomacy over HTTP (bsd3, program, unclassified)
direct-binary-files library: Serialization and deserialization monads for streams and ByteStrings. (bsd3, data, library)
direct-daemonize library: Library to switch to daemon mode using built-in OS facilities. (bsd3, library, system)
direct-fastcgi library: Native implementation of the FastCGI protocol. (bsd3, library, network)
direct-http library: Native webserver that acts as a library. (bsd3, library, network)
direct-murmur-hash library: An implementation of the MurmurHash3 algorithm (bsd3, data, library)
direct-plugins library: Lightweight replacement for Plugins, specific to GHC (bsd3, library, system)
direct-rocksdb library and test: Bindings to RocksDB. (bsd3, database, library)
direct-sqlite library and test: Low-level binding to SQLite3. Includes UTF8 and BLOB support. (bsd3, database, library)
directed-cubical library: Finite directed cubical complexes and associated algorithms (bsd3, library, math)
directory library and test: Platform-agnostic library for filesystem operations (bsd3, library, system)
directory-layout library and tests: Directory layout DSL (bsd3, library, system, testing)
directory-listing-webpage-parser library: directory listing webpage parser (bsd3, library, text)
directory-tree library and test: A simple directory-like tree datatype, with useful IO functions (bsd3, data, library, system)
dirfiles library: (bsd3, data, library)
dirstream library: Easily stream directory contents in constant memory (bsd3, library, pipes, system)
disassembler library: Disassembler for X86 & AMD64 machine code (bsd3, development, disassembler, library)
discogs-haskell library and test: Client for Discogs REST API (library, mit, web)
discord-gateway library: An API wrapper for Discord in Haskell (library, mit, network)
discord-hs library: An API wrapper for Discord in Haskell (library, mit, network)
discord-rest library: An API wrapper for Discord in Haskell (library, mit, network)
discord-types library: Type information for discord-hs (library, mit, network)
discordian-calendar library: library for handling Discordian calendar dates (bsd3, date, library)
discount library: Haskell bindings to the discount Markdown library. (library, mit, text)
discrete-intervals library: Discrete Intervals (bsd3, data, library)
discrete-space-map library: A discrete space map. (bsd3, data, library)
discrimination library and benchmark: Fast generic linear-time sorting, joins and container construction. (bsd3, data, library, sorting)
disjoint-containers library and tests: Disjoint containers (bsd3, library, web)
disjoint-set library and test: Persistent disjoint-sets, a.k.a union-find. (bsd3, data, library)
disjoint-set-stateful library and test: Monadic disjoint set (data, library, mit)
disjoint-sets-st library: Imperative ST/IO based disjoint set data structure. (bsd3, data-structures, library)
disk-free-space library: Retrieve information about disk space usage (bsd3, filesystem, library, system)
diskhash library and test: Disk-based hash table (data, library, mit)
display library: Display things for humans to read (bsd3, library, text)
display-haskell-do library: A display API for HaskellDO (deprecated, ide, library)
disposable library: Allows storing different resource-releasing actions together. (bsd3, control, library)
dist-upload library and program: Generate/Upload cabal package to Hackage. (distribution, gpl, library, program)
distance library: Useful distance datatype and functions (library, mit, web)
distance-of-time library and test: Generate readable distances between times. (library, mit, time)
distributed-closure library and test: Serializable closures for distributed programming. (bsd3, control, library)
distributed-process library and benchmarks: Cloud Haskell: Erlang-style concurrency in Haskell (bsd3, control, library)
distributed-process-async library and test: Cloud Haskell Async API (bsd3, control, library)
distributed-process-azure library: Microsoft Azure backend for Cloud Haskell (bsd3, control, library)
distributed-process-client-server library and tests: The Cloud Haskell Application Platform (bsd3, control, library)
distributed-process-ekg library: Collect node stats for EKG (bsd3, library, network, system)
distributed-process-execution library and tests: Execution Framework for The Cloud Haskell Application Platform (bsd3, control, library)
distributed-process-extras library and tests: Cloud Haskell Extras (bsd3, control, library)
distributed-process-fsm library and test: The Cloud Haskell implementation of Erlang/OTP gen_statem (bsd3, control, library)
distributed-process-lifted library and test: monad-control style typeclass and transformer instances for Process monad. (bsd3, cloud-haskell, control, library)
distributed-process-monad-control library: Orphan instances for MonadBase and MonadBaseControl. (bsd3, control, library)
distributed-process-p2p library and program: Peer-to-peer node discovery for Cloud Haskell (bsd3, library, network, program)
distributed-process-platform library and tests: The Cloud Haskell Application Platform (bsd3, control, deprecated, library)
distributed-process-registry library and test: Cloud Haskell Extended Process Registry (bsd3, control, library)
distributed-process-simplelocalnet library: Simple zero-configuration backend for Cloud Haskell (bsd3, control, library)
distributed-process-supervisor library and test: Supervisors for The Cloud Haskell Application Platform (bsd3, control, library)
distributed-process-systest library: Cloud Haskell Test Support (bsd3, cloud-haskell, control, library)
distributed-process-task library and test: Task Framework for The Cloud Haskell Application Platform (bsd3, cloud-haskell, control, library)
distributed-process-tests library and tests: Tests and test support tools for distributed-process. (bsd3, cloud-haskell, control, library)
distributed-process-zookeeper library and test: A Zookeeper back-end for Cloud Haskell. (bsd3, cloud-haskell, control, library)
distributed-static library: Compositional, type-safe, polymorphic static values and closures (bsd3, control, library)
distribution library: Finite discrete probability distributions. (apache, library, math)
distribution-nixpkgs library and test: Types and functions to manipulate the Nixpkgs distribution (bsd3, distribution, library, nix)
distribution-plot library: Easily plot distributions from the distribution package.. (apache, library, math)
distributive library and tests: Distributive functors -- Dual to Traversable (bsd3, data-structures, library)
diversity library and program: Quantify the diversity of a population (bioinformatics, gpl, library, program)
dixi library, program and test: A wiki implemented with a firm theoretical foundation. (bsd3, library, program, web)
djembe library and test: Hit drums with haskell (library, mit, sound)
djinn program: Generate Haskell code from a type (bsd3, program, source-tools)
djinn-ghc library: Generate Haskell code from a type. Bridge from Djinn to GHC API. (bsd3, language, library)
djinn-lib library: Generate Haskell code from a type. Library extracted from djinn package. (bsd3, language, library)
djinn-th library: Generate executable Haskell code from a type (bsd3, language, library)
dlist library and test: Difference lists (bsd3, data, library)
dlist-instances library: Difference lists instances (bsd3, data, library)
dlist-nonempty library, test and benchmark: Non-empty difference lists (bsd3, data, library)
dmc library and test: cmd: run shell commands from code (command-line, library, public-domain, system)
dmenu library: Complete bindings to the dmenu and dmenu2 command line tools. (bsd3, library, system)
dmenu-pkill program: dmenu script for killing applications. Sortable by process id or CPU/MEM usage. (bsd3, program, system)
dmenu-pmount program: Mounting and unmounting linux devices as user with dmenu and pmount. (bsd3, program, system)
dmenu-search program: dmenu script for searching the web with customizable search engines. (bsd3, program, system)
dns library and tests: DNS library in Haskell (bsd3, library, network)
dnscache library and program: Caching DNS resolver library and mass DNS resolver utility (bsd3, library, network, program)
dnsrbl library: Asynchronous DNS RBL lookup (bsd3, library, network)
dnssd library: DNS service discovery bindings (bsd3, library, network)
do-list library, test and benchmark: Do notation for free (bsd3, data, library, list, syntax)
doc-review program: Document review Web application, like http://book.realworldhaskell.org/ (bsd3, program, web)
doccheck program: Checks Haddock comments for pitfalls and version changes. (documentation, gpl, program)
docidx program: Generate an HTML index of installed Haskell packages and their documentation. (bsd3, documentation, program)
docker library and test: An API client for docker written in Haskell (bsd3, library, network)
docker-build-cacher program: Builds a services with docker and caches all of its intermediate stages (bsd3, operations, program)
dockercook library, program and test: A build tool for multiple docker image layers (development, library, mit, program)
dockerfile library and test: A simple DSL for describing and generating Dockerfile containers in Haskell. (data, library, mit)
docopt library and test: A command-line interface parser that will make you smile (console, library, mit)
docstrings library: Docstrings for documentation in the repl (documentation, library, mit)
doctemplates library and test: Pandoc-style document templates (bsd3, library, text)
doctest library, program and tests: Test interactive Haskell examples (library, mit, program, testing)
doctest-discover library, program and test: Easy way to run doctests via cabal (library, program, public-domain, testing)
doctest-discover-configurator library, program and test: Easy way to run doctests via cabal (no aeson dependency, uses configurator instead) (deprecated, library, program, public-domain, testing)
doctest-driver-gen library, program and test: Generate driver file for doctest's cabal integration (bsd3, library, program, testing)
doctest-prop library and test: Allow QuickCheck-style property testing within doctest. (deprecated, library, mit, testing)
docvim library, program and tests: Documentation generator for Vim plug-ins (development, library, mit, program)
doi library and program: Automatic Bibtex and fulltext of scientific articles (database, library, mit, program)
dollaridoos library: A newtype for monetary values (bsd3, finance, library)
dom-lt library: The Lengauer-Tarjan graph dominators algorithm. (algorithms, bsd3, graphs, library)
dom-parser library and test: Simple monadic DOM parser (library, mit, xml)
dom-selector library and test: DOM traversal by CSS selectors for xml-conduit package (bsd3, library, web)
domain-auth library and test: Domain authentication library (bsd3, library, network)
dominion library, program and test: A simulator for the board game Dominion. (bsd3, game, library, program, simulation)
domplate library: A simple templating library using HTML5 as its template language. (bsd3, library, text, web)
dot library: Data types and encoding for graphviz dot files (bsd3, library, web)
dot-linker library, program and test: Initial project template from stack (bsd3, library, program, util)
dot2graphml program: Converter from GraphViz .dot format to yEd GraphML (bsd3, graphics, program)
dotenv library, program and test: Loads environment variables from dotenv files (configuration, library, mit, program)
dotfs library, program and test: Filesystem to manage and parse dotfiles (bsd3, library, program, system)
dotgen library: A simple interface for building .dot graph files. (bsd3, library, text)
dotnet-timespan library: .NET TimeSpan (bsd3, data, library)
double-conversion library and test: Fast conversion between double precision floating point and text (bsd3, library, text)
double-extra library: Missing presentations for Double numbers (fixed, scientific etc.) (bsd3, library)
double-metaphone library: Haskell bindings to a C double-metaphone implementation. (data, library)
doublify-toolkit library: Doublify API toolkit for Haskell (api, library, mit)
dove library: The Dove verification language. (bsd3, formal-methods, language, library)
dow program: Dungeons of Wor (bsd3, frp, game, program, reactivity)
download library and test: High-level file download based on URLs (bsd3, library, network)
download-curl library: High-level file download based on URLs (bsd3, library, network)
download-media-content program: Simple tool to download images from RSS feeds (e.g. Flickr, Picasa) (application, bsd3, program)
dozenal library: A Haskell library for using Dozenal (Duodecimal - Base 12) numbers. (gpl, library, math)
dozens library: dozens api library (library, mit, web)
dph-base library: Data Parallel Haskell common config and debugging functions. (bsd3, data-structures, library)
dph-examples programs: Data Parallel Haskell example programs. (bsd3, data-structures, program)
dph-lifted-base library: Data Parallel Haskell common definitions used by other dph-lifted packages. (bsd3, data-structures, library)
dph-lifted-copy library: Data Parallel Haskell lifted array combinators. (deprecated version) (bsd3, data-structures, library)
dph-lifted-vseg library: Data Parallel Haskell lifted array combinators. (bsd3, data-structures, library)
dph-par library: (deprecated) (bsd3, data-structures, library)
dph-prim-interface library: Data Parallel Haskell segmented arrays. (abstract interface) (bsd3, data-structures, library)
dph-prim-par library: Data Parallel Haskell segmented arrays. (production version) (bsd3, data-structures, library)
dph-prim-seq library: Data Parallel Haskell segmented arrays. (sequential implementation) (bsd3, data-structures, library)
dph-seq library: (deprecated) (bsd3, data-structures, library)
dpkg library and test: libdpkg bindings (debian, gpl, library)
dpor library: A generic implementation of dynamic partial-order reduction (DPOR) for testing arbitrary models of concurrency. (deprecated, library, mit, testing)
drClickOn library: Monadic FRP (frp, library, public-domain)
draw-poker library, programs and test: playing draw poker (bsd3, game, library, program)
drawille library: A port of asciimoo's drawille to haskell (gpl, library, system)
dresdner-verkehrsbetriebe library and program: Library and program for querying DVB (Dresdner Verkehrsbetriebe AG) (library, mit, network, program)
drifter library and test: Simple schema management for arbitrary databases. (database, library, mit)
drifter-postgresql library and test: PostgreSQL support for the drifter schema migration tool (database, library, mit)
drinkery library and benchmark: Boozy streaming library (bsd3, control, library)
drmaa library: A minimal Haskell bindings to DRMAA C library. (bsd3, language, library)
dropbox-sdk library: A library to access the Dropbox HTTP API. (library, mit, network-apis)
dropsolve program: A command line tool for resolving dropbox conflicts. Deprecated! Please use confsolve. (bsd3, deprecated, program, utils)
ds-kanren library and tests: A subset of the miniKanren language (language, library, mit)
dsc library and test: Helper functions for setting up Double Submit Cookie defense for forms (library, mit, web)
dsh-sql library and program: SQL backend for Database Supported Haskell (DSH) (bsd3, database, library, program)
dsmc library: DSMC library for rarefied gas dynamics (bsd3, library, physics)
dsmc-tools programs: DSMC toolkit for rarefied gas dynamics (bsd3, physics, program)
dson library: Haskell DogeScript Object Notation Parser (data, gpl, library)
dson-parsec library: DSON parser. (data, library, mit)
dsp library and test: Haskell Digital Signal Processing (library, math, sound)
dstring library: Difference strings (bsd3, data, library)
dtab library and program: Harmonix (Guitar Hero, Rock Band) DTA/DTB metadata library (data, library, program)
dtd library: Parse and render DTD files (deprecated) (bsd3, deprecated, library, text)
dtd-text library: Parse and render XML DTDs (bsd3, data, library, parsing, text, xml)
dtd-types library: Basic types for representing XML DTDs (bsd3, library, text, xml)
dtrace library: Haskell interface to the DTrace system tracing utility (bsd3, library, system)
dtw library and test: (Fast) Dynamic Time Warping (algorithms, data-mining, library, machine-learning, mit)
dual library: Dual category (bsd3, library, math)
dual-game program: Network multiplayer 2D shooting game (game, mit, program)
dual-tree library and test: Rose trees with cached and accumulating monoidal annotations (bsd3, data, library)
dublincore-xml-conduit library and test: XML streaming parser/renderer for the Dublin Core standard elements. (data, library, public-domain)
duckling library, programs and test: A Haskell library for parsing text into structured data. (library, program, systems)
dumb-cas library and test: A computer “algebra” system that knows nothing about algebra, at the core. (gpl, library, math)
dump library and test: Dumps the names and values of expressions to ease debugging. (development, library, mit, quasiquotes)
dump-core library: A plug-in for rendering GHC core (development, library)
dunai library: Generalised reactive framework supporting classic, arrowized and monadic FRP. (bsd3, frp, library, reactivity)
duplo library, program and test: Frontend development build tool (deprecated, library, mit, program, web)
dustme library, program and test: Initial project template from stack (bsd3, library, program, web)
dvda library and test: Efficient automatic differentiation and code generation (bsd3, deprecated, library, math, numerical)
dvdread library: A monadic interface to libdvdread (gpl, library, system)
dvi-processing library: Read/write DVI and TFM file (graphics, library, public-domain, typography)
dvorak library and test: Dvorak encoding for Haskell. (bsd3, codec, library)
dwarf library: Parser for DWARF debug format. (bsd3, data, library)
dwarf-el library: Parser for DWARF debug format. (bsd3, data, library)
dwarfadt library and programs: High-level wrapper around the dwarf library (bsd3, development, library, program)
dwergaz library and test: A minimal testing library (bsd3, library, testing)
dx9base library: Backend for a binding to the Microsoft DirectX 9 API. (bsd3, graphics, library)
dx9d3d library: A binding to the Microsoft DirectX 9 API. (bsd3, graphics, library)
dx9d3dx library: A binding to the Microsoft DirectX 9 D3DX API. (bsd3, graphics, library)
dyckword library and test: A library for working with binary Dyck words. (bsd3, library, math)
dynamic-cabal library and tests: Access the functions from the Cabal library without depending on it (bsd3, distribution, library)
dynamic-graph library: Draw and update graphs in real time with OpenGL (bsd3, graphics, library)
dynamic-linker-template library: Automatically derive dynamic linking methods from a data type. (bsd3, library, system)
dynamic-loader library: lightweight loader of GHC-based modules or packages (bsd3, library, system)
dynamic-mvector library: A wrapper around MVector that enables pushing, popping and extending. (bsd3, data, library)
dynamic-object library and tests: Object-oriented programming with duck typing and singleton classes. (bsd3, data, library)
dynamic-plot library: Interactive diagram windows (gpl, graphics, library)
dynamic-pp library and test: A pretty-print library that employs a dynamic programming algorithm for optimal rendering. (bsd3, library, text)
dynamic-state library: Optionally serializable dynamic state keyed by type (data, gpl, library, yi)
dynamodb-simple library and test: Typesafe library for working with DynamoDB database (bsd3, database, library)
dynobud library and tests: your dynamic optimization buddy (lgpl, library, science)
dyre library: Dynamic reconfiguration in Haskell (bsd3, configuration, development, library)
dywapitchtrack library: Bindings to the dywapitchtrack pitch tracking library (library, mit, sound)
dzen-utils library: Utilities for creating inputs for dzen. (library, system)
each library and test: Template Haskell library for writing monadic expressions more easily (bsd3, language, library)
eager-sockets library: Socket operations with timeouts (deprecated, library, network)
eap library: Extensible Authentication Protocol (EAP) (bsd3, library, network)
earclipper library, program and test: Ear Clipping Triangulation (graphics, library, mit, program)
ease library: Robert Penner's easing equations (bsd3, game, library, math)
easy-api library: Utility code for building HTTP API bindings more quickly. (library, mit, web)
easy-bitcoin library: types and functions for bitcoin applications (bsd3, library, network)
easy-file library: Cross-platform File handling (bsd3, library, system)
easyjson library: Haskell JSON library with an emphasis on simplicity, minimal dependencies, and ease of use. (library, mit, text)
easyplot library: A tiny plotting library, utilizes gnuplot for plotting. (graphics, library, math, mit, plotting)
easyrender library: User-friendly creation of EPS, PostScript, and PDF files (gpl, graphics, library)
easytensor library, test and benchmarks: Pure, type-indexed haskell vector, matrix, and tensor library. (bsd3, geometry, library, math)
easytest library and test: Simple, expressive testing library (library, mit, testing)
ebeats library: Time in ebeats (bsd3, library, time)
ebnf-bff library and program: Parser combinators & EBNF, BFFs! (ebnf, library, metalanguage, mit, parsing, program, text)
ec2-signature library and tests: The Amazon EC2 style signature calculator. (bsd3, library, network)
ec2-unikernel program: A handy tool for uploading unikernels to Amazon's EC2. (aws, bsd3, program, unikernel)
eccrypto library: Elliptic Curve Cryptography for Haskell (bsd3, cryptography, library)
ecdsa library: Basic ECDSA signing implementation (crypto, library)
echo library: A cross-platform, cross-console way to handle echoing terminal input (bsd3, library, system)
ecma262 library and program: A ECMA-262 interpreter library (bsd2, language, library, program)
ecstasy library: A GHC.Generics based entity component system. (bsd3, game, library)
ecu programs: Tools for automotive ECU development. (bsd3, embedded, program, utils)
ed25519 benchmark: Ed25519 cryptographic signatures (cryptography, mit)
ed25519-donna library: Haskell bindings to ed25519-donna (Elliptical Curve Signature Scheme) (bsd3, cryptography, library)
eddie program: Command line file filtering with haskell (bsd3, cli-tool, program)
ede library and test: Templating language with similar syntax and features to Liquid or Jinja2. (library, template, text, web)
edenmodules library: Semi-explicit parallel programming library (bsd3, control, distributed-computing, eden, library, parallelism)
edenskel library: Semi-explicit parallel programming skeleton library (bsd3, control.parallel.eden, library)
edentv program: A Tool to Visualize Parallel Functional Program Executions (development, eden, gpl, profiling, program, trace)
edge program: Top view space combat arcade game (game, gpl, program)
edis library: Statically typechecked client for Redis (database, library, mit)
edit-distance library, test and benchmark: Levenshtein and restricted Damerau-Levenshtein edit distances (algorithms, bsd3, library)
edit-distance-vector library and test: Calculate edit distances and edit scripts between vectors. (algorithms, bsd3, data, data-structures, library)
edit-lenses library: Symmetric, stateful edit lenses (bsd3, data, library)
edit-lenses-demo program: Programs demoing the use of symmetric, stateful edit lenses (bsd3, data, program)
editable library: Interactive editors for Generics (bsd2, data, library)
editline library: Bindings to the editline library (libedit). (bsd3, library, user-interfaces)
editor-open library and programs: Open the user's $VISUAL or $EDITOR for text input. (apache, library, program, text)
editpipe program: Edit stdin using an editor before sending to stdout. (bsd3, editor, program)
effect-handlers library, test and benchmark: A library for writing extensible algebraic effects and handlers. Similar to extensible-effects but with deep handlers. (control, library, mit)
effect-monad library: Embeds effect systems and program logics into Haskell using graded monads and parameterised monads (bsd3, control, library, monads)
effective-aspects library and test: A monadic embedding of aspect oriented programming (aop, aspect-oriented-programming, language, library, monads)
effective-aspects-mzv library and test: A monadic embedding of aspect oriented programming, using "Monads, Zippers and Views" instead of mtl. (aop, aspect-oriented-programming, language, library, monads)
effects library: Computational Effects (bsd3, control, library, monads)
effects-parser library: Parser Effect for the Control.Effects Library (bsd3, control, library, monads)
effin library: A Typeable-free implementation of extensible effects (bsd3, control, effect, library)
egison library, program, test and benchmark: Programming language with non-linear pattern-matching against non-free data (compilers-interpreters, library, mit, program)
egison-quote library: A quasi quotes for using Egison expression in Haskell code (language, library, mit)
egison-tutorial program: A tutorial program for the Egison programming language (compilers-interpreters, mit, program)
ehaskell program: like eruby, ehaskell is embedded haskell. (program, text)
ehs library: Embedded haskell template using quasiquotes. (language, library, mit, template, text)
eibd-client-simple library: EIBd Client (automation, gpl, library)
eigen library and tests: Eigen C++ library (linear algebra: matrices, sparse matrices, vectors, numerical solvers). (algebra, algorithms, bsd3, data, library, math, numeric, statistics)
either library and test: Combinators for working with sums (bsd3, control, library, monads)
either-list-functions library and test: Functions involving lists of Either (apache, data, library)
either-unwrap library: Functions for probing and unwrapping values inside of Either. (bsd3, data, deprecated, library)
eithers library: None (bsd3, deprecated, library, unclassified)
ekg library: Remote monitoring of processes (bsd3, library, network, system)
ekg-bosun library: Send ekg metrics to a Bosun instance (bsd3, library, system)
ekg-carbon library: An EKG backend to send statistics to Carbon (part of Graphite monitoring tools) (bsd3, library, unclassified)
ekg-cloudwatch library: An ekg backend for Amazon Cloudwatch (bsd3, library, web)
ekg-core library and benchmarks: Tracking of system metrics (bsd3, library, system)
ekg-elastic library: Push metrics to elastic (bsd3, deprecated, library, system)
ekg-elasticsearch library: Push metrics to elasticsearch (bsd3, library, system)
ekg-influxdb library: An EKG backend to send statistics to influxdb (bsd3, library, unclassified)
ekg-json library: JSON encoding of ekg metrics (bsd3, distribution, library)
ekg-log library: Push metrics to a log file. (bsd3, library, system)
ekg-prometheus-adapter library and test: Easily expose your EKG metrics to Prometheus (library, mit, web)
ekg-push library: Small framework to push metric deltas to a broadcast channel using the ekg-core library. (bsd3, library, system)
ekg-rrd library and test: Passes ekg statistics to rrdtool (bsd3, library, system)
ekg-statsd library: Push metrics to statsd (bsd3, library, system)
ekg-wai library: Remote monitoring of processes (bsd3, library, network, system)
electrum-mnemonic library and test: easy to remember mnemonic for a high-entropy value (gpl, library, natural-language-processing)
elenco-albero library and test: make tree from a list (library, public-domain, tree)
elerea library: A minimalistic FRP library (bsd3, frp, library, reactivity)
elerea-examples programs: Example applications for Elerea (bsd3, frp, program, reactivity)
elerea-sdl library: Elerea FRP wrapper for SDL (data, library)
elevator library: Immediately lifts to a desired level (bsd3, control, library)
elf library: Parser for ELF object format. (bsd3, data, library)
eliminators library and test: Dependently typed elimination functions using singletons (bsd3, dependent-types, library)
elision library and program: Arrows with holes. (bsd2, control, library, program)
elm-bridge library and tests: Derive Elm types and Json code from Haskell types, using aeson's options (bsd3, compiler, language, library, web)
elm-build-lib library: Compile Elm code to JS within Haskell (bsd3, compiler, deprecated, language, library)
elm-compiler library, programs and test: Values to help with elm-package, elm-make, and elm-lang.org. (bsd3, compiler, deprecated, language, library, program)
elm-core-sources library: Source files for the Elm runtime and standard libraries (bsd3, compiler, language, library)
elm-export library and test: A library to generate Elm types from Haskell source. (library, web)
elm-export-persistent library: elm-export persistent entities (data, database, library, mit, web)
elm-get library and program: Tool for sharing and using Elm libraries (bsd3, deprecated, language, library, program)
elm-hybrid library and test: Combine Elm with Haskell for data based applications (bsd3, library, web)
elm-init program: Set up basic structure for an elm project (development, mit, program)
elm-make program: A build tool for Elm projects (bsd3, build-tool, deprecated, program)
elm-package library and program: Package manager for Elm libraries (bsd3, deprecated, language, library, program)
elm-reactor program: Interactive development tool for Elm programs (bsd3, compiler, deprecated, language, program)
elm-repl program and test: a REPL for Elm (bsd3, deprecated, program, tool)
elm-server program: Server for developing Elm projects (bsd3, compiler, deprecated, language, program)
elm-websocket library, programs and test: Generate ELM code from a Wai websocket application. (bsd3, library, program, web)
elm-yesod library: The Elm language Yesod compatibility module. (bsd3, library, web, yesod)
elo library and test: Elo Rating Library (bsd3, library, web)
elocrypt library, program and tests: Generate easy-to-remember, hard-to-guess passwords (cryptography, library, program)
elsa library, program and test: A tiny language for understanding the lambda-calculus (language, library, mit, program)
emacs-keys library and tests: library to parse emacs style keybinding into the modifiers and the chars (library, parsing)
email library: Sending eMail in Haskell made easy (bsd3, deprecated, library, network)
email-header library and test: Parsing and rendering of email and MIME headers (bsd3, library, network)
email-postmark library: A simple wrapper to send emails via the api of the service postmark (http://postmarkapp.com/) (bsd3, deprecated, email, library)
email-validate library and tests: Email address validation (bsd3, library, text)
email-validate-json library: Aeson instances for email-validate (bsd3, library, web)
email-validator program and tests: Perform basic syntax and deliverability checks on email addresses. (gpl, program, utils)
emailaddress library and test: Wrapper around email-validate library adding instances for common type classes. (bsd3, library, text)
emailparse library and test: An email parser that will parse everything (bsd3, library, network)
embeddock library and program: Embed the values in scope in the haddock documentation of the module (bsd3, documentation, library, program)
embeddock-example library: Example of using embeddock. (bsd3, documentation, library)
embroidery library and program: support for embroidery formats in haskell (codec, gpl, library, program)
emgm library and test: Extensible and Modular Generics for the Masses (bsd3, generics, library)
emoji library and program: emoji utility (bsd3, library, program, unicode)
empty library: Ceci n'est pas une package (acme, bsd3, deprecated, library)
empty-monad library: A container that always has no values. (bsd3, data, library)
enchant library and test: Binding to the Enchant library (bsd3, language, library)
enclosed-exceptions library and test: Catching all exceptions from within an enclosed computation (control, library, mit)
encode-string library and test: Safe string conversion and encoding (data, library, mit, string, text)
encoding library and test: A library for various character encodings (bsd3, codec, library)
encoding-io library: Encoding-aware file I/O. (bsd3, data, library)
endo library: Endomorphism utilities. (bsd3, data, library)
eng-stemmer library, program and test: An English language stemmer (Porter2) (bsd3, library, nlp, program, stemming)
engine-io library: A Haskell implementation of Engine.IO (bsd3, library, web)
engine-io-growler library: (library, mit, web)
engine-io-snap library: (bsd3, library, unclassified)
engine-io-wai library: An @engine-io@ @ServerAPI@ that is compatible with @Wai@ (bsd3, library, network)
engine-io-yesod library: (bsd3, library, network)
engineering-units library: A numeric type for managing and automating engineering units. (bsd3, data, library)
entangle library and program: An application (and library) to convert quipper circuits into Qpmc models. (library, mit, program, unclassified)
entropy library: A platform independent entropy source (bsd3, cryptography, data, library)
enumerable library: A typeclass for enumerating all values a type (bsd3, data, library)
enumerate library and program: enumerate all the values in a finite type (automatically) (data, library, mit, program)
enumerate-function library, program, tests and benchmark: simple package for inverting functions and testing totality, via brute enumeration of the domain (bsd3, library, program, todo)
enumeration library and test: A practical API for building recursive enumeration procedures and enumerating datatypes. (bsd3, data, library, serialization, test, testing)
enumerator library: Reliable, high-performance processing with left-fold enumerators (data, deprecated, enumerator, library, mit)
enumerator-fd library: Enumerator instances for monads-fd classes (enumerator, library, mit)
enumerator-tf library: Enumerator instances for monads-tf classes (enumerator, library, mit)
enumfun library: Finitely represented /total/ EnumMaps (bsd3, data, library)
enummapmap library, tests and benchmark: Map of maps using Enum types as keys (bsd3, data, data-structures, library)
enummapset library: IntMap and IntSet with Enum keys/elements. (bsd3, data, library)
enummapset-th library: TH-generated EnumSet/EnumMap wrappers around IntSet/IntMap. (bsd3, data, library)
enumset library: Sets of enumeration values represented by machine words (bsd3, data, foreign, library)
env-locale library: A (non-forking) interface to the current locale (library, system)
env-parser library: Pull configuration information from the ENV (library, mit, system)
envelope library and test: Defines generic 'Envelope' type to wrap reponses from a JSON API. (bsd3, library, web)
envparse library and test: Parse environment variables (bsd3, library, system)
envy library and test: An environmentally friendly way to deal with environment variables (bsd3, library, system)
epanet-haskell library: Haskell binding for EPANET (algorithms, gpl, hydraulics, library)
epass library: Baisc, Erlang-like message passing supporting sockets. (bsd3, concurrency, library, network)
epic library and program: Compiler for a simple functional language (bsd3, compilers-interpreters, library, program)
epoll library: epoll bindings (library, system)
eprocess library: Basic Erlang-like process support for Haskell (bsd3, concurrency, library)
epub library and program: EPUB E-Book construction support library (bsd3, deprecated, library, program, text)
epub-metadata library, program and test: Library for parsing epub document metadata (bsd3, codec, library, program, text)
epub-tools programs and test: Command line utilities for working with epub files (application, console, program)
epubname program: Rename epub ebook files based on meta information (application, bsd3, console, deprecated, program)
eq library: Leibnizian equality (bsd3, library, type-system)
equal-files program: Shell command for finding equal files (console, program)
equational-reasoning library: Proof assistant for Haskell using DataKinds & PolyKinds (bsd3, library, math)
equivalence library and test: Maintaining an equivalence relation implemented as union-find using STT. (algorithms, bsd3, data, library)
erd program: An entity-relationship diagram generator from a plain text description. (database, development, program, public-domain)
erf library: The error function, erf, and related functions. (bsd3, library, math)
erf-native library: Native Haskell implementation of the interface from the erf package (library, math)
erlang library: FFI interface to Erlang. (foreign, library)
eros library: A text censorship library. (bsd3, library, text)
eros-client program: DEPRECATED in favor of eros-http (bsd3, program, text)
eros-http program: JSON HTTP interface to Eros. (bsd3, program, text)
errno library: a FFI utility (bsd3, foreign, library)
error-analyze library and test: Parse ghc and cabal error messages and give their causes for easier resolution (bsd3, development, ghc, library)
error-context library and test: Provides API for enriching errors with contexts (bsd3, control, error-handling, library)
error-continuations library: Error Continuations (control, library, public-domain)
error-list library: A useful type for collecting error messages. (control, library, mit)
error-loc library: An error replacement with call-site metadata. (library, mit, utils)
error-location library: error functions that show file location information (bsd3, deprecated, development, library)
error-message library: Composable error messages. (bsd3, development, error-handling, library)
error-util library: Set of utils and operators for error handling (error-handling, library, mit)
errorcall-eq-instance library and test: An orphan Eq instance for ErrorCall (control, deprecated, library, mit)
errors library: Simplified error-handling (bsd3, control, error-handling, library)
errors-ext library and test: `bracket`-like functions for `ExceptT` over `IO` monad. (control, error-handling, library)
ersaconcat library, program and test: A script to concatenate AIP ERSA (aviation, bsd3, library, program)
ersatz library and tests: A monad for expressing SAT or QSAT problems using observable sharing. (algorithms, bsd3, library, logic)
ersatz-toysat library: toysat driver as backend for ersatz (algorithms, bsd3, library, logic)
ert library and program: Easy Runtime Templates (gpl, library, program, text)
escape-artist library and tests: ANSI Escape Sequence Text Decoration Made Easy (bsd3, graphics, library, text, user-interfaces)
escoger library, program, test and benchmark: Terminal fuzzy selector (library, mit, program, tools)
esotericbot library and program: Eso