All packages by name

3d-graphics-examples programs: Examples of 3D graphics programming with OpenGL (bsd3, program)
3dmodels library: 3D model parsers (lgpl, library)
4Blocks program: A tetris-like game (works with GHC 6.8.3 and Gtk2hs 0.9.13) (bsd3, program)
AAI library: Abstract Application Interface. (library, mit)
ABList library and test: An alternating list of two types (bsd3, library, test)
AC-Angle library: Angles in degrees and radians. (bsd3, library)
AC-Boolean library: Handle Boolean values generatically. (bsd3, library)
AC-BuildPlatform library: Detect which OS you're running on. (bsd3, library)
AC-Colour library: Efficient RGB colour types. (bsd3, library)
AC-EasyRaster-GTK library: GTK+ pixel plotting. (bsd3, library)
AC-HalfInteger library: Efficient half-integer type. (bsd3, library)
AC-MiniTest library: A simple test framework. (bsd3, library)
AC-PPM library: Trivial package for writing PPM images. (bsd3, library)
AC-Random library: A pure Haskell PRNG. (bsd3, library)
AC-Terminal library: Trivial wrapper over ansi-terminal. (bsd3, library)
AC-VanillaArray library: Immutable arrays with plain integer indicies. (bsd3, library)
AC-Vector library: Efficient geometric vectors and transformations. (bsd3, library)
AC-Vector-Fancy library: Fancy type-system stuff for AC-Vector (bsd3, library)
ACME library: Essential features (bsd3, library)
ADPfusion library and test: Efficient, high-level dynamic programming. (bsd3, library, test)
ADPfusionSet library and test: Dynamic programming for Set data structures. (bsd3, library, test)
AERN-Basics library and program: foundational type classes for approximating exact real numbers (bsd3, library, program)
AERN-Net library: Compositional lazy dataflow networks for exact real number computation (bsd3, library)
AERN-Real library: arbitrary precision real interval arithmetic (bsd3, library)
AERN-Real-Double library and programs: arbitrary precision real interval arithmetic (bsd3, library, program)
AERN-Real-Interval library: arbitrary precision real interval arithmetic (bsd3, library)
AERN-RnToRm library: polynomial function enclosures (PFEs) approximating exact real functions (bsd3, library)
AERN-RnToRm-Plot library: GL plotting of polynomial function enclosures (PFEs) (bsd3, library)
AES library: Fast AES encryption/decryption for bytestrings (bsd3, library)
AFSM library: Arrowized functional state machines (library, mit)
AGI library: A library for writing AGI scripts for Asterisk (bsd3, library)
ALUT library: A binding for the OpenAL Utility Toolkit (bsd3, library)
AMI library: Low-level bindings for Asterisk Manager Interface (AMI). (bsd3, library)
ANum library: Num instance for Applicatives provided via the ANum newtype (bsd3, library)
ASN1 library: ASN.1 support for Haskell (bsd3, deprecated, library)
AVar library: Mutable variables with Exception handling and concurrency support. (bsd3, deprecated, library)
AWin32Console library: A binding to a part of the ANSI escape code for the console (bsd3, library)
AbortT-monadstf library: Monads-tf instances for the AbortT monad transformer. (bsd3, library)
AbortT-mtl library: mtl instances for the AbortT monad transformer (bsd3, library)
AbortT-transformers library and test: A monad and monadic transformer providing "abort" functionality (bsd3, library, test)
ActionKid library, program and test: An easy-to-use video game framework for Haskell. (bsd3, library, program, test)
Adaptive library and program: Library for incremental computing. (bsd3, library, program)
Adaptive-Blaisorblade library and program: Library for incremental computing. (bsd3, library, program)
Advgame program: Lisperati's adventure game in Lisp translated to Haskell (bsd3, program)
AesonBson library and test: Mapping between Aeson's JSON and Bson objects. (library, test)
Agata library: Generator-generator for QuickCheck (bsd3, deprecated, library)
Agda library and programs: A dependently typed functional programming language and proof assistant (library, program)
Agda-executable program: Command-line program for type-checking and compiling Agda programs (deprecated, program)
AhoCorasick library: Aho-Corasick string matching algorithm (bsd3, library)
AlanDeniseEricLauren library, test and benchmark: Find the minimal subset/submap satisfying some property. (benchmark, bsd3, library, test)
AlgorithmW program: Example implementation of Algorithm W for Hindley-Milner type inference. (bsd3, program)
AlignmentAlgorithms library: Collection of alignment algorithms (gpl, library)
Allure program and test: Near-future Sci-Fi roguelike and tactical squad game (agpl, program, test)
AndroidViewHierarchyImporter program: Android view hierarchy importer (bsd3, program)
Animas library: Updated version of Yampa: a library for programming hybrid systems. (bsd3, library)
Annotations library and test: Constructing, analyzing and destructing annotated trees (bsd3, library, test)
Ansi2Html program: Convert ANSI Terminal Sequences to nice HTML markup (bsd3, program)
ApplePush library and program: Library for Apple Push Notification Service (bsd3, library, program)
AppleScript : Call AppleScript from Haskell, and then call back into Haskell. (bsd3)
ApproxFun-hs library: Function approximation (bsd3, library)
ArrayRef library: Unboxed references, dynamic arrays and more (bsd3, library)
ArrowVHDL library: A library to generate Netlist code from Arrow descriptions. (library, public-domain)
AspectAG library: Attribute Grammars in the form of an EDSL (lgpl, library)
AttoBencode library and test: Fast Bencode encoding and parsing library (bsd3, library, test)
AttoJson library: Simple lightweight JSON parser, generator & manipulator based on ByteString (bsd3, deprecated, library)
Attrac program: Visualisation of Strange Attractors in 3-Dimensions (bsd3, program)
Aurochs program: Yet another parser generator for C/C++ (bsd3, program)
AutoForms library: GUI library based upon generic programming (SYB3) (lgpl, library)
AvlTree library: Balanced binary trees using the AVL algorithm. (bsd3, library)
BASIC library: Embedded BASIC (bsd3, library)
BCMtools library and program: Big Contact Map Tools (library, mit, program)
BNFC library, program and tests: A compiler front-end generator. (gpl, library, program, test)
BNFC-meta library: Deriving Parsers and Quasi-Quoters from BNF Grammars (gpl, library)
Baggins library: Tools for self-assembly (gpl, library)
Bang library: A Drum Machine DSL for Haskell (library, mit)
Barracuda library and program: An ad-hoc P2P chat program (gpl, library, program)
Befunge93 program: An interpreter for the Befunge-93 Programming Language (bsd3, program)
BenchmarkHistory library: Benchmark functions with history (gpl, library)
BerkeleyDB library: Berkeley DB binding (bsd3, library)
BerkeleyDBXML library: Berkeley DB XML binding (bsd3, library)
BerlekampAlgorithm library: Factorization of polynomials over finite field (bsd3, library)
BiGUL library: The Bidirectional Generic Update Language (library, public-domain)
BigPixel program: Image editor for pixel art (bsd3, program)
Binpack library: Common bin-packing heuristics. (bsd3, library)
BioHMM library: Libary for Hidden Markov Models in HMMER3 format. (gpl, library)
Biobase library: Base library for bioinformatics (gpl, library)
BiobaseBlast library and test: BLAST-related tools (gpl, library, test)
BiobaseDotP library: Vienna / DotBracket / ExtSS parsers (gpl, library)
BiobaseFR3D library: Importer for FR3D resources (gpl, library)
BiobaseFasta library and program: conduit-based FASTA parser (gpl, library, program)
BiobaseInfernal library, program, test and benchmark: Infernal data structures and tools (benchmark, gpl, library, program, test)
BiobaseMAF library: Multiple Alignment Format (gpl, library)
BiobaseNewick library, program and test: Newick file format parser. (bsd3, library, program, test)
BiobaseTrainingData library and program: RNA folding training data (gpl, library, program)
BiobaseTurner library: Import Turner RNA parameters (gpl, library)
BiobaseTypes library and test: Collection of types for bioinformatics (bsd3, library, test)
BiobaseVienna library: Import Vienna energy parameters (gpl, library)
BiobaseXNA library, program and test: Efficient RNA/DNA representations (gpl, library, program, test)
BirdPP program: A preprocessor for Bird-style Literate Haskell comments with Haddock markup. (gpl, program)
BitStringRandomMonad library and test: (bsd3, library, test)
BitSyntax library: A module to aid in the (de)serialisation of binary data (bsd3, library)
Bitly library: A library to access bit.ly URL shortener. (bsd3, deprecated, library)
BlastHTTP library: Libary to interface with the NCBI blast REST interface (gpl, library)
Blobs library and program: Diagram editor (lgpl, library, program)
BlogLiterately library and program: A tool for posting Haskelly articles to blogs (gpl, library, program)
BlogLiterately-diagrams library and program: Include images in blog posts with inline diagrams code (bsd3, library, program)
Blogdown library, program, test and benchmark: A markdown-like markup language designed for blog posts (agpl, benchmark, library, program, test)
BluePrintCSS library: Html document layout library. (bsd3, deprecated, library)
Blueprint library: Preview of a new build system. (bsd3, library)
Bookshelf program and test: A simple document organizer with some wiki functionality (gpl, program, test)
Boolean library: Generalized booleans and numbers (bsd3, library)
BoundedChan library: Implementation of bounded channels. (bsd3, library)
Bravo library: Static text template generation library (bsd3, library)
BufferedSocket library: A socker wrapper that makes the IO of sockets much cleaner (library, mit)
Buster program and test: Hits a set of urls periodically to bust caches (mit, program, test)
CBOR library and tests: Encode/Decode values to/from CBOR (lgpl, library, test)
CC-delcont library: Delimited continuations and dynamically scoped variables (library)
CC-delcont-alt library and test: Three new monad transformers for multi-prompt delimited control (bsd3, library, test)
CC-delcont-cxe library: A monad transformers for multi-prompt delimited control (bsd3, library)
CC-delcont-exc library: A monad transformers for multi-prompt delimited control (bsd3, library)
CC-delcont-ref library: A monad transformers for multi-prompt delimited control using refercence cells (bsd3, library)
CC-delcont-ref-tf library: A monad transformers for multi-prompt delimited control using refercence cells (bsd3, library)
CCA library and program: preprocessor and library for Causal Commutative Arrows (CCA) (bsd3, library, program)
CHXHtml library: A W3C compliant (X)HTML generating library (bsd3, library)
CLASE library: Cursor Library for A Structured Editor (bsd3, library)
CLI library and test: CLI tools (bsd3, library, test)
CMCompare library and program: Infernal covariance model comparison (gpl, library, program)
CMQ library: cwmwl udp message queue (bsd3, library)
COrdering library: An algebraic data type similar to Prelude Ordering. (bsd3, library)
CPBrainfuck program: A simple Brainfuck interpretter. (bsd3, program)
CPL program: An interpreter of Hagino's Categorical Programming Language (CPL). (bsd3, program)
CSPM-CoreLanguage library: Definition of a FDR-compatible CSP core-language. (bsd3, library)
CSPM-FiringRules library: Firing rules semantic of CSPM (bsd3, library)
CSPM-Frontend library: A CSP-M parser compatible with FDR-2.91 (bsd3, library)
CSPM-Interpreter library: An interpreter for CSPM (bsd3, library)
CSPM-ToProlog library: some modules specific for the ProB tool (bsd3, library)
CSPM-cspm library and program: cspm command line tool for analyzing CSPM specifications. (bsd3, library, program)
CTRex library: Open records using closed type families. (bsd3, library)
CV library: OpenCV based machine vision library (gpl, library)
Cabal library and test: A framework for packaging Haskell software (bsd3, library, test)
Cabal-ide-backend library and tests: A framework for packaging Haskell software (bsd3, library, test)
CabalSearch program: Search cabal packages by name (bsd3, program)
Capabilities library: Separate and contain effects of IO monad. (bsd3, library)
Cardinality library: Measure container capacity. Use it to safely change container. (lgpl, library)
CarneadesDSL library: An implementation and DSL for the Carneades argumentation model. (bsd3, library)
CarneadesIntoDung library and program: A translation from the Carneades argumentation model into Dung's AFs. (bsd3, library, program)
Cartesian library: Coordinate systems (library, mit)
Cascade library: Playing with reified categorical composition (library, public-domain)
Catana library: A monad for complex manipulation of a stream. (bsd3, library)
ChannelT library: Generalized stream processors (bsd3, library)
Chart library: A library for generating 2D Charts and Plots (bsd3, library)
Chart-cairo library: Cairo backend for Charts. (bsd3, library)
Chart-diagrams library: Diagrams backend for Charts. (bsd3, library)
Chart-gtk library: Utility functions for using the chart library with GTK (bsd3, library)
Chart-simple library: A wrapper for the chart library to assist with basic plots (Deprecated - use the Easy module instead) (bsd3, deprecated, library)
ChasingBottoms library and test: For testing partial and infinite values. (library, mit, test)
CheatSheet program: A Haskell cheat sheet in PDF and literate formats. (bsd3, program)
Checked library: Inbuilt checking for ultra reliable computing (bsd3, library)
Chitra program: A platform independent mechanism to render graphics using vnc. (bsd3, program)
ChristmasTree library: Alternative approach of 'read' that composes grammars instead of parsers. (lgpl, library)
CirruParser library: Cirru Parser in Haskell (deprecated, library, mit)
ClassLaws library: Stating and checking laws for type class methods (bsd3, library)
ClassyPrelude library: Prelude replacement using classes instead of concrete types where reasonable (bsd3, library)
Clean library: A light, clean and powerful utility library (bsd3, deprecated, library)
Clipboard library: System clipboard interface. (bsd3, library)
ClustalParser library, program and test: Libary for parsing Clustal tools output (gpl, library, program, test)
Coadjute library: A generic build tool (bsd3, deprecated, library)
Codec-Compression-LZF library: LZF compression bindings. (bsd3, library)
Codec-Image-DevIL library: An FFI interface to the DevIL library (bsd3, library)
Combinatorrent program: A concurrent bittorrent client (bsd3, program)
Command library: A replacement for System.Exit and System.Process (bsd3, deprecated, library)
Commando library and program: Watch some files; Rerun a command (library, mit, program)
ComonadSheet library: A library for expressing spreadsheet-like computations as the fixed-points of comonads. (bsd3, library)
Compactable library: A generalization for containers that can be stripped of Nothing (bsd3, deprecated, library)
Concurrent-Cache library: A Cached variable for IO functions. (bsd3, library)
ConcurrentUtils library: Concurrent utilities (gpl, library)
Concurrential library: Mix concurrent and sequential computation (bsd3, library)
Condor library, program and test: Information retrieval library (bsd3, library, program, test)
ConfigFile library: Configuration file reading & writing (bsd3, library)
ConfigFileTH library: Template haskell for reading ConfigFiles. (lgpl, library)
Configger library: Parse config files (library, mit)
Configurable library: Declare types as Configurable then specialize them all in one place (library, mit)
ConsStream library: Trivial re-export of Wouter Swierstra's Stream package, avoiding module name clash. (bsd3, library)
Conscript program: Restart a command on STDIN activity (mit, program)
ConstraintKinds library: Repackages standard type classes with the ConstraintKinds extension (bsd3, library)
Consumer library: A monad and monad transformer for consuming streams (bsd3, library)
ContArrow library: Control.Arrow.Transformer.Cont (bsd3, library)
ContextAlgebra program: Implementation of the context algebra. (bsd3, program)
Contract library: Practical typed lazy contracts. (bsd3, library)
Control-Engine library: A parallel producer/consumer engine (thread pool) (bsd3, deprecated, library)
Control-Monad-MultiPass library and test: A Library for Writing Multi-Pass Algorithms. (bsd3, library, test)
Control-Monad-ST2 library and test: A variation on the ST monad with two type parameters. (bsd3, library, test)
CoreDump library: A GHC plugin for printing GHC's internal Core data structures. (bsd3, library)
CoreErlang library: Manipulating Core Erlang source code (bsd3, library)
CoreFoundation library: Bindings to Mac OSX's CoreFoundation framework (bsd3, library)
Coroutine library: Type-safe coroutines using lightweight session types. (bsd3, library)
CouchDB library and test: CouchDB interface (bsd3, library, test)
Craft3e library and programs: Code for Haskell: the Craft of Functional Programming, 3rd ed. (library, mit, program)
Crypto library and programs: Collects together existing Haskell cryptographic functions into a package (library, program)
CurryDB library, programs, tests and benchmark: CurryDB: In-memory Key/Value Database (benchmark, bsd3, library, program, test)
DAG-Tournament program: Real-Time Game Tournament Evaluator (gpl, program)
DAV library and program: RFC 4918 WebDAV support (gpl, library, program)
DBlimited program: A command-line SQL interface for flat files (tdf,csv,etc.) (bsd3, program)
DBus library: D-Bus bindings (bsd3, library)
DCFL library: Communication Free Learning-based constraint solver (library, mit)
DMuCheck program: Distributed Mutation Analysis framework for MuCheck (gpl, program)
DOH library and test: Complete API bindings for DigitalOcean API V2 (library, mit, test)
DOM library: DOM Level 2 bindings for the WebBits package. (bsd3, library)
DP library: Pragmatic framework for dynamic programming (bsd3, library)
DPM library and program: Darcs Patch Manager (gpl, library, program)
DPutils library, test and benchmark: utilities for DP (benchmark, bsd3, library, test)
DRBG library and test: Deterministic random bit generator (aka RNG, PRNG) based HMACs, Hashes, and Ciphers. (bsd3, library, test)
DSA library and test: Implementation of DSA, based on the description of FIPS 186-4 (bsd3, library, test)
DSH library and program: Database Supported Haskell (bsd3, library, program)
DSTM library and programs: A framework for using STM within distributed systems (lgpl, library, program)
DTC library: Data To Class transformation. (bsd3, library)
Dangerous library: Monads for operations that can exit early and produce warnings (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, test)
DarcsHelpers library: Code used by Patch-Shack that seemed sensible to open for reusability (gpl, library)
Data-Angle library: Geometric angles (bsd3, library)
Data-Hash-Consistent library: Provide a simple consistent hashing mechanism (bsd3, library)
Data-Rope library: Ropes, an alternative to (Byte)Strings. (deprecated, gpl, library)
DataIndex library, program, test and benchmark: A package for adding index column to data files (benchmark, library, mit, program, test)
DataTreeView library: A GTK widget for displaying arbitrary Data.Data.Data instances (bsd3, library)
Deadpan-DDP library, program and test: Write clients for Meteor's DDP Protocol (library, mit, program, test)
DebugTraceHelpers library: Convenience functions and instances for Debug.Trace (gpl, library)
Decimal library and test: Decimal numbers with variable precision (bsd3, library, test)
DecisionTree library: A very simple implementation of decision trees for discrete attributes. (lgpl, library)
DeepArrow library: Arrows for "deep application" (bsd3, library)
DeepDarkFantasy library and tests: A DSL for creating neural network. (apache, library, test)
DefendTheKing programs: A simple RTS game (gpl, program)
Delta-Lambda program and test: A demonstration interpreter for type system delta-lambda (of N.G. De-bruijn) (mit, program, test)
DescriptiveKeys library: A library for specifying xmonad key bindings with functionality. (bsd3, library)
Dflow library and test: Processing Real-time event streams (bsd3, library, test)
Diff library and test: O(ND) diff algorithm in haskell. (bsd3, library, test)
DifferenceLogic library: A theory solver for conjunctions of literals in difference logic (bsd3, library)
DifferentialEvolution library: Global optimization using Differential Evolution (library, mit)
Digit library: A data-type representing digits 0-9 (bsd3, deprecated, library)
DigitalOcean library and test: A client library for the DigitalOcean API (agpl, library, test)
DimensionalHash library: An n-dimensional hash using Morton numbers. (bsd3, library)
DirectSound library: Partial binding to the Microsoft DirectSound API. (bsd3, library)
DisTract library and programs: Distributed Bug Tracking System (bsd3, library, program)
DiscussionSupportSystem library and test: Discussion support system (gpl, library, test)
Dish library and program: Hash modules (currently Murmur3) (bsd3, library, program)
Dist library and test: A Haskell library for probability distributions (library, mit, test)
DistanceTransform library and test: Distance transform function. (bsd3, library, test)
DistanceUnits library: A comprehensive distance library (bsd3, library)
DnaProteinAlignment library and program: Frameshift-aware alignment of protein sequences with DNA sequences (gpl, library, program)
DocTest program: Test interactive Haskell examples (deprecated, mit, program)
Docs library: Documentation types library. (bsd3, library)
DrHylo library and program: A tool for deriving hylomorphisms (bsd3, library, program)
DrIFT library and programs: Program to derive type class instances (bsd3, library, program)
DrIFT-cabalized programs: Program to derive type class instances (bsd3, deprecated, program)
Dung library and program: An implementation of the Dung argumentation frameworks. (bsd3, library, program)
Dust library and test: Polymorphic protocol engine (gpl, library, test)
Dust-crypto library and test: Cryptographic operations (gpl, library, test)
Dust-tools library and programs: Network filtering exploration tools (gpl, library, program)
Dust-tools-pcap programs: Network filtering exploration tools that rely on pcap (gpl, program)
DynamicTimeWarp library and programs: Dynamic time warping of sequences. (lgpl, library, program)
DysFRP library: dysFunctional Reactive Programming (bsd3, library)
DysFRP-Cairo library: dysFunctional Reactive Programming on Cairo (bsd3, library)
DysFRP-Craftwerk library: dysFunctional Reactive Programming on Craftwerk (bsd3, library)
EEConfig library: ExtremlyEasyConfig - Extremly Simple parser for config files (bsd3, library)
Earley library, test and benchmark: Parsing all context-free grammars using Earley's algorithm. (benchmark, bsd3, library, test)
Ebnf2ps program: Peter's Syntax Diagram Drawing Tool (bsd3, program)
EdisonAPI library: A library of efficient, purely-functional data structures (API) (library, mit)
EdisonCore library: A library of efficent, purely-functional data structures (Core Implementations) (library)
EditTimeReport program: Query language and report generator for edit logs. (gpl, program)
EitherT library: EitherT monad transformer (bsd3, deprecated, library)
Elm library, programs and tests: The Elm language module. (bsd3, deprecated, library, program, test)
Emping program: derives heuristic rules from nominal data (gpl, program)
Empty library: A type class for empty containers (bsd3, library)
Encode library and programs: Encoding character data (gpl, library, program)
EntrezHTTP library: Libary to interface with the NCBI Entrez REST service. (gpl, library)
EnumContainers library: Simple Enum-class-based int containers (bsd3, library)
EnumMap library: More general IntMap replacement. (bsd3, library)
Eq program: Render math formula in ASCII, and perform some simplifications (bsd3, deprecated, program)
EqualitySolver library: A theory solver for conjunctions of literals in the theory of uninterpreted functions with equality (bsd3, library)
EsounD library: Type-safe bindings to EsounD (ESD; Enlightened Sound Daemon) (library, public-domain)
EstProgress library: Methods for estimating the progress of functions (bsd3, library)
EtaMOO program: A new implementation of the LambdaMOO server (bsd3, program)
Etage library: A general data-flow framework (lgpl, library)
Etage-Graph library and program: Data-flow based graph algorithms (lgpl, library, program)
Eternal10Seconds program: A 2-D shooting game (bsd3, program)
Etherbunny library and program: A network analysis toolkit for Haskell (gpl, library, program)
EuroIT library: Library for using euro currency, italian language (bsd3, library)
Euterpea library: Library for computer music research and education (bsd3, library)
EventSocket library: Interfaces with FreeSwitch Event Socket. (bsd3, library)
Extra library: A grab bag of modules. (bsd3, deprecated, library)
FComp library and program: Compose music (gpl, library, program)
FM-SBLEX programs: A set of computational morphology tools for Swedish diachronic lexicons. (gpl, program)
FModExRaw library: The Haskell FModEx raw API. (deprecated, gpl, library)
FPretty library: Efficient simple pretty printing combinators (bsd3, library)
FTGL library: Portable TrueType font rendering for OpenGL using the Freetype2 library (bsd3, library)
FTGL-bytestring library: Portable TrueType font rendering for OpenGL using the Freetype2 library (bsd3, library)
FTPLine program: A command-line FTP client. (bsd3, program)
Facts library: A collection of facts about the real world. (bsd3, library)
FailureT library: Failure Monad Transformer (deprecated, library, public-domain)
FastPush library: A monad and monad transformer for pushing things onto a stack very fast. (bsd3, library)
FastxPipe library: Fasta and Fastq streaming (bsd3, deprecated, library)
FenwickTree library and test: Data structure for fast query and update of cumulative sums (bsd3, library, test)
FermatsLastMargin program: Annotate ps and pdf documents (gpl, program)
FerryCore library: Ferry Core Components (bsd3, library)
Feval program: Evaluation using F-Algebras (mit, program)
FieldTrip library: Functional 3D (bsd3, library)
FileManip library: Expressive file and directory manipulation for Haskell. (bsd3, deprecated, library)
FileManipCompat library: Expressive file and directory manipulation for Haskell. (bsd3, library)
FilePather library: Functions on System.FilePath (bsd3, deprecated, library)
FileSystem library: File system data structure and monad transformer. (bsd3, library)
Files library, program and test: File content extraction/rearrangement (library, mit, program, test)
Finance-Quote-Yahoo library: Obtain quote data from finance.yahoo.com (bsd3, library)
Finance-Treasury library: Obtain Treasury yield curve data (bsd3, library)
FindBin library: Locate directory of original program (bsd3, library)
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, deprecated, library)
FirstOrderTheory library: Grammar and typeclass for first order theories (bsd3, library)
FixedPoint-simple library: Fixed point, large word, and large int numerical representations (types and common class instances) (bsd3, library)
Flippi program: Wiki (bsd3, program)
FloatingHex library: Read and write hexadecimal floating point numbers (bsd3, library)
Focus library: Tools for focusing in on locations within numbers (library, mit)
Folly library and programs: A first order logic library in Haskell (bsd3, library, program)
FontyFruity library: A true type file format loader (bsd3, library)
ForSyDe library: ForSyDe's Haskell-embedded Domain Specific Language. (bsd3, library)
ForestStructures library, test and benchmark: Tree- and forest structures (benchmark, bsd3, library, test)
ForkableT library: Forkable monad transformers (bsd3, library)
FormalGrammars library, program and test: (Context-free) grammars in formal language theory (gpl, library, program, test)
Foster program and benchmark: Utilities to generate and solve puzzles (benchmark, mit, program)
FpMLv53 library: A binding for the Financial Products Markup Language (v5.3) (lgpl, library)
FractalArt program: Generates colorful wallpapers (mit, program)
Fractaler program: (mit, program)
Frames library, tests and benchmark: Data frames For working with tabular data files (benchmark, bsd3, library, test)
Frank program: An experimental programming language with typed algebraic effects (program, public-domain)
FreeTypeGL library: Loadable texture fonts for OpenGL. (bsd3, deprecated, library)
FunGEn library and programs: A lightweight, cross-platform, OpenGL/GLUT-based game engine. (bsd3, library, program)
Fungi program: Funge-98 interpreter written in Haskell (bsd3, program)
GA library: Genetic algorithm library (bsd3, library)
GGg program: GGg cipher (mit, program)
GHood library: A graphical viewer for Hood (bsd3, library)
GLFW library: A Haskell binding for GLFW (bsd3, library)
GLFW-OGL library: A binding for GLFW (OGL) (bsd3, library)
GLFW-b library and test: Bindings to GLFW OpenGL library (bsd3, library, test)
GLFW-b-demo program: GLFW-b demo (bsd3, program)
GLFW-task library: GLFW utility functions to use together with monad-task. (bsd3, library)
GLHUI library: Open OpenGL context windows in X11 with libX11 (bsd3, library)
GLM library, programs and test: Simple Gridlab-D GLM parser and utilities. (library, mit, program, test)
GLMatrix library: Utilities for working with OpenGL matrices (gpl, library)
GLURaw library: A raw binding for the OpenGL graphics system (bsd3, library)
GLUT library: A binding for the OpenGL Utility Toolkit (bsd3, library)
GLUtil library: Miscellaneous OpenGL utilities. (bsd3, library)
GPX library: Parse GPX files (bsd3, geo, library)
GPipe library: Typesafe functional GPU graphics programming (library, mit)
GPipe-Collada library: Load GPipe meshes from Collada files (bsd3, library)
GPipe-Examples programs: Examples for the GPipes package (gpl, program)
GPipe-GLFW library: GLFW OpenGL context creation for GPipe (library, mit)
GPipe-TextureLoad library: Load GPipe textures from filesystem (bsd3, library)
GTALib library and test: A library for GTA programming (bsd3, library, test)
Gamgine library: Some kind of game library or set of utilities. (bsd3, library)
Ganymede program: An Io interpreter in Haskell. (bsd3, program)
GaussQuadIntegration library: Non-adaptive Gaussian quadrature for numeric integraton (bsd3, library)
GeBoP program: Several games (bsd3, program)
GenI library, program and test: A natural language generator (specifically, an FB-LTAG surface realiser) (gpl, library, program, test)
GenSmsPdu program: Automatic SMS message generator (bsd3, program)
Genbank library and program: Libary for processing the NCBI genbank format (gpl, library, program)
Gene-CluEDO library, program and test: Hox gene clustering (gpl, library, program, test)
GeneralTicTacToe program: A general TicTacToe game implementation. (mit, program)
GenericPretty library: A generic, derivable, haskell pretty printer. (bsd3, library)
GenussFold library, program and test: MCFGs for Genus-1 RNA Pseudoknots (gpl, library, program, test)
GeoIp library: Pure bindings for the MaxMind IP database. (library)
GeocoderOpenCage library: Geocoder and Reverse Geocoding Service Wrapper (gpl, library)
Geodetic library: Geodetic calculations (bsd3, deprecated, library)
GeomPredicates library: Geometric predicates (bsd3, library)
GeomPredicates-SSE library: Geometric predicates (Intel SSE) (bsd3, library)
GiST library: A Haskell implementation of a Generalized Search Tree (GiST) (gpl, library)
Gifcurry library and programs: Create animated GIFs, overlaid with optional text, from video files. (apache, library, program)
GiveYouAHead library: to auto-do somethings (library, mit)
Glob library and test: Globbing library (bsd3, library, test)
GlomeTrace library: Ray Tracing Library (gpl, library)
GlomeVec library: Simple 3D vector library (gpl, library)
GlomeView program: SDL Frontend for Glome ray tracer (gpl, program)
GoogleChart library: Generate web-based charts using the Google Chart API (bsd3, library)
GoogleCodeJam library: A monad for flexible parsing of Google Code Jam input files with automatic parallelization. (library, mit)
GoogleDirections library: Haskell Interface to Google Directions API (bsd3, library)
GoogleSB library: Interface to Google Safe Browsing API (bsd3, library)
GoogleSuggest library: Interface to Google Suggest API (gpl, library)
GoogleTranslate library: Interface to Google Translate API (gpl, library)
GotoT-transformers library: A monad and monadic transformer providing "goto" functionality (bsd3, library)
Grafos library: Grafos Haskell (bsd3, library)
GrammarProducts library: Grammar products and higher-dimensional grammars (gpl, library)
Graph500 library and program: Graph500 benchmark-related definitions and data set generator. (gpl, library, program)
GraphHammer library: GraphHammer Haskell graph analyses framework inspired by STINGER. (gpl, library)
GraphHammer-examples library and program: Test harness for TriangleCount analysis. (gpl, library, program)
GraphSCC library: Tarjan's algorithm for computing the strongly connected components of a graph. (bsd3, library)
Graphalyze library: Graph-Theoretic Analysis library. (library)
Grempa library: Embedded grammar DSL and LALR parser generator (bsd3, library)
GroteTrap library and test: Parser and selection library for expression languages. (bsd3, library, test)
Grow library: A declarative make-like interpreter. (library)
GrowlNotify library and program: Notification utility for Growl. (bsd3, library, program)
Gtk2hsGenerics library: Convenience functions to extend Gtk2hs. (gpl, library)
GtkGLTV library: OpenGL support for Gtk-based GUIs for Tangible Values (bsd3, library)
GtkTV library: Gtk-based GUIs for Tangible Values (bsd3, library)
GuiHaskell program: A graphical REPL and development environment for Haskell (bsd3, program)
GuiTV library: GUIs for Tangible Values (bsd3, library)
H program: The Haskell/R mixed programming environment. (bsd3, program)
HARM library and programs: A simple ARM emulator in haskell (library, program)
HAppS-Data library: HAppS data manipulation libraries (bsd3, deprecated, library)
HAppS-IxSet library: (bsd3, deprecated, library)
HAppS-Server library: Web related tools and services. (bsd3, deprecated, library)
HAppS-State library: Event-based distributed state. (bsd3, deprecated, library)
HAppS-Util library: Web framework (bsd3, deprecated, library)
HAppSHelpers library: OBSOLETE. Please use happstack-helpers (bsd3, deprecated, library)
HCL library and program: High-level library for building command line interfaces. (bsd3, library, program)
HCard library: A library for implementing a Deck of Cards (bsd3, library)
HCodecs library and test: A library to read, write and manipulate MIDI, WAVE, and SoundFont2 files. (bsd3, library, test)
HDBC library: Haskell Database Connectivity (bsd3, library)
HDBC-mysql library: MySQL driver for HDBC (lgpl, library)
HDBC-odbc library: ODBC driver for HDBC (bsd3, library)
HDBC-postgresql library: PostgreSQL driver for HDBC (bsd3, library)
HDBC-postgresql-hstore library: Manipulate data in PostgreSQL "hstore" columns. (deprecated, library, mit)
HDBC-session library: Bracketed connection for HDBC (bsd3, library)
HDBC-sqlite3 library: Sqlite v3 driver for HDBC (bsd3, library)
HDRUtils library: Utilities for reading, manipulating, and writing HDR images (bsd3, library)
HERA library: (bsd3, library)
HFitUI library, program and test: The library for generating a graphical interface on the web (bsd3, library, program, test)
HFrequencyQueue library: A Queue with a random (weighted) pick function (gpl, library)
HFuse library: HFuse is a binding for the Linux FUSE library. (bsd3, library)
HGE2D library, programs and test: 2D game engine written in Haskell (library, mit, program, test)
HGL library: A simple graphics library based on X11 or Win32 (bsd3, library)
HGamer3D library: Toolset for the Haskell Game Programmer (library)
HGamer3D-API library: Library to enable 3D game development for Haskell - API (deprecated, library)
HGamer3D-Audio library: Toolset for the Haskell Game Programmer - Audio Functionality (deprecated, library)
HGamer3D-Bullet-Binding library: Windows Game Engine for the Haskell Programmer - Bullet Bindings (deprecated, library)
HGamer3D-CAudio-Binding library: Library to enable 3D game development for Haskell - cAudio Bindings (deprecated, library)
HGamer3D-CEGUI-Binding library: A Toolset for the Haskell Game Programmer - CEGUI Bindings (deprecated, library)
HGamer3D-Common library: Toolset for the Haskell Game Programmer - Game Engine and Utilities (deprecated, library)
HGamer3D-Data library: Toolset for the Haskell Game Programmer - Data Definitions (deprecated, library)
HGamer3D-Enet-Binding library: Enet Binding for HGamer3D (deprecated, library)
HGamer3D-GUI library: GUI Functionality for HGamer3D (deprecated, library)
HGamer3D-Graphics3D library: Toolset for the Haskell Game Programmer - 3D Graphics Functionality (deprecated, library)
HGamer3D-InputSystem library: Joystick, Mouse and Keyboard Functionality for HGamer3D (deprecated, library)
HGamer3D-Network library: Networking Functionality for HGamer3D (deprecated, library)
HGamer3D-OIS-Binding library: Library to enable 3D game development for Haskell - OIS Bindings (deprecated, library)
HGamer3D-Ogre-Binding library: Ogre Binding for HGamer3D (deprecated, library)
HGamer3D-SDL2-Binding library: SDL2 Binding for HGamer3D (deprecated, library)
HGamer3D-SFML-Binding library: SFML Binding for HGamer3D (deprecated, library)
HGamer3D-WinEvent library: Windowing and Event Functionality for HGamer3D (deprecated, library)
HGamer3D-Wire library: Wire Functionality for HGamer3D (deprecated, library)
HGraphStorage library, test and benchmark: Graph database stored on disk (benchmark, bsd3, library, test)
HHDL library: Hardware Description Language embedded in Haskell. (bsd3, library)
HJScript library: HJScript is a Haskell EDSL for writing JavaScript programs. (bsd3, library)
HJVM library and test: A library to create a Java Virtual Machine and manipulate Java objects (bsd3, library, test)
HJavaScript library: HJavaScript is an abstract syntax for a typed subset of JavaScript. (bsd3, library)
HLearn-algebra library: Algebraic foundation for homomorphic learning (bsd3, deprecated, library)
HLearn-approximation library: (bsd3, deprecated, library)
HLearn-classification library: (bsd3, deprecated, library)
HLearn-datastructures library: (bsd3, deprecated, library)
HLearn-distributions library: Distributions for use with the HLearn library (bsd3, deprecated, library)
HList library and tests: Heterogeneous lists (library, mit, test)
HListPP program: A preprocessor for HList labelable labels (bsd3, program)
HLogger library and program: Simple, concurrent and easy-to-use logging library (bsd3, deprecated, library, program)
HMM library: A hidden markov model library (bsd3, library)
HMap library: Fast heterogeneous maps and unconstrained typeable like functionality. (bsd3, library)
HMarkov library and test: Markov-generated sequences (bsd3, library, test)
HNM library and program: Happy Network Manager (bsd3, library, program)
HODE library: Binding to libODE (bsd3, library)
HOpenCV library and program: A binding for the OpenCV computer vision library (gpl, library, program)
HPDF library and test: Generation of PDF documents (bsd3, library, test)
HPath library and program: Extract Haskell declarations by name. (bsd3, library, program)
HPhone library and test: Phone number parser and validator - This is now DEPRECATED! (deprecated, library, test)
HPi library: GPIO, I2C and SPI functions for the Raspberry Pi. (bsd3, library)
HPlot library and program: A minimal monadic PLplot interface for Haskell (bsd3, library, program)
HPong program: A simple OpenGL Pong game based on GLFW (gpl, program)
HROOT library: Haskell binding to the ROOT data analysis framework (lgpl, library)
HROOT-core library: Haskell binding to ROOT Core modules (lgpl, library)
HROOT-graf library: Haskell binding to ROOT Graf modules (lgpl, library)
HROOT-hist library: Haskell binding to ROOT Hist modules (lgpl, library)
HROOT-io library: Haskell binding to ROOT IO modules (lgpl, library)
HROOT-math library: Haskell binding to ROOT Math modules (lgpl, library)
HROOT-tree library: Haskell binding to ROOT Tree modules (lgpl, library)
HRay program: Haskell raytracer (bsd3, program)
HSFFIG library and programs: Generate FFI import declarations from C include files (bsd3, library, program)
HSGEP library and program: Gene Expression Programming evolutionary algorithm in Haskell (bsd3, library, program)
HSH library: Library to mix shell scripting with Haskell programs (lgpl, library)
HSHHelpers library: Convenience functions that use HSH, instances for HSH. (gpl, library)
HSet library: Faux heterogeneous sets (bsd3, library)
HSlippyMap library: OpenStreetMap (OSM) Slippy Map (bsd3, library)
HSmarty library and test: Small template engine (bsd3, library, test)
HSoM library: Library for computer music education (bsd3, library)
HSoundFile library: Audio file reading/writing (bsd3, deprecated, library)
HStringTemplate library: StringTemplate implementation in Haskell. (bsd3, library)
HStringTemplateHelpers library: Convenience functions and instances for HStringTemplate (gpl, library)
HSvm library: Haskell Bindings for libsvm (bsd3, library)
HTF library, program and tests: The Haskell Test Framework (lgpl, library, program, test)
HTTP library and test: A library for client-side HTTP (bsd3, library, test)
HTTP-Simple library: DEPRECATED Enable simple wrappers to Network.HTTP (bsd3, deprecated, library)
HTab program: Tableau based theorem prover for hybrid logics (gpl, program)
HTicTacToe program: An SDL tic-tac-toe game. (mit, program)
HUnit library and test: A unit testing framework for Haskell (bsd3, library, test)
HUnit-Diff library: Assertions for HUnit with difference reporting (bsd3, deprecated, library)
HUnit-Plus library and test: A test framework building on HUnit. (bsd3, library, test)
HUnit-approx library and test: Approximate equality for floating point numbers with HUnit (bsd3, library, test)
HXMPP library and program: A (prototyped) easy to use XMPP library (bsd3, deprecated, library, program)
HXQ library: A Compiler from XQuery to Haskell (bsd3, library)
HaLeX library and program: HaLeX enables modelling, manipulation and visualization of regular languages (library, program, public-domain)
HaMinitel library: An Haskell library to drive the french Minitel through a serial port (gpl, library)
HaPy library: Haskell bindings for Python (library, mit)
HaRe : the Haskell Refactorer. (bsd3)
HaTeX library and tests: The Haskell LaTeX library. (bsd3, library, test)
HaTeX-meta program: This package is deprecated. From version 3, HaTeX does not need this anymore. (bsd3, deprecated, program)
HaTeX-qq library: Quasiquoters for HaTeX (bsd3, library)
HaVSA library and program: An implementation of the Version Space Algebra learning framework. (bsd3, library, program)
HaXml library and programs: Utilities for manipulating XML documents (lgpl, library, program)
Hach library and programs: Simple chat (library, mit, program)
HackMail library and program: A Procmail Replacement as Haskell EDSL (bsd3, library, program)
Haggressive library and test: Aggression analysis for Tweets on Twitter (gpl, library, test)
HandlerSocketClient library: Haskell implementation of a HandlerSocket client (API). (bsd3, library)
HandsomeSoup library and test: Work with HTML more easily in HXT (bsd3, library, test)
Hangman program and test: The classic game of Hangman. (gpl, program, test)
HarmTrace program: Harmony Analysis and Retrieval of Music (gpl, program)
HarmTrace-Base library and test: Parsing and unambiguously representing musical chords. (lgpl, library, test)
HasCacBDD library and tests: Haskell bindings for CacBDD (gpl, library, test)
HasGP library: A Haskell library for inference using Gaussian processes (gpl, library)
Haschoo program: Minimalist R5RS Scheme interpreter (bsd3, deprecated, program)
Hashell program: Simple shell written in Haskell (gpl, program)
HaskRel library: HaskRel, Haskell as a DBMS with support for the relational algebra (RDBMS, gpl, library)
HaskellForMaths library: Combinatorics, group theory, commutative algebra, non-commutative algebra (bsd3, library)
HaskellLM library: Pure Haskell implementation of the Levenberg-Marquardt algorithm (gpl, library)
HaskellNN library: High Performance Neural Network in Haskell (gpl, library)
HaskellNet library: Client support for POP3, SMTP, and IMAP (bsd3, library)
HaskellNet-SSL library: Helpers to connect to SSL/TLS mail servers with HaskellNet (bsd3, library)
HaskellTorrent program: A concurrent bittorrent client (bsd3, program)
HaskellTutorials program: Haskell Tutorials by Evgeny Ukhanov (mit, program, tutorial)
Haskelloids program: A reproduction of the Atari 1979 classic "Asteroids" (bsd3, program)
Hastodon library: mastodon client module for Haskell (library, mit)
Hate library and programs: A small 2D game framework. (game, graphics, library, mit, program)
Hawk library: Haskell Web Application Kit (bsd3, library)
Hayoo programs: The Hayoo! search engine for Haskell API search on hackage (mit, program)
Hclip library: A small cross-platform library for reading and modifying the system clipboard. (bsd3, library)
Hedi library and program: Line oriented editor (bsd3, library, program)
HerbiePlugin library and tests: automatically improve your code's numeric stability (bsd3, library, test)
Hermes library: Message-based middleware layer (bsd3, deprecated, library)
Hieroglyph library: Purely functional 2D graphics for visualization. (bsd3, library)
HiggsSet library: A multi-index set with advanced query capabilites (bsd3, deprecated, library)
Hipmunk library: A Haskell binding for Chipmunk. (deprecated, library)
Hipmunk-Utils library and test: Useful functions for Hipmunk (bsd3, library, test)
HipmunkPlayground program: A playground for testing Hipmunk. (program)
Hish library and program: (bsd3, library, program)
Histogram library: (bsd3, library)
Hmpf program: An MPD client designed for a Home Theatre PC (gpl, program)
Hoed library: Lightweight algorithmic debugging. (bsd3, library)
HoleyMonoid library: Monoids with holes. (bsd3, library)
Holumbus-Distribution library and programs: intra- and inter-program communication (library, program)
Holumbus-MapReduce library and programs: a distributed MapReduce framework (library, program)
Holumbus-Searchengine library: A search and indexing engine. (library, mit)
Holumbus-Storage library and programs: a distributed storage system (library, program)
Homology library: Compute the homology of a chain complex (gpl, library)
HongoDB library and test: A Simple Key Value Store (bsd3, library, test)
HostAndPort library, tests and benchmark: Parser for host and port pairs like localhost:22 (benchmark, library, mit, test)
Hricket program: A Cricket scoring application. (bsd3, program)
Hs2lib library, programs and tests: A Library and Preprocessor that makes it easier to create shared libs from Haskell programs. (bsd3, library, program, test)
HsASA library: A haskell interface to Lester Ingber's adaptive simulating annealing code (bsd3, library)
HsHTSLib library: High level bindings to htslib. (library, mit)
HsHaruPDF library: Haskell binding to libharu (http://libharu.sourceforge.net/) (bsd3, library)
HsHyperEstraier library: HyperEstraier binding for Haskell (library, public-domain)
HsJudy library: Judy bindings, and some nice APIs (bsd3, library)
HsOpenSSL library and tests: Partial OpenSSL binding for Haskell (library, public-domain, test)
HsOpenSSL-x509-system library: Use the system's native CA certificate store with HsOpenSSL (bsd3, library)
HsParrot library: Haskell integration with Parrot virtual machine (bsd3, library)
HsPerl5 library: Haskell interface to embedded Perl 5 interpreter (bsd3, library)
HsSVN library: Partial Subversion (SVN) binding for Haskell (cc0, library, public-domain, subversion)
HsSyck library: Fast, lightweight YAML loader and dumper (library, mit)
HsTools library: Haskell helper functions (bsd3, library)
Hsed library and program: Stream Editor in Haskell (bsd3, library, program)
Hsmtlib library: Haskell library for easy interaction with SMT-LIB 2 compliant solvers. (bsd3, library)
HueAPI library: API for controlling Philips Hue lights (bsd3, library)
HulkImport library, program and test: Easily bulk import CSV data to SQL Server (bsd3, library, program, test)
Hungarian-Munkres library, test and benchmark: A Linear Sum Assignment Problem (LSAP) solver (benchmark, gpl, library, test)
Hydrogen library, program and test: The library for generating a WebGL scene for the web (bsd3, library, program, test)
IDynamic library: Indexable, serializable form of Data.Dynamic (bsd3, library)
IFS library and program: Iterated Function System generation for Haskell (bsd3, library, program)
INblobs program: Editor and interpreter for Interaction Nets (lgpl, program)
IOR library: Region based resource management for the IO monad. (bsd3, library)
IORefCAS library and test: Atomic compare and swap for IORefs and STRefs. (bsd3, deprecated, library, test)
IOSpec library: A pure specification of the IO monad. (bsd3, library)
IPv6Addr library and test: Library to deal with IPv6 address text representations. (bsd3, library, test)
IPv6DB library, program and test: A RESTful Web Service for IPv6-related data (bsd3, library, program, test)
IcoGrid library: Library for generating grids of hexagons and pentagons mapped to a sphere. (gpl, library)
IfElse library: Anaphoric and miscellaneous useful control-flow (bsd3, library)
Imlib library: (bsd3, library)
ImperativeHaskell library: A library for writing Imperative style haskell. (gpl, library)
IndentParser library: Combinators for parsing indentation based syntatic structures (deprecated, gpl, library)
IndexedList library: Length- and element-indexed lists sitting somewhere between homogeneous and fully heterogeneous. (bsd3, library)
InfixApplicative library: liftA2 for infix operators. (bsd3, library)
Interpolation library: Multiline strings, interpolation and templating. (library)
Interpolation-maxs library: Multiline strings, interpolation and templating. (library)
IntervalMap library, tests and benchmarks: Containers for intervals, with efficient search. (benchmark, bsd3, library, test)
Irc library and test: DSL for IRC bots (gpl, library, test)
IrrHaskell library: Haskell FRP binding to the Irrlicht game engine. (lgpl, library)
IsNull library and test: A typeclass to determine if a given value is null. (bsd3, library, test)
JSON-Combinator library: A combinator library on top of a generalised JSON type (bsd3, deprecated, library)
JSON-Combinator-Examples library: Example uses of the JSON-Combinator library. (bsd3, deprecated, library)
JSONParser library: Parse JSON (bsd3, library)
JSONb library: JSON parser that uses byte strings. (bsd3, library)
JYU-Utils library: Some utility functions for JYU projects (library, mit)
JackMiniMix library: control JackMiniMix (deprecated, gpl, library)
Javasf program: A utility to print the SourceFile attribute of one or more Java class files. (bsd3, deprecated, program)
Javav program: A utility to print the target version of Java class files. (bsd3, deprecated, program)
Jdh library: A Json implementation for Haskell, with JavaScript Values and Encoding/Decoding (library, mit)
JsContracts library and program: Design-by-contract for JavaScript (bsd3, library, program)
JsonGrammar library and test: Combinators for bidirectional JSON parsing (bsd3, library, test)
JuicyPixels library: Picture loading/serialization (in png, jpeg, bitmap, gif, tga, tiff and radiance) (bsd3, library)
JuicyPixels-canvas library: Functions for drawing lines, squares and so on pixel by pixel (bsd3, library)
JuicyPixels-extra library, test and benchmark: Efficiently scale, crop, flip images with JuicyPixels (benchmark, bsd3, library, test)
JuicyPixels-repa library: Convenience functions to obtain array representations of images. (bsd3, library)
JuicyPixels-scale-dct library and test: Scale JuicyPixels images with DCT (bsd3, library, test)
JuicyPixels-util library: Convert JuicyPixel images into RGBA format, flip, trim and so on (bsd3, library)
JunkDB library: (bsd3, library)
JunkDB-driver-gdbm library: (bsd3, library)
JunkDB-driver-hashtables library: (bsd3, library)
JustParse library: A simple and comprehensive Haskell parsing library (library, public-domain)
KMP library and test: Knuth–Morris–Pratt string searching algorithm (bsd3, library, test)
KSP library: A library with the kerbal space program universe and demo code (library, public-domain)
Kalman library: A slightly extended Kalman filter (bsd3, deprecated, library)
KdTree library and program: KdTree, for efficient search in K-dimensional point clouds. (bsd3, library, program)
Ketchup library: A super small web framework for those who don't like big and fancy codebases (library, mit)
KiCS library and programs: A compiler from Curry to Haskell (library, program)
KiCS-debugger library and program: debug features for kics (library, program)
KiCS-prophecy library and program: a transformation used by the kics debugger (library, program)
Kleislify library: Variants of Control.Arrow functions, specialised to kleislis. (bsd3, library)
Konf library: A configuration language and a parser. (library)
Kriens library: Category for Continuation Passing Style (bsd3, library)
KyotoCabinet library: Kyoto Cabinet DB bindings (bsd3, library)
L-seed library and program: Plant growing programming game (bsd3, library, program)
LATS library: Linear Algebra on Typed Spaces (bsd3, library)
LDAP library and test: Haskell binding for C LDAP API (bsd3, library, test)
LRU library: Implements an LRU data structure (bsd3, deprecated, library)
LTree library: Tree with only leaves carrying the data. (library, public-domain)
LambdaCalculator program: A basic lambda calculator with beta reduction and a REPL (bsd3, program)
LambdaDB library, program and test: On-memory Database using Lambda Function environment. (bsd3, library, program, test)
LambdaHack library, program and test: A game engine library for roguelike dungeon crawlers (bsd3, library, program, test)
LambdaINet program: Graphical Interaction Net Evaluator for Optimal Evaluation (bsd3, program)
LambdaNet library: A configurable and extensible neural network library (library, mit)
LambdaPrettyQuote library and test: Quasiquoter, and Arbitrary helpers for the lambda calculus. (bsd3, library, test)
LambdaShell program: Simple shell for evaluating lambda expressions (gpl, program)
Lambdajudge library and test: A library to easily host Haskell based programming competitions (library, mit, test)
Lambdaya library: Library for RedPitaya (lgpl, library)
LargeCardinalHierarchy library: A transfinite cardinal arithmetic library including all known large cardinals (library)
Lastik library: A library for compiling programs in a variety of languages (bsd3, deprecated, library)
Lattices library and test: A library for lattices (gpl, library, test)
Lazy-Pbkdf2 library, test and benchmark: Lazy PBKDF2 generator. (benchmark, library, mit, test)
LazyVault program: A simple sandboxing tool for Haskell packages. (gpl, program)
Level0 program: A Snake II clone written using SDL. (gpl, program)
LibClang library: Haskell bindings for libclang (a C++ parsing library) (bsd3, library)
LibZip library and test: Bindings to libzip, a library for manipulating zip archives. (bsd3, library, test)
Limit library: Wrapper for data that can be unbounded (library, mit)
LinearSplit library: Partition the sequence of items to the subsequences in the order given (bsd3, library)
LinguisticsTypes library, test and benchmark: Collection of types for natural language (benchmark, bsd3, library, test)
LinkChecker program: Check a bunch of local html files for broken links (bsd3, program)
List library: List monad transformer and class (bsd3, library)
ListLike library and test: Generic support for list-like structures (bsd3, library, test)
ListTree library: Trees and monadic trees expressed as monadic lists where the underlying monad is a list (bsd3, library)
ListWriter library and test: define a list constant using Monadic syntax other than overhead [,] (bsd3, library, test)
ListZipper library: Simple zipper for lists (bsd3, library)
Logic library: Logic (library, mit)
LogicGrowsOnTrees library, tests and benchmarks: a parallel implementation of logic programming using distributed tree exploration (benchmark, bsd3, library, test)
LogicGrowsOnTrees-MPI library: an adapter for LogicGrowsOnTrees that uses MPI (bsd3, library)
LogicGrowsOnTrees-network library and test: an adapter for LogicGrowsOnTrees that uses multiple processes running in a network (bsd3, library, test)
LogicGrowsOnTrees-processes library, test and benchmark: an adapter for LogicGrowsOnTrees that uses multiple processes for parallelism (benchmark, bsd3, library, test)
LslPlus program: An execution and testing framework for the Linden Scripting Language (LSL) (bsd3, program)
Lucu library: HTTP Daemonic Library (library, public-domain)
Lykah library and program: A static website and blog generator (library, mit, program)
MASMGen library and test: Generate MASM code from haskell (lgpl, library, test)
MBot library: Haskell interface for controlling the mBot educational robot (gpl, library)
MC-Fold-DP library and program: Folding algorithm based on nucleotide cyclic motifs. (gpl, library, program)
MFlow library: stateful, RESTful web framework (bsd3, library)
MHask library: The category of monads (bsd3, library)
MSQueue library: Michael-Scott queue. (bsd3, library)
MTGBuilder program: Builds decks out of a meta (mit, program)
MagicHaskeller library and programs: Automatic inductive functional programmer by systematic search (bsd3, library, program)
MailchimpSimple library: Haskell library to interact with Mailchimp JSON API Version 3.0 (Mailchimp, bsd3, library)
MaybeT library: MaybeT monad transformer (bsd3, library)
MaybeT-monads-tf library: MaybeT monad transformer compatible with monads-tf (deprecated) (bsd3, deprecated, library)
MaybeT-transformers library: MaybeT monad transformer using transformers instead of mtl. (bsd3, library)
MazesOfMonad program: Console-based Role Playing Game (bsd3, program)
MeanShift library: Mean shift algorithm (bsd3, library)
Measure library: A library for units of measurement (bsd3, library)
Mecha library: mecha are the most complex composite machines known to humanity, lets build them well! (bsd2, library)
Mechs library: mecha are the most complex composite machines known to humanity, lets build them well! (bsd2, library)
MemoTrie library: Trie-based memo functions (bsd3, library)
MetaHDBC library: Statically checked database access (lgpl, library)
MetaObject library: A meta-object system for Haskell based on Perl 6 (bsd3, library)
Metrics library: Evaluation metrics commonly used in supervised machine learning (bsd3, library)
Mhailist program: Haskell mailing list manager (bsd3, program)
Michelangelo library: OpenGL for dummies (library, mit)
MicrosoftTranslator library: Interface for Microsoft Translator (bsd3, library)
MiniAgda program: A toy dependently typed programming language with type-based termination. (program)
MissingH library and test: Large utility library (bsd3, library, test)
MissingK library: Useful types and definitions missing from other libraries (bsd3, library)
MissingM library and test: findM and other missing 'M's (bsd3, library, test)
MissingPy library: Haskell interface to Python (library, mit)
Modulo library: Modular arithmetic via Numeric-Prelude (gpl, library)
Moe library and program: A FRP library based on signal functions. (bsd3, library, program)
MoeDict library: Utilities working with MoeDict.tw JSON dataset (library, public-domain)
MonadCatchIO-mtl library: Monad-transformer version of the Control.Exception module (bsd3, deprecated, library)
MonadCatchIO-mtl-foreign library: Polymorphic combinators for working with foreign functions (bsd3, deprecated, library)
MonadCatchIO-transformers library: Monad-transformer compatible version of the Control.Exception module (bsd3, deprecated, library)
MonadCatchIO-transformers-foreign library: Polymorphic combinators for working with foreign functions (bsd3, deprecated, library)
MonadCompose library: Methods for composing monads. (bsd3, library)
MonadLab library and program: Automatically generate layered monads (bsd3, library, program)
MonadPrompt library: MonadPrompt, implementation & examples (bsd3, library)
MonadRandom library: Random-number generation monad. (bsd3, library)
MonadRandomLazy library: Lazy monad for psuedo random-number generation. (bsd3, library)
MonadStack library: Generalizing lift to monad stacks (bsd2, library)
Monadius program: 2-D arcade scroller (gpl, program)
Monaris program: A simple tetris clone (bsd3, program)
Monatron library: Monad transformer library with uniform liftings (bsd3, library)
Monatron-IO library: MonadIO instances for the Monatron transformers. (bsd3, library)
Monocle library: Symbolic computations in strict monoidal categories with LaTeX output. (bsd3, library)
MorseCode library: Morse code (gpl, library)
MuCheck library and test: Automated Mutation Testing (gpl, library, test)
MuCheck-HUnit library and program: Automated Mutation Testing for HUnit tests (gpl, library, program)
MuCheck-Hspec library and program: Automated Mutation Testing for Hspec tests (gpl, library, program)
MuCheck-QuickCheck library and program: Automated Mutation Testing for QuickCheck tests (gpl, library, program)
MuCheck-SmallCheck library and program: Automated Mutation Testing for SmallCheck tests (gpl, library, program)
Munkres library: Munkres' assignment algorithm (hungarian method) (bsd3, library)
Munkres-simple library: Simple and typesafe layer over the Munkres package. (bsd3, library)
MusicBrainz library: interface to MusicBrainz XML2 web service (gpl, library)
MusicBrainz-libdiscid library: Binding to libdiscid by MusicBrainz (lgpl, library)
MutationOrder library, program and test: Most likely order of mutation events in RNA (gpl, library, program, test)
MyPrimes library, program and benchmark: Generate all primes (benchmark, library, mit, program)
NGrams program: Simple application for calculating n-grams using Google. (bsd3, program)
NMap library: A transparent nested Map structure (lgpl, library)
NTRU library: NTRU Cryptography (gpl, library)
NXT library, programs and test: A Haskell interface to Lego Mindstorms NXT (lgpl, library, program, test)
NXTDSL library and program: Generate NXC Code from DSL (bsd3, library, program)
NameGenerator library: A name generator written in Haskell (gpl, library)
NanoProlog library and program: Very small interpreter for a Prolog-like language (bsd3, library, program)
NaturalLanguageAlphabets library, test and benchmark: Simple scoring schemes for word alignments (benchmark, bsd3, library, test)
NaturalSort : Natural sorting for strings (bsd3, deprecated)
NearContextAlgebra program: Context Algebra of near (bsd3, program)
Neks library and programs: Simple networked key/value store (library, mit, program)
NestedFunctor library: Nested composition of functors with a type index tracking nesting. (bsd3, library)
NestedSampling library: A port of John Skilling's nested sampling C code to Haskell. (gpl, library)
NetSNMP library and test: Bindings for net-snmp's C API for clients (bsd3, library, test)
Network-NineP library and program: High-level abstraction over 9P protocol (library, program)
NewBinary library: A binary I/O library (library)
NineP library: 9P2000 in pure Haskell (9p, bsd3, library)
Ninjas program: Ninja game (bsd3, program)
NoHoed library: Placeholder package to preserve debug ability via conditional builds (bsd3, library)
NoSlow programs: Microbenchmarks for various array libraries (bsd3, program)
NoTrace library and test: Remove all the functions come from Debug.Trace after debugging (library, mit, test)
Noise library: A Haskell coherent noise generator based on libnoise (bsd3, library)
Nomyx program: A Nomic game in haskell (bsd3, deprecated, program)
Nomyx-Core library: A Nomic game in haskell (bsd3, library)
Nomyx-Language library: Language to express rules for Nomic (bsd3, library)
Nomyx-Rules library: Language to express rules for Nomic (bsd3, deprecated, library)
Nomyx-Web library: Web gui for Nomyx (bsd3, library)
NonEmpty library: Library providing a non-empty list datatype, and total functions operating on it (bsd3, library)
NonEmptyList library: A list with a length of at least one. (bsd3, deprecated, library)
NumInstances library: Instances of numeric classes for functions and tuples (bsd3, library)
NumLazyByteString library: Num, Enum, Eq, Integral, Ord, Real, and Show instances for Lazy ByteStrings (bsd3, deprecated, library)
NumberSieves library: Number Theoretic Sieves: primes, factorization, and Euler's Totient (bsd3, library)
NumberTheory library and test: A library for number theoretic computations, written in Haskell. (gpl, library, test)
Numbers library: An assortment of number theoretic functions (lgpl, library)
Nussinov78 library and program: Nussinov78 using the ADPfusion library. (gpl, library, program)
Nutri library: A little library to calculate nutrition values of food items. (library, public-domain)
OGL library: A context aware binding for the OpenGL graphics system (bsd3, library)
OSM library: Parse OpenStreetMap files (bsd3, library)
OTP library and test: HMAC-Based and Time-Based One-Time Passwords (library, mit, test)
Object library: Object oriented programming for haskell using multiparameter typeclasses. (apache, library)
ObjectIO library: (bsd3, library)
ObjectName library: Explicitly handled object names (bsd3, library)
Obsidian library: Embedded language for GPU Programming (bsd3, library)
Octree library and tests: Simple unbalanced Octree for storing data about 3D points (bsd3, library, test)
OddWord library and test: Provides a wrapper for deriving word types with fewer bits. (bsd3, library, test)
Omega library and test: Integer sets and relations using Presburger arithmetic (bsd3, library, test)
OnRmt library, programs and test: Text UI library for performing parallel remote SSH operations (bsd3, library, program, test)
OneTuple library: Singleton Tuple (bsd3, library)
Only library: The 1-tuple type or single-value "collection" (bsd3, library)
OpenAFP library: IBM AFP document format parser and generator (library, public-domain)
OpenAFP-Utils programs: Assorted utilities to work with AFP data streams (program, public-domain)
OpenAL library: A binding to the OpenAL cross-platform 3D audio API (bsd3, library)
OpenCL library and test: Haskell high-level wrapper for OpenCL (bsd3, library, test)
OpenCLRaw library: The OpenCL Standard for heterogenous data-parallel computing (bsd3, library)
OpenCLWrappers library: The OpenCL Standard for heterogenous data-parallel computing (bsd3, library)
OpenGL library: A binding for the OpenGL graphics system (bsd3, library)
OpenGLCheck library: Quickcheck instances for various data structures. (bsd3, library)
OpenGLRaw library: A raw binding for the OpenGL graphics system (bsd3, library)
OpenGLRaw21 library: The intersection of OpenGL 2.1 and OpenGL 3.1 Core (deprecated, library)
OpenSCAD library and test: ADT wrapper and renderer for OpenSCAD models. (bsd3, library, test)
OpenVG library: OpenVG (ShivaVG-0.2.1) binding (bsd3, library)
OpenVGRaw library: Raw binding to OpenVG (ShivaVG-0.2.1 implementation). (bsd3, library)
Operads library: Groebner basis computation for Operads. (bsd3, library)
OptDir library: The OptDir type for representing optimization directions. (bsd3, library)
OrPatterns library: A quasiquoter for or-patterns (bsd3, library)
OrchestrateDB library and tests: Unofficial Haskell Client Library for the Orchestrate.io API (bsd3, library, test)
OrderedBits library, test and benchmark: Efficient ordered (by popcount) enumeration of bits (benchmark, bsd3, library, test)
Ordinals library: Ordinal arithmetic (bsd3, library)
PArrows library: Arrow parser combinators similar to Parsec (bsd3, library)
PBKDF2 library: Make password-based security schemes more secure. (bsd3, deprecated, library)
PCLT library: Extension to Show: templating, catalogizing, languages, parameters, etc. (deprecated, lgpl, library)
PCLT-DB library: An addon to PCLT package: enchance PCLT catalog with PostgreSQL powers. (deprecated, lgpl, library)
PDBtools library: A library for analysis of 3-D protein coordinates (gpl, library)
PPrinter library: A generic derivable Haskell pretty printer (bsd3, library, prettyprint)
PSQueue library: Priority Search Queue (bsd3, library)
PTQ programs: An implementation of Montague's PTQ. (lgpl, program)
PUH-Project library: This is a package which includes Assignments, Email, User and Reviews modules for Programming in Haskell course. (bsd3, library)
PageIO library and program: Page-oriented extraction and composition library (bsd3, library, program)
Paillier library and test: a simple Paillier cryptosystem (bsd3, library, test)
PandocAgda library and program: Pandoc support for literate Agda (bsd3, library, program)
Paraiso library and test: a code generator for partial differential equations solvers. (bsd3, library, test)
Parry library: A proven synchronization server for high performance computing. (gpl, library)
ParsecTools library: Parsec combinators for more complex objects. (gpl, library)
ParserFunction library: Parse and evaluate mathematical expressions. (bsd3, deprecated, library)
PartialTypeSignatures library: emulate partial type signatures with template haskell (bsd3, library)
PasswordGenerator library: Simple library for generating passwords (library, mit)
PastePipe library and program: CLI for pasting to lpaste.net (gpl, library, program)
PathTree library and test: A tree used to merge and maintain paths (bsd3, library, test)
Pathfinder library: Relational optimiser and code generator (bsd3, library)
Peano library: simple Peano numbers (bsd3, library)
PeanoWitnesses library: GADT type witnesses for Peano-style natural numbers. (bsd3, library)
PerfectHash library: A perfect hashing library for mapping bytestrings to values. (bsd3, library)
PermuteEffects library: Permutations of effectful computations (bsd3, library)
Phsu program: Personal Happstack Server Utils (gpl, program)
Pipe library: Process piping library (bsd3, deprecated, library)
Piso library: Partial isomorphisms (bsd3, library)
PlayHangmanGame program: Play Hangman Game (bsd3, program)
PlayingCards library: Playing cards api (bsd3, library)
Plot-ho-matic library: Real-time line plotter for generic data (bsd3, library)
PlslTools program: So far just a lint like program for PL/SQL. Diff and refactoring tools are planned (bsd3, program)
Plural library: Pluralize English words (gpl, library)
Pollutocracy program: An imaginary world (gpl, program)
PortFusion program: high-performance distributed reverse / forward proxy & tunneling for TCP (gpl, program)
PortMidi library: A binding for PortMedia/PortMidi (bsd3, library)
PostgreSQL library: Thin wrapper over the C postgresql library (library)
PrimitiveArray library and test: Efficient multidimensional arrays (bsd3, library, test)
PrimitiveArray-Pretty library and test: Pretty-printing for primitive arrays (bsd3, library, test)
Printf-TH library: (lgpl, library)
PriorityChansConverger library: Read single output from an array of inputs - channels with priorities (lgpl, library)
ProbabilityMonads library: Probability distribution monads. (bsd3, library)
PropLogic library and program: Propositional Logic (bsd3, library, program)
Proper library and programs: An implementation of propositional logic in Haskell (bsd3, library, program)
ProxN library: Proximity sets in N dimensions (bsd3, library)
Pugs program: A Perl 6 Implementation (bsd3, program)
Pup-Events library and program: A networked event handling framework for hooking into other programs. (gpl, library, program)
Pup-Events-Client library: A networked event handling framework for hooking into other programs. (gpl, library)
Pup-Events-Demo programs: A networked event handling framework for hooking into other programs. (gpl, program)
Pup-Events-PQueue library: A networked event handling framework for hooking into other programs. (gpl, library)
Pup-Events-Server library: A networked event handling framework for hooking into other programs. (gpl, library)
QIO library: The Quantum IO Monad is a library for defining quantum computations in Haskell (bsd3, library)
QLearn library: A library for fast, easy-to-use Q-learning. (library, mit)
QuadEdge library: QuadEdge structure for representing triangulations (bsd3, library)
QuadTree library and test: QuadTree library for Haskell, with lens support. (bsd3, library, test)
QuasiText library: A QuasiQuoter for Text. (bsd3, library)
Quelea library: Programming with Eventual Consistency over Cassandra. (bsd3, library)
QuickAnnotate library and program: Annotation Framework (bsd3, library, program)
QuickCheck library: Automatic testing of Haskell programs (bsd3, library)
QuickCheck-GenT library: A GenT monad transformer for QuickCheck library. (library, mit)
QuickCheck-safe library: Safe reimplementation of QuickCheck's core (library, mit)
QuickCheckVariant library: Generator of "valid" and "invalid" data in a type class (gpl, library)
QuickPlot library: Quick and easy data visualization with Haskell (gpl, library)
Quickson library: Quick JSON extractions with Aeson (bsd3, deprecated, library)
R-pandoc library and program: A pandoc filter to express R plots inside markdown (bsd3, library, program)
RANSAC library and test: The RANSAC algorithm for parameter estimation. (bsd3, library, test)
RBTree library: Pure haskell Red-Black-Tree implemetation (bsd3, library)
RESTng library: A framework for writing RESTful applications. (library)
RFC1751 library and test: RFC-1751 library for Haskell (library, public-domain, test)
RJson library: A reflective JSON serializer/parser. (bsd3, library)
RMP library and programs: Binding to code that controls a Segway RMP (bsd3, library, program)
RNAFold library and programs: RNA secondary structure prediction (gpl, library, program)
RNAFoldProgs programs: RNA secondary structure folding (gpl, program)
RNAdesign library and program: Multi-target RNA sequence design (gpl, library, program)
RNAdraw library and program: Draw RNA secondary structures (gpl, library, program)
RNAlien library and programs: Unsupervized construction of RNA family models (gpl, library, program)
RNAwolf library and programs: RNA folding with non-canonical basepairs and base-triplets. (gpl, library, program)
RSA library and test: Implementation of RSA, using the padding schemes of PKCS#1 v2.1. (bsd3, library, test)
Raincat program: A puzzle game written in Haskell with a cat in lead role (bsd3, program)
Random123 library, test and benchmark: Haskell port of Random123 library (benchmark, library, mit, test)
RandomDotOrg library: Interface to random.org (deprecated, library, public-domain)
Randometer program: Randomness intuition trainer (mit, program)
Range library: Data structure for managing ranges (bsd3, library)
Ranged-sets library: Ranged sets for Haskell (bsd3, library)
Ranka program: HTTP to XMPP omegle chats gate. (gpl, program)
Rasenschach program: Soccer simulation (bsd3, program)
Rasterific library: A pure haskell drawing engine. (bsd3, library)
ReadArgs library, program and test: Simple command line argument parsing (bsd3, library, program, test)
Redmine library and test: Library to access Redmine's REST services (library, mit, test)
Ref library: Generic Mutable Ref Abstraction Layer (bsd3, library)
RefSerialize library: Write to and read from ByteStrings maintaining internal memory references (bsd3, library)
Referees library and program: A utility for computing distributions of material to review among reviewers. (gpl, library, program)
RepLib library: Generic programming library with representation types (bsd3, library)
ReplicateEffects library: Composable replication schemes of applicative functors (bsd3, library)
ReviewBoard library and programs: Haskell bindings to ReviewBoard (bsd3, library, program)
RichConditional library: Tiny library to replace classic if/else (library, mit)
Rlang-QQ library and tests: quasiquoter for inline-R code (bsd3, deprecated, library, test)
RollingDirectory program and test: Limits the size of a directory's contents (gpl, program, test)
RoyalMonad library: All hail the Royal Monad! (bsd3, library)
RtMidi library: (library, mit)
RxHaskell library: Reactive Extensions for Haskell (library, mit)
SBench library: A benchmark suite for runtime and heap measurements over a series of inputs. (bsd3, library)
SCalendar library: XXXX (deprecated, library, mit)
SConfig library: A simple config library (deprecated, library, mit)
SDL library: Binding to libSDL (bsd3, library)
SDL-gfx library: Binding to libSDL_gfx (bsd3, library)
SDL-image library: Binding to libSDL_image (bsd3, library)
SDL-mixer library: Binding to libSDL_mixer (bsd3, library)
SDL-mpeg library: Binding to the SMPEG library (bsd3, library)
SDL-ttf library: Binding to libSDL_ttf (bsd3, library)
SDL2-ttf library: Binding to libSDL-ttf (deprecated, library, mit)
SFML library: SFML bindings (library, mit)
SFML-control library: Higher level library on top of SFML (library, mit)
SFont library: SFont SDL Bitmap Fonts (bsd3, deprecated, library)
SG library: Small geometry library for dealing with vectors and collision detection (bsd3, library)
SGdemo program: An example of using the SG and OpenGL libraries (gpl, program)
SGplus library: (updated) Small geometry library for dealing with vectors and collision detection (bsd3, library)
SHA library and test: Implementations of the SHA suite of message digest functions (bsd3, library, test)
SHA2 library: Fast, incremental SHA hashing for bytestrings (bsd3, library)
SMTPClient library: A simple SMTP client library (bsd3, library)
SNet library: Declarative coördination language for streaming networks. (lgpl, library)
SQLDeps library: Calculate db-data dependencies of functions (bsd3, library)
SSTG library, program and test: STG Symbolic Execution (bsd3, library, program, test)
STL library: STL 3D geometry format parsing and pretty-printing (bsd3, library)
STMonadTrans library and test: A monad transformer version of the ST monad (bsd3, library, test)
SVG2Q program: Code generation tool for Quartz code from a SVG. (bsd3, program)
SVGFonts library: Fonts from the SVG-Font format (bsd3, library)
SVGPath library: Parsing the path command of SVG (bsd3, library)
SWMMoutGetMB library: A parser for SWMM 5 binary .OUT files (lgpl, library)
SableCC2Hs library and program: Generate a parser (in Haskell) with the SableCC parser generator. (bsd3, library, program)
Safe library: Library for safe (pattern match free) functions (bsd3, deprecated, library)
SafeSemaphore library and test: Much safer replacement for QSemN, QSem, and SampleVar (bsd3, library, test)
Salsa library: A .NET Bridge for Haskell (bsd3, library)
Saturnin library, program and tests: Saturnin CI / Job System (bsd3, library, program, test)
SciFlow library: Scientific workflow management system (library, mit)
ScratchFs program: Size limited temp filesystem based on fuse (gpl, program)
Scurry program: A cross platform P2P VPN application built using Haskell. (bsd3, program)
SegmentTree library: Data structure for querying the set (or count) of intervals covering given point (bsd3, library)
SelectSequencesFromMSA library and program: SelectSequences is a tool for selection of a represenative subset of sequences from a multiple sequence alignment in clustal format. (gpl, library, program)
Semantique program: Command-line tool for maintaining the Semantique database. (program, public-domain)
Semigroup library: A semigroup (bsd3, library)
SeqAlign library: Sequence Alignment (bsd3, deprecated, library)
SessionLogger library: Easy Loggingframework (lgpl, library)
ShellCheck library, program and test: Shell script analysis tool (gpl, library, program, test)
Shellac library: A framework for creating shell envinronments (bsd3, library)
Shellac-compatline library: "compatline" backend module for Shellac (bsd3, library)
Shellac-editline library: Editline backend module for Shellac (bsd3, library)
Shellac-haskeline library: Haskeline backend module for Shellac (bsd3, library)
Shellac-readline library: Readline backend module for Shellac (bsd3, library)
ShortestPathProblems library and test: grammars for TSP and SHP (bsd3, library, test)
ShowF library: Show for * -> * (bsd3, library)
Shrub library: 4-way trie fuzzy search (bsd3, library)
Shu-thing program: A vector shooter game (bsd3, program)
SimpleAES library: Fast AES encryption/decryption for bytestrings (bsd3, library)
SimpleEA library: Simple evolutionary algorithm framework. (bsd3, library)
SimpleGL library: A Simple Graphics Library from the SimpleH framework. (bsd3, deprecated, library)
SimpleH library: A light, clean and powerful Haskell utility library (deprecated, library)
SimpleLog library: Simple, configurable logging (bsd3, library)
SimpleServer library and program: A simple static file server, for when apache is overkill (library, mit, program)
SimpleTableGenerator library and test: Simple table generator (gpl, library, test)
Sit program: Prototypical type checker for Type Theory with Sized Natural Numbers (program)
SizeCompare library: Fast size comparison for standard containers. (gpl, library)
Slides library and test: Generate slides from Haskell code (library, mit, test)
Smooth library: A tiny, lazy SMT solver (bsd3, library)
SmtLib library: Library for parsing SMTLIB2 (library, mit)
Snusmumrik programs: E-library directory based on FUSE virtual file system. (bsd3, deprecated, program)
SoOSiM library: Abstract full system simulator (bsd3, library)
SoccerFun library and program: Football simulation framework for teaching functional programming (bsd3, library, program)
SoccerFunGL library and programs: OpenGL UI for the SoccerFun framework (bsd3, library, program)
Sonnex library and test: Sonnex is an alternative to Soundex for french language (gpl, library, test)
SourceGraph program: Static code analysis using graph-theoretic techniques. (gpl, program)
Southpaw library: Assorted utility modules (library, mit, utilities)
SpaceInvaders program: Video game (bsd3, program)
SpacePrivateers program: Simple space pirate roguelike (bsd3, program)
SpinCounter library: Lock free Spin Counter (bsd3, library)
Spintax library: Random text generation based on spintax (bsd3, library)
Spock library and test: Another Haskell web framework for rapid development (bsd3, library, test)
Spock-api library: Another Haskell web framework for rapid development (bsd3, library)
Spock-api-ghcjs library: Another Haskell web framework for rapid development (bsd3, library)
Spock-api-server library: Another Haskell web framework for rapid development (bsd3, library)
Spock-auth library: Provides authentification helpers for Spock (bsd3, deprecated, library)
Spock-core library and test: Another Haskell web framework for rapid development (bsd3, library, test)
Spock-digestive library: Digestive functors support for Spock (library, mit)
Spock-lucid library: Lucid support for Spock (bsd3, library)
Spock-worker library and test: Background workers for Spock (library, mit, test)
SpreadsheetML library: Write support for Excel's SpreadsheetML format (bsd3, library)
Sprig library: Binding to Sprig (bsd3, deprecated, library)
Stack library: Stack data structure (bsd3, library)
Stasis library and program: A simple MVCC like library (bsd3, library, program)
StateVar library: State variables (bsd3, library)
StateVar-transformer library: State variables (bsd3, library)
StatisticalMethods library: Collection of useful statistical methods. (gpl, library)
StockholmAlignment library: Libary for Stockholm aligmnent format (gpl, library)
Stomp library: Client library for Stomp brokers. (bsd3, library)
Strafunski-ATermLib library: An abstract data type designed for the exchange of tree-like data structures (bsd3, library)
Strafunski-Sdf2Haskell program: Converts SDF to Haskell (bsd3, program)
Strafunski-StrategyLib library: Library for strategic programming (bsd3, library)
StrappedTemplates library and test: General purpose templates in haskell (bsd3, library, test)
StrategyLib library: (all-rights-reserved, library)
Stream library: A library for manipulating infinite lists. (bsd3, library)
StrictBench library: Benchmarking code through strict evaluation (gpl, library)
StringUtils library: String manipulation utilities (lgpl, library)
SuffixStructures library, program and benchmark: Suffix array construction (benchmark, bsd3, library, program)
SybWidget library: Library which aids constructing generic (SYB3-based) widgets (lgpl, library)
SyntaxMacros library: Syntax Macros in the form of an EDSL (deprecated, lgpl, library)
Sysmon library: Sybase 15 sysmon reports processor (bsd3, library)
TBC library and program: Testing By Convention (bsd3, library, program)
TBit library: Utilities for condensed matter physics tight binding calculations. (bsd3, library)
TCache library: A Transactional cache with user-defined persistence (bsd3, library)
THEff library: TH implementation of effects. (bsd3, library)
TTTAS library: Typed Transformations of Typed Abstract Syntax (lgpl, library)
TV library: Tangible Values -- composable interfaces (bsd3, library)
TYB library: Template Your Boilerplate - a Template Haskell version of SYB (bsd3, library)
TableAlgebra library: Ferry Table Algebra (bsd3, library)
Tables program: A client for Quill databases (bsd3, program)
Tablify program: Tool to render CSV into tables of various formats (bsd3, program)
Tahin library and program: Tahin Password Generator (bsd3, library, program)
Tainted library: Tainted type, and associated operations (bsd3, library)
Takusen : Database library with left-fold interface, for PostgreSQL, Oracle, SQLite, ODBC. (bsd3)
Tape library: Bidirectionally infinite streams, akin to the tape of a Turing machine. (bsd3, library)
Taxonomy library: Libary for parsing, processing and vizualization of taxonomy data (gpl, library)
TaxonomyTools programs: Tool for parsing, processing, comparing and visualizing taxonomy data (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, test)
TeaHS library: TeaHS Game Creation Library (bsd3, deprecated, library)
Tensor library: Tensor data types (bsd3, library)
TernaryTrees library and program: Efficient pure ternary tree Sets and Maps (bsd3, library, program)
TestExplode library: Generates testcases from program-snippets (lgpl, library)
Theora library: (gpl, library)
Thingie library: Purely functional 2D drawing (bsd3, deprecated, library)
ThreadObjects library: Mutable objects that reside in their own threads. (gpl, library)
Thrift library: Haskell bindings for the Apache Thrift RPC system (library)
Tic-Tac-Toe program: Tic Tac Toe in your command line! (apache, program)
TicTacToe library: A sub-project (exercise) for a functional programming course (bsd3, library)
TigerHash library: TigerHash with C implementation (gpl, library)
TimePiece library and program: A simple tile-based digital clock screen saver (library, program, public-domain)
TinyLaunchbury library: Simple implementation of call-by-need using Launchbury's semantics (bsd3, library)
TinyURL library: Use TinyURL to compress URLs (bsd3, library)
Titim program: Game for Lounge Marmelade (gpl, program)
Top library and program: Constraint solving framework employed by the Helium Compiler. (gpl, library, program)
Tournament library and test: Tournament related algorithms (library, mit, test)
TraceUtils library: Functions that should have been in Debug.Trace (bsd3, library)
TransformeR library, program and test: eDSL in R for Safe Variable Transformarion (bsd3, deprecated, library, program, test)
TransformersStepByStep program: Tutorial on monad transformers. (bsd3, program)
Transhare library: A library to apply transformation to containers so as to maximize sharing of unchanged subcomponents. (bsd3, library)
TreeCounter library: Wait-free Tree Counter (bsd3, library)
TreeStructures library: A collection of heaps and search trees (bsd3, library)
TreeT library: Transformer for Data.Tree (library, public-domain)
Treiber library: Lock free Treiber stack (bsd3, library)
TrendGraph library: A simple trend Graph script (library, public-domain)
TrieMap library: Automatic type inference of generalized tries with Template Haskell. (bsd3, library)
Twofish library and test: An implementation of the Twofish Symmetric-key cipher. (bsd3, library, test)
TypeClass program: Typing speed game (bsd3, program)
TypeCompose library: Type composition classes & instances (bsd3, library)
TypeIlluminator program: TypeIlluminator is a prototype tool exploring debugging of type errors/ (bsd3, program)
TypeNat library: Some Nat-indexed types for GHC (library, mit)
TypingTester program: Command Line Typing speed tester (gpl, program)
UISF library: Library for Arrowized Graphical User Interfaces. (bsd3, library)
UMM program: A small command-line accounting tool (gpl, program)
URLT library: Library for maintaining correctness of URLs within an application. (bsd3, deprecated, library)
URLb library: DEPRECATED A simple, liberal URL parser. (bsd3, library)
UTFTConverter library, program and test: Processing popular picture formats into .c or .raw format in RGB565 (library, mit, program, test)
Unique library and test: It provides the functionality like unix "uniq" utility (bsd3, library, test)
Unixutils library: A crude interface between Haskell and Unix-like operating systems (bsd3, library)
Unixutils-shadow library: A simple interface to shadow passwords (aka, shadow.h) (bsd3, library)
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)
Useful library: Some useful functions and shorthands. (bsd3, library)
UtilityTM library: Utility functions that are missing from the standard library (bsd3, library)
VKHS library and program: Provides access to Vkontakte social network via public API (bsd3, library, program)
Validation library: A data-type like Either but with an accumulating Applicative (bsd3, deprecated, library)
Vec library: Fixed-length lists and low-dimensional linear algebra. (bsd3, library)
Vec-Boolean library: Provides Boolean instances for the Vec package (bsd3, library)
Vec-OpenGLRaw library: Instances and functions to interoperate Vec and OpenGL. (bsd3, library)
Vec-Transform library: This package is obsolete (bsd3, library)
VecN library: a simple peano-indexed vector type (bsd3, library)
Verba program: A solver for the WordBrain game (mit, program)
ViennaRNA-bindings library and test: ViennaRNA v2 bindings (library, test)
ViennaRNAParser library and test: Libary for parsing ViennaRNA package output (gpl, library, test)
Villefort library, program and test: Villefort is a task manager and time tracker written in haskell. (bsd3, library, program, test)
Vulkan library: A binding for the Vulkan API (bsd3, library)
WAVE library and program: WAVE audio file IO library (bsd3, library, program)
WL500gPControl programs: A simple command line tools to control the Asus WL500gP router (bsd3, program)
WL500gPLib library and program: A simple library to access to the WL 500gP router from the Haskell code (bsd3, library, program)
WMSigner library and test: WebMoney authentication module (library, mit, test)
WURFL library: Convert the WURFL file into a Parsec parser (bsd3, deprecated, library)
WXDiffCtrl library: WXDiffCtrl (bsd3, library)
WashNGo library and programs: WASH is a family of EDSLs for programming Web applications in Haskell. (bsd3, library, program)
WaveFront library: Parsers and utilities for the OBJ WaveFront 3D model format (library, mit)
Weather library: Library for interacting with the Weather Underground JSON API. (bsd3, library)
WebBits library: JavaScript analysis tools (bsd3, deprecated, library)
WebBits-Html library: JavaScript analysis tools (lgpl, library)
WebBits-multiplate library: A Multiplate instance for JavaScript. (library, mit)
WebCont library: Continuation based web programming for Happstack (bsd3, library)
WeberLogic library and program: Logic interpreter (bsd3, library, program)
Webrexp library and program: Regexp-like engine to scrap web data (bsd3, library, program)
Wheb library and test: The frictionless WAI Framework (bsd3, library, test)
WikimediaParser library: A parser for wikimedia style article markup. (bsd3, library)
Win32 library: A binding to part of the Win32 library (bsd3, library, win32, winapi)
Win32-console library: Binding to the Win32 console API (bsd3, library)
Win32-dhcp-server library: Win32 DHCP Server Management API (bsd3, library)
Win32-errors library: Alternative error handling for Win32 foreign calls (bsd3, library)
Win32-extras library: Provides missing Win32 API (bsd3, library)
Win32-junction-point library: Support for manipulating NTFS junction points. (bsd3, library)
Win32-notify library: A binding to part of the Win32 library for file notification (bsd3, library)
Win32-security library: Haskell bindings to a security-related functions of the Windows API (library, mit)
Win32-services library: Windows service applications (bsd3, library)
Win32-services-wrapper library: Wrapper code for making a Win32 service (bsd3, library)
Win32-shortcut library: Support for manipulating shortcuts (.lnk files) on Windows (bsd3, library)
Wired library: Wire-aware hardware description (bsd3, library)
WordAlignment library, program and test: Bigram word pair alignments. (gpl, library, program, test)
WordNet library: Haskell interface to the WordNet database (bsd3, library)
WordNet-ghc74 library: Haskell interface to the WordNet database (bsd3, library)
Wordlint library and program: Plaintext prose redundancy linter. (library, program)
Workflow library: Workflow patterns over a monad for thread state logging & recovery (bsd3, library)
WxGeneric library: Generic (SYB3) construction of wxHaskell widgets (lgpl, library)
X11 library: A binding to the X11 graphics library (bsd3, library)
X11-extras library: Missing bindings to the X11 graphics library (bsd3, library)
X11-rm library: A binding to the resource management functions missing from X11. (bsd3, library)
X11-xdamage library: A binding to the Xdamage X11 extension library (bsd3, library)
X11-xfixes library: A binding to the Xfixes X11 extension library (library, mit)
X11-xft library: Bindings to the Xft, X Free Type interface library, and some Xrender parts (lgpl, library)
X11-xshape library: A binding to the Xshape X11 extension library (bsd3, library)
XAttr library: Read, set, and list extended attributes (deprecated, gpl, library)
XInput library: Bindings for the DirectX XInput library. (bsd3, library)
XMLParser library: A library to parse xml (gpl, library)
XMMS library: XMMS2 client library. (lgpl, library)
XMPP library: XMPP library (bsd3, library)
XSaiga library and program: An implementation of a polynomial-time top-down parser suitable for NLP (bsd3, library, program)
Xauth library: A binding to the X11 authentication library (bsd3, library)
Xec program: Gtk command launcher with identicon (bsd3, program)
XmlHtmlWriter library: A library for writing XML and HTML (bsd3, library)
Xorshift128Plus library: Pure haskell implementation of xorshift128plus random number generator. (library, public-domain)
YACPong program: Yet Another Pong Clone using SDL. (mit, program)
YFrob library: Yampa-based library for programming robots (bsd3, library)
Yablog : A simple blog engine powered by Yesod. (bsd3)
YamlReference library, program and test: YAML reference implementation (lgpl, library, program, test)
Yampa library: Library for programming hybrid systems. (bsd3, library)
Yampa-core library: Library for programming hybrid systems. (bsd3, library)
YampaSynth : Software synthesizer (bsd3)
Yocto library: A Minimal JSON Parser & Printer for Haskell (deprecated, library, mit)
Yogurt library: A MUD client library (bsd3, library)
Yogurt-Standalone program: A functional MUD client (bsd3, program)
ZEBEDDE library: Polymer growth simulation method (bsd3, deprecated, library)
ZFS library: Oleg's Zipper FS (library, public-domain)
ZMachine program: A Z-machine interpreter (bsd3, program)
ZipFold library: Zipping folds (bsd3, library)
ZipperAG library: An implementationg of Attribute Grammars using Functional Zippers (bsd3, library)
Zora library and test: Graphing library wrapper + assorted useful functions (bsd3, library, test)
Zwaluw library: Combinators for bidirectional URL routing (bsd3, library)
a50 program: Compare genome assemblies (gpl, program)
abacate library and test: Parser for a language similar to Cucumber's Gherkin (library, test)
abc-puzzle program: Generate instances of the ABC Logic Puzzle. (bsd3, program)
abcBridge library and test: Bindings for ABC, A System for Sequential Synthesis and Verification (bsd3, library, test)
abcnotation library: Haskell representation and parser for ABC notation. (bsd3, library)
abeson library: interconversion between aeson and bson. (library, mit)
abnf library and test: Parse ABNF and generate parsers for the specified document (bsd2, library, test)
abstract-deque library: Abstract, parameterized interface to mutable Deques. (bsd3, library)
abstract-deque-tests library and test: A test-suite for any queue or double-ended queue satisfying an interface (bsd3, library, test)
abstract-par library: Type classes generalizing the functionality of the 'monad-par' library. (bsd3, library)
abstract-par-accelerate library: Provides the class ParAccelerate, nothing more. (bsd3, library)
abt library: Abstract binding trees for Haskell (library, mit)
ac-machine library: Aho-Corasick string matching algorithm in Haskell (bsd3, library)
ac-machine-conduit library: Drive Aho-Corasick machines in Conduit pipelines (bsd3, library)
accelerate library: An embedded language for accelerated array processing (bsd3, library)
accelerate-arithmetic library and test: Linear algebra and interpolation using the Accelerate framework (bsd3, library, test)
accelerate-bignum library, test and benchmark: Fixed-length large integer arithmetic for Accelerate (benchmark, bsd3, library, test)
accelerate-cublas library, program and benchmark: Basic Linear Algebra using native CUBLAS library (benchmark, bsd3, library, program)
accelerate-cuda library: Accelerate backend for NVIDIA GPUs (bsd3, deprecated, library)
accelerate-cufft library: Accelerate frontend to the CUFFT library (Fourier transform) (bsd3, library)
accelerate-examples library: Examples using the Accelerate library (bsd3, library)
accelerate-fft library: FFT using the Accelerate library (bsd3, library)
accelerate-fftw library: Accelerate frontend to the FFTW library (Fourier transform) (bsd3, library)
accelerate-fourier library, test and benchmark: Fast Fourier transform and convolution using the Accelerate framework (benchmark, bsd3, library, test)
accelerate-fourier-benchmark program: Compare different implementations of the Fast Fourier Transform (bsd3, program)
accelerate-io library: Read and write Accelerate arrays in various formats (bsd3, library)
accelerate-llvm library: Accelerate backend generating LLVM (bsd3, library)
accelerate-llvm-native library: Accelerate backend generating LLVM (bsd3, library)
accelerate-llvm-ptx library: Accelerate backend generating LLVM (bsd3, library)
accelerate-random library: Generate Accelerate arrays filled with high quality pseudorandom numbers (bsd3, deprecated, library)
accelerate-typelits library and test: a typesafe way encode accelerate matrices and vectors (library, test)
accelerate-utility library: Utility functions for the Accelerate framework (bsd3, library)
accentuateus library: A Haskell implementation of the Accentuate.us API. (bsd3, library)
access-time library: Cross-platform support for retrieving file access times (bsd3, library)
accuerr library: Data type like Either but with accumulating error type (bsd3, library)
ace library and test: Attempto Controlled English parser and printer (bsd3, library, test)
acid-state library and benchmark: Add ACID guarantees to any serializable Haskell data structure. (benchmark, library, public-domain)
acid-state-dist library, tests and benchmarks: A replication backend for acid-state (benchmark, library, mit, test)
acid-state-tls library: Add TLS support for Data.Acid.Remote (library, public-domain)
acl2 library: Writing and calling ACL2 from Haskell. (bsd3, library)
acme-all-monad library: A monad which is powerful enough to interpret any action (library, public-domain)
acme-box library, program and test: A full featured empty project (bsd3, library, program, test)
acme-cadre library: car, cdr and more (library, public-domain)
acme-cofunctor library: A Cofunctor is a structure from category theory dual to Functor (bsd3, library)
acme-colosson library: Determines whether it is numberwang. (bsd3, library)
acme-comonad library: A more efficient dualization (bsd3, library)
acme-cutegirl library and program: Maybe gives you a cute girl (gpl, library, program)
acme-default library: A class for types with a distinguished aesthetically pleasing value (apache, library)
acme-dont library: A don't construct (bsd3, library)
acme-everything library: Install everything. (library, public-domain)
acme-flipping-tables library: Stop execution with rage. (bsd3, library)
acme-functors library: The best applicative functors. (bsd3, library)
acme-grawlix library: More readable names for commonly used symbols (bsd3, library)
acme-hq9plus library: An embedded DSL for the HQ9+ programming language (library, public-domain)
acme-http library and programs: fastest Haskell PONG server in the world (bsd3, library, program)
acme-inator library and program: Evil inventions in the Tri-State area (library, program, public-domain)
acme-io library: The only true way to do IO in Haskell! (library)
acme-iot library: IO monad transformer (library, mit)
acme-kitchen-sink library: A place for dumping that does-not-feel-right code while you improve it (bsd3, library)
acme-left-pad library: free your haskell from the tyranny of npm! (agpl, library)
acme-lolcat library: LOLSPEAK translator (bsd3, library)
acme-lookofdisapproval library: Express your disapproval (bsd3, library)
acme-memorandom library: Memoized random number generation (library, mit)
acme-microwave library: The eighth wonder of the world, kitchen math! (bsd3, library)
acme-miscorder library: Miscellaneous newtypes for orderings of discutable use. (library, public-domain)
acme-missiles library: Cause serious international side effects. (library, public-domain)
acme-now library: An interface to the philosophical and metaphysical "now" (library, public-domain)
acme-numbersystem library: Define the less than and add and subtract for nats (bsd3, library)
acme-omitted library and test: A name for omitted definitions (bsd3, library, test)
acme-one library: The identity element of package dependencies (library, public-domain)
acme-operators library: Operators of base, all in one place! (bsd3, library)
acme-php library: The flexibility of Haskell and the safety of PHP (bsd3, library)
acme-pointful-numbers library: Make more than one point in numeric literals (bsd3, library)
acme-realworld library: Primitives for manipulating the state of the universe (bsd3, library)
acme-safe library: Safe versions of some infamous haskell functions such as fromJust (library)
acme-schoenfinkel library and test: Proper names for curry and uncurry (bsd3, library, test)
acme-smuggler library and test: Smuggle arbitrary values in () (bsd3, library, test)
acme-strfry library: A binding to the glibc strfry function. (bsd3, library)
acme-stringly-typed library: Stringly Typed Programming (bsd3, library)
acme-strtok library: A Haskell port of the C/PHP strtok function (library, public-domain)
acme-timemachine library: An easy way to perform and unperform IO and other stateful actions. (bsd3, library)
acme-year library, test and benchmark: Get the current year (benchmark, library, public-domain, test)
acme-zero library: The absorbing element of package dependencies (library, public-domain)
action-permutations library: Execute a set of actions (e.g. parsers) in each possible order (bsd3, library)
active library and test: Abstractions for animation (bsd3, library, test)
activehs program: Haskell code presentation tool (bsd3, program)
activehs-base library: Basic definitions for activehs (bsd3, library)
activitystreams-aeson library: An interface to the ActivityStreams specification (bsd3, library)
actor library: Actors with multi-headed receive clauses (bsd3, library)
ad library, test and benchmark: Automatic Differentiation (benchmark, bsd3, library, test)
adaptive-containers library: Self optimizing container types (bsd3, library)
adaptive-tuple library: Self-optimizing tuple types (bsd3, library)
adb library: Android Debug Bridge (ADB) protocol (bsd3, library)
adblock2privoxy program: Convert adblock config files to privoxy format (gpl, program)
addLicenseInfo program: Adds license info to the top of a file. (bsd3, program)
adhoc-network library: Ad-hoc P2P network protocol (gpl, library)
adict library and test: Approximate dictionary searching (bsd3, library, test)
adjunctions library: Adjunctions and representable functors (bsd3, library)
adler32 library and test: An implementation of Adler-32, supporting rolling checksum operation (bsd3, library, test)
adobe-swatch-exchange library and programs: parse Adobe Swatch Exchange files and (optionally) output .css files with the colors (bsd3, library, program)
adp-multi library and test: ADP for multiple context-free languages (bsd3, library, test)
adp-multi-monadiccp library and test: Subword construction in adp-multi using monadiccp (bsd3, library, test)
aeson library and test: Fast JSON parsing and encoding (bsd3, library, test)
aeson-applicative library: make To/From JSOn instances from an applicative description (library, mit)
aeson-better-errors library: Better error messages when decoding JSON values. (library, mit)
aeson-bson library: Mapping between Aeson's JSON and Bson objects. (library)
aeson-casing library and test: Tools to change the formatting of field names in Aeson instances. (library, mit, test)
aeson-coerce library: Initial project template from stack (bsd3, library)
aeson-compat library and test: Compatibility layer for aeson (bsd3, library, test)
aeson-diff library, programs and tests: Extract and apply patches to JSON documents. (bsd3, library, program, test)
aeson-extra library and test: Extra goodies for aeson (bsd3, library, test)
aeson-filthy library and test: Several newtypes and combinators for dealing with less-than-cleanly JSON input. (bsd3, library, test)
aeson-flat library and test: Tools for creating flat JSON serializations (bsd3, library, test)
aeson-flatten library and test: JSON flatten for Aeson (bsd3, library, test)
aeson-flowtyped library and test: Create Flow type definitions from Haskell data types. (bsd3, library, test)
aeson-generic-compat library: Compatible generic class names of Aeson (bsd3, library)
aeson-injector library and test: Injecting fields into aeson values (library, mit, test)
aeson-iproute library: Aeson instances for iproute types (bsd3, library)
aeson-json-ast library: Integration layer for "json-ast" and "aeson" (library, mit)
aeson-lens library and test: Lens of Aeson (bsd3, library, test)
aeson-native library: Fast JSON parsing and encoding (deprecated) (bsd3, deprecated, library)
aeson-parsec-picky library: Alternative JSON parser based on Parsec and Aeson (bsd3, library)
aeson-prefix library and test: Hiearchical prefixing for aeson (bsd3, library, test)
aeson-pretty library: JSON pretty-printing library and command-line tool. (bsd3, library)
aeson-qq library and test: JSON quasiquoter for Haskell (library, mit, test)
aeson-quick library, test and benchmark: Quick JSON extractions with Aeson (benchmark, bsd3, library, test)
aeson-schema library and test: Haskell JSON schema validator and parser generator (library, mit, test)
aeson-serialize library and test: Simple serialization functions for aeson types (bsd3, library, test)
aeson-smart library: Smart derivation of Aeson instances (library, mit)
aeson-streams library: An HTTP client library for JSON-based APIs (bsd3, library)
aeson-t library and test: Transform JSON (library, mit, test)
aeson-toolkit library and test: A generalization of Aeson over Failure (library, mit, test)
aeson-utils library: Utilities for working with Aeson. (bsd3, library)
aeson-value-parser library: An API for parsing "aeson" JSON tree into Haskell types (library, mit)
aeson-yak library: Handle JSON that may or may not be a list, or exist (library, mit)
affection library: A simple Game Engine using SDL (lgpl, library)
affine-invariant-ensemble-mcmc library: General-purpose sampling (bsd3, deprecated, library)
affinely-extended library: (library, mit)
afis library and test: Anti-forensic Information Splitter (bsd3, library, test)
afv program: Infinite state model checking of iterative C programs. (bsd3, program)
ag-pictgen program: Attribute Grammar picture generation (bsd3, program)
agda-server program: Http server for Agda (prototype) (bsd3, program)
agda-snippets library and program: Render just the Agda snippets of a literate Agda file to HTML (bsd3, library, program)
agda-snippets-hakyll library: Literate Agda support using agda-snippets, for Hakyll pages. (bsd3, library)
agentx library: AgentX protocol for write SNMP subagents (bsd3, library)
agum library and program: Unification and Matching in an Abelian Group (gpl, library, program)
aig library and test: And-inverter graphs in Haskell. (bsd3, library, test)
air library: air (bsd3, library)
air-extra library: air-extra (bsd3, library)
air-spec library: air spec helper (bsd3, library)
air-th library: air (bsd3, library)
airbrake library: An Airbrake notifier for Haskell (bsd3, library)
airship library and test: A Webmachine-inspired HTTP library (library, mit, test)
airtable-api library and test: Requesting and introspecting Tables within an Airtable project. (bsd3, library, test)
aivika library: A multi-method simulation library (bsd3, library)
aivika-branches library: Nested discrete event simulation module for the Aivika library (bsd3, library)
aivika-distributed library: Parallel distributed discrete event simulation module for the Aivika library (bsd3, library)
aivika-experiment library: Simulation experiments for the Aivika library (bsd3, library)
aivika-experiment-cairo library: Cairo-based charting backend for the Aivika simulation library (bsd3, library)
aivika-experiment-chart library: Simulation experiments with charting for the Aivika library (bsd3, library)
aivika-experiment-diagrams library: Diagrams-based charting backend for the Aivika simulation library (bsd3, library)
aivika-gpss library: GPSS-like DSL for Aivika (bsd3, library)
aivika-lattice library: Nested discrete event simulation module for the Aivika library using lattice (bsd3, library)
aivika-realtime library: Soft real-time simulation module for the Aivika library (bsd3, library)
aivika-transformers library: Transformers for the Aivika simulation library (bsd3, library)
ajhc library and programs: Haskell compiler that produce binary through C language (gpl, library, program)
al library: OpenAL 1.1 raw API. (bsd3, library)
alarmclock library: Wake up and perform an action at a certain time. (bsd3, library)
alea program: a diceware passphrase generator (mit, program)
alerta library: Bindings to the alerta REST API (bsd3, library)
alex program and test: Alex is a tool for generating lexical analysers in Haskell (bsd3, program, test)
alex-meta library: Quasi-quoter for Alex lexers (bsd3, library)
alex-tools library: A set of functions for a common use case of Alex. (library)
alfred library: utility library for Alfred version 2 (bsd3, library)
alga library, program and test: Algorithmic automation for various DAWs (deprecated, gpl, library, program, test)
algebra library: Constructive abstract algebra (bsd3, library)
algebra-dag library: Infrastructure for DAG-shaped relational algebra plans (bsd3, library)
algebra-sql library and programs: Relational Algebra and SQL Code Generation (bsd3, library, program)
algebraic library: General linear algebra structures. (bsd3, library)
algebraic-classes library: Conversions between algebraic classes and F-algebras. (bsd3, library)
algebraic-graphs library, test and benchmark: A library for algebraic graph construction and transformation (benchmark, library, mit, test)
algebraic-prelude library: Algebraically structured Prelude (bsd3, library)
algo-s library, program, test and benchmark: An implementation of Knuth's algorithm S. (apache, benchmark, library, program, test)
align library: Sequence alignment algorithms. (bsd3, library)
align-text program: A simple unix filter to align text on specified substrings (mit, program)
aligned-foreignptr library: An aligned ForeignPtr type (library, public-domain)
allocated-processor library: Functional combinators for monadic actions that require allocation and de-allocation (bsd3, library)
alloy library: Generic programming library (bsd3, library)
alloy-proxy-fd library: Some add-on instances for the Alloy library (bsd3, library)
almost-fix library: Recurse while a predicate is satisfied (bsd3, library)
alms program: a practical affine language (bsd3, program)
alpha program: A compiler for the Alpha language (bsd3, program)
alphachar library and test: A character between a-z (bsd3, library, test)
alpino-tools library and programs: Alpino data manipulation tools (library, program)
alsa library: Binding to the ALSA Library API. (bsd3, deprecated, library)
alsa-core library: Binding to the ALSA Library API (Exceptions). (bsd3, library)
alsa-gui programs: Some simple interactive programs for sending MIDI control messages via ALSA (bsd3, program)
alsa-midi library and programs: Bindings for the ALSA sequencer API (MIDI stuff) (deprecated, gpl, library, program)
alsa-mixer library: Bindings to the ALSA simple mixer API. (bsd3, library)
alsa-pcm library: Binding to the ALSA Library API (PCM audio). (bsd3, library)
alsa-pcm-tests programs: Tests for the ALSA audio signal library. (bsd3, deprecated, program)
alsa-seq library: Binding to the ALSA Library API (MIDI sequencer). (bsd3, library)
alsa-seq-tests programs: Tests for the ALSA sequencer library. (bsd3, deprecated, program)
altcomposition library: Alternative combinators for unorthodox function composition (bsd3, library)
alternative-extra library: Extra utilities for alternatives (bsd3, library)
alternative-io library: IO as Alternative instance (deprecated) (bsd3, deprecated, library)
alternators library: Handy functions when using transformers (bsd3, library)
altfloat library: Alternative floating point support for GHC. (library)
alure library: A Haskell binding for ALURE (lgpl, library)
amazon-emailer programs: A queue daemon for Amazon's SES with a PostgreSQL table as a queue. (bsd3, deprecated, program)
amazon-emailer-client-snap library: Client library for amazon-emailer daemon (bsd3, deprecated, library)
amazon-products library and program: Connector for Amazon Products API (library, mit, program)
amazonka library and test: Comprehensive Amazon Web Services SDK. (library, test)
amazonka-apigateway library and test: Amazon API Gateway SDK. (library, test)
amazonka-application-autoscaling library and test: Amazon Application Auto Scaling SDK. (library, test)
amazonka-appstream library and test: Amazon AppStream SDK. (library, test)
amazonka-autoscaling library and test: Amazon Auto Scaling SDK. (library, test)
amazonka-budgets library and test: Amazon Budgets SDK. (library, test)
amazonka-certificatemanager library and test: Amazon Certificate Manager SDK. (library, test)
amazonka-cloudformation library and test: Amazon CloudFormation SDK. (library, test)
amazonka-cloudfront library and test: Amazon CloudFront SDK. (library, test)
amazonka-cloudhsm library and test: Amazon CloudHSM SDK. (library, test)
amazonka-cloudsearch library and test: Amazon CloudSearch SDK. (library, test)
amazonka-cloudsearch-domains library and test: Amazon CloudSearch Domain SDK. (library, test)
amazonka-cloudtrail library and test: Amazon CloudTrail SDK. (library, test)
amazonka-cloudwatch library and test: Amazon CloudWatch SDK. (library, test)
amazonka-cloudwatch-events library and test: Amazon CloudWatch Events SDK. (library, test)
amazonka-cloudwatch-logs library and test: Amazon CloudWatch Logs SDK. (library, test)
amazonka-codebuild library and test: Amazon CodeBuild SDK. (library, test)
amazonka-codecommit library and test: Amazon CodeCommit SDK. (library, test)
amazonka-codedeploy library and test: Amazon CodeDeploy SDK. (library, test)
amazonka-codepipeline library and test: Amazon CodePipeline SDK. (library, test)
amazonka-cognito-identity library and test: Amazon Cognito Identity SDK. (library, test)
amazonka-cognito-idp library and test: Amazon Cognito Identity Provider SDK. (library, test)
amazonka-cognito-sync library and test: Amazon Cognito Sync SDK. (library, test)
amazonka-config library and test: Amazon Config SDK. (library, test)
amazonka-core library and test: Core data types and functionality for Amazonka libraries. (library, test)
amazonka-datapipeline library and test: Amazon Data Pipeline SDK. (library, test)
amazonka-devicefarm library and test: Amazon Device Farm SDK. (library, test)
amazonka-directconnect library and test: Amazon Direct Connect SDK. (library, test)
amazonka-discovery library and test: Amazon Application Discovery Service SDK. (library, test)
amazonka-dms library and test: Amazon Database Migration Service SDK. (library, test)
amazonka-ds library and test: Amazon Directory Service SDK. (library, test)
amazonka-dynamodb library and test: Amazon DynamoDB SDK. (library, test)
amazonka-dynamodb-streams library and test: Amazon DynamoDB Streams SDK. (library, test)
amazonka-ec2 library and test: Amazon Elastic Compute Cloud SDK. (library, test)
amazonka-ecr library and test: Amazon EC2 Container Registry SDK. (library, test)
amazonka-ecs library and test: Amazon EC2 Container Service SDK. (library, test)
amazonka-efs library and test: Amazon Elastic File System SDK. (library, test)
amazonka-elasticache library and test: Amazon ElastiCache SDK. (library, test)
amazonka-elasticbeanstalk library and test: Amazon Elastic Beanstalk SDK. (library, test)
amazonka-elasticsearch library and test: Amazon Elasticsearch Service SDK. (library, test)
amazonka-elastictranscoder library and test: Amazon Elastic Transcoder SDK. (library, test)
amazonka-elb library and test: Amazon Elastic Load Balancing SDK. (library, test)
amazonka-elbv2 library and test: Amazon Elastic Load Balancing SDK. (library, test)
amazonka-emr library and test: Amazon Elastic MapReduce SDK. (library, test)
amazonka-gamelift library and test: Amazon GameLift SDK. (library, test)
amazonka-glacier library and test: Amazon Glacier SDK. (library, test)
amazonka-health library and test: Amazon Health APIs and Notifications SDK. (library, test)
amazonka-iam library and test: Amazon Identity and Access Management SDK. (library, test)
amazonka-importexport library and test: Amazon Import/Export SDK. (library, test)
amazonka-inspector library and test: Amazon Inspector SDK. (library, test)
amazonka-iot library and test: Amazon IoT SDK. (library, test)
amazonka-iot-dataplane library and test: Amazon IoT Data Plane SDK. (library, test)
amazonka-kinesis library and test: Amazon Kinesis SDK. (library, test)
amazonka-kinesis-analytics library and test: Amazon Kinesis Analytics SDK. (library, test)
amazonka-kinesis-firehose library and test: Amazon Kinesis Firehose SDK. (library, test)
amazonka-kms library and test: Amazon Key Management Service SDK. (library, test)
amazonka-lambda library and test: Amazon Lambda SDK. (library, test)
amazonka-lightsail library and test: Amazon Lightsail SDK. (library, test)
amazonka-marketplace-analytics library and test: Amazon Marketplace Commerce Analytics SDK. (library, test)
amazonka-marketplace-metering library and test: Amazon Marketplace Metering SDK. (library, test)
amazonka-ml library and test: Amazon Machine Learning SDK. (library, test)
amazonka-opsworks library and test: Amazon OpsWorks SDK. (library, test)
amazonka-opsworks-cm library and test: Amazon OpsWorks for Chef Automate SDK. (library, test)
amazonka-pinpoint library and test: Amazon Pinpoint SDK. (library, test)
amazonka-polly library and test: Amazon Polly SDK. (library, test)
amazonka-rds library and test: Amazon Relational Database Service SDK. (library, test)
amazonka-redshift library and test: Amazon Redshift SDK. (library, test)
amazonka-rekognition library and test: Amazon Rekognition SDK. (library, test)
amazonka-route53 library and test: Amazon Route 53 SDK. (library, test)
amazonka-route53-domains library and test: Amazon Route 53 Domains SDK. (library, test)
amazonka-s3 library and test: Amazon Simple Storage Service SDK. (library, test)
amazonka-s3-streaming library and program: Provides conduits to upload data to S3 using the Multipart API (bsd3, library, program)
amazonka-sdb library and test: Amazon SimpleDB SDK. (library, test)
amazonka-servicecatalog library and test: Amazon Service Catalog SDK. (library, test)
amazonka-ses library and test: Amazon Simple Email Service SDK. (library, test)
amazonka-shield library and test: Amazon Shield SDK. (library, test)
amazonka-sms library and test: Amazon Server Migration Service SDK. (library, test)
amazonka-snowball library and test: Amazon Import/Export Snowball SDK. (library, test)
amazonka-sns library and test: Amazon Simple Notification Service SDK. (library, test)
amazonka-sqs library and test: Amazon Simple Queue Service SDK. (library, test)
amazonka-ssm library and test: Amazon Simple Systems Manager (SSM) SDK. (library, test)
amazonka-stepfunctions library and test: Amazon Step Functions SDK. (library, test)
amazonka-storagegateway library and test: Amazon Storage Gateway SDK. (library, test)
amazonka-sts library and test: Amazon Security Token Service SDK. (library, test)
amazonka-support library and test: Amazon Support SDK. (library, test)
amazonka-swf library and test: Amazon Simple Workflow Service SDK. (library, test)
amazonka-test library: Common functionality for Amazonka library test-suites. (library)
amazonka-waf library and test: Amazon WAF SDK. (library, test)
amazonka-workspaces library and test: Amazon WorkSpaces SDK. (library, test)
amazonka-xray library and test: Amazon X-Ray SDK. (library, test)
amby library, test and benchmark: Statistical data visualization (benchmark, bsd3, library, test)
ampersand program and test: Toolsuite for automated design of business processes. (gpl, program, test)
amqp library, program and test: Client library for AMQP servers (currently only RabbitMQ) (bsd3, library, program, test)
amqp-conduit library and test: Conduit bindings for AMQP (see amqp package) (library, mit, test)
amqp-worker library, program and test: High level functions for working with message queues (bsd3, library, program, test)
amrun program: Interpreter for AM (gpl, program)
analyze library and test: making data science easy and safe with data frames (bsd3, library, test)
analyze-client library: Client for analyze service (bsd3, library)
anansi library and program: Simple literate programming preprocessor (gpl, library, program)
anansi-hscolour library: Colorized looms for Anansi (gpl, library)
anansi-pandoc library: Looms which use Pandoc to parse and produce a variety of formats. (gpl, library)
anatomy library and program: Anatomy: Atomo documentation system (bsd3, library, program)
android library: Android methods exposed to Haskell (gpl, library)
android-lint-summary library, program and test: A pretty printer for Android Lint errors (apache, library, program, test)
angel program and test: Process management and supervision daemon (bsd3, program, test)
angle library, program and benchmarks: A small, general-purpose programming language. (benchmark, gpl, library, program)
animalcase library: Convert camelCase to snake_case and vice versa (library, mit)
animate library and test: Animation for sprites (bsd3, library, test)
anki-tools library and program: Tools for interacting with Anki database (bsd3, library, program)
annah library and program: Medium-level language that desugars to Morte (bsd3, library, program)
annihilator library: Semigroups with annihilators and utility functions (bsd3, deprecated, library)
annotated-wl-pprint library: The Wadler/Leijen Pretty Printer, with annotation support (bsd3, library)
anonymous-sums library: Anonymous sum types (bsd3, library)
anonymous-sums-tests library: QuickCheck functions to accompany the anonymous-sums package (bsd3, library)
ansi-pretty library: AnsiPretty for ansi-wl-pprint (bsd3, library)
ansi-terminal library: Simple ANSI terminal support, with Windows compatibility (bsd3, library)
ansi-wl-pprint library: The Wadler/Leijen Pretty Printer for colored ANSI terminal output (bsd3, library)
ansigraph library and test: Terminal-based graphing via ANSI and Unicode (library, mit, test)
antagonist library and program: A web interface to Antisplice dungeons. (agpl, library, program)
antfarm library, program and test: Referring expressions for definitions (bsd3, library, program, test)
anticiv library and program: This is an IRC bot for Mafia and Resistance. (agpl, library, program)
antigate library: Interface for antigate.com captcha recognition API (library, mit)
antimirov library and program: Define the language containment (=subtyping) relation on regulare expressions. (gpl, library, program)
antiprimes library and test: Initial project template from stack (bsd3, library, test)
antiquoter library: Combinator library for quasi- and anti-quoting. (bsd3, library)
antisplice library: An engine for text-based dungeons. (agpl, library)
antlrc library and program: Haskell binding to the ANTLR parser generator C runtime library. (bsd3, library, program)
anydbm library: Interface for DBM-like database systems (gpl, library)
aosd library and test: Bindings to libaosd, a library for Cairo-based on-screen displays (bsd3, library, test)
ap-reflect library: Partial evaluation reflection a la simple-reflect. (bsd3, library)
apache-md5 library, test and benchmark: Apache specific MD5 digest algorighm. (benchmark, bsd3, library, test)
apelsin program: Server and community browser for the game Tremulous (gpl, program)
api-builder library and tests: Library for easily building REST API wrappers in Haskell (bsd3, library, test)
api-field-json-th library and test: option of aeson's deriveJSON (bsd3, library, test)
api-opentheory-unicode library and test: OpenTheory unicode character API (library, mit, test)
api-tools library, program and test: DSL for generating API boilerplate and docs (bsd3, library, program, test)
apiary library and test: Simple and type safe web framework that generate web API documentation. (library, mit, test)
apiary-authenticate library: authenticate support for apiary web framework. (library, mit)
apiary-clientsession library: clientsession support for apiary web framework. (library, mit)
apiary-cookie library: Cookie support for apiary web framework. (library, mit)
apiary-eventsource library: eventsource support for apiary web framework. (library, mit)
apiary-helics library: helics support for apiary web framework. (library, mit)
apiary-http-client library: A http client for Apiary. (library, mit)
apiary-logger library: fast-logger support for apiary web framework. (library, mit)
apiary-memcached library: memcached client for apiary web framework. (library, mit)
apiary-mongoDB library: mongoDB support for apiary web framework. (library, mit)
apiary-persistent library: persistent support for apiary web framework. (library, mit)
apiary-purescript library: purescript compiler for apiary web framework. (library, mit)
apiary-session library: session support for apiary web framework. (library, mit)
apiary-websockets library: websockets support for apiary web framework. (library, mit)
apioiaf-client library and test: Consumer library for anapioficeandfire.com (bsd3, library, test)
apis library: A Template Haskell library for generating type safe API calls (bsd2, library)
apotiki library and program: a faster debian repository (library, mit, program)
app-lens library and benchmarks: applicative (functional) bidirectional programming beyond composition chains (benchmark, bsd3, library)
app-settings library and test: A library to manage application settings (INI file-like) (bsd3, library, test)
appar library: A simple applicative parser (bsd3, library)
appc library, program and test: app container types and tools (library, mit, program, test)
applicative-extras library: Instances for Applicative (bsd3, library)
applicative-fail library and test: Applicative functor and monad which collects all your fails (bsd3, library, test)
applicative-numbers library: Applicative-based numeric instances (bsd3, library)
applicative-parsec library and test: An applicative parser combinator library (gpl, library, test)
applicative-quoters library: Quasiquoters for idiom brackets and an applicative do-notation (bsd3, library)
applicative-splice library: Write applicative programs in direct style (generalizes idiom brackets). (library, public-domain)
apply-refact library and program: Perform refactorings specified by the refact library. (bsd3, library, program)
apportionment library: Round a set of numbers while maintaining its sum (bsd3, library)
approx-rand-test library, programs and test: Approximate randomization test (library, program, randomization, statistics, test)
approximate library: Approximate discrete values and numbers (bsd3, library)
approximate-equality library: Newtype wrappers for approximate equality (bsd3, library)
ar-timestamp-wiper library and program: Wipes time stamps from .a files (like ar -D) (library, mit, program)
arb-fft library, program and test: Pure Haskell arbitrary length FFT library (bsd3, library, program, test)
arbb-vm library: FFI binding to the Intel Array Building Blocks (ArBB) virtual machine. (bsd3, library)
arbtt programs and test: Automatic Rule-Based Time Tracker (gpl, program, test)
archive library and program: A library and programs for creating hardlinked incremental archives or backups (bsd3, library, program)
archiver library and program: Archive supplied URLs in WebCite & Internet Archive (bsd3, library, program)
archlinux library: Support for working with Arch Linux packages. (bsd3, deprecated, library)
archlinux-web library and programs: Website maintenance for Arch Linux packages (bsd3, library, program)
archnews program: Convert Arch Linux package updates in RSS to pretty markdown (bsd3, program)
arena library, tests and benchmark: A journaled data store (benchmark, bsd3, library, test)
arff library: Generate Attribute-Relation File Format (ARFF) files (bsd3, library)
arghwxhaskell program: An interpreter for the Argh! programming language in wxHaskell. (gpl, program)
argon test: Measure your code's complexity (test)
argon2 library and test: Haskell bindings to libargon2 - the reference implementation of the Argon2 password-hashing function (bsd3, library, test)
argparser library and test: Command line parsing framework for console applications (bsd3, library, test)
arguedit program: A computer assisted argumentation transcription and editing software. (gpl, program)
ariadne program and test: Go-to-definition for Haskell (mit, program, test)
arion program and test: Watcher and runner for Hspec (TDD, hspec, mit, program, red-green-refactor, test, testing, tools)
arith-encode library and test: A practical arithmetic encoding (aka Godel numbering) library. (bsd3, library, test)
arithmatic library: do things with numbers (bsd3, library)
arithmetic library, program and test: Natural number arithmetic (library, mit, program, test)
arithmoi library, test and benchmark: Efficient basic number-theoretic functions. (benchmark, library, mit, test)
armada program: Space-based real time strategy game (gpl, program)
arpa library and program: Library for reading ARPA n-gram models (bsd3, library, program)
arpack library and test: Solve large scale eigenvalue problems (bsd3, library, test)
array library: Mutable and immutable arrays (bsd3, library)
array-forth library, program and test: A simple interpreter for arrayForth, the language used on GreenArrays chips. (gpl, library, program, test)
array-memoize library: Memoization combinators using arrays for finite sub-domains of functions (bsd3, library)
array-primops library, test and benchmark: Extra foreign primops for primitive arrays (benchmark, bsd3, library, test)
array-utils library: Primitive functions for updating many elements in mutable arrays at once (bsd3, deprecated, library)
arrow-extras library: Extra functions for Control.Arrow (bsd3, library)
arrow-improve library: Improved arrows. (library, mit)
arrow-list library: List arrows for Haskell. (bsd3, library)
arrowapply-utils library: Utilities for working with ArrowApply instances more naturally (bsd3, library)
arrowp program: preprocessor translating arrow notation into Haskell 98 (gpl, program)
arrowp-qq library and program: A preprocessor and quasiquoter for translating arrow notation (gpl, library, program)
arrows library: Arrow classes and transformers (bsd3, library)
artery library: A simple, arrow-based reactive programming (bsd3, library)
arx library: Archive execution tool. (bsd3, library)
arxiv library: A client for the Arxiv API (lgpl, library)
ascetic library: Generic markup builder. (library, mit)
ascii library: Type-safe, bytestring-based ASCII values. (deprecated) (bsd3, deprecated, library)
ascii-art-to-unicode library, program and test: ASCII Art to Unicode Box Drawing converter (bsd3, library, program, test)
ascii-cows library: A collection of ASCII cows. Moo. (bsd3, library)
ascii-flatten library and program: Flattens European non-ASCII characaters into ASCII (library, mit, program)
ascii-progress library and test: A simple progress bar for the console. (library, mit, test)
ascii-table library: ASCII table (bsd3, library)
ascii-vector-avc library and program: Process Ascii Vectors for Advantest 93k (gpl, library, program)
ascii85-conduit library and test: Conduit for encoding ByteString into Ascii85 (bsd3, library, test)
asciidiagram library and program: Pretty rendering of Ascii diagram into svg or png. (bsd3, library, program)
asic program: Action Script Instrumentation Compiler (lgpl, program)
asil library: Action Script Instrumentation Library (lgpl, library)
asn1-codec library and test: Encode and decode ASN.1 (bsd3, library, test)
asn1-data library: ASN1 data reader and writer in RAW, BER and DER forms (bsd3, deprecated, library)
asn1-encoding library and test: ASN1 data reader and writer in RAW, BER and DER forms (bsd3, library, test)
asn1-parse library: Simple monadic parser for ASN1 stream types. (bsd3, library)
asn1-types library: ASN.1 types (bsd3, library)
asn1dump program: Dump ASN1 structure (bsd3, program)
aspell-pipe library: Pipe-based interface to the Aspell program (bsd3, library)
assembler library and program: Haskell Assembler (bsd3, library, program)
assert library and test: Helpers for Control.Exception.assert (bsd3, library, test)
assert-failure library: Syntactic sugar improving 'assert' and 'error' (assert, bsd3, contract, debug, library)
assertions library and test: A simple testing framework. (library, mit, test)
assimp library: The Assimp asset import library (bsd3, library)
ast-monad library and test: A library for constructing AST by using do-notation (bsd3, library, test)
ast-monad-json library and test: A library for writing JSON (bsd3, library, test)
astar library: General A* search algorithm. (bsd3, library)
astrds program: an incomplete 2d space game (bsd3, program)
astro library and test: Amateur astronomical computations (bsd3, library, test)
astview program: A GTK-based abstract syntax tree viewer for custom languages and parsers (bsd4, deprecated, program)
astview-utils library: Interfacing between hint and astview (bsd4, deprecated, library)
async library and test: Run IO operations asynchronously and wait for their results (bsd3, library, test)
async-ajax library: Crossbrowser async AJAX Bindings for GHCJS (library, mit)
async-dejafu library and test: Run MonadConc operations asynchronously and wait for their results. (bsd3, deprecated, library, test)
async-extra library: Useful concurrent combinators (library, mit)
async-extras library: Extra Utilities for the Async Library (bsd3, library)
async-io-either library: Could be useful (bsd3, library)
async-manager library and program: A thread manager for async (bsd3, library, program)
async-pool library and test: A modified version of async that supports worker groups and many-to-many task dependencies (library, mit, test)
async-refresh library and test: Package implementing core logic for refreshing of expiring data. (bsd3, library, test)
async-refresh-tokens library and test: Package implementing core logic for refreshing of expiring access tokens (bsd3, library, test)
async-timer library and test: Provides API for timer based execution of IO actions (bsd3, library, test)
asynchronous-exceptions library: Distinguish between synchronous and asynchronous exceptions (deprecated, library, mit)
aterm library: serialisation for Haskell values with sharing support (gpl, library)
aterm-utils library and program: Utility functions for working with aterms as generated by Minitermite (bsd3, library, program)
atl library: Arrow Transformer Library (bsd3, library)
atlassian-connect-core library: Atlassian Connect snaplet for the Snap Framework and helper code. (apache, library)
atlassian-connect-descriptor library and test: Code that helps you create a valid Atlassian Connect Descriptor. (apache, library, test)
atmos library and test: 1976 US Standard Atmosphere Model (library, public-domain, test)
atmos-dimensional library: dimensional wrapper on atmos package (bsd3, deprecated, library)
atmos-dimensional-tf library: dimensional-tf wrapper on atmos package (bsd3, deprecated, library)
atndapi library and test: An interface of ATND API (bsd3, library, test)
atom library: An EDSL for embedded hard realtime applications. (bsd3, library)
atom-basic library: Basic Atom feed construction (bsd3, library)
atom-conduit library and test: Streaming parser/renderer for the Atom 1.0 standard (RFC 4287). (library, public-domain, test)
atom-msp430 library: Convenience functions for using Atom with the MSP430 microcontroller family. (library, mit)
atomic-modify library: A typeclass for mutable references that have an atomic modify operation. (apache, library)
atomic-primops library: A safe approach to CAS and other atomic ops in Haskell. (bsd3, library)
atomic-primops-foreign library and test: An atomic counter implemented using the FFI. (bsd3, library, test)
atomic-primops-vector library and test: Atomic operations on Data.Vector types (bsd3, library, test)
atomic-write library and test: Atomically write to a file (library, mit, test)
atomo program: A highly dynamic, extremely simple, very fun programming language. (bsd3, program)
atp-haskell library and test: Translation from Ocaml to Haskell of John Harrison's ATP code (bsd3, library, test)
atrans library: A small collection of monad (transformer) instances. (library, mit)
attempt library: Concrete data type for handling extensible exceptions as failures. (deprecated) (bsd3, deprecated, library)
attic-schedule program and test: A script I use to run "attic" for my backups. (bsd3, program, test)
atto-lisp library and test: Efficient parsing and serialisation of S-Expressions. (bsd3, library, test)
attoparsec library, test and benchmark: Fast combinator parsing for bytestrings and text (benchmark, bsd3, library, test)
attoparsec-arff library: An ARFF file parser using Attoparsec (gpl, library)
attoparsec-binary library: Binary processing extensions to Attoparsec. (bsd3, library)
attoparsec-conduit library: Consume attoparsec parsers via conduit. (deprecated) (deprecated, library, mit)
attoparsec-csv library: A parser for CSV files that uses Attoparsec (library)
attoparsec-data library: Parsers for the standard Haskell data types (library, mit)
attoparsec-enumerator library: Pass input from an enumerator to an Attoparsec parser. (deprecated, library, mit)
attoparsec-expr library: Port of parsec's expression parser to attoparsec. (bsd3, library)
attoparsec-iso8601 library: Parsing of ISO 8601 dates, originally from aeson. (bsd3, library)
attoparsec-iteratee library: An adapter to convert attoparsec Parsers into blazing-fast Iteratees (bsd3, library)
attoparsec-parsec library and tests: An Attoparsec compatibility layer for Parsec (library, mit, test)
attoparsec-text library: (deprecated) (bsd3, deprecated, library)
attoparsec-text-enumerator library: (deprecated) (library, mit)
attoparsec-time library and test: Attoparsec parsers of time (library, mit, test)
attoparsec-trans library: Interleaved effects for attoparsec parsers (library, mit)
attoparsec-uri library: URI parser / printer using attoparsec (bsd3, library)
attosplit library: Split a lazy bytestring at boundaries defined by an attoparsec parser (bsd3, library)
atuin program: Embedded Turtle language compiler in Haskell, with Epic output (bsd3, program)
audacity library: Interchange with the Audacity sound signal editor (bsd3, library)
audiovisual library: A battery-included audiovisual framework (bsd3, library)
augeas library and program: A Haskell FFI wrapper for the Augeas API (lgpl, library, program)
augur program: Renaming media collections in a breeze. (bsd3, program)
aur library and test: Access metadata from the Arch Linux User Repository. (gpl, library, test)
aur-api library: ArchLinux AUR json v5 API (bsd3, library)
authenticate library: Authentication methods for Haskell web applications. (library, mit)
authenticate-kerberos library: Authentication methods for Haskell web applications. (bsd3, library)
authenticate-ldap library: LDAP authentication for Haskell web applications. (bsd3, library)
authenticate-oauth library: Library to authenticate with OAuth for Haskell web applications. (bsd3, library)
authinfo-hs library: Password querying for .authinfo (library, mit)
authoring library: A library for writing papers (bsd3, library)
auto library: Denotative, locally stateful programming DSL & platform (library, mit)
auto-update library: Efficiently run periodic, on-demand actions (library, mit)
autoexporter library and program: Automatically re-export modules. (library, mit, program)
autom library: Generates and displays patterns from next nearest neighbors cellular automata (gpl, library)
automitive-cse library and test: Automotive CSE emulation (bsd3, deprecated, library, test)
automotive-cse library and test: Automotive CSE emulation (bsd3, deprecated, library, test)
autonix-deps library: Library for Nix expression dependency generation (bsd3, deprecated, library)
autonix-deps-kf5 library and program: Generate dependencies for KDE 5 Nix expressions (bsd3, deprecated, library, program)
autoproc library and program: EDSL for Procmail scripts (bsd3, library, program)
avahi library: Minimal DBus bindings for Avahi daemon (http://avahi.org) (bsd3, library)
avatar-generator program: A simple random avatar icon generator (bsd3, program)
average library: An average (arithmetic mean) monoid. (bsd3, library)
avers library, test and benchmark: Server-side implementation of the Avers storage model (benchmark, gpl, library, test)
avers-api library: Types describing the core and extended Avers APIs (library, mit)
avers-api-docs library: Swagger documentation for the Avers API (library, mit)
avers-server library: Server implementation of the Avers API (library, mit)
aviation-cessna172-diagrams library and test: Diagrams for the Cessna 172 aircraft in aviation. (library, test)
avl-static library and test: A compile-time balanced AVL tree. (bsd3, library, test)
avr-shake library: AVR Crosspack actions for shake build systems. (library, public-domain)
avro library and test: Avro serialization support for Haskell (bsd3, library, test)
avwx library, program and test: Parse aviation weather reports (library, mit, program, test)
awesome-prelude library: A prelude which I can be happy with. Based on base-prelude. (gpl, library)
awesomium library: High-level Awesomium bindings. (lgpl, library)
awesomium-glut library: Utilities for using Awesomium with GLUT. (lgpl, library)
awesomium-raw library: Low-level Awesomium bindings. (lgpl, library)
aws library and tests: Amazon Web Services (AWS) for Haskell (bsd3, library, test)
aws-cloudfront-signer library: For signing AWS CloudFront HTTP URL requests (bsd3, library)
aws-configuration-tools library: Configuration types, parsers & renderers for AWS services (apache, library)
aws-dynamodb-conduit library: Conduit-based interface for AWS DynamoDB (library, mit)
aws-dynamodb-streams library: Haskell bindings for Amazon DynamoDB Streams (apache, library)
aws-ec2 library and programs: AWS EC2/VPC, ELB and CloudWatch client library for Haskell (bsd3, library, program)
aws-elastic-transcoder library and test: Haskell suite for the Elastic Transcoder service (bsd3, library, test)
aws-general library and test: Bindings for Amazon Web Services (AWS) General Reference (library, mit, test)
aws-kinesis library and test: Bindings for Amazon Kinesis (apache, library, test)
aws-kinesis-client library and program: A producer & consumer client library for AWS Kinesis (apache, library, program)
aws-kinesis-reshard library and program: Reshard AWS Kinesis streams in response to Cloud Watch metrics (apache, library, program)
aws-lambda library: Haskell bindings for AWS Lambda (apache, library)
aws-mfa-credentials program: Keep your AWS credentials file up to date with MFA-carrying credentials (apache, program)
aws-performance-tests library and program: Performance Tests for the Haskell bindings for Amazon Web Services (AWS) (library, mit, program)
aws-route53 library: Amazon Route53 DNS service plugin for the aws package. (bsd3, library)
aws-sdk library and test: AWS SDK for Haskell (bsd3, library, test)
aws-sdk-text-converter library and test: The text converter for aws-sdk. (bsd3, library, test)
aws-sdk-xml-unordered library and test: The xml parser for aws-sdk package (bsd3, library, test)
aws-sign4 library and test: Amazon Web Services (AWS) Signature v4 HTTP request signer (bsd3, library, test)
aws-simple library: Dead simple bindings to commonly used AWS Services (library, mit)
aws-sns library and test: Bindings for AWS SNS Version 2013-03-31 (library, mit, test)
axiom library: Web EDSL for running in browsers and server nodes using transient (library, mit)
axiomatic-classes library: Specify axioms for type classes and quickCheck all available instances (library, mit)
azubi library and tests: A simple DevOps tool which will never "reach" enterprice level. (gpl, library, test)
azure-acs library: Windows Azure ACS (bsd3, library)
azure-service-api library: Haskell bindings for the Microsoft Azure Service Management API (bsd3, library)
azure-servicebus library: Haskell wrapper over Microsoft Azure ServiceBus REST API (bsd3, library)
azurify library: A simple library for accessing Azure blob storage (bsd3, library)
b-tree library, test and benchmark: Immutable disk-based B* trees (benchmark, bsd3, library, test)
b9 library, program and test: A tool and library for building virtual machine images. (library, mit, program, test)
babl library: Haskell bindings to BABL library. (lgpl, library)
babylon program: An implementation of a simple 2-player board game (gpl, program)
backdropper library and program: Rotates backdrops for X11 displays using Imagemagic. (gpl, library, program)
backprop library and benchmark: Heterogeneous, type-safe automatic backpropagation in Haskell (benchmark, bsd3, library)
backtracking-exceptions library: A monad transformer for backtracking exceptions (bsd3, library)
backward-state library: A state monad that runs the state in reverse through the computation (bsd3, library)
bacteria program: braindead utility to compose Xinerama backgrounds (program)
bag library: A simple stable bag. (deprecated, library, mit)
bake library and program: Continuous integration system (bsd3, library, program)
ballast library and test: Shipwire API client (bsd3, library, test)
bamboo library: A blog engine on Hack (gpl, library)
bamboo-launcher program: bamboo-launcher (gpl, program)
bamboo-plugin-highlight library: A highlight middleware (gpl, library)
bamboo-plugin-photo library: A photo album middleware (bsd3, library)
bamboo-theme-blueprint library: bamboo blueprint theme (bsd3, library)
bamboo-theme-mini-html5 library: bamboo mini html5 theme (gpl, library)
bamse library: A Windows Installer (MSI) generator framework (bsd3, library)
bamstats library and program: A program to extract various information from BAM alignmnet files. (gpl, library, program)
bank-holiday-usa library and test: A library for determining US bank holidays (library, mit, test)
bank-holidays-england library and test: Calculation of bank holidays in England and Wales (bsd3, library, test)
banwords library and test: Generalized word blacklister (deprecated, library, mit, test)
barchart library and program: Creating Bar Charts in Haskell (bsd3, library, program)
barcodes-code128 library: Generate Code 128 barcodes as PDFs (library, mit)
barecheck library: QuickCheck implementations for common types (bsd3, deprecated, library)
barley program: A web based environment for learning and tinkering with Haskell (program)
barrie library: Declarative Gtk GUI library (gpl, library)
barrier library and test: Shields.io style badge generator (library, mit, test)
barrier-monad library: Implementation of barrier monad, can use custom front/back type (library, public-domain)
base library: Basic libraries (bsd3, library)
base-compat library and test: A compatibility layer for base (library, mit, test)
base-feature-macros library: Semantic CPP feature macros for base (bsd3, library)
base-generics library: This library provides some instances for extra GHC.Generic typeclass such as Int8, Word16 and some unboxed types as well. (library, mit)
base-io-access library: The IO functions included in base delimited into small, composable classes (gpl, library)
base-noprelude library: "base" package sans "Prelude" module (bsd3, library)
base-orphans library and test: Backwards-compatible orphan instances for base (library, mit, test)
base-prelude library: The most complete prelude formed solely from the "base" package (library, mit)
base-unicode-symbols library: Unicode alternatives for common functions and operators (bsd3, library)
base16-bytestring library: Fast base16 (hex) encoding and decoding for ByteStrings (bsd3, library)
base32-bytestring library, test and benchmark: Fast base32 and base32hex codec for ByteStrings (benchmark, bsd3, library, test)
base32string library and test: Fast and safe representation of a Base-32 string (library, mit, test)
base58-bytestring library, test and benchmark: Implementation of BASE58 transcoding for ByteStrings (benchmark, library, public-domain, test)
base58address library and test: Parsing and serialization for Base58 addresses (Bitcoin and Ripple) (library, test)
base58string library and test: Fast and safe representation of a Base-58 string (library, mit, test)
base64-bytestring library and test: Fast base64 encoding and decoding for ByteStrings (bsd3, library, test)
base64-conduit library and test: Base64-encode and decode streams of bytes. (deprecated) (bsd3, deprecated, library, test)
base64-string library: Base64 implementation for String's. (library)
base91 library, program and test: A Generic Base91 Encoder & Decoder (base91, binary, codec, decoding, encoding, library, mit, program, test)
basement library: Foundation scrap box of array & string (bsd3, library)
basex-client library: A BaseX client for Haskell (library, mit)
bash library: Bash generation library. (bsd3, library)
basic-cpuid library: A small package to access the cpuid instruction directly. (bsd3, library)
basic-lens library: Basic lens type and functions (bsd3, library)
basic-prelude library: An enhanced core prelude; a common foundation for alternate preludes. (library, mit)
basic-sop library: Basic examples and functions for generics-sop (bsd3, library)
baskell program: An interpreter for a small functional language (gpl, program)
batch-rename program: Make Linux or MacOS do things like "rename *.mp3 *.mp4" (program, public-domain)
batchd programs: Batch processing toolset for Linux / Unix (bsd3, program)
battlenet library: API client for Battle.Net (library, mit)
battlenet-yesod library: Yesod integration for the battlenet package (library, mit)
battleships library: A web-based implementation of battleships including an AI opponent. (battleship, bsd3, game, library, yesod)
bayes-stack library: Framework for inferring generative probabilistic models with Gibbs sampling (bsd3, library)
bbdb library: Ability to read, write, and examine BBDB files (gpl, library)
bbi library: Tools for reading Big Binary Indexed files, e.g., bigBed, bigWig (bsd3, library)
bcrypt library: Haskell bindings to the bcrypt password hash (bsd3, library)
bdd library and test: Behavior-Driven Development DSL (library, mit, test)
bdelta library: Simple, fast binary diff/patch (deprecated, library, mit)
bdo library and program: Update CSS in the browser without reloading the page. (bsd3, library, program)
beam library: A type-safe SQL mapper for Haskell that doesn't use Template Haskell (library, mit)
beam-th library and tests: Template Haskell utilities for beam (bsd3, database, library, test, th)
beamable library, test and benchmark: Generic serializer/deserializer with compact representation (benchmark, bsd3, library, test)
bearriver library: A replacement of Yampa based on Monadic Stream Functions. (bsd3, library)
beautifHOL program: A pretty-printer for higher-order logic (gpl, program)
bed-and-breakfast library and test: Efficient Matrix operations in 100% Haskell. (library, mit, test)
beeminder-api library: Bindings to the beeminder.com JSON API (bsd3, library)
bein programs: Bein is a provenance and workflow management system for bioinformatics. (deprecated, gpl, program)
bench program: Command-line benchmark tool (bsd3, program)
benchmark-function library: Test the time it takes to run a haskell function (gpl, library)
benchpress library and program: Micro-benchmarking with detailed statistics. (bsd3, library, program)
bencode library: Parser and printer for bencoded data. (bsd3, library)
bencoding library, test and benchmark: A library for encoding and decoding of BEncode data. (benchmark, bsd3, library, test)
bento library: 🍱 Manage stateful components. (library, mit)
berkeleydb library: Pretty BerkeleyDB v4 binding. (bsd3, library)
berp library and program: An implementation of Python 3. (bsd3, library, program)
bert library and test: BERT implementation (bsd3, library, test)
besout library: Extended GCD of polynomials over F_p[x] (bsd3, library)
bet library and test: Betfair API bindings. Bet on sports on betting exchanges. (library, mit, test)
betacode library and test: A codec for beta code (http://en.wikipedia.org/wiki/Beta_Code). (apache, library, test)
between library: Function combinator "between" and derived combinators (bsd3, library)
bf-cata library: (lgpl, library)
bff library: Bidirectionalization for Free! (POPL'09) (library, public-domain)
bff-mono library: "Bidirectionalization for Free" for Monomorphic Transformations (bsd3, library)
bgmax library: Parse BgMax-files (bsd3, library)
bgzf library: Blocked GZip (bsd3, deprecated, library)
bibdb program: A database based bibliography manager for BibTeX (mit, program)
bibtex library: Parse, format and processing BibTeX files (bsd3, library)
bidirectionalization-combined programs: Prototype Implementation of Combining Syntactic and Semantic Bidirectionalization (ICFP'10) (program, public-domain)
bidispec library: Specification of generators and parsers (lgpl, library)
bidispec-extras library: Extra helper functions for bidirectional specifications (lgpl, library)
bifunctors library and test: Bifunctors (bsd3, library, test)
bighugethesaurus library: API wrapper for Big Huge Thesaurus (api, gpl, language, library)
billboard-parser library and program: A parser for the Billboard chord dataset (lgpl, library, program)
billeksah-forms library: Leksah library (lgpl, library)
billeksah-main program: Leksah plugin base (lgpl, program)
billeksah-main-static program: Leksah plugin base (lgpl, program)
billeksah-pane library: Leksah library (lgpl, library)
billeksah-services library: Leksah library (lgpl, library)
bimap library and test: Bidirectional mapping between two key types (bsd3, library, test)
bimap-server library: Two-column database server. (bsd3, library)
bimaps library, test and benchmark: bijections with multiple implementations. (benchmark, bsd3, library, test)
binary library, tests and benchmarks: Binary serialisation for Haskell values using lazy ByteStrings (benchmark, bsd3, library, test)
binary-bits library and test: Bit parsing/writing on top of binary. (bsd3, library, test)
binary-communicator library: Flexible way to ease transmission of binary data. (bsd3, library)
binary-conduit library and test: data serialization/deserialization conduit library (library, mit, test)
binary-derive library: Automatic deriving of Binary using GHC.Generics (gpl, library)
binary-enum library: Simple wrappers around enum types (bsd3, library)
binary-ext library and tests: An alternate with typed errors for Data.Binary.Get monad from 'binary' library. (bsd3, library, test)
binary-file library: read/write binary file (bsd3, library)
binary-generic library: Generic binary serialisation using binary and syb. (bsd3, library)
binary-ieee754 library: Backport ieee754 float double combinators to older binary (bsd3, library)
binary-indexed-tree library: Binary Indexed Trees (a.k.a. Fenwick Trees). (lgpl, library)
binary-list library and benchmark: Lists of length a power of two. (benchmark, bsd3, library)
binary-literal-qq library: Extends Haskell with binary literals. (bsd3, deprecated, library)
binary-orphans library and test: Orphan instances for binary (bsd3, library, test)
binary-parser library and test: A highly-efficient but limited parser API specialised for bytestrings (library, mit, test)
binary-parsers library, test and benchmark: Extends binary with parsec/attoparsec style parsing combinators. (benchmark, bsd3, library, test)
binary-protocol library: Monad to ease implementing a binary network protocol. (bsd3, library)
binary-protocol-zmq library: Monad to ease implementing a binary network protocol over ZeroMQ (bsd3, library)
binary-search library and tests: Binary and exponential searches (bsd3, library, test)
binary-serialise-cbor library: Yet Another Binary Serialisation Library (compatibility shim) (bsd3, library)
binary-shared library: Sharing for the binary package (gpl, library)
binary-state library: Simple wrapper around Data.Binary, which adds StateT to Get/Put monads. (bsd3, library)
binary-store library and test: Format to store data using the binary transform. (bsd3, deprecated, library, test)
binary-streams library and test: data serialization/deserialization io-streams library (bsd3, library, test)
binary-strict library: Binary deserialisation using strict ByteStrings (bsd3, library)
binary-tagged library, test and benchmark: Tagged binary serialisation. (benchmark, bsd3, library, test)
binary-typed library, tests and benchmarks: Type-safe binary serialization (benchmark, bsd2, library, test)
binarydefer library: Binary serialization with deferred loading (bsd3, library)
bind-marshal library: Data marshaling library that uses type level equations to optimize buffering. (bsd3, library)
binding-core library and test: Data Binding (bsd3, library, test)
binding-gtk library and tests: Data Binding in Gtk2Hs (bsd3, library, test)
binding-wx library and tests: Data Binding in WxHaskell (bsd3, library, test)
bindings library: Deprecated package. (bsd3, deprecated, library)
bindings-DSL library: FFI domain specific language, on top of hsc2hs. (bsd3, library)
bindings-EsounD library: Low level bindings to EsounD (ESD; Enlightened Sound Daemon) (library, public-domain)
bindings-GLFW library and test: Low-level bindings to GLFW OpenGL library (bsd3, library, test)
bindings-K8055 library: Bindings to Velleman K8055 dll (bsd3, library)
bindings-apr library: Low level bindings to Apache Portable Runtime (APR) (library, public-domain)
bindings-apr-util library: Low level bindings to Apache Portable Runtime Utility (APR Utility) (library, public-domain)
bindings-audiofile library: Low level bindings to audiofile (library, public-domain)
bindings-bfd library: Bindings for libbfd, a library of the GNU `binutils' (lgpl, library)
bindings-cctools library: Bindings to the CCTools WorkQueue C library (gpl, library)
bindings-codec2 library and program: Very low-level FFI bindings for Codec2 (gpl, library, program)
bindings-common library: This package is obsolete. Look for bindings-DSL instead. (bsd3, deprecated, library)
bindings-dc1394 library: Library for using firewire (iidc-1394) cameras (bsd3, library)
bindings-directfb library: Low level bindings to DirectFB (bsd3, library)
bindings-eskit library: Bindings to ESKit. (bsd3, library)
bindings-fann library: Low level bindings to FANN neural network library. (bsd3, library)
bindings-fluidsynth library: Haskell FFI bindings for fluidsynth software synthesizer (bsd3, library)
bindings-friso library: Low level bindings for friso (apache, library)
bindings-glib library: Low level bindings to GLib. (bsd3, library)
bindings-gobject library: Low level bindings supporting GObject and derived libraries. (bsd3, library)
bindings-gpgme library: Project bindings-* raw interface to gpgme (bsd3, library)
bindings-gsl library: Low level bindings to GNU GSL. (bsd3, library)
bindings-gts library: Low level bindings supporting GTS, the GNU Triangulated Surface Library (lgpl, library)
bindings-hamlib library and program: Hamlib bindings for Haskell (lgpl, library, program)
bindings-hdf5 library: Project bindings-* raw interface to HDF5 library (bsd3, library)
bindings-levmar library: Low level bindings to the C levmar (Levenberg-Marquardt) library (library)
bindings-libcddb library: Low level binding to libcddb. (bsd3, library)
bindings-libffi library: Low level bindings to libffi. (bsd3, library)
bindings-libftdi library: Low level bindings to libftdi. (gpl, library)
bindings-libg15 library: Bindings to libg15 (bsd2, library)
bindings-librrd library: Low level bindings to RRDtool (library, public-domain)
bindings-libstemmer library: Binding for libstemmer with low level binding. (library, mit)
bindings-libusb library: Low level bindings to libusb. (bsd3, library)
bindings-libv4l2 library: bindings to libv4l2 for Linux (bsd3, library)
bindings-libzip library: Low level bindings to libzip. (bsd3, library)
bindings-linux-videodev2 library: bindings to Video For Linux Two (v4l2) kernel interfaces (bsd3, library)
bindings-lxc library: Direct Haskell bindings to LXC (Linux containers) C API. (bsd3, library)
bindings-mmap library: (deprecated) see bindings-posix instead (bsd3, library)
bindings-monetdb-mapi library: Low-level bindings for the MonetDB API (mapi) (bsd3, library)
bindings-mpdecimal library: bindings to mpdecimal library (bsd3, deprecated, library)
bindings-nettle library and test: bindings to nettle crypto library (gpl, library, test)
bindings-parport library: parport bindings (bsd3, library)
bindings-portaudio library: Low-level bindings to portaudio library (bsd3, library)
bindings-posix library: Low level bindings to posix. (bsd3, library)
bindings-potrace library: Low-level bindings to the potrace bitmap tracing library (gpl, library)
bindings-ppdev library: PPDev bindings (bsd3, library)
bindings-saga-cmd library and programs: Wrapping saga_cmd (gpl, library, program)
bindings-sane library: FFI bindings to libsane (lgpl, library)
bindings-sc3 library: Low-level bindings to the SuperCollider synthesis engine library. (gpl, library)
bindings-sipc library and programs: Low level bindings to SIPC. (lgpl, library, program)
bindings-sophia library: Low-level bindings to sophia library (bsd3, library)
bindings-sqlite3 library: Low level bindings to sqlite3. (bsd3, library)
bindings-svm library: Low level bindings to libsvm. (bsd3, library)
bindings-uname library: Low-level binding to POSIX uname(3) (library, public-domain)
bindings-wlc library and test: Bindings against the wlc library (bsd3, library, test)
bindings-yices library: Bindings to the Yices theorem prover (library, public-domain)
bindynamic library: A variation of Data.Dynamic.Dynamic with a Binary instance (gpl, library)
binembed library and program: Embed data into object files. (bsd3, library, program)
binembed-example program: Example project using binembed to embed data in object files. (bsd3, program)
bini library: A collection of various methods for reading and writing bini files. (bsd3, library)
bio library: A bioinformatics library (lgpl, library)
bio-sequence library and tests: Initial project template from stack (bsd3, deprecated, library, test)
bioace library: Library for reading ace assembly files (gpl, library)
bioalign library: Data structures and helper functions for calculating alignments (gpl, library)
biocore library: A bioinformatics library (lgpl, library)
biofasta library: Library for reading fasta sequence files (gpl, library)
biofastq library: A library for reading FASTQ files (lgpl, library)
biohazard library: bioinformatics support library (bsd3, library)
bioinformatics-toolkit library, test and benchmark: A collection of bioinformatics tools (benchmark, library, mit, test)
biophd library: Library for reading phd sequence files (gpl, library)
biopsl library and programs: Library and executables for working with PSL files (lgpl, library, program)
biosff library: Library and executables for working with SFF files (lgpl, library)
biostockholm library and test: Parsing and rendering of Stockholm files (used by Pfam, Rfam and Infernal). (bsd3, library, test)
bird library and program: A simple, sinatra-inspired web framework. (bsd3, library, program)
bit-array library and test: A bit array (aka bitset, bitmap, bit vector) API for numeric types (library, mit, test)
bit-stream library, test and benchmark: Lazy, infinite, compact stream of Bool with O(1) indexing. (benchmark, bsd3, library, test)
bit-vector library and test: Simple bit vectors for Haskell (bsd3, library, test)
bitarray library: Mutable and immutable bit arrays (bsd3, library)
bitcoin-api library and test: Provides access to the RPC API of Bitcoin Core (library, mit, test)
bitcoin-api-extra library and test: Higher level constructs on top of the bitcoin-api package (library, mit, test)
bitcoin-block library and test: Utility functions for manipulating bitcoin blocks (library, mit, test)
bitcoin-hs library and test: Partial implementation of the Bitcoin protocol (as of 2013) (bsd3, library, test)
bitcoin-payment-channel library, test and benchmark: Instant, two-party Bitcoin payments (benchmark, library, test)
bitcoin-rpc library and test: Library to communicate with the Satoshi Bitcoin daemon (bsd3, library, test)
bitcoin-script library and test: Compilation, manipulation and decompilation of Bitcoin scripts (library, mit, test)
bitcoin-tx library and test: Utility functions for manipulating bitcoin transactions (library, mit, test)
bitcoin-types library and test: Provides consistent low-level types used commonly among Bitcoin implementations (library, mit, test)
bitly-cli program: A command line tool to access bit.ly URL shortener. (bsd3, deprecated, program)
bitmap library: A library for handling and manipulating bitmaps (rectangular pixel arrays). (bsd3, library)
bitmap-opengl library: OpenGL support for Data.Bitmap. (bsd3, library)
bitmaps library: Bitmap library (bsd3, library)
bits library: Various bit twiddling and bitwise serialization primitives (bsd3, library)
bits-atomic library: Atomic bit operations on memory locations for low-level synchronization (bsd3, library)
bits-bytestring library, test and benchmark: Bits instance for bytestrings. (benchmark, bsd3, library, test)
bits-bytestring-lazy library, test and benchmark: Bits instance for lazy bytestrings. (benchmark, bsd3, library, test)
bits-conduit library, test and benchmark: Bitstream support for Conduit (benchmark, bsd3, library, test)
bits-extras library: Efficient high-level bit operations not found in Data.Bits (bsd3, library)
bitset library, test and benchmark: A space-efficient set data structure. (benchmark, library, mit, test)
bitspeak program: Proof-of-concept tool for writing using binary choices. (gpl, program)
bitstream library and tests: Fast, packed, strict and lazy bit streams with stream fusion (library, public-domain, test)
bitstring library: Lazy bit strings (bsd3, library)
bittorrent library and test: Bittorrent protocol implementation. (bittorrent, bsd3, library, test)
bitvec library and test: Unboxed vectors of bits / dense IntSets (library, public-domain, test)
bitwise library, test and benchmark: fast multi-dimensional unboxed bit packed Bool arrays (benchmark, bsd3, library, test)
bitx-bitcoin library and tests: A Haskell library for working with the BitX bitcoin exchange. (bsd3, library, test)
bizzlelude library: A lousy Prelude replacement by a lousy dude (bsd3, library)
bk-tree library: BK-tree implementation (library, public-domain)
bkr library and program: Backup utility for backing up to cloud storage services (S3 only right now) (bsd3, library, program)
bktrees library: A set data structure with approximate searching (bsd3, library)
bla program: a stupid cron (bsd3, deprecated, program)
black-jewel program and test: The pirate bay client. (gpl, program, test)
blacktip library, test and benchmark: Decentralized, k-ordered unique ID generator. (apache, benchmark, library, test)
blake2 library, test and benchmark: A library providing BLAKE2 (benchmark, library, public-domain, test)
blakesum library: The BLAKE SHA-3 candidate hashes, in Haskell (bsd3, deprecated, library)
blakesum-demo program: The BLAKE SHA-3 candidate hashes, in Haskell (bsd3, deprecated, program)
blank-canvas library and test: HTML5 Canvas Graphics Library (bsd3, library, test)
blas library: Bindings to the BLAS library (blas, bsd3, deprecated, library, matrix, solver)
blas-hs library and test: Low-level Haskell bindings to Blas. (library, mit, test)
blastxml library: Library for reading Blast XML output (lgpl, library)
blatex program: Blog in LaTeX (mit, program)
blaze library: None (bsd3, deprecated, library)
blaze-bootstrap library: Blaze helper functions for bootstrap pages (library, mit)
blaze-builder library and test: Efficient buffered output. (bsd3, library, test)
blaze-builder-conduit library: Convert streams of builders to streams of bytestrings. (deprecated) (bsd3, deprecated, library)
blaze-builder-enumerator library: Enumeratees for the incremental conversion of builders to bytestrings. (bsd3, library)
blaze-colonnade library and test: Helper functions for using blaze-html with colonnade (bsd3, library, test)
blaze-from-html program: Tool to convert HTML to BlazeHtml code. (bsd3, program)
blaze-html library and test: A blazingly fast HTML combinator library for Haskell (bsd3, library, test)
blaze-html-contrib library: Some contributions to add handy things to blaze html. (bsd3, library)
blaze-html-hexpat library: A hexpat backend for blaze-html. (bsd3, library)
blaze-html-truncate library: A truncator for blaze-html (bsd3, library)
blaze-json library and tests: tiny library for encoding json (library, mit, test)
blaze-markup library and test: A blazingly fast markup combinator library for Haskell (bsd3, library, test)
blaze-shields library: create svg by Haskell (bsd3, library)
blaze-svg library: SVG combinator library (bsd3, library)
blaze-textual library and test: Fast rendering of common datatypes (bsd3, library, test)
blaze-textual-native library: Fast rendering of common datatypes (deprecated) (bsd3, deprecated, library)
blazeMarker library: ... (library, mit)
blazeT library: A true monad (transformer) version of the blaze-markup and blaze-html libraries (library, mit)
ble library, programs and test: Bluetooth Low Energy (BLE) peripherals (bsd3, library, program, test)
blink1 library and program: Control library for blink(1) LED from ThingM (bsd3, library, program)
blip program: Python to bytecode compiler. (bsd3, program)
bliplib library: Support code for Blip. (bsd3, library)
blockchain library and test: Generic blockchain implementation. (bsd3, library, test)
blockhash library, program and test: Blockhash perceptual image hash algorithm (bsd3, library, program, test)
blocking-transactions library: Composable, blocking transactions. (bsd3, library)
blogination library and program: Very simple static blog software (bsd3, deprecated, library, program)
bloodhound library and test: ElasticSearch client library for Haskell (bsd3, library, test)
bloodhound-amazonka-auth library and test: Adds convenient Amazon ElasticSearch Service authentication to Bloodhound. (bsd3, library, test)
bloomfilter library and test: Pure and impure Bloom Filter implementations. (bsd3, library, test)
bloomfilter-redis library, test and benchmark: Distributed bloom filters on Redis (using the Hedis client). (benchmark, bsd3, library, test)
blosum library and program: BLOSUM generator (gpl, library, program)
bloxorz program: OpenGL Logic Game (gpl, program)
blubber program: The blubber client; connects to the blubber server. (gpl, program)
blubber-server library and program: The blubber server, serves blubber clients. (agpl, library, program)
bluemix-sdk library: Bindings to Bluemix APIs (bsd3, library)
bluetile programs: full-featured tiling for the GNOME desktop environment (bsd3, program)
bluetileutils program: Utilities for Bluetile (bsd3, deprecated, program)
blunt library and program: Convert between pointfree and pointful expressions. (deprecated, library, mit, program)
bmp library: Read and write uncompressed BMP image files. (library, mit)
bno055-haskell library: Library for communication with the Bosch BNO055 orientation sensor (library, mit)
board-games library and test: Three games for inclusion in a web server (gpl, library, test)
bogocopy program: Copy a directory tree, making zero-size sparse copies of big files. (bsd2, program)
bogre-banana library and program: (bsd3, library, program)
bolt library and test: Bolt driver for Neo4j (bsd3, library, test)
boltzmann-samplers library: Uniform random generators (library, mit)
bond library, program and test: Bond schema compiler and code generator (library, mit, program, test)
bond-haskell library, test and benchmark: Runtime support for BOND serialization (benchmark, bsd3, library, test)
bond-haskell-compiler library, program and test: Bond code generator for Haskell (bsd3, library, program, test)
bookkeeper library, program, tests and benchmark: Anonymous records and overloaded labels (benchmark, bsd3, library, program, test)
bookkeeper-permissions library: Permissions for bookkeeper records (bsd3, library)
bookkeeping library and tests: A module for bookkeeping by double entry. (library, mit, test)
bookkeeping-jp library and tests: Helper functions for Japanese bookkeeping. (library, mit, test)
bool-extras library: A fold function for Bool (bsd3, library)
boolean-like library: Logical combinatory operations dealing with datatypes representing booleans by their constructors. (bsd3, library)
boolean-list library: convert numbers to binary coded lists (gpl, library)
boolean-normal-forms library and test: Boolean normal form: NNF, DNF & CNF (library, mit, test)
boolexpr library: Boolean expressions with various representations and search queries. (bsd3, library)
bools library: None (bsd3, deprecated, library)
boolsimplifier library: Simplification tools for simple propositional formulas. (bsd3, library)
boomange program: A Bookmarks manager with a HTML generator (gpl, program)
boombox library: Chronokinetic stream sources and incremental consumers (bsd3, library)
boomerang library: Library for invertible parsing and printing (bsd3, library)
boomslang program: Boomshine clone (program, public-domain)
bootstrap-types library: Bootstrap CSS Framework type-safe interface (library, mit)
borel library and test: Metering System for OpenStack metrics provided by Vaultaire. (bsd3, library, test)
boring-game library, program and test: An educational game (bsd3, library, program, test)
boring-window-switcher library and program: A boring window switcher. (bsd3, library, program)
bot library: bots for functional reactive programming (bsd3, library)
both library: Like Maybe, but with a different Monoid instance. (library, mit)
botpp library and program: Build tool for Lambdabot (gpl, library, program)
bound library and tests: Making de Bruijn Succ Less (bsd3, library, test)
bound-gen library: Unwrap Scope's with globally fresh values (library, mit)
bounded-tchan library: Bounded Transactional channels (queues) (bsd3, deprecated, library)
boundingboxes library: A generic boundingbox for an arbitrary vector (bsd3, library)
bower-json library and test: Read bower.json from Haskell (library, mit, test)
bowntz program: audio-visual pseudo-physical simulation of colliding circles (gpl, program)
box-tuples library: A hack to use GHC.Prim primitives in GHCi (library, mit)
boxes library and test: 2D text pretty-printing library (bsd3, library, test)
bpann library: backpropagation neuronal network (bsd3, library)
braid library and program: Types and functions to work with braids and Khovanov homology. (bsd3, library, program)
brain-bleep program: primitive imperative language (bsd3, program)
brainfuck library and program: Brainfuck interpreter (gpl, library, program)
brainfuck-monad library: BrainFuck monad (bsd3, library)
brainfuck-tut library and program: A simple BF interpreter. (bsd3, library, program)
brainheck library, program and benchmark: Brainh*ck interpreter in haskell (benchmark, bsd3, library, program)
break library: Break from a loop (bsd3, library)
breakout program: A simple Breakout game implementation. (gpl, program)
breve program: a url shortener (mit, program)
brians-brain program: A Haskell implementation of the Brian's Brain cellular automaton (bsd3, program)
brick library: A declarative terminal user interface library (bsd3, library)
brillig library and program: Simple part of speech tagger (bsd3, library, program)
brittany library: Haskell source code formatter (agpl, library)
broadcast-chan library: Broadcast channel type that avoids 0 reader space leaks. (bsd3, library)
broccoli library: Small library for interactive functional programs. (bsd3, library)
broker-haskell library and test: Haskell bindings to Broker, Bro's messaging library. (bsd3, library, test)
browscap library: A reader and interface for the Browser Capabilities Project data files. (bsd3, library)
bsd-sysctl library: Access to the BSD sysctl(3) interface (bsd3, library)
bson library and test: BSON documents are JSON-like objects with a standard binary encoding. (library, test)
bson-generic library: Generic functionality for BSON (bsd3, library)
bson-generics library: Generics functionality for BSON (bsd3, deprecated, library)
bson-lens library: BSON lenses (library, mit)
bson-mapping library: Mapping between BSON and algebraic data types. (library)
bspack library, test and benchmark: A simple and fast bytestring packer (benchmark, bsd3, library, test)
bsparse library: A simple unassuming parser for bytestring (bsd3, library)
btree library, test and benchmark: B-Tree on the compact heap (benchmark, bsd3, library, test)
btree-concurrent library and test: A backend agnostic, concurrent BTree (lgpl, library, test)
btrfs library: Bindings to the btrfs API (bsd3, library)
buchhaltung library and program: Automates most of your plain text accounting data entry in ledger format. (library, mit, program)
buffer-builder library, tests and benchmarks: Library for efficiently building up buffers, one piece at a time (benchmark, bsd3, library, test)
buffer-builder-aeson library, test and benchmark: Serialize Aeson values with Data.BufferBuilder (benchmark, library, mit, test)
buffer-pipe program: Read from stdin and write to stdout in large blocks (bsd3, program)
buffon library: An implementation of Buffon machines. (bsd2, library)
bug library: Better alternatives to the "error" function (library, mit)
bugzilla library: A Haskell interface to the Bugzilla native REST API (bsd3, library)
buildable library: Typeclass for builders of linear data structures (library, mit)
buildbox library: Rehackable components for writing buildbots and test harnesses. (bsd3, library)
buildbox-tools program: Tools for working with buildbox benchmark result files. (bsd3, program)
buildwrapper library, program and test: A library and an executable that provide an easy API for a Haskell IDE (bsd3, library, program, test)
bullet library: A wrapper for the Bullet physics engine. (bsd3, library)
bumper program: Automatically bump package versions, also transitively. (bsd3, program)
burnt-explorer program: List OP_RETURN cryptocurrency transaction outputs. (apache, program)
burst-detection library, test and benchmark: Burst detection algorithms (benchmark, gpl, library, test)
bus-pirate library: Haskell interface to the Bus Pirate binary interface (bsd3, library)
buster library: Almost but not quite entirely unlike FRP (bsd3, library)
buster-gtk library: Almost but not quite entirely unlike FRP (bsd3, library)
buster-network library: Almost but not quite entirely unlike FRP (bsd3, library)
bustle program and tests: Draw sequence diagrams of D-Bus traffic (program, test)
butcher library: Chops a command or program invocation into digestable pieces. (bsd3, library)
butterflies library and program: butterfly tilings (gpl, library, program)
bv library: Bit-vector arithmetic library (bsd3, library)
byline library: Library for creating command-line interfaces (colors, menus, etc.) (bsd2, library)
bytable library: data from/to ByteString (bsd3, library)
byteable library: Type class for sequence of bytes (bsd3, library)
bytedump library: Flexible byte dump helpers for human readers. (bsd3, library)
byteorder library: Exposes the native endianness or byte ordering of the system. (bsd3, library)
bytes library: Sharing code for serialization between binary and cereal (bsd3, library)
byteset library: Set of bytes. (bsd3, library)
bytestring library and tests: Fast, compact, strict and lazy byte strings with a list interface (bsd3, library, test)
bytestring-arbitrary library, test and benchmark: Arbitrary instances for ByteStrings (benchmark, bsd3, library, test)
bytestring-builder library: The new bytestring builder, packaged outside of GHC (bsd3, library)
bytestring-class library: Classes for automatic conversion to and from strict and lazy bytestrings. (deprecated) (bsd3, deprecated, library)
bytestring-conversion library, test and benchmark: Type-classes to convert values to and from ByteString. (benchmark, library, mpl, test)
bytestring-csv library: Parse CSV formatted data efficiently (bsd3, library)
bytestring-delta library: Simple, fast binary diff/patch (library, mit)
bytestring-from library and test: A type-class to convert values from ByteString. (deprecated, library, test)
bytestring-handle library and test: ByteString-backed Handles (bsd3, library, test)
bytestring-lexing library: Parse and produce literals efficiently from strict or lazy bytestrings. (bsd2, library)
bytestring-mmap library: mmap support for strict ByteStrings (bsd3, library)
bytestring-nums library: Parse numeric literals from ByteStrings. (bsd3, library)
bytestring-plain library: Plain byte strings ('ForeignPtr'-less 'ByteString's) (bsd3, library)
bytestring-progress library: A library for tracking the consumption of a lazy ByteString (bsd3, library)
bytestring-read library, tests and benchmark: fast ByteString to number converting library (benchmark, library, mit, test)
bytestring-rematch library and test: Rematch support for ByteString (library, mit, test)
bytestring-short library and test: Backport copy of ShortByteString (bsd3, library, test)
bytestring-show library: Efficient conversion of values into readable byte strings. (bsd3, library)
bytestring-strict-builder library, test and benchmark: An efficient strict bytestring builder (benchmark, library, mit, test)
bytestring-time library and test: Library for Time parsing from ByteString (bsd3, deprecated, library, test)
bytestring-tree-builder library, test and benchmark: A very efficient ByteString builder implementation based on the binary tree (benchmark, library, mit, test)
bytestring-trie library: An efficient finite map from (byte)strings to values. (bsd3, library)
bytestring-typenats library, test and benchmark: Bytestrings with typenat lengths (benchmark, bsd3, library, test)
bytestringparser library: Combinator parsing with Data.ByteString.Lazy (bsd3, library)
bytestringparser-temporary library: Combinator parsing with Data.ByteString.Lazy (bsd3, library)
bytestringreadp library: A ReadP style parser library for ByteString (bsd3, library)
bzlib library: Compression and decompression in the bzip2 format (bsd3, library)
bzlib-conduit library, test and benchmark: Streaming compression/decompression via conduits. (benchmark, bsd3, library, test)
c-dsl library: A higher level DSL on top of language-c (library, mit)
c-io library: C IO. (bsd3, library)
c-mosquitto library, program and test: Simpe mosquito MQTT binding able to work with the Amazons IoT (bsd3, library, program, test)
c-storable-deriving library: Generate C-like storable instances from datatypes (bsd3, library)
c0check program: Simple C0 Syntax Check (gpl, program)
c0parser library: Simple C0 Parser (gpl, library)
c10k library: C10k server library using prefork (bsd3, library)
c2ats library, program and test: Translate C code into ATS (gpl, library, program, test)
c2hs program and tests: C->Haskell FFI tool that gives some cross-language type safety (gpl, program, test)
c2hs-extra library: Convenient marshallers for complicate C types. (library, mit)
c2hsc program: Convert C API header files to .hsc and .hsc.helper.c files (bsd3, program)
cab library and program: A maintenance command of Haskell cabal packages (bsd3, library, program)
cabal library: placeholder for Cabal package, you want the upper case Cabal (bsd2, deprecated, library)
cabal-audit program: Check how up-to-date your .cabal dependencies are. (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, library, program, test)
cabal-cargs library, program and test: A command line program for extracting compiler arguments from a cabal file. (bsd3, library, program, test)
cabal-constraints program: Repeatable builds for cabalized Haskell projects. (mit, program)
cabal-db program: query tools for the local cabal database (bsd3, program)
cabal-debian library and program: Create a Debianization for a Cabal package (bsd3, library, program)
cabal-dependency-licenses program: Compose a list of a project's transitive dependencies with their licenses (bsd3, program)
cabal-dev programs: Manage sandboxed Haskell build environments (bsd3, deprecated, program)
cabal-dir program: show dist dir of 'cabal copy/install' (bsd3, program)
cabal-doctest library: A Setup.hs helper for doctests running (bsd3, library)
cabal-file-th library and test: Template Haskell expressions for reading fields from a project's cabal file. (bsd3, library, test)
cabal-ghc-dynflags library: Conveniently configure GHC's dynamic flags for use with Cabal projects (bsd3, library)
cabal-ghci library and program: Set up ghci with options taken from a .cabal file (bsd3, deprecated, library, program)
cabal-graphdeps program: Generate graphs of install-time Cabal dependencies (mit, program)
cabal-helper library, program and test: Simple interface to some of Cabal's configuration state used by ghc-mod (agpl, library, program, test)
cabal-info library and program: Read information from cabal files (library, mit, program)
cabal-install program and tests: The command-line interface for Cabal and Hackage. (bsd3, program, test)
cabal-install-bundle program: The (bundled) command-line interface for Cabal and Hackage. (bsd3, program)
cabal-install-ghc72 program: Temporary version of cabal-install for ghc-7.2 (bsd3, program)
cabal-install-ghc74 program: Temporary version of cabal-install for ghc-7.4 (bsd3, program)
cabal-lenses library: Lenses and traversals for the Cabal library. (bsd3, library)
cabal-macosx library, program and test: Cabal support for creating Mac OSX application bundles. (bsd3, library, program, test)
cabal-meta library, program and test: build multiple packages at once (bsd3, library, program, test)
cabal-mon program: A monitor for cabal builds (mit, program)
cabal-nirvana program: Avoid Cabal dependency hell by constraining to known good versions. (deprecated) (bsd3, deprecated, program)
cabal-plan library: Library and utiltity for processing cabal's plan.json file (gpl, library)
cabal-progdeps program: Show dependencies of program being built in current directory (bsd3, program)
cabal-query library: Helpers for quering .cabal files or hackageDB's 00-index.tar (bsd3, library)
cabal-rpm program: RPM packaging tool for Haskell Cabal-based packages (gpl, program)
cabal-scripts library: Shell scripts for support of Cabal maintenance (bsd3, library)
cabal-setup program: The user interface for building and installing Cabal packages (bsd3, program)
cabal-sign program: Sign and verify Cabal packages. (bsd3, program)
cabal-sort programs: Topologically sort cabal packages (bsd3, program)
cabal-src programs: Alternative install procedure to avoid the diamond dependency issue. (bsd3, deprecated, program)
cabal-test program: Automated test tool for cabal projects. (bsd3, program)
cabal-test-bin library, program and test: A program for finding temporary build file during cabal-test. (bsd3, library, program, test)
cabal-test-compat library: Compatibility interface of cabal test-suite. (bsd3, deprecated, library)
cabal-test-quickcheck library: QuickCheck for Cabal (library, mit)
cabal-uninstall program: Uninstall cabal packages (bsd3, program)
cabal-upload program: Command-line tool for uploading packages to Hackage (bsd3, program)
cabal2arch program: Create Arch Linux packages from Cabal packages. (bsd3, deprecated, program)
cabal2doap program: Cabal to Description-of-a-Project (DOAP) (bsd3, program)
cabal2ebuild library and programs: make gentoo's .ebuild file from .cabal file (bsd3, library, program)
cabal2ghci program: A tool to generate .ghci file from .cabal (bsd3, program)
cabal2nix library, programs and test: Convert Cabal files into Nix build instructions. (bsd3, library, program, test)
cabal2spec program: Generates RPM Spec files from cabal files (gpl, program)
cabalQuery library and program: A simple tool to query cabal files. (bsd3, library, program)
cabalg library, program and tests: alias for cabal install from given git repo (library, mit, program, test)
cabalgraph program: Generate pretty graphs of module trees from cabal files (bsd3, program)
cabalish program: Provides access to the cabal file data for shell scripts (bsd3, program)
cabalmdvrpm library and program: Create mandriva rpm from cabal package (gpl, library, program)
cabalrpmdeps library and programs: Autogenerate rpm dependencies from cabal files (gpl, library, program)
cabalvchk program: Verify installed package version against user-specified constraints. (bsd3, program)
cabin program: Cabal binary sandboxes. (bsd3, program)
cabocha library and test: (bsd3, library, test)
cache library and test: An in-memory key/value store with expiration support (bsd3, library, test)
cached-io library and program: A simple library to cache a single IO action with timeout (apache, library, program)
cached-traversable library: Transparent, persistent caching of lazy, traversable structures (bsd3, library)
cacophony library, tests and benchmark: A library implementing the Noise protocol. (benchmark, library, public-domain, test)
caf library: A library of Concurrency Abstractions using Futures. (bsd3, library)
cafeteria-prelude library: Prelude subsets—take only what you want! (library, mit)
caffegraph library: (bsd3, library)
cairo library: Binding to the Cairo library. (bsd3, library)
cairo-appbase program: A template for building new GUI applications using GTK and Cairo. (bsd3, program)
cairo-canvas library: Simpler drawing API for Cairo. (library, mit)
cake library and program: A build-system library and driver (gpl, library, program)
cake3 library and programs: Third cake the Makefile EDSL (bsd3, library, program)
cakyrespa program: run turtle like LOGO with lojban (bsd3, program)
cal3d library: Haskell binding to the Cal3D animation library. (lgpl, library)
cal3d-examples programs: Examples for the Cal3d animation library. (gpl, program)
cal3d-opengl library: OpenGL rendering for the Cal3D animation library (lgpl, library)
calc program: A small compiler for arithmetic expressions. (bsd3, program)
calculator program and test: A calculator repl, with variables, functions & Mathematica like dynamic plots. (gpl, program, test)
caldims library and program: Calculation tool and library supporting units (gpl, library, program)
caledon program: a logic programming language based on the calculus of constructions (gpl, program)
calendar-recycling program: List years with the same calendars (bsd3, program)
call library: The call game engine (bsd3, library)
call-haskell-from-anything library and program: Call Haskell functions from other languages via serialization and dynamic libraries (library, mit, program)
call-stack library and test: Use GHC call-stacks in a backward compatible way (library, mit, test)
camfort library, program and test: CamFort - Cambridge Fortran infrastructure (apache, library, program, test)
camh program: write image files onto 256(or 24bit) color terminals. (bsd3, program)
campfire library: Haskell implementation of the Campfire API (bsd3, library)
canonical-filepath library: Abstract data type for canonical file paths. (bsd3, library)
canteven-config library: A pattern for configuring programs. (apache, library)
canteven-http library: Utilities for HTTP programming. (library, mit)
canteven-listen-http library: data types to describe HTTP services (apache, library)
canteven-log library: A canteven way of setting up logging for your program. (apache, library)
canteven-parsedate library and test: Date / time parsing utilities that try to guess the date / time format. (apache, library, test)
canteven-template library: A few utilites and helpers for using Template Haskell in your projects. (apache, library)
cantor program and test: Application for analysis of java source code (bsd3, program, test)
cao program: CAO Compiler (gpl, program)
cap program: Interprets and debug the cap language. (bsd3, program)
capped-list library: A list-like type for lazy sequences, with a user-defined termination value. (bsd3, deprecated, library)
capri program: A simple wrapper over cabal-install to operate in project-private mode. (bsd3, program)
car-pool program: Simple web-server for organizing car-pooling for an event (bsd3, program)
caramia library and tests: High-level OpenGL bindings (library, mit, test)
carbonara library: some spaghetti code (bsd3, library)
carboncopy program: Drop emails from threads being watched into special CC folder. (bsd3, program)
carettah programs: A presentation tool written with Haskell. (gpl, program)
carray library, test and benchmarks: A C-compatible array library. (benchmark, bsd3, library, test)
carte program: Carte: A commandline pastebin server. (gpl, program)
cartel library, program and test: Specify Cabal files in Haskell (bsd3, library, program, test)
casa-abbreviations-and-acronyms library and test: CASA Abbreviations and Acronyms (library, test)
casadi-bindings library and tests: mid-level bindings to CasADi (lgpl, library, test)
casadi-bindings-control library: low level bindings to casadi-control (deprecated, lgpl, library)
casadi-bindings-core library: autogenerated low level bindings to casadi (lgpl, library)
casadi-bindings-internal library: low level bindings to CasADi (lgpl, library)
casadi-bindings-ipopt-interface library: low level bindings to casadi-ipopt_interface (deprecated, lgpl, library)
casadi-bindings-snopt-interface library: low level bindings to casadi-snopt_interface (deprecated, lgpl, library)
cascading library: DSL for HTML CSS (Cascading Style Sheets) (bsd3, deprecated, library)
case-conversion library, program and test: Convert between different cases (bsd3, library, program, test)
case-insensitive library, test and benchmark: Case insensitive string comparison (benchmark, bsd3, library, test)
case-insensitive-match library, program, test and benchmarks: A simplified, faster way to do case-insensitive matching. (benchmark, bsd3, library, program, test)
cased library: Track string casing in its type (library, mit)
cases library, test and benchmark: A converter for spinal, snake and camel cases (benchmark, library, mit, test)
cash library: the Computer Algebra SHell (bsd3, library)
casing library: Convert between various source code casing conventions (library, mit)
casr-logbook library and test: CASR 61.345 Pilot Personal Logbook (library, test)
casr-logbook-html library and test: CASR 61.345 Pilot Personal Logbook HTML output (library, test)
casr-logbook-meta library and test: Meta-information about entries in a CASR 61.345 logbook (casr-logbook) (library, test)
casr-logbook-meta-html library and test: Meta-information about entries in a CASR 61.345 logbook (casr-logbook) HTML output (library, test)
casr-logbook-reports library and test: CASR 61.345 logbook (casr-logbook) reports. (library, test)
casr-logbook-reports-html library and test: CASR 61.345 logbook reports HTML output (library, test)
casr-logbook-reports-meta library and test: Reports on meta-information about entries in a CASR 61.345 logbook (casr-logbook) (library, test)
casr-logbook-reports-meta-html library and test: HTML output for reports on meta-information about entries in a CASR 61.345 logbook (library, test)
casr-logbook-types library and test: CASR 61.345 Pilot Personal Logbook (library, test)
cassandra-cql library: Haskell client for Cassandra's CQL protocol (bsd3, library)
cassandra-thrift library: thrift bindings to the cassandra database (library)
cassava library and test: A CSV parsing and encoding library (bsd3, library, test)
cassava-conduit library, test and benchmark: Conduit interface for cassava package (benchmark, bsd3, library, test)
cassava-megaparsec library and test: Megaparsec parser of CSV files that plays nicely with Cassava (library, mit, test)
cassava-streams library and test: io-streams interface for the cassava CSV library. (bsd3, library, test)
cassette library: A combinator library for simultaneously defining parsers and pretty printers. (bsd3, library)
cassy library and test: A high level driver for the Cassandra datastore (bsd3, library, test)
cast library: Abstact cast pattern (bsd3, library)
castle program: A tool to manage shared cabal-install sandboxes. (apache, program)
casui program: Equation Manipulator (mit, program)
catamorphism library: A package exposing a helper function for generating catamorphisms. (bsd3, library)
catch-fd library: MonadThrow and MonadCatch, using functional dependencies (bsd3, library)
categorical-algebra library: Categorical Monoids and Semirings (bsd3, library)
categories library: Categories (bsd3, library)
category-extras library: A meta-package documenting various packages inspired by category theory (bsd3, library)
category-printf library: Highbrow approach to type-safe printf format specifications. (bsd3, library)
category-traced library: Traced monoidal categories (bsd3, library)
catnplus program: Simple tool to display text files with line numbers and paging (mit, program)
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)
cayley-client library and test: A Haskell client for the Cayley graph database (bsd3, library, test)
cayley-dickson library and test: Complex numbers, quaternions, octonions, sedenions, etc. (library, mit, test)
cblrepo program: Tool to maintain a database of CABAL packages and their dependencies (program)
cbor-tool program: A tool for manipulating CBOR. (bsd3, program)
cborg library: Concise Binary Object Representation (bsd3, library)
cborg-json library: A library for encoding JSON as CBOR (bsd3, library)
cci library and tests: Bindings for the CCI networking library (bsd3, library, test)
ccnx library: A Haskell implementation of the CCNx network protocol. (bsd3, library)
cctools-workqueue library: High-level interface to CCTools' WorkQueue library (gpl, library)
cedict library and program: Convenient Chinese phrase & character lookup. (gpl, library, program)
cef library and test: CEF log format (bsd3, library, test)
cef3-raw library: Raw CEF3 bindings (bsd3, library)
cef3-simple library: Simple wrapper around cef3-raw (bsd3, library)
ceilometer-common library and test: Common Haskell types and encoding for OpenStack Ceilometer (bsd3, library, test)
cellrenderer-cairo library: Cairo-based CellRenderer (bsd3, library)
celtchar library, program and test: A tool to build a novel (library, mit, program, test)
cerberus library, program and test: Protect and control API access with cerberus (bsd3, deprecated, library, program, test)
cereal library and test: A binary serialization library (bsd3, library, test)
cereal-conduit library and test: Turn Data.Serialize Gets and Puts into Sources, Sinks, and Conduits (bsd3, library, test)
cereal-derive library: Automatic deriving of Serialize using GHC.Generics (gpl, library)
cereal-enumerator library: Deserialize things with cereal and enumerator (library, public-domain)
cereal-ieee754 library: Floating point support for the 'cereal' serialization library (bsd3, deprecated, library)
cereal-io-streams library, test and benchmark: io-streams support for the cereal binary serialization library (benchmark, bsd3, library, test)
cereal-plus library and test: An extended serialization library on top of "cereal" (library, mit, test)
cereal-streams library, test and benchmark: Use cereal to encode/decode io-streams. (benchmark, bsd3, deprecated, library, test)
cereal-text library: Data.Text instances for the cereal serialization library (apache, library)
cereal-vector library and test: Serialize instances for Data.Vector types. (bsd3, library, test)
certificate library: Certificates and Key Reader/Writer (bsd3, deprecated, library)
cf library and test: Exact real arithmetic using continued fractions (library, mit, test)
cfipu program: cfipu processor for toy brainfuck-like language (bsd3, program)
cflp library: Constraint Functional-Logic Programming in Haskell (bsd3, library)
cfopu program: cfopu processor (bsd3, deprecated, program)
cg program: Parser for categorial grammars. (gpl, program)
cgen library and programs: generates Haskell bindings and C wrappers for C++ libraries (bsd3, library, program)
cgi library and test: A library for writing CGI programs (bsd3, library, test)
cgi-undecidable library: Undecidable instances for the cgi package. (bsd3, library)
cgi-utils library: Simple modular utilities for CGI/FastCGI (sessions, etc.) (bsd3, library)
cgrep program: Command line tool (gpl, program)
chain-codes library and test: Library decoding chain codes from images (gpl, library, test)
chalk library: Terminal string styling. (library, mit)
chalkboard library: Combinators for building and processing 2D images. (bsd3, library)
chalkboard-viewer library: OpenGL based viewer for chalkboard rendered images. (bsd3, library)
chalmers-lava2000 library: Hardware description EDSL (bsd3, library)
chan-split library: Concurrent Chans as read/write pairs. Also provides generic Chan pair class. (bsd3, library)
change-monger library and program: Parse VCS changelogs into ChangeLogs (bsd3, library, program)
charade library and program: Rapid prototyping websites with Snap and Heist (bsd3, library, program)
charset library: Fast unicode character sets based on complemented PATRICIA tries (bsd3, library)
charsetdetect library: Character set detection using Mozilla's Universal Character Set Detector (lgpl, library)
charsetdetect-ae library: Character set detection using Mozilla's Universal Character Set Detector (lgpl, library)
chart-histogram library: Easily render histograms with Chart (bsd3, deprecated, library)
chart-unit library, program and test: Native haskell charts. (bsd3, library, program, test)
chaselev-deque library and test: Chase & Lev work-stealing lock-free double-ended queues (deques). (bsd3, library, test)
chatter library, programs and test: A library of simple NLP algorithms. (bsd3, library, program, test)
chatty library: Some monad transformers and typeclasses for abstraction of global dependencies. (agpl, library)
chatty-text library: Provides some classes and types for dealing with text, using the fundaments of Chatty. (agpl, library)
chatty-utils library: Some utilities every serious chatty-based application may need. (agpl, library)
chatwork library, program and test: The ChatWork API in Haskell (library, mit, program, test)
cheapskate library and program: Experimental markdown processor. (bsd3, library, program)
cheapskate-highlight library: Code highlighting for cheapskate (bsd3, library)
cheapskate-lucid library: Use cheapskate with Lucid (bsd3, library)
cheapskate-terminal library, program and test: Initial project template from stack (bsd3, library, program, test)
check-email library: Confirm whether an email is valid and probably existant. (bsd3, library)
check-pvp program: Check whether module and package imports conform to the PVP (bsd3, program)
checked library: Bounds-checking integer types. (bsd3, library)
checkers library: Check properties on standard classes and data structures. (bsd3, library)
chell library: A simple and intuitive library for automated testing. (library, mit)
chell-hunit library: HUnit support for the Chell testing library (library, mit)
chell-quickcheck library: QuickCheck support for the Chell testing library (library, mit)
chesshs library: Simple library for validating chess moves and parsing PGN files (bsd3, library)
chevalier-common library: Query interface for Chevalier (bsd3, library)
chitauri program and test: Helper for the Major System (bsd3, program, test)
choice library: A solution to boolean blindness. (library, public-domain)
choose library: Choose random elements from a stream. (apache, library)
choose-exe library and program: Command-line program to choose random element from a stream. (apache, library, program)
chorale library and test: A module containing basic functions that the prelude does not offer (library, mit, test)
chorale-geo library and test: A module containing basic geo functions (library, mit, test)
chp library: An implementation of concurrency ideas from Communicating Sequential Processes (bsd3, library)
chp-mtl library: MTL class instances for the CHP library (bsd3, library)
chp-plus library: A set of high-level concurrency utilities built on Communicating Haskell Processes (bsd3, library)
chp-spec library: A mirror implementation of chp that generates a specification of the program (bsd3, library)
chp-transformers library: Transformers instances for the CHP library (bsd3, library)
chronograph library: measure timings of data evaluation (bsd3, library)
chronologique library and test: Time to manipulate time (bsd3, library, test)
chronos library and test: A performant time library (bsd3, library, test)
chu2 library: FFI for Chu2 Agda Web Server Interface (bsd3, library)
chuchu library and tests: Behaviour Driven Development like Cucumber for Haskell (library, test)
chunked-data library: Typeclasses for dealing with various chunked data representations (library, mit)
chunks library: Simple template library with static safety (lgpl, library)
chunky library, program and test: Human-readable storage of text/binary objects. (deprecated, lgpl, library, program, test)
church-list library: Removed; please see fmlist. (deprecated, library, mit)
church-pair library: Church encoded pair (bsd3, library)
cielo library and test: Cielo API v3 Bindings for Haskell (agpl, library, test)
cil library: An interface to CIL. (bsd3, library)
cinvoke library: A binding to cinvoke. (bsd3, library)
cio library: A monad for concurrent IO on a thread pool (deprecated, library, mit)
cipher-aes library, test and benchmark: Fast AES cipher implementation with advanced mode of operations (benchmark, bsd3, deprecated, library, test)
cipher-aes128 library and benchmark: AES and common modes using AES-NI when available. (benchmark, bsd3, library)
cipher-blowfish library, test and benchmark: Blowfish cipher (benchmark, blowfish, bsd3, crypto-platform, cryptography, deprecated, library, test)
cipher-camellia library, test and benchmark: Camellia block cipher primitives (benchmark, bsd3, camellia, crypto-platform, cryptography, library, test)
cipher-des library, test and benchmark: DES and 3DES primitives (benchmark, bsd3, library, test)
cipher-rc4 library, test and benchmark: Fast RC4 cipher implementation (ARC4, RC4, benchmark, bsd3, crypto-platform, cryptography, deprecated, library, test)
cipher-rc5 library: Pure RC5 implementation (bsd3, library)
ciphersaber2 library and program: Implementation of CipherSaber2 RC4 cryptography. (library, mit, program)
circ library: A Compiler IR Compiler. (bsd3, library)
circle-packing library: Simple heuristic for packing discs of varying radii in a circle (bsd3, library)
circlehs library: The CircleCI REST API for Haskell (library, mit)
cirru-parser library: Cirru Parser in Haskell (library, mit)
citation-resolve library and tests: convert document IDs such as DOI, ISBN, arXiv ID to bibliographic reference. (bsd3, library, test)
citeproc-hs library: A Citation Style Language implementation in Haskell (bsd3, library)
citeproc-hs-pandoc-filter program: A Pandoc filter for processing bibliographic references with citeproc-hs (gpl, program)
cityhash library and test: Bindings to CityHash (library, mit, test)
cj-token library, program and test: A new Haskeleton package. (library, program, test)
cjk library and test: Data about Chinese, Japanese and Korean characters and languages (bsd3, library, test)
clac program: Simple CLI RPN calculator (gpl, program)
clafer library, program and tests: Compiles Clafer models to other formats: Alloy, JavaScript, JSON, HTML, Dot. (library, mit, program, test)
claferIG library, program and test: claferIG is an interactive tool that generates instances of Clafer models. (library, mit, program, test)
claferwiki library: A wiki-based IDE for literate modeling with Clafer (library, mit)
clang-pure library: Pure C++ code analysis with libclang (apache, library)
clanki program: Command-line spaced-repetition software (mit, program)
clarifai library: API Client for the Clarifai API. (library, mit)
clash library: CAES Language for Synchronous Hardware (CLaSH) (bsd3, deprecated, library)
clash-ghc library and programs: CAES Language for Synchronous Hardware (bsd2, library, program)
clash-lib library: CAES Language for Synchronous Hardware - As a Library (bsd2, library)
clash-multisignal library: (bsd3, library)
clash-prelude library: CAES Language for Synchronous Hardware - Prelude library (bsd2, library)
clash-prelude-quickcheck library: QuickCheck instances for various types in the CλaSH Prelude (library)
clash-systemverilog library: CAES Language for Synchronous Hardware - SystemVerilog backend (bsd2, library)
clash-verilog library: CAES Language for Synchronous Hardware - Verilog backend (bsd2, library)
clash-vhdl library: CAES Language for Synchronous Hardware - VHDL backend (bsd2, library)
classify library: Library for classification of media files. (library, public-domain)
classy-influxdb-simple library: Super simple InfluxDB package in Classy-MTL style (bsd3, library)
classy-parallel library: Fork of the monad-parallel package using monad-control (gpl, library)
classy-prelude library and test: A typeclass-based Prelude. (library, mit, test)
classy-prelude-conduit library and test: classy-prelude together with conduit functions (library, mit, test)
classy-prelude-yesod library: Provide a classy prelude including common Yesod functionality. (library, mit)
classyplate library: Fuseable type-class based generics (bsd3, library)
clay library and test: CSS preprocessor as embedded Haskell. (bsd3, library, test)
clckwrks library: A secure, reliable content management system (CMS) and blogging platform (bsd3, library)
clckwrks-cli program: a command-line interface for adminstrating some aspects of clckwrks (bsd3, program)
clckwrks-dot-com program: clckwrks.com (bsd3, program)
clckwrks-plugin-bugs library: bug tracking plugin for clckwrks (bsd3, library)
clckwrks-plugin-ircbot library: ircbot plugin for clckwrks (bsd3, library)
clckwrks-plugin-mailinglist library: mailing list plugin for clckwrks (bsd3, library)
clckwrks-plugin-media library: media plugin for clckwrks (bsd3, library)
clckwrks-plugin-page library: support for CMS/Blogging in clckwrks (bsd3, library)
clckwrks-theme-bootstrap library: simple bootstrap based template for clckwrks (bsd3, library)
clckwrks-theme-clckwrks library: simple bootstrap based template for clckwrks (bsd3, library)
clckwrks-theme-geo-bootstrap library: geo bootstrap based template for clckwrks (bsd3, library)
cld2 library: Haskell bindings to Google's Compact Language Detector 2 (apache, library)
clean-home program: Keep your home dir clean by finding old conf files (bsd3, program)
clean-unions library: Open unions without need for Typeable (bsd3, library)
cless program: Colorized LESS (mit, program)
clevercss library and program: A CSS preprocessor (bsd3, library, program)
cli library and test: Command Line Interface (bsd3, library, test)
cli-builder library and test: Simple project template from stack (library, mit, test)
click-clack program: Toy game (tetris on billiard board). Hipmunk in action. (program)
clientsession library, program and test: Securely store session data in a client-side cookie. (library, mit, program, test)
clif library, test and benchmark: A Clifford algebra number type for Haskell (benchmark, library, mit, test)
clifford library, program, test and benchmark: A Clifford algebra library (benchmark, bsd3, library, program, test)
clingo library: Haskell bindings to the Clingo ASP solver (library, mit)
clippard library: A simple Haskell library for copying text to the clipboard in a cross-platform way. (library, mit)
clipper library: Haskell API to clipper (2d polygon union/intersection/xor/clipping API) (bsd3, library)
clippings library, program and test: A parser/generator for Kindle-format clipping files (`My Clippings.txt`), (library, mit, program, test)
clist library: Counted list (library)
clit library and program: Post tweets from stdin (bsd3, library, program)
cloben program: Clone and benchmark Haskell cabal projects (bsd3, program)
clock library and test: High-resolution clock functions: monotonic, realtime, cputime. (bsd3, library, test)
clock-extras library and test: A couple functions that probably should be in the 'clock' package (bsd3, library, test)
clocked library: timer functionality to clock IO commands (lgpl, library)
clogparse library: Parse IRC logs such as the #haskell logs on tunes.org (bsd3, library)
clone-all program: Clone all github repositories from a given user (github, mit, program)
closure library: Depth- and breadth-first set closures (library, mit)
cloud-haskell library: The Cloud Haskell Application Platform (bsd3, library)
cloud-seeder library and test: A tool for interacting with AWS CloudFormation (library, test)
cloudfront-signer library: CloudFront URL signer (bsd3, library)
cloudi library: Haskell CloudI API (library, mit)
cloudyfs program: A cloud in the file system. (program)
clr-bindings library and test: Glue between clr-host and clr-typed (bsd3, library, test)
clr-host library and test: Hosting the Common Language Runtime (bsd3, library, test)
clr-inline library, test and benchmark: Quasiquoters for inline C# and F# (benchmark, bsd3, library, test)
clr-marshal library: Marshaling for the clr (bsd3, library)
clr-typed library and test: A strongly typed Haskell interface to the CLR type system (bsd3, library, test)
clr-win-linker program: A GHC linker wrapper tool to workaround a GHC >8.2 bug (bsd3, program)
cltw program: Command line Twitter utility (bsd3, program)
clua program: C to Lua data wrapper generator (bsd3, program)
clumpiness library: Calculate the clumpiness of leaf properties in a tree (gpl, library)
cluss library: simple alternative to type classes (bsd3, library)
clustering library, test and benchmark: High performance clustering algorithms (benchmark, library, mit, test)
clustertools programs: Tools for manipulating sequence clusters (gpl, program)
clutterhs library: Bindings to the Clutter animation library (lgpl, library)
cmaes library and test: CMA-ES wrapper in Haskell (library, test)
cmark library, test and benchmark: Fast, accurate CommonMark (Markdown) parser and renderer (benchmark, bsd3, library, test)
cmark-gfm library, test and benchmark: Fast, accurate GitHub Flavored Markdown parser and renderer (benchmark, bsd3, library, test)
cmark-highlight library: Code highlighting for cmark (bsd3, library)
cmark-lucid library: Use cmark with Lucid (bsd3, library)
cmark-patterns library: Pattern synonyms for cmark (bsd3, library)
cmark-sections library and test: Represent cmark-parsed Markdown as a tree of sections (bsd3, library, test)
cmath library: A binding to the standard C math library (bsd3, library)
cmathml3 library and program: Data model, parser, serialiser and transformations for Content MathML 3 (bsd3, library, program)
cmd-item library and test: Library to compose and reuse command line fragments (library, mit, test)
cmdargs library: Command line argument processing (bsd3, library)
cmdargs-browser program: Helper to enter cmdargs command lines using a web browser (bsd3, program)
cmdlib library: a library for command line parsing & online help (bsd3, library)
cmdtheline library and test: Declarative command-line option parsing and documentation library. (library, mit, test)
cml library: Events and Channels as in Concurrent ML (bsd3, library)
cmonad library: A library for C-like programming (bsd3, library)
cmph library and test: low level interface to CMPH (bsd3, library, test)
cmu library and program: Unification in a Commutative Monoid (gpl, library, program)
cmv library and programs: Detailed visualization of CMs, HMMs and their comparisions (gpl, library, program)
cnc-spec-compiler program: Compiler/Translator for CnC Specification Files. (bsd3, program)
cndict library: Chinese/Mandarin <-> English dictionary, Chinese lexer. (library, public-domain)
code-builder library: Simple system for generating code. (bsd3, library)
code-page library and test: Windows code page library for Haskell (bsd3, library, test)
codec library and test: Simple bidirectional serialization (bsd3, library, test)
codec-libevent library and program: Cross-platform structure serialisation (bsd3, deprecated, library, program)
codec-mbox library: A library to read and write mailboxes in mbox format (bsd3, library)
codec-rpm library and test: A library for manipulating RPM files (lgpl, library, test)
codecov-haskell library, programs and test: Codecov.io support for Haskell. (bsd3, library, program, test)
codemonitor program: Tool that automatically runs arbitrary commands when files change on disk. (bsd3, program)
codepad library: Submit and retrieve paste output from CodePad.org. (bsd3, library)
codeworld-api library: Graphics library for CodeWorld (apache, library)
codex library and program: A ctags file generator for cabal project dependencies. (apache, library, program)
codo-notation library: A notation for comonads, analogous to the do-notation for monads. (bsd3, library)
cofunctor library: DEPRECATED: use the "contravariant" package (bsd3, deprecated, library)
cognimeta-utils library and program: Utilities for Cognimeta products (such as perdure). API may change often. (library, program)
coin program: Simple account manager (gpl, program)
coinbase-exchange library, program and test: Connector library for the coinbase exchange. (library, mit, program, test)
coincident-root-loci library and test: Equivariant CSM classes of coincident root loci (bsd3, library, test)
colada library and program: Colada implements incremental word class class induction using online LDA (bsd3, library, program)
colchis library: Rudimentary JSON-RPC 2.0 client over raw TCP. (bsd3, library)
cold-widow library, programs and test: File transfer via QR Codes. (bsd3, library, program, test)
collada-output library and program: Generate animated 3d objects in COLLADA (bsd3, library, program)
collada-types library: Data exchange between graphic applications (bsd3, library)
collapse-util program: utility for collapsing adjacent writes (bsd3, program)
collection-json library and test: Collection+JSON—Hypermedia Type Tools (library, mit, test)
collections library: Useful standard collections types and related functions. (bsd3, library)
collections-api library: API for collection data structures. (bsd3, library)
collections-base-instances library: Useful standard collections types and related functions. (bsd3, library)
colock library: thread-friendly file locks that don't block the entire program (lgpl, library)
colonnade library and test: Generic types and functions for columnar encoding and decoding (bsd3, library, test)
color-counter library and program: Count colors in images (library, mit, program)
colorful-monoids library and test: Styled console text output using ANSI escape sequences. (library, mit, test)
colorize-haskell library and program: Highligt Haskell source (bsd3, library, program)
colorless library: Yet another IDL for RPC (bsd3, library)
colors library: A type for colors (bsd3, library)
colour library: A model for human colour/color perception (library, mit)
colour-accelerate library: Working with colours in Accelerate (bsd3, library)
colour-space library: Instances of the manifold-classes for colour types (gpl, library)
coltrane library: A jazzy, minimal web framework for Haskell, inspired by Sinatra. (bsd3, library)
columbia library: Enhanced serialization for media that support seeking. (bsd3, library)
com : Haskell COM support library (bsd3)
combinat library and test: Generate and manipulate various combinatorial objects. (bsd3, library, test)
combinat-diagrams library: Graphical representations for various combinatorial objects (bsd3, library)
combinator-interactive library and program: SKI Combinator interpreter (bsd3, library, program)
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. (gpl, library)
combinatorics library: Efficient computation of common combinatoric functions. (bsd3, deprecated, library)
combobuffer library: Various buffer implementations (bsd3, library)
comfort-graph library and test: Graph structure with type parameters for nodes and edges (bsd3, library, test)
comic library: A format for describing comics. (bsd3, library)
comma library and test: CSV Parser & Producer (library, test)
command library: Conveniently run shell commands (bsd3, deprecated, library)
command-qq library and tests: Quasiquoters for external commands (bsd3, library, test)
commander library, program and test: pattern matching against string based commands (bsd3, library, program, test)
commodities library and tests: Library for working with commoditized amounts and price histories (bsd3, library, test)
commsec library: Provide communications security using symmetric ephemeral keys (bsd3, library)
commsec-keyexchange library: Key agreement for commsec. (bsd3, library)
commutative library and test: Commutative binary operations. (library, mit, test)
comonad library: Comonads (bsd3, library)
comonad-extras library: Exotic comonad transformers (bsd3, library)
comonad-random library: Comonadic interface for random values (deprecated, library)
comonad-transformers library: This package has been merged into comonad 4.0 (bsd3, deprecated, library)
comonads-fd library: This package has been merged into comonad 4.0 (bsd3, deprecated, library)
compact library and test: Non-GC'd, contiguous storage for immutable data structures (bsd3, library, test)
compact-map library: Compact Data.Map implementation using Data.Binary (bsd3, library)
compact-mutable library and test: Mutable arrays living on the compact heap (bsd3, library, test)
compact-socket library: Socket functions for compact normal form. (bsd3, library)
compact-string library: Fast, packed and strict strings with Unicode support, based on bytestrings. (bsd3, deprecated, library)
compact-string-fix library: Same as compact-string except with a small fix so it builds on ghc-6.12 (bsd3, library)
compactable library: A generalization for containers that can be stripped of Nothings. (bsd3, library)
compactmap library and test: A read-only memory-efficient key-value store. (bsd3, library, test)
compare-type library: compare types of any kinds in haskell (bsd3, library)
compdata library, test and benchmark: Compositional Data Types (benchmark, bsd3, library, test)
compdata-automata library and benchmark: Tree automata on Compositional Data Types (benchmark, bsd3, library)
compdata-dags library and test: Compositional Data Types on DAGs (bsd3, library, test)
compdata-param library and test: Parametric Compositional Data Types (bsd3, library, test)
compensated library: Compensated floating-point arithmetic (bsd3, library)
competition library: Helpers and runners for code competitions (library, mit)
compilation library: Haskell functionality for quickly assembling simple compilers. (gpl, library)
compiler-warnings library and test: Parser for common compiler warning formats (bsd2, library, test)
complex-generic library: complex numbers with non-mandatory RealFloat (bsd3, library)
complex-integrate library: A simple integration function to integrate a complex-valued complex functions (library, public-domain)
complexity library: Empirical algorithmic complexity (bsd3, library)
composable-associations library and test: Types and helpers for composing types into a single larger key-value type. (bsd3, library, test)
composable-associations-aeson library and tests: Aeson ToJSON/FromJSON implementation for the types of composable-associations (bsd3, library, test)
compose-ltr library and test: More intuitive, left-to-right function composition. (library, mit, test)
compose-trans library: Composable monad transformers (bsd3, library)
composite-aeson library and test: JSON for Vinyl/Frames records (bsd3, library, test)
composite-aeson-refined library: composite-aeson support for Refined from the refined package (bsd3, library)
composite-base library and test: Shared utilities for composite-* packages. (bsd3, library, test)
composite-ekg library: EKG Metrics for Vinyl/Frames records (bsd3, library)
composite-opaleye library and test: Opaleye SQL for Frames records (bsd3, library, test)
composition library: Combinators for unorthodox function composition (bsd3, library)
composition-extra library: Combinators for unorthodox structure composition (bsd3, library)
composition-prelude library: Higher-order function combinators (bsd3, library)
composition-tree library and test: Composition trees for arbitrary monoids. (bsd3, library, test)
compound-types library and benchmark: Sum and Product types and such (benchmark, library, mit)
compressed library: Compressed containers and reducers (bsd3, library)
compression library: Common compression algorithms. (library)
compstrat library: Strategy combinators for compositional data types (bsd3, library)
comptrans library: Automatically converting ASTs into compositional data types (bsd3, library)
computational-algebra library, tests and benchmarks: Well-kinded computational algebra library, currently supporting Groebner basis. (benchmark, bsd3, library, test)
computations library: Advanced notions of computation (bsd3, library)
concatenative library: A library for postfix control flow. (bsd3, library)
conceit library: Concurrent actions that may fail with a value. (bsd3, library)
concise library and test: Utilities for Control.Lens.Cons (bsd3, library, test)
concorde library: Simple interface to the Concorde solver for the Traveling Salesperson Problem (bsd3, library)
concraft library: Morphological disambiguation based on constrained CRFs (bsd3, library)
concraft-hr library and program: Part-of-speech tagger for Croatian (bsd3, library, program)
concraft-pl library and program: Morphological tagger for Polish (bsd3, library, program)
concrete-haskell library, programs and test: Library for the Concrete data format. (gpl, library, program, test)
concrete-haskell-autogen library: Automatically generated Thrift definitions for the Concrete data format. (gpl, library)
concrete-relaxng-parser program: A parser driven by a standard RELAX NG schema with concrete syntax extensions. (gpl, program)
concrete-typerep library and test: Binary and Hashable instances for TypeRep (bsd3, library, test)
concurrency library: Typeclasses, functions, and data types for concurrency and STM. (library, mit)
concurrent-barrier library: Simple thread barriers (bsd3, library)
concurrent-dns-cache library, program and test: Concurrent DNS cache (bsd3, library, program, test)
concurrent-extra library and test: Extra concurrency primitives (bsd3, library, test)
concurrent-machines library, test and benchmark: Concurrent networked stream transducers (benchmark, bsd3, library, test)
concurrent-output library: Ungarble output from several threads or commands (bsd2, library)
concurrent-rpc library: An abstraction for inter-thread RPC based on MVars (library, mit)
concurrent-sa library: Concurrent simulated annealing system. (bsd3, library)
concurrent-split library: MVars and Channels with distinguished input and output side (bsd3, library)
concurrent-state library: MTL-like library using TVars (library, mit)
concurrent-supply library: A fast concurrent unique identifier supply with a pure API (bsd3, library)
concurrent-utilities library: More utilities and broad-used datastructures for concurrency. (bsd3, library)
concurrentoutput library: Ungarble output from several threads (bsd3, deprecated, library)
cond library: Basic conditional and boolean operators with monadic variants. (bsd3, library)
condor library, program and test: Information retrieval library (bsd3, deprecated, library, program, test)
condorcet library: Library for Condorcet voting (bsd3, library)
conductive-base library: a library for live coding and real-time musical applications (gpl, library)
conductive-clock library: a library for displaying musical time in a terminal-based clock (gpl, library)
conductive-hsc3 library: a library with examples of using Conductive with hsc3 (gpl, library)
conductive-song library: a library of functions which are useful for composing music (gpl, library)
conduit library, test and benchmarks: Streaming data processing library. (benchmark, library, mit, test)
conduit-algorithms library and test: Conduit-based algorithms (library, mit, test)
conduit-audio library: Combinators to efficiently slice and dice audio streams (bsd3, library)
conduit-audio-lame library: conduit-audio interface to the LAME MP3 library (bsd3, library)
conduit-audio-samplerate library: conduit-audio interface to the libsamplerate resampling library (bsd3, library)
conduit-audio-sndfile library: conduit-audio interface to the libsndfile audio file library (bsd3, library)
conduit-combinators library and test: Commonly used conduit functions, for both chunked and unchunked data (library, mit, test)
conduit-connection library and test: Conduit source and sink for Network.Connection. (bsd3, library, test)
conduit-extra library, test and benchmark: Batteries included conduit: adapters for common libraries. (benchmark, library, mit, test)
conduit-find library, program and tests: A file-finding conduit that allows user control over traversals. (library, mit, program, test)
conduit-iconv library, test and benchmark: Conduit for character encoding conversion. (benchmark, bsd3, library, test)
conduit-merge library: Merge multiple sorted conduits (bsd3, library)
conduit-network-stream library: A base layer for network protocols using Conduits (bsd3, library)
conduit-parse library and test: Parsing framework based on conduit. (library, public-domain, test)
conduit-resumablesink library and test: Allows conduit to resume sinks to feed multiple sources into it. (bsd3, library, test)
conduit-tokenize-attoparsec library, program and test: Conduits for tokenizing streams. (bsd3, library, program, test)
conf library and test: Parser for Haskell-based configuration files. (bsd3, library, test)
conf-json library and test: read, parse json config (library, public-domain, test)
conffmt program: A .conf file formatter (mit, program)
config-ini library and tests: A library for simple INI-based configuration files. (bsd3, library, test)
config-manager library and test: Configuration management (gpl, library, test)
config-schema library and test: Schema definitions for the config-value package (library, test)
config-select program: A small program for swapping out dot files. (gpl, program)
config-value library: Simple, layout-based value language similar to YAML or JSON (library, mit)
config-value-getopt library: Interface between config-value and System.GetOpt (library, mit)
configifier library and test: parser for config files, shell variables, command line args. (agpl, library, test)
configuration library: Simple data type for application configuration. (bsd3, library)
configuration-tools library and tests: Tools for specifying and parsing configurations (library, mit, test)
configurator library and test: Configuration management (bsd3, library, test)
configurator-export library and test: Pretty printer and exporter for configurations from the "configurator" library. (bsd3, library, test)
configurator-ng library and test: The next generation of configuration management (bsd3, library, test)
confsolve program: A command line tool for resolving conflicts of file synchronizers. (bsd3, program)
congruence-relation library: Decidable congruence relations for Haskell: up to you whether this is a joke (library, mit)
conjugateGradient library: Sparse matrix linear-equation solver (bsd3, library)
conjure library and program: A BitTorrent client (bsd3, library, program)
conlogger library and program: A logger for a concurrent program. (library, log, mit, program)
connection library: Simple and easy network connections API (bsd3, library)
connection-pool library: Connection pool built on top of resource-pool and streaming-commons. (bsd3, library)
consistent library and test: Eventually consistent STM transactions. (library, mit, test)
console-program library: Interpret the command line and a config file as commands and options (bsd3, library)
console-prompt library: console user prompts (lgpl, library)
console-style library: Styled console text output using ANSI escape sequences. (deprecated, library, mit)
const-math-ghc-plugin library and test: Compiler plugin for constant math elimination (bsd3, library, test)
constrained-categories library: Constrained clones of the category-theory type classes, using ConstraintKinds. (gpl, library)
constrained-dynamic library and test: Dynamic typing with retained constraints (library, mit, test)
constrained-monads library, test and benchmark: Typeclasses and instances for monads with constraints. (benchmark, library, mit, test)
constrained-normal library: Normalised Deep Embeddings for Constrained Type-Class Instances (bsd3, library)
constraint-classes library: Various typeclasses using ConstraintKinds (bsd3, library)
constraint-manip library: Some conviencience type functions for manipulating constraints. (library, mit)
constraints library: Constraint manipulation (bsd2, library)
constructible library: Exact computation with constructible real numbers (bsd3, library)
constructive-algebra library: A library of constructive algebra. (bsd3, library)
consul-haskell library and test: A consul client for Haskell (bsd3, library, test)
consumers library: Concurrent PostgreSQL data consumers (bsd3, library)
container library: Containers abstraction and utilities. (apache, library)
container-builder library: Functions for building containers from a known number of elements (bsd3, library)
container-classes library: Generic classes for interacting with different container types (bsd3, deprecated, library)
containers library, tests and benchmarks: Assorted concrete container types (benchmark, bsd3, library, test)
containers-benchmark program: Extensive benchmark suite for containers package. (bsd3, program)
containers-deepseq library: Provide orphan NFData instances for containers as needed. (deprecated) (bsd3, deprecated, library)
containers-unicode-symbols library: Unicode alternatives for common functions and operators (bsd3, library)
context-free-grammar library and test: Basic algorithms on context-free grammars (bsd3, library, test)
context-stack library: An abstraction of a stack and stack-based monadic context. (library, mit)
continue library: Monads with suspension and arbitrary-spot reentry (bsd3, library)
continued-fractions library: Continued fractions. (library, public-domain)
continuum library: (library, mit)
continuum-client library: (library, mit)
contravariant library: Contravariant functors (bsd3, library)
contravariant-extras library: Extras for the "contravariant" package (library, mit)
control-bool library: Useful combinators for boolean expressions (bsd3, library)
control-dotdotdot library: Haskell operator `g ... f = \x1 .. xn -> g (f x1 .. xn)`. (bsd3, library)
control-event library: Event scheduling system. (bsd3, library)
control-invariants library: Invariants and contract monitoring (library, mit)
control-monad-attempt library: Monad transformer for attempt. (deprecated) (bsd3, deprecated, library)
control-monad-exception library: Explicitly typed, checked exceptions with stack traces (library, mit)
control-monad-exception-monadsfd library: Monads-fd instances for the EMT exceptions monad transformer (library, public-domain)
control-monad-exception-monadstf library: Monads-tf instances for the EMT exceptions monad transformer (library, public-domain)
control-monad-exception-mtl library: MTL instances for the EMT exceptions monad transformer (library, public-domain)
control-monad-failure library: A class for monads which can fail with an error. (deprecated) (deprecated, library, public-domain)
control-monad-failure-mtl library: A class for monads which can fail with an error for mtl 1 (deprecated) (deprecated, library, public-domain)
control-monad-free library: Free monads and monad transformers (library, public-domain)
control-monad-loop library: Simple monad transformer for imperative-style loops (bsd3, library)
control-monad-omega library: A breadth-first list monad. (library, public-domain)
control-monad-queue library: Reusable corecursive queues, via continuations. (bsd3, library)
control-timeout library: Timeout handling (bsd3, deprecated, library)
contstuff library: Fast, easy to use CPS-based monad transformers (bsd3, deprecated, library)
contstuff-monads-tf library: ContStuff instances for monads-tf transformers (deprecated) (bsd3, deprecated, library)
contstuff-transformers library: Deprecated interface between contstuff 0.7.0 and the transformers package (bsd3, deprecated, library)
converge library: Limit operations for converging sequences (library, public-domain)
conversion library: Universal converter between values of different types (library, mit)
conversion-bytestring library: "Conversion" instances for the "bytestring" library (library, mit)
conversion-case-insensitive library: "Conversion" instances for the "case-insensitive" library (library, mit)
conversion-text library: "Conversion" instances for the "text" library (library, mit)
convert library: Safe and unsafe data conversion utilities with strong type-level operation. checking. (apache, library)
convert-annotation library and program: Convert the annotation of a gene to another in a delimited file using a variety of different databases. (gpl, library, program)
convertible library: Typeclasses and instances for converting between types (bsd3, library)
convertible-ascii library: convertible instances for ascii (library, public-domain)
convertible-text : Typeclasses and instances for converting between types (deprecated) (bsd3, deprecated)
cookbook library: Tiered general-purpose libraries with domain-specific applications. (bsd3, library)
cookie library and test: HTTP cookie parsing and rendering (library, mit, test)
coordinate library and test: A representation of latitude and longitude (bsd3, library, test)
copilot library and program: A stream DSL for writing embedded C programs. (bsd3, library, program)
copilot-c99 library and program: A compiler for Copilot targeting C99. (bsd3, library, program)
copilot-cbmc library: Copilot interface to a C model-checker. (bsd3, library)
copilot-core library: An intermediate representation for Copilot. (bsd3, library)
copilot-language library: A Haskell-embedded DSL for monitoring hard real-time distributed systems. (bsd3, library)
copilot-libraries library: Libraries for the Copilot language. (bsd3, library)
copilot-sbv library: A compiler for CoPilot targeting SBV. (bsd3, library)
copilot-theorem library: k-induction for Copilot. (bsd3, library)
copr library and test: Haskell interface to the Fedora Copr system (bsd3, library, test)
core library: External core parser and pretty printer. (bsd3, library)
core-compiler library and program: compile your own mini functional language with Core (library, mit, program)
core-haskell program: A subset of Haskell using in UCC for teaching purpose (bsd3, program)
corebot-bliki library and program: A bliki written using yesod. Uses pandoc to process files stored in git. (bsd3, library, program)
coroutine-enumerator library: Bridge between the monad-coroutine and enumerator packages. (deprecated, gpl, library)
coroutine-iteratee library: Bridge between the monad-coroutine and iteratee packages. (deprecated, gpl, library)
coroutine-object library: Object-oriented programming realization using coroutine (bsd3, library)
couch-hs library and program: A CouchDB view server for Haskell. (library, program, public-domain)
couch-simple library and test: A modern, lightweight, complete client for CouchDB (library, mit, test)
couchdb-conduit library and test: Couch DB client library using http-conduit and aeson (bsd3, library, test)
couchdb-enumerator library and test: Couch DB client library using http-enumerator and aeson (bsd3, library, test)
count library: Bijective mappings between values and possibly infinite prefixes of [0..] (bsd3, library)
countable library and test: Countable, Searchable, Finite, Empty classes (bsd3, library, test)
countable-inflections library and test: Countable Text Inflections (library, mit, test)
counter library: An object frequency counter. (library, mit)
country library and test: Country data type and functions (bsd3, library, test)
country-codes library and test: ISO 3166 country codes and i18n names. (bsd3, library, test)
courier library, programs and test: A message-passing library for simplifying network applications (library, mit, program, test)
court programs: Simple and flexible CI system (bsd3, program)
coverage library and test: Exhaustivity Checking Library (library, mit, test)
cpio-conduit library and test: Conduit-based CPIO (apache, library, test)
cplex-hs library: high-level CPLEX interface (bsd3, library)
cplusplus-th library and test: C++ Foreign Import Generation (bsd3, library, test)
cpphs library and program: A liberalised re-implementation of cpp, the C pre-processor. (lgpl, library, program)
cprng-aes library and benchmark: Crypto Pseudo Random Number Generator using AES in counter mode. (benchmark, bsd3, deprecated, library)
cprng-aes-effect library: Run random effect using cprng-aes, a crypto pseudo number generator. (library, mit)
cpsa programs: Symbolic cryptographic protocol analyzer (bsd3, program)
cpu library: Cpu information and properties helpers. (bsd3, library)
cpuid : Binding for the cpuid machine instruction on x86 compatible processors (gpl)
cpuinfo library: Haskell Library for Checking CPU Information (library, mit)
cpuperf program: Modify the cpu frequency on OpenBSD systems (bsd3, program)
cpython library: Bindings for libpython (gpl, library)
cql library and test: Cassandra CQL binary protocol. (library, test)
cql-io library: Cassandra CQL client. (library, mpl)
cqrs library: Command-Query Responsibility Segregation (library, mit)
cqrs-core library: Command-Query Responsibility Segregation (library, mit)
cqrs-example program: Example for cqrs package (mit, program)
cqrs-memory library and test: Memory backend for the cqrs package. (library, mit, test)
cqrs-postgresql library and test: PostgreSQL backend for the cqrs package. (library, mit, test)
cqrs-sqlite3 library and test: SQLite3 backend for the cqrs package. (library, mit, test)
cqrs-test library: Command-Query Responsibility Segregation Test Support (library, mit)
cqrs-testkit library: Command-Query Responsibility Segregation Test Support (library, mit)
cqrs-types library: Command-Query Responsibility Segregation. Modules for the basic types. (library, mit)
cr program: Code review tool (gpl, program)
crack library: A haskell binding to cracklib (gpl, library)
crackNum library and program: Crack various integer, floating-point data formats (bsd3, library, program)
craft library and test: A UNIX configuration management library in Haskell (apache, library, test)
craftwerk library: 2D graphics library with integrated TikZ output. (library, mit)
craftwerk-cairo library: Cairo backend for Craftwerk. (library, mit)
craftwerk-gtk library: Gtk UI for Craftwerk. (library, mit)
crawlchain library and tests: Simulation user crawl paths (bsd3, library, test)
craze library, program and tests: HTTP Racing Library (library, mit, program, test)
crc library, test and benchmark: Implements various Cyclic Redundancy Checks (CRC) (benchmark, library, mit, test)
crc16 library: Calculate the crc16-ccitt. (bsd3, library)
crc16-table library: Compute CRC16 checksums using a lookup table. (bsd3, library)
crdt library and test: Conflict-free replicated data types (bsd3, library, test)
creatur library and test: Framework for artificial life experiments. (bsd3, library, test)
credential-store library, program and test: Library to access secure credential storage providers (apache, library, program, test)
credentials library and test: Secure Credentials Storage and Distribution (library, test)
credentials-cli program: Secure Credentials Administration (program)
crf-chain1 library: First-order, linear-chain conditional random fields (bsd3, library)
crf-chain1-constrained library: First-order, constrained, linear-chain conditional random fields (bsd3, library)
crf-chain2-generic library: Second-order, generic, constrained, linear conditional random fields (bsd3, library)
crf-chain2-tiers library: Second-order, tiered, constrained, linear conditional random fields (bsd3, library)
critbit library, test and benchmark: Crit-bit maps and sets (benchmark, bsd3, library, test)
criterion library, program and tests: Robust, reliable performance measurement and analysis (bsd3, library, program, test)
criterion-plus library and test: Enhancement of the "criterion" benchmarking library (library, mit, test)
criterion-to-html program: Convert criterion output to HTML reports (bsd3, program)
criu-rpc library: CRIU RPC client. (library, mit)
criu-rpc-types library: Criu RPC protocol buffer types. (library, mit)
crjdt-haskell library and test: A Conflict-Free Replicated JSON Datatype for Haskell (bsd3, library, test)
crockford library: An implementation of Douglas Crockford's base32 encoding. (bsd3, library)
crocodile program: An offline renderer supporting ray tracing and photon mapping (gpl, program)
cron library, test and benchmark: Cron datatypes and Attoparsec parser (benchmark, library, mit, test)
cron-compat library and test: Cron datatypes and Attoparsec parser (deprecated, library, mit, test)
cruncher-types library and test: Request and Response types for Eval.so's API (bsd3, deprecated, library, test)
crunghc program: A runghc replacement with transparent caching (program, public-domain)
crypt-sha512 library: Pure Haskell implelementation for GNU SHA512 crypt algorithm (bsd3, library)
crypto-api library: A generic interface for cryptographic operations (bsd3, library)
crypto-api-tests library: A test framework and KATs for cryptographic operations. (bsd3, library)
crypto-cipher-benchmarks library: Generic cryptography cipher benchmarks (benchmarks, bsd3, crypto-platform, cryptography, library)
crypto-cipher-tests library and test: Generic cryptography cipher tests (bsd3, library, test)
crypto-cipher-types library: Generic cryptography cipher types (bsd3, library)
crypto-classical library: An educational tool for studying classical cryptography schemes. (bsd3, library)
crypto-conduit library and test: Conduit interface for cryptographic operations (from crypto-api). (bsd3, library, test)
crypto-enigma library and tests: An Enigma machine simulator with display. (bsd3, library, test)
crypto-multihash library, program and test: Multihash library on top of cryptonite crypto library (bsd3, library, program, test)
crypto-numbers library, test and benchmark: Cryptographic numbers: functions and algorithms (benchmark, bsd3, library, test)
crypto-pubkey library, test and benchmark: Public Key cryptography (benchmark, bsd3, deprecated, library, test)
crypto-pubkey-openssh library and test: OpenSSH keys decoder/encoder (library, mit, test)
crypto-pubkey-types library: Generic cryptography Public keys algorithm types (bsd3, library)
crypto-random library: Simple cryptographic random related types (bsd3, 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 (library, mit)
crypto-rng library: Cryptographic random number generator. (bsd3, library)
crypto-simple library and test: A simple high level encryption interface based on cryptonite (library, mit, test)
crypto-totp library: Provides generation and verification services for time-based one-time keys. (bsd3, library)
cryptocipher library: Symmetrical block and stream ciphers. (bsd3, library)
cryptoconditions library and test: Interledger Crypto-Conditions (bsd3, library, test)
cryptohash library, test and benchmarks: collection of crypto hashes, fast, pure and practical (benchmark, bsd3, library, test)
cryptohash-conduit library: cryptohash conduit (bsd3, library)
cryptohash-cryptoapi library: Crypto-api interfaces for cryptohash (bsd3, library)
cryptohash-md5 library, test and benchmark: Fast, pure and practical MD5 implementation (benchmark, bsd3, library, test)
cryptohash-sha1 library, test and benchmark: Fast, pure and practical SHA-1 implementation (benchmark, bsd3, library, test)
cryptohash-sha256 library, test and benchmark: Fast, pure and practical SHA-256 implementation (benchmark, bsd3, library, test)
cryptohash-sha512 library, test and benchmark: Fast, pure and practical SHA-512 implementation (benchmark, bsd3, library, test)
cryptol library, program and benchmark: Cryptol: The Language of Cryptography (benchmark, bsd3, library, program)
cryptonite library, test and benchmark: Cryptography Primitives sink (benchmark, bsd3, library, test)
cryptonite-conduit library and test: cryptonite conduit (bsd3, library, test)
cryptonite-openssl library and test: Crypto stuff using OpenSSL cryptographic library (bsd3, library, test)
cryptsy-api library: Bindings for Cryptsy cryptocurrency exchange API. (agpl, deprecated, library)
crystalfontz library: Control Crystalfontz LCD displays. (bsd3, library)
cse-ghc-plugin library: Compiler plugin for common subexpression elimination (bsd3, library)
csound-catalog library: a gallery of Csound instruments. (bsd3, library)
csound-expression library: library to make electronic music (bsd3, library)
csound-expression-dynamic library: dynamic core for csound-expression library (bsd3, library)
csound-expression-opcodes library: opcodes for the library csound-expression (bsd3, library)
csound-expression-typed library: typed core for the library csound-expression (bsd3, library)
csound-sampler library: A musical sampler based on Csound (bsd3, library)
csp library and test: Discrete constraint satisfaction problem (CSP) solver. (lgpl, library, test)
cspmchecker programs: A command line type checker for CSPM files. (bsd3, program)
cspretty library: AST and pretty printer for CSPm (bsd3, library)
css library: Minimal monadic CSS DSL. (bsd3, deprecated, library)
css-syntax library and test: This package implments a parser for the CSS syntax (library, mit, test)
css-text library and test: CSS parser and renderer. (library, mit, test)
csv library: CSV loader and dumper (library, mit)
csv-conduit library and test: A flexible, fast, conduit-based CSV parser library for Haskell. (bsd3, library, test)
csv-enumerator library: A flexible, fast, enumerator-based CSV parser library for Haskell. (bsd3, library)
csv-nptools programs: A collection of CSV tools (gpl, program)
csv-table library: Scripts for manipulating tables stored as CSV files (library, mit)
csv-to-qif program and test: A small program that will read csv files and create qif files (bsd3, program, test)
ctemplate library: Binding to the Google ctemplate library (bsd3, deprecated, library)
ctkl library: packaging of Manuel Chakravarty's CTK Light for Hackage (bsd3, library)
ctpl library and programs: A programming language for text modification. (gpl, library, program)
ctrie library, test and benchmarks: Non-blocking concurrent map (benchmark, library, mit, test)
cube library and test: Cubic DSL for 3D printing (bsd3, library, test)
cubical program: Implementation of Univalence in Cubical Sets (mit, program)
cubicbezier library and test: Efficient manipulating of 2D cubic bezier curves. (bsd3, library, test)
cubicspline library: Natural cubic spline interpolation. (bsd3, library)
cublas library: FFI bindings to the CUDA CUBLAS and CUSPARSE libraries (bsd3, library)
cuboid program: 3D Yampa/GLUT Puzzle Game (mit, program)
cuda library and program: FFI binding to the CUDA interface for programming NVIDIA GPUs (bsd3, library, program)
cudd library: Bindings to the CUDD binary decision diagrams library (bsd3, library)
cue-sheet library and test: Support for construction, rendering, and parsing of CUE sheets (bsd3, library, test)
cufft library: Haskell bindings for the CUFFT library (bsd3, library)
curl library: Haskell binding to libcurl (bsd3, library)
curl-aeson library: Communicate with HTTP service using JSON (bsd3, library)
curlhs library and test: bindings to libcurl, the multiprotocol file transfer library (library, test)
currencies library and test: Currencies representation, pretty printing and conversion (bsd3, library, test)
currency library: Types representing standard and non-standard currencies (library)
currency-convert library: Typesafe currency conversion (bsd3, library)
current-locale library: Get the current system locale in System.Locale format (library, mit)
curry-base library: Functions for manipulating Curry programs (library)
curry-frontend library and program: Compile the functional logic language Curry to several intermediate formats (library, program)
curryrs library, test and benchmark: Easy to use FFI Bridge for using Rust in Haskell (benchmark, library, test)
cursedcsv program: Terminal tool for viewing tabular data (bsd3, program)
curve25519 library and test: Fast implementations of the curve25519 elliptic curve primitives. (bsd3, library, test)
curves library: Library for drawing curve based images. (library, mit)
custom-prelude library: An enhanced prelude, serving as a foundation for my projects (gpl, library)
cutter program: Cut files according to a position list (bsd3, program)
cv-combinators library and program: Functional Combinators for Computer Vision (gpl, library, program)
cyclotomic library: A subfield of the complex numbers for exact calculation. (gpl, library)
cypher library: Haskell bindings for the neo4j "cypher" query language (bsd3, library)
czipwith library and test: CZipWith class and deriving via TH (bsd3, library, test)
d-bus library, programs and test: Permissively licensed D-Bus client library (bsd3, library, program, test)
d3d11binding library and programs: A raw binding for the directX 11 (library, mit, program)
d3js library: Declarative visualization on a web browser with DSL approach. (bsd3, library)
daemonize-doublefork library: Start background daemons by double-forking (gpl, library)
daemons library, programs and test: Daemons in Haskell made fun and easy (gpl, library, program, test)
dag library and test: Compile-time, type-safe directed acyclic graphs. (bsd3, library, test)
damnpacket library and test: Parsing dAmn messages (library, mit, test)
danibot library and program: Basic Slack bot framework. (library, mit, 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, test)
dapi program: Prints a series of dates (bsd3, program)
darcs library and test: a distributed, interactive, smart revision control system (gpl, library, test)
darcs-benchmark program: Comparative benchmark suite for darcs. (bsd3, program)
darcs-beta : a distributed, interactive, smart revision control system (gpl)
darcs-buildpackage programs: Tools to help manage Debian packages with Darcs (gpl, program)
darcs-cabalized program: David's Advanced Version Control System (deprecated, gpl, program)
darcs-fastconvert program: Import/export git fast-import streams to/from darcs. (bsd3, program)
darcs-graph program: Generate graphs of darcs repository activity (bsd3, program)
darcs-monitor program: Darcs repository monitor (sends email) (gpl, program)
darcs-scripts library: Shell scripts for support of darcs workflow (bsd3, library)
darcs2dot program: Outputs dependencies of darcs patches in dot format. (bsd3, deprecated, program)
darcsden programs: Darcs repository UI and hosting/collaboration app (hub.darcs.net branch). (gpl, program)
darcswatch programs: Track application of Darcs patches (gpl, program)
darkplaces-demo library, program and benchmark: Utility and parser for DarkPlaces demo files (benchmark, gpl, library, program)
darkplaces-rcon library and test: Darkplaces rcon client library (gpl, library, test)
darkplaces-rcon-util library, program and test: Darplaces rcon utility (gpl, library, program, test)
darkplaces-text library and test: Parser for darkplaces colorful text (gpl, library, test)
dash-haskell program: Convert package Haddock to Dash docsets (IDE docs) (lgpl, program)
data-accessor library: Utilities for accessing and manipulating fields of records (bsd3, library)
data-accessor-monadLib library: Accessor functions for monadLib's monads (library)
data-accessor-monads-fd library: Use Accessor to access state in monads-fd State monad class (bsd3, library)
data-accessor-monads-tf library: Use Accessor to access state in monads-tf State monad type family (bsd3, library)
data-accessor-mtl library: Use Accessor to access state in mtl State monad class (bsd3, library)
data-accessor-template library: Utilities for accessing and manipulating fields of records (bsd3, library)
data-accessor-transformers library: Use Accessor to access state in transformers State monad (bsd3, library)
data-aviary library: Combinator birds. (bsd3, library)
data-base library: Utilities for accessing and comparing types based on so called bases - representations with limited polymorphism. (apache, library)
data-basic library and test: A database library with a focus on ease of use, type safety and useful error messages (library, mit, test)
data-binary-ieee754 library: Parser/Serialiser for IEEE-754 floating-point values (library, mit)
data-bword library and test: Extra operations on binary words of fixed length (bsd3, library, test)
data-carousel library: A rotating sequence data structure (library, mit)
data-category library: Category theory (bsd3, library)
data-cell library: Generic cellular data representation library (bsd3, library)
data-check library and test: Library for checking and normalization of data (e.g. from web forms) (bsd3, library, test)
data-checked library: Type-indexed runtime-checked properties (bsd3, library)
data-clist library: Simple functional ring type. (bsd3, library)
data-concurrent-queue library: A Library for directional queues (library, mit)
data-construction library: Data construction abstractions including Constructor, Destructor, Maker, Destroyer, Producer and Consumer. (apache, library)
data-cycle library: a cyclic doubly linked list (bsd3, library)
data-default library: A class for types with a default value (bsd3, library)
data-default-class library: A class for types with a default value (bsd3, library)
data-default-extra library: A class for types with a default value. (bsd3, library)
data-default-generics library and test: A class for types with a default value (bsd3, library, test)
data-default-instances-base library: Default instances for types in base (bsd3, library)
data-default-instances-bytestring library: Default instances for (lazy and strict) ByteString, Builder and ShortByteString. (bsd3, library)
data-default-instances-case-insensitive library: Default instance for CI type from case-insensitive package. (bsd3, library)
data-default-instances-containers library: Default instances for types in containers (bsd3, library)
data-default-instances-dlist library: Default instances for types in dlist (bsd3, library)
data-default-instances-new-base library: Default instances for types in newer versions of base package. (bsd3, library)
data-default-instances-old-locale library: Default instances for types in old-locale (bsd3, library)
data-default-instances-text library: Default instances for (lazy and strict) Text and Text Builder. (bsd3, library)
data-default-instances-unordered-containers library: Default instances for unordered-containers. (bsd3, library)
data-default-instances-vector library: Default instances for types defined in vector package (bsd3, library)
data-dispersal library and test: Space-efficient and privacy-preserving data dispersal algorithms. (lgpl, library, test)
data-diverse library, test and benchmark: Extensible records and polymorphic variants. (benchmark, bsd3, library, test)
data-diverse-lens library and test: Isos & Lens for Data.Diverse.Many and Prisms for Data.Diverse.Which (bsd3, library, test)
data-dword library and test: Stick two binary words together to get a bigger one (bsd3, library, test)
data-easy library and test: Consistent set of utility functions for Maybe, Either, List and Monoids. (bsd3, library, test)
data-elf library: Executable and Linkable Format (ELF) data structures. (bsd3, library)
data-embed library and program: Embed files and other binary blobs inside executables without Template Haskell. (library, mit, program)
data-emoticons library: Combinator emoticons: data-aviary in the flavor of emoticons (bsd3, library)
data-endian library: Endian-sensitive data (bsd3, library)
data-extend-generic library and test: Extend Haskell data or newtype like in OOP languages (bsd3, library, test)
data-extra library: None (bsd3, deprecated, library)
data-filepath library: A type safe file path data structure (bsd3, library)
data-files-gen library, program and test: Generate data-files Cabal file field from existing files (bsd3, library, program, test)
data-fin library: Finite totally ordered sets (bsd3, library)
data-fin-simple library and test: Simple integral finite set (bsd3, library, test)
data-fix library: Fixpoint data types (bsd3, library)
data-fix-cse library: Common subexpression elimination for the fixploint types. (bsd3, library)
data-flags library: A package for working with bit masks and flags in general. (bsd3, library)
data-flagset library: An efficient data type for sets of flags (library, mit)
data-forest library and test: A simple multi-way tree data structure. (apache, library, test)
data-fresh library: Interface and functor transformers for fresh values (bsd3, library)
data-function-meld library: Map the arguments and return value of functions. (bsd3, library)
data-function-tacit library: Write functions in tacit (pointless) style using Applicative and De Bruijn index notation. (bsd3, library)
data-has library and benchmark: Simple extensible product (benchmark, bsd3, library)
data-hash library and test: Combinators for building fast hashing functions. (bsd3, library, test)
data-interval library and tests: Interval arithmetic for both open and closed intervals (bsd3, library, test)
data-inttrie library: A lazy, infinite trie of integers. (bsd3, library)
data-ivar library: Write-once variables with concurrency support (bsd3, library)
data-json-token library, program and test: Json Token datatype (bsd3, library, program, test)
data-kiln library: Sculpt mutable recursive data with reference equality; bake it using a data kiln into an immutable lazy structure (bsd3, 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)
data-layout library: Read/write arbitrary binary layouts to a "Data.Vector.Storable". (bsd3, library)
data-lens library: Used to be Haskell 98 Lenses (bsd3, library)
data-lens-fd library: Lenses (bsd3, library)
data-lens-ixset library and test: A Lens for IxSet (bsd3, deprecated, library, test)
data-lens-light library: Simple lenses, minimum dependencies (library, mit)
data-lens-template library: Utilities for Data.Lens (bsd3, library)
data-list-sequences library: Utilities for working with sequences within lists. (gpl, library)
data-list-zigzag library: A list but with a balanced enumeration of Cartesian product. (bsd3, library)
data-map-multikey library: Data.Map with multiple, unique keys (library, mit)
data-memocombinators library: Combinators for building memo tables. (bsd3, library)
data-msgpack library, program, test and benchmark: A Haskell implementation of MessagePack (benchmark, bsd3, library, program, test)
data-msgpack-types library: A Haskell implementation of MessagePack. (bsd3, library)
data-named library: Data types for named entities (bsd3, library)
data-nat library: data Nat = Zero | Succ Nat (bsd3, library)
data-object library: Represent hierachichal structures, called objects in JSON. (deprecated) (bsd3, deprecated, library)
data-object-json library: Serialize JSON data to/from Haskell using the data-object library. (deprecated) (bsd3, deprecated, library)
data-object-yaml library: Serialize data to and from Yaml files (deprecated) (bsd3, deprecated, library)
data-or library: A data type for non-exclusive disjunction. (bsd3, library)
data-ordlist library: Set and bag operations on ordered lists (bsd3, library)
data-partition library: A pure disjoint set (union find) data structure (bsd3, library)
data-pprint library: Prettyprint and compare Data values (bsd3, library)
data-quotientref library: Reference cells that need two independent indices to be accessed. (bsd3, library)
data-r-tree library and test: R-Tree is a spatial data structure similar to Quadtrees or B-Trees. (library, mit, test)
data-ref library: Unify STRef and IORef in plain Haskell 98 (bsd3, library)
data-reify library: Reify a recursive data structure into an explicit graph. (bsd3, library)
data-reify-cse library: Common Sub-Expression Elimination for graphs generated by Data.Reify. (bsd3, library)
data-repr library: Alternative to Show data printing utility. (apache, library)
data-result library: Data types for returning results distinguishable by types. (apache, library)
data-rev library: A typeclass for reversing order of contents. (bsd3, library)
data-rope library: Ropes, an alternative to (Byte)Strings. (gpl, 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)
data-serializer library and test: Common API for serialization libraries (bsd3, library, test)
data-size library: Profiling of data structures (library, mit)
data-spacepart library: Deprecated. Now called "spacepart". Space partitioning data structures. (bsd3, deprecated, library)
data-store library, test and benchmark: Type safe, in-memory dictionary with multidimensional keys. (benchmark, bsd3, library, test)
data-stringmap library: An efficient implementation of maps from strings to arbitrary values (library, mit)
data-structure-inferrer program: Program that infers the fastest data structure available for your program (mit, program)
data-sword library and test: Shorter binary words (bsd3, library, test)
data-tensor library: Tensor and Group typeclasses (library, mit)
data-textual library and test: Human-friendly textual representations. (bsd3, library, test)
data-timeout library: 64-bit timeouts of nanosecond precision (bsd3, library)
data-transform library: Functions to transform data structures. (bsd3, library)
data-tree-print library: Print Data instances as a nested tree (bsd3, library)
data-treify library: Reify a recursive data structure into an explicit graph. (bsd3, library)
data-type library: Basic type wrangling types and classes (bsd3, library)
data-util library: utilities for handle data (bsd3, library)
data-variant library: A variant data type, useful for modeling dynamically-typed programming languages (bsd3, library)
database-migrate library: Database versioning and migration (experimental) (bsd3, library)
database-study library: Demonstrate how a database can be implemented the functional way (bsd3, library)
datadog library: Datadog client for Haskell. Currently only StatsD supported, other support forthcoming. (library, mit)
dataenc library: Data encoding library (bsd3, deprecated, library)
dataflow library, program and test: Generate Graphviz documents from a Haskell representation. (bsd3, library, program, test)
datalog library, program and tests: An implementation of datalog in Haskell (bsd3, library, program, test)
datapacker program: Tool to help pack files into the minimum number of CDs/DVDs/etc (gpl, program)
datasets library: Classical data sets for statistics and machine learning (library, mit)
dataurl library and test: Handle data-urls (library, mit, test)
date-cache library: Date cacher (bsd3, library)
date-conversions library and test: Date conversions (library, mit, test)
dates library: Small library for parsing different dates formats. (bsd3, library)
datetime library and test: Utilities to make Data.Time.* easier to use (gpl, library, test)
datetime-sb library and test: Utilities to make Data.Time.* easier to use. (gpl, library, test)
dawdle library and program: Generates DDL suggestions based on a CSV file (library, mit, program)
dawg library: Directed acyclic word graphs (bsd3, library)
dawg-ord library and test: Directed acyclic word graphs (bsd3, library, test)
dbcleaner library and test: Clean database tables automatically around hspec tests (library, mit, test)
dbf library: Read and write XBase ".dbf" files (library, public-domain)
dbjava library and program: Decompiler Bytecode Java (bsd3, library, program)
dbm program: A *simple* database migration tool. (bsd3, program)
dbmigrations library, program and test: An implementation of relational database "migrations" (bsd3, library, program, test)
dbmigrations-mysql library, program and test: The dbmigrations tool built for MySQL databases (bsd3, library, program, test)
dbmigrations-postgresql program and test: The dbmigrations tool built for PostgreSQL databases (bsd3, program, test)
dbmigrations-sqlite program and test: The dbmigrations tool built for SQLite databases (bsd3, program, test)
dbus library, test and benchmark: A client library for the D-Bus IPC system. (benchmark, gpl, library, test)
dbus-client library: Monadic and object-oriented interfaces to DBus (deprecated, gpl, library)
dbus-core library: Low-level D-Bus protocol implementation (deprecated, gpl, library)
dbus-qq library and test: Quasi-quoter for DBus functions (bsd3, library, test)
dbus-th library: TemplateHaskell generator of DBus bindings (bsd3, library)
dbus-th-introspection library and program: Generate bindings for DBus calls by using DBus introspection and dbus-th (bsd3, library, program)
dclabel library, test and benchmark: This packge is deprecated. See the the "LIO.DCLabel" in the "lio" package. (benchmark, bsd3, deprecated, library, test)
dclabel-eci11 library: The Disjunction Category Label Format. (bsd3, deprecated, library)
dcpu16 library, program and test: DCPU-16 Emulator & Assembler (bsd3, library, program, test)
ddate library: Discordian Date Types for Haskell (gpl, library)
ddc-base library: Disciplined Disciple Compiler common utilities. (deprecated, library, mit)
ddc-build library: Disciplined Disciple Compiler build framework. (deprecated, library, mit)
ddc-code library: Disciplined Disciple Compiler base libraries. (deprecated, library, mit)
ddc-core library: Disciplined Disciple Compiler core language and type checker. (deprecated, library, mit)
ddc-core-babel library: Disciplined Disciple Compiler PHP code generator. (deprecated, library, mit)
ddc-core-eval library: Disciplined Disciple Compiler semantic evaluator for the core language. (deprecated, library, mit)
ddc-core-flow library: Disciplined Disciple Compiler data flow compiler. (deprecated, library, mit)
ddc-core-llvm library: Disciplined Disciple Compiler LLVM code generator. (deprecated, library, mit)
ddc-core-salt library: Disciplined Disciple Compiler C code generator. (deprecated, library, mit)
ddc-core-simpl library: Disciplined Disciple Compiler code transformations. (deprecated, library, mit)
ddc-core-tetra library: Disciplined Disciple Compiler intermediate language. (deprecated, library, mit)
ddc-driver library: Disciplined Disciple Compiler top-level driver. (deprecated, library, mit)
ddc-interface library: Disciplined Disciple Compiler user interface support. (deprecated, library, mit)
ddc-source-tetra library: Disciplined Disciple Compiler source language. (deprecated, library, mit)
ddc-tools programs: Disciplined Disciple Compiler command line tools. (deprecated, mit, program)
ddc-war program: Disciplined Disciple Compiler test driver and buildbot. (deprecated, mit, program)
ddci-core program: Disciple Core language interactive interpreter. (deprecated, mit, program)
dead-code-detection program and test: detect dead code in haskell projects (bsd3, program, test)
dead-simple-json library: Dead simple JSON parser, with some Template Haskell sugar. (library, mit)
debian library, programs and test: Modules for working with the Debian package system (bsd3, library, program, test)
debian-binary library and programs: Utilities to work with debian binary packages (deprecated, library, program)
debian-build library and program: Debian package build sequence tools (bsd3, library, program)
debug-diff library: Display a colorized diff between two Haskell values (bsd3, library)
debug-me program: secure remote debugging (agpl, program)
debug-time library and test: Debug.Trace equivalent for timing computations (library, mit, test)
decepticons library: The categorical dual of transformers. (bsd3, library)
decimal-arithmetic library and tests: An implementation of the General Decimal Arithmetic Specification (bsd3, library, test)
decimal-literals library and test: Preprocessing decimal literals more or less as they are (instead of via fractions) (gpl, library, test)
declarative library and test: DIY Markov Chains. (library, mit, test)
decode-utf8 program: Decode a UTF-8 byte stream on standard input (mit, program)
decoder-conduit library: Conduit for decoding ByteStrings using Data.Binary.Get (bsd3, library)
dedukti library and program: A type-checker for the λΠ-modulo calculus. (gpl, library, program)
deepcontrol library and tests: A library that provides deep-level programming style and(or) notation on Applicative and Monad (bsd3, library, test)
deeplearning-hs library, program and test: Deep Learning in Haskell (library, mit, program, test)
deepseq library and test: Deep evaluation of data structures (bsd3, library, test)
deepseq-bounded library and test: Bounded deepseq, including support for generic deriving (bsd3, library, test)
deepseq-generics library and test: GHC.Generics-based Control.DeepSeq.rnf implementation (bsd3, library, test)
deepseq-magic library: Deep evaluation of data structures without NFData (library, public-domain)
deepseq-th library and test: Template Haskell based deriver for optimised NFData instances (bsd3, deprecated, library, test)
deepzoom library: A DeepZoom image slicer. Only known to work on 32bit Linux (bsd3, library)
defargs library: default arguments in haskell (bsd3, library)
definitive-base library: The base modules of the Definitive framework. (library)
definitive-filesystem library: A library that enable you to interact with the filesystem in a definitive way. (library)
definitive-graphics library: A definitive package allowing you to open windows, read image files and render text to be displayed or saved (library)
definitive-parser library: A parser combinator library for the Definitive framework (library)
definitive-reactive library: A simple Reactive library. (library)
definitive-sound library: A definitive package to handle sound and play it back (library)
deiko-config library: Small and typesafe configuration library. (bsd3, library)
dejafu library: Systematic testing for Haskell concurrency. (library, mit)
deka library: Decimal floating point arithmetic (bsd3, library)
deka-tests library, program and test: Tests for deka, decimal floating point arithmetic (bsd3, library, program, test)
delaunay library and test: Build a Delaunay triangulation of a set of points (bsd3, library, test)
delay library and test: More useful and humain delaying functions (bsd3, library, test)
delicious library: Accessing the del.icio.us APIs from Haskell (v2) (bsd3, library)
delimited-text library: Parse character delimited textual data (bsd3, library)
delimiter-separated library: Library for dealing with tab and/or comma (or other) separated files (bsd3, library)
delta library, programs and test: A library for detecting file changes (lgpl, library, program, test)
delta-h library and program: Online entropy-based model of lexical category acquisition. (bsd3, library, program)
delude library: Generalized the Prelude more functionally. (library, mit)
demarcate library and test: Demarcating transformed monad. (bsd3, deprecated, library, test)
denominate library and program: Functions supporting bulk file and directory name normalization. (bsd3, library, program)
dense library and test: Mutable and immutable dense multidimensional arrays (bsd3, library, test)
dependent-map library: Dependent finite maps (partial dependent products) (library)
dependent-state library: Control structure similar to Control.Monad.State, allowing multiple nested states, distinguishable by provided phantom types. (apache, library)
dependent-sum library: Dependent sum type (library, public-domain)
dependent-sum-template library and test: Template Haskell code to generate instances of classes in dependent-sum package (library, public-domain, test)
depends program and test: A simple configuration management tool for Haskell (deprecated, mit, program, test)
dephd programs: Analyze quality of nucleotide sequences. (gpl, program)
deque library: Double-ended queue (library, mit)
dequeue library and test: A typeclass and an implementation for double-ended queues. (bsd3, library, test)
derangement library: Find derangements of lists (gpl, library)
derivation-trees library: Typeset Derivation Trees via MetaPost (gpl, library)
derive library and program: A program and library to derive instances for data types (bsd3, library, program)
derive-IG library: Macro to derive instances for Instant-Generics using Template Haskell (bsd3, library)
derive-enumerable library: Generic instances for enumerating complex data types (gpl, library)
derive-gadt library and programs: Instance deriving for (a subset of) GADTs. (bsd3, library, program)
derive-monoid library, program and test: derive Semigroup/Monoid/IsList (library, mit, program, test)
derive-storable library and tests: Derive Storable instances with GHC.Generics. (library, mit, test)
derive-storable-plugin library: GHC core plugin supporting the derive-storable package. (generic, library, mit, plugin, storable)
derive-topdown library: This library will help you generate Haskell empty Generic instances and deriving type instances from the top automatically to the bottom for composited data types. (library, mit)
derive-trie library: Automatic derivation of Trie implementations. (bsd3, library)
deriving-compat library and test: Backports of GHC deriving extensions (bsd3, library, test)
derp library: Derivative Parsing (bsd3, library)
derp-lib library: combinators based on parsing with derivatives (derp) package (bsd3, library)
descrilo library: Loads a list of items with fields (gpl, library)
descriptive library and test: Self-describing consumers/parsers; forms, cmd-line args, JSON, etc. (bsd3, library, test)
desert library, program and test: a simple build tool for OCaml projects (bsd3, library, program, test)
despair library: Despair (bsd3, library)
deterministic-game-engine library and test: Simple deterministic game engine (library, mit, test)
detrospector program: Markov chain text generator (bsd3, program)
deunicode program: Get rid of unicode (utf-8) symbols in Haskell sources (mit, program)
devil program: A small tool to make it easier to update program managed by Angel. (mit, program)
dewdrop library: Find gadgets for return-oriented programming on x86 (bsd3, library)
dfrac library: A package for precise decimal arithmatic using rationals. (library, mit)
dfsbuild program: Build Debian From Scratch CD/DVD images (gpl, program)
dgim library and test: Implementation of DGIM algorithm (library, mit, test)
dgs library: Haskell front-end for DGS' bot interface (bsd3, library)
dhall library, program and test: A configuration language guaranteed to terminate (bsd3, library, program, test)
dhall-bash library and program: Compile Dhall to Bash (bsd3, library, program)
dhall-check program: Check all dhall files in a project (bsd3, program)
dhall-json library and programs: Compile Dhall to JSON or YAML (bsd3, library, program)
dhall-nix library and program: Dhall to Nix compiler (bsd3, library, program)
dhall-text program: Template text using Dhall (bsd3, program)
dhcp-lease-parser library and test: Parse a DHCP lease file (bsd3, library, test)
di library and test: Easy, powerful, structured and typeful logging without monad towers. (bsd3, library, test)
dia-base library: An EDSL for teaching Haskell with diagrams - data types (bsd3, library)
dia-functions library: An EDSL for teaching Haskell with diagrams - functions (bsd3, library)
diagrams library: Embedded domain-specific language for declarative vector graphics (bsd3, library)
diagrams-boolean library: deprecated, part of diagrams-contrib since 1.4 (bsd3, library)
diagrams-builder library: hint-based build service for the diagrams graphics EDSL. (bsd3, library)
diagrams-cairo library: Cairo backend for diagrams drawing EDSL (bsd3, library)
diagrams-canvas library: HTML5 canvas backend for diagrams drawing EDSL (bsd3, library)
diagrams-contrib library and test: Collection of user contributions to diagrams EDSL (bsd3, library, test)
diagrams-core library: Core libraries for diagrams EDSL (bsd3, library)
diagrams-graphviz library: Graph layout and drawing with GrahpViz and diagrams (bsd3, library)
diagrams-gtk library: Backend for rendering diagrams directly to GTK windows (bsd3, library)
diagrams-haddock library, program and test: Preprocessor for embedding diagrams in Haddock documentation (bsd3, library, program, test)
diagrams-hsqml library: HsQML (Qt5) backend for Diagrams (bsd3, library)
diagrams-html5 library: HTML5 canvas backend for diagrams drawing EDSL (bsd3, library)
diagrams-lib library, test and benchmark: Embedded domain-specific language for declarative graphics (benchmark, bsd3, library, test)
diagrams-pandoc library and program: A Pandoc filter to express diagrams inline using the Haskell EDSL _Diagrams_ (bsd3, library, program)
diagrams-pdf library: PDF backend for diagrams drawing EDSL (bsd3, library)
diagrams-pgf library: PGF backend for diagrams drawing EDSL. (bsd3, library)
diagrams-postscript library: Postscript backend for diagrams drawing EDSL (bsd3, library)
diagrams-qrcode library: Draw QR codes to SVG, PNG, PDF or PS files. (bsd3, library)
diagrams-rasterific library: Rasterific backend for diagrams. (bsd3, library)
diagrams-reflex library: reflex backend for diagrams drawing EDSL. (bsd3, library)
diagrams-rubiks-cube library: Library for drawing the Rubik's Cube. (library, mit)
diagrams-solve library and test: Pure Haskell solver routines used by diagrams (bsd3, library, test)
diagrams-svg library: SVG backend for diagrams drawing EDSL. (bsd3, library)
diagrams-tikz library: TikZ backend for diagrams drawing EDSL (bsd3, library)
diagrams-wx library: Backend for rendering diagrams in wxWidgets (bsd3, library)
dialog library: Simple dialog-based user interfaces (bsd3, library)
dib library and program: A simple, forward build system. (library, mit, program)
dice library and program: Simplistic D&D style dice-rolling system. (library, program, public-domain)
dice-entropy-conduit library and test: Cryptographically secure n-sided dice via rejection sampling. (lgpl, library, test)
dice2tex program: Convert a Diceware wordlist into a printer-ready LaTeX file. (gpl, program)
dicom library: A library for reading and writing DICOM files in the Explicit VR Little Endian transfer syntax. (gpl, library)
dictionaries library, program and test: Tools to handle StarDict dictionaries. (bsd3, library, program, test)
dictionary-sharing library: Sharing/memoization of class members (bsd3, library)
dictparser library, program and test: Parsec parsers for the DICT format produced by dictfmt -t (bsd3, library, program, test)
diet library: Discrete Interval Encoding Tree (bsd3, library)
diff-gestalt library and test: A diff algorithm based on recursive longest common substrings (library, test)
diff-parse library and test: A parser for diff file formats (agpl, library, test)
diff3 library and test: Perform a 3-way difference of documents (bsd3, library, test)
diffarray library: DiffArray (bsd3, library)
diffcabal program: Diff two .cabal files syntactically (bsd3, program)
diffdump programs: Tools for diffing stdout (bsd3, program)
difftodo library, programs and test: Generate todo lists from source code (apache, library, program, test)
digamma library: A (deprecated) implementation of the digamma function (bsd3, deprecated, library)
digest library: Various cryptographic hashes for bytestrings; CRC32 and Adler32 for now. (bsd3, library)
digest-pure library and test: Pure hash functions for bytestrings (library, test)
digestive-bootstrap library: Speed up form designing using digestive functors and bootstrap (library, mit)
digestive-foundation-lucid library: Speed up form designing using digestive functors and foundation (library, mit)
digestive-functors library and test: A practical formlet library (bsd3, library, test)
digestive-functors-aeson library and test: Run digestive-functors forms against JSON (gpl, library, test)
digestive-functors-blaze library: Blaze frontend for the digestive-functors library (bsd3, library)
digestive-functors-happstack library: Happstack backend for the digestive-functors library (bsd3, library)
digestive-functors-heist library: Heist frontend for the digestive-functors library (bsd3, library)
digestive-functors-hsp library: HSP support for digestive-functors (bsd3, library)
digestive-functors-lucid library: Lucid frontend for the digestive-functors library (bsd3, library)
digestive-functors-scotty library: Scotty backend for the digestive-functors library (bsd3, library)
digestive-functors-snap library: Snap backend for the digestive-functors library (bsd3, library)
digit library and test: A data-type representing digits 0-9 and other combinations (bsd3, library, test)
digitalocean-kzs library and tests: digitalocean api for haskell (library, mit, test)
digits library and test: Converts integers to lists of digits and back. (bsd3, library, test)
dihaa program: ASCII based Diagram drawing in Haskell (Idea based on ditaa) (gpl, program)
dimensional library, test and benchmark: Statically checked physical dimensions, using Type Families and Data Kinds. (benchmark, bsd3, library, test)
dimensional-codata library: CODATA Recommended Physical Constants with Dimensional Types (bsd3, library)
dimensional-tf library: Statically checked physical dimensions, implemented using type families. (bsd3, deprecated, library)
dimensions library and test: Safe type-level dimensionality for multidimensional data. (bsd3, library, test)
dingo-core library: Dingo is a Rich Internet Application platform based on the Warp web server. (library, mit)
dingo-example program: Dingo Example (mit, program)
dingo-widgets library: Dingo Widgets (library, mit)
diophantine library: A quadratic diophantine equation solving library. (gpl, library)
diplomacy library: The board game Diplomacy, spoken in Haskell (bsd3, library)
diplomacy-server program: Play Diplomacy over HTTP (bsd3, program)
direct-binary-files library: Serialization and deserialization monads for streams and ByteStrings. (bsd3, library)
direct-daemonize library: Library to switch to daemon mode using built-in OS facilities. (bsd3, library)
direct-fastcgi library: Native implementation of the FastCGI protocol. (bsd3, library)
direct-http library: Native webserver that acts as a library. (bsd3, library)
direct-murmur-hash library: An implementation of the MurmurHash3 algorithm (bsd3, library)
direct-plugins library: Lightweight replacement for Plugins, specific to GHC (bsd3, library)
direct-sqlite library and test: Low-level binding to SQLite3. Includes UTF8 and BLOB support. (bsd3, library, test)
directed-cubical library: Finite directed cubical complexes and associated algorithms (bsd3, library)
directory library and test: Platform-agnostic library for filesystem operations (bsd3, library, test)
directory-layout library and tests: Directory layout DSL (bsd3, library, test)
directory-listing-webpage-parser library: directory listing webpage parser (bsd3, library)
directory-tree library and test: A simple directory-like tree datatype, with useful IO functions (bsd3, library, test)
dirfiles library: (bsd3, library)
dirstream library: Easily stream directory contents in constant memory (bsd3, library)
disassembler library: Disassembler for X86 & AMD64 machine code (bsd3, library)
discogs-haskell library and test: Client for Discogs REST API (library, mit, test)
discord-gateway library: An API wrapper for Discord in Haskell (library, mit)
discord-hs library: An API wrapper for Discord in Haskell (library, mit)
discord-rest library: An API wrapper for Discord in Haskell (library, mit)
discord-types library: Type information for discord-hs (library, mit)
discordian-calendar library: library for handling Discordian calendar dates (bsd3, library)
discount library: Haskell bindings to the discount Markdown library. (library, mit)
discrete-space-map library: A discrete space map. (bsd3, library)
discrimination library and benchmark: Fast generic linear-time sorting, joins and container construction. (benchmark, bsd3, library)
disjoint-set library and test: Persistent disjoint-sets, a.k.a union-find. (bsd3, library, test)
disjoint-set-stateful library and test: Monadic disjoint set (library, mit, test)
disjoint-sets-st library: Imperative ST/IO based disjoint set data structure. (bsd3, library)
disk-free-space library: Retrieve information about disk space usage (bsd3, library)
diskhash library and test: Disk-based hash table (library, mit, test)
display-haskell-do library: A display API for HaskellDO (apache, deprecated, library)
disposable library: Allows storing different resource-releasing actions together. (bsd3, library)
dist-upload library and program: Generate/Upload cabal package to Hackage. (gpl, library, program)
distance library: Useful distance datatype and functions (library, mit)
distance-of-time library and test: Generate readable distances between times. (library, mit, test)
distributed-closure library and test: Serializable closures for distributed programming. (bsd3, library, test)
distributed-process library and benchmarks: Cloud Haskell: Erlang-style concurrency in Haskell (benchmark, bsd3, library)
distributed-process-async library and test: Cloud Haskell Async API (bsd3, library, test)
distributed-process-azure library: Microsoft Azure backend for Cloud Haskell (bsd3, library)
distributed-process-client-server library and tests: The Cloud Haskell Application Platform (bsd3, library, test)
distributed-process-ekg library: Collect node stats for EKG (bsd3, library)
distributed-process-execution library and tests: Execution Framework for The Cloud Haskell Application Platform (bsd3, library, test)
distributed-process-extras library and tests: Cloud Haskell Extras (bsd3, library, test)
distributed-process-fsm library and test: The Cloud Haskell implementation of Erlang/OTP gen_statem (bsd3, library, test)
distributed-process-lifted library and test: monad-control style typeclass and transformer instances for Process monad. (bsd3, library, test)
distributed-process-monad-control library: Orphan instances for MonadBase and MonadBaseControl. (bsd3, library)
distributed-process-p2p library: Peer-to-peer node discovery for Cloud Haskell (bsd3, library)
distributed-process-platform library and tests: The Cloud Haskell Application Platform (bsd3, deprecated, library, test)
distributed-process-registry library and test: Cloud Haskell Extended Process Registry (bsd3, library, test)
distributed-process-simplelocalnet library: Simple zero-configuration backend for Cloud Haskell (bsd3, library)
distributed-process-supervisor library and test: Supervisors for The Cloud Haskell Application Platform (bsd3, library, test)
distributed-process-systest library: Cloud Haskell Test Support (bsd3, library)
distributed-process-task library and test: Task Framework for The Cloud Haskell Application Platform (bsd3, library, test)
distributed-process-tests library and tests: Tests and test support tools for distributed-process. (bsd3, library, test)
distributed-process-zookeeper library and test: A Zookeeper back-end for Cloud Haskell. (bsd3, library, test)
distributed-static library: Compositional, type-safe, polymorphic static values and closures (bsd3, library)
distribution library: Finite discrete probability distributions. (apache, library)
distribution-nixpkgs library and tests: Types and functions to manipulate the Nixpkgs distribution (bsd3, library, test)
distribution-plot library: Easily plot distributions from the distribution package.. (apache, library)
distributive library and tests: Distributive functors -- Dual to Traversable (bsd3, library, test)
diversity library and program: Quantify the diversity of a population (gpl, library, program)
dixi library, program and test: A wiki implemented with a firm theoretical foundation. (bsd3, library, program, test)
djembe library and test: Hit drums with haskell (library, mit, test)
djinn program: Generate Haskell code from a type (bsd3, program)
djinn-ghc library: Generate Haskell code from a type. Bridge from Djinn to GHC API. (bsd3, library)
djinn-lib library: Generate Haskell code from a type. Library extracted from djinn package. (bsd3, library)
djinn-th library: Generate executable Haskell code from a type (bsd3, library)
dlist library and test: Difference lists (bsd3, library, test)
dlist-instances library: Difference lists instances (bsd3, library)
dlist-nonempty library, test and benchmark: Non-empty difference lists (benchmark, bsd3, library, test)
dmc library and test: cmd: run shell commands from code (library, public-domain, test)
dmenu library: Complete bindings to the dmenu and dmenu2 command line tools. (bsd3, library)
dmenu-pkill program: dmenu script for killing applications. Sortable by process id or CPU/MEM usage. (bsd3, program)
dmenu-pmount program: Mounting and unmounting linux devices as user with dmenu and pmount. (bsd3, program)
dmenu-search program: dmenu script for searching the web with customizable search engines. (bsd3, program)
dns library and tests: DNS library in Haskell (bsd3, library, test)
dnscache library and program: Caching DNS resolver library and mass DNS resolver utility (bsd3, library, program)
dnsrbl library: Asynchronous DNS RBL lookup (bsd3, library)
dnssd library: DNS service discovery bindings (bsd3, library)
do-list library, test and benchmark: Do notation for free (benchmark, bsd3, library, test)
doc-review program: Document review Web application, like http://book.realworldhaskell.org/ (bsd3, program)
doccheck program: Checks Haddock comments for pitfalls and version changes. (gpl, program)
docidx program: Generate an HTML index of installed Haskell packages and their documentation. (bsd3, program)
docker library and test: An API client for docker written in Haskell (bsd3, library, test)
docker-build-cacher program: Builds a services with docker and caches all of its intermediate stages (bsd3, program)
dockercook library, program and test: A build tool for multiple docker image layers (library, mit, program, test)
dockerfile library and test: A simple DSL for describing and generating Dockerfile containers in Haskell. (library, mit, test)
docopt library and test: A command-line interface parser that will make you smile (library, mit, test)
doctemplates library and test: Pandoc-style document templates (bsd3, library, test)
doctest library, program and tests: Test interactive Haskell examples (library, mit, program, test)
doctest-discover library, program and test: Easy way to run doctests via cabal (library, program, public-domain, test)
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, test)
doctest-prop library and test: Allow QuickCheck-style property testing within doctest. (deprecated, library, mit, test)
docvim library, program and tests: Documentation generator for Vim plug-ins (library, mit, program, test)
doi library and program: Automatic Bibtex and fulltext of scientific articles (library, mit, program)
dom-lt library: The Lengauer-Tarjan graph dominators algorithm. (bsd3, library)
dom-parser library and test: Simple monadic DOM parser (library, mit, test)
dom-selector library and test: DOM traversal by CSS selectors for xml-conduit package (bsd3, library, test)
domain-auth library: Domain authentication library (bsd3, library)
dominion library, program and test: A simulator for the board game Dominion. (bsd3, library, program, test)
domplate library: A simple templating library using HTML5 as its template language. (bsd3, library)
dot library: Data types and encoding for graphviz dot files (bsd3, library)
dot-linker library, program and test: Initial project template from stack (bsd3, library, program, test)
dot2graphml program: Converter from GraphViz .dot format to yEd GraphML (bsd3, program)
dotenv library, program and test: Loads environment variables from dotenv files (library, mit, program, test)
dotfs library, program and test: Filesystem to manage and parse dotfiles (bsd3, library, program, test)
dotgen library: A simple interface for building .dot graph files. (bsd3, library)
dotnet-timespan library: .NET TimeSpan (bsd3, library)
double-conversion library and test: Fast conversion between double precision floating point and text (bsd3, library, test)
double-extra library: Missing presentations for Double numbers (fixed, scientific etc.) (bsd3, library)
double-metaphone library: Haskell bindings to a C double-metaphone implementation. (gpl, library)
doublify-toolkit library: Doublify API toolkit for Haskell (library, mit)
dove library: The Dove verification language. (bsd3, library)
dow program: Dungeons of Wor (bsd3, program)
download library and test: High-level file download based on URLs (bsd3, library, test)
download-curl library: High-level file download based on URLs (bsd3, library)
download-media-content program: Simple tool to download images from RSS feeds (e.g. Flickr, Picasa) (bsd3, program)
dozenal library: A Haskell library for using Dozenal (Duodecimal - Base 12) numbers. (gpl, library)
dozens library: dozens api library (library, mit)
dph-base library: Data Parallel Haskell common config and debugging functions. (bsd3, library)
dph-examples programs: Data Parallel Haskell example programs. (bsd3, program)
dph-lifted-base library: Data Parallel Haskell common definitions used by other dph-lifted packages. (bsd3, library)
dph-lifted-copy library: Data Parallel Haskell lifted array combinators. (deprecated version) (bsd3, library)
dph-lifted-vseg library: Data Parallel Haskell lifted array combinators. (bsd3, library)
dph-par library: (deprecated) (bsd3, library)
dph-prim-interface library: Data Parallel Haskell segmented arrays. (abstract interface) (bsd3, library)
dph-prim-par library: Data Parallel Haskell segmented arrays. (production version) (bsd3, library)
dph-prim-seq library: Data Parallel Haskell segmented arrays. (sequential implementation) (bsd3, library)
dph-seq library: (deprecated) (bsd3, library)
dpkg library and test: libdpkg bindings (gpl, library, test)
dpor library: A generic implementation of dynamic partial-order reduction (DPOR) for testing arbitrary models of concurrency. (deprecated, library, mit)
drClickOn library: Monadic FRP (library, public-domain)
draw-poker library, programs and test: playing draw poker (bsd3, library, program, test)
drawille library: A port of asciimoo's drawille to haskell (gpl, library)
dresdner-verkehrsbetriebe library and program: Library and program for querying DVB (Dresdner Verkehrsbetriebe AG) (library, mit, program)
drifter library and test: Simple schema management for arbitrary databases. (library, mit, test)
drifter-postgresql library and test: PostgreSQL support for the drifter schema migration tool (library, mit, test)
drmaa library: A minimal Haskell bindings to DRMAA C library. (bsd3, library)
dropbox-sdk library: A library to access the Dropbox HTTP API. (library, mit)
dropsolve program: A command line tool for resolving dropbox conflicts. Deprecated! Please use confsolve. (bsd3, deprecated, program)
ds-kanren library and tests: A subset of the miniKanren language (library, mit, test)
dsc library and test: Helper functions for setting up Double Submit Cookie defense for forms (library, mit, test)
dsh-sql library and program: SQL backend for Database Supported Haskell (DSH) (bsd3, library, program)
dsmc library: DSMC library for rarefied gas dynamics (bsd3, library)
dsmc-tools programs: DSMC toolkit for rarefied gas dynamics (bsd3, program)
dson library: Haskell DogeScript Object Notation Parser (gpl, library)
dson-parsec library: DSON parser. (library, mit)
dsp library: Haskell Digital Signal Processing (gpl, library)
dstring library: Difference strings (bsd3, library)
dtab library and program: Harmonix (Guitar Hero, Rock Band) DTA/DTB metadata library (gpl, library, program)
dtd library: Parse and render DTD files (deprecated) (bsd3, deprecated, library)
dtd-text library: Parse and render XML DTDs (bsd3, library)
dtd-types library: Basic types for representing XML DTDs (bsd3, library)
dtrace library: Haskell interface to the DTrace system tracing utility (bsd3, library)
dtw library and test: (Fast) Dynamic Time Warping (library, mit, test)
dual-tree library and test: Rose trees with cached and accumulating monoidal annotations (bsd3, library, test)
duckling library, programs and test: A Haskell library for parsing text into structured data. (library, program, test)
dumb-cas library and test: A computer “algebra” system that knows nothing about algebra, at the core. (gpl, library, test)
dump library and test: Dumps the names and values of expressions to ease debugging. (library, mit, test)
dump-core library: A plug-in for rendering GHC core (library)
dunai library: Generalised reactive framework supporting classic, arrowized and monadic FRP. (bsd3, library)
duplo library, program and test: Frontend development build tool (deprecated, library, mit, program, test)
dustme library, program and test: Initial project template from stack (bsd3, library, program, test)
dvda library and test: Efficient automatic differentiation and code generation (bsd3, deprecated, library, test)
dvdread library: A monadic interface to libdvdread (gpl, library)
dvi-processing library: Read/write DVI and TFM file (library, public-domain)
dvorak library and test: Dvorak encoding for Haskell. (bsd3, library, test)
dwarf library: Parser for DWARF debug format. (bsd3, library)
dwarf-el library: Parser for DWARF debug format. (bsd3, library)
dwarfadt library and programs: High-level wrapper around the dwarf library (bsd3, library, program)
dwergaz library and test: A minimal testing library (bsd3, library, test)
dx9base library: Backend for a binding to the Microsoft DirectX 9 API. (bsd3, library)
dx9d3d library: A binding to the Microsoft DirectX 9 API. (bsd3, library)
dx9d3dx library: A binding to the Microsoft DirectX 9 D3DX API. (bsd3, library)
dyckword library and test: A library for working with binary Dyck words. (bsd3, library, test)
dynamic-cabal library and tests: Access the functions from the Cabal library without depending on it (bsd3, library, test)
dynamic-graph library: Draw and update graphs in real time with OpenGL (bsd3, library)
dynamic-linker-template library: Automatically derive dynamic linking methods from a data type. (bsd3, library)
dynamic-loader library: lightweight loader of GHC-based modules or packages (bsd3, library)
dynamic-mvector library: A wrapper around MVector that enables pushing, popping and extending. (bsd3, library)
dynamic-object library and tests: Object-oriented programming with duck typing and singleton classes. (bsd3, library, test)
dynamic-plot library: Interactive diagram windows (gpl, library)
dynamic-pp library and test: A pretty-print library that employs a dynamic programming algorithm for optimal rendering. (bsd3, library, test)
dynamic-state library: Optionally serializable dynamic state keyed by type (gpl, library)
dynamodb-simple library and test: Typesafe library for working with DynamoDB database (bsd3, library, test)
dynobud library and tests: your dynamic optimization buddy (lgpl, library, test)
dyre library: Dynamic reconfiguration in Haskell (bsd3, library)
dywapitchtrack library: Bindings to the dywapitchtrack pitch tracking library (library, mit)
dzen-utils library: Utilities for creating inputs for dzen. (gpl, library)
each library and test: Template Haskell library for writing monadic expressions more easily (bsd3, library, test)
eager-sockets library: Socket operations with timeouts (deprecated, library)
earclipper library, program and test: Ear Clipping Triangulation (library, mit, program, test)
ease library: Robert Penner's easing equations (bsd3, library)
easy-api library: Utility code for building HTTP API bindings more quickly. (library, mit)
easy-bitcoin library: types and functions for bitcoin applications (bsd3, library)
easy-file library: Cross-platform File handling (bsd3, library)
easyjson library: Haskell JSON library with an emphasis on simplicity, minimal dependencies, and ease of use. (library, mit)
easyplot library: A tiny plotting library, utilizes gnuplot for plotting. (library, mit)
easyrender library: User-friendly creation of EPS, PostScript, and PDF files (gpl, library)
easytensor library, test and benchmarks: Pure, type-indexed haskell vector, matrix, and tensor library. (benchmark, library, mit, test)
ebeats library: Time in ebeats (bsd3, library)
ebnf-bff library and program: Parser combinators & EBNF, BFFs! (library, mit, program)
ec2-signature library and tests: The Amazon EC2 style signature calculator. (bsd3, library, test)
ec2-unikernel program: A handy tool for uploading unikernels to Amazon's EC2. (bsd3, program)
eccrypto library: Elliptic Curve Cryptography for Haskell (bsd3, library)
ecdsa library: Basic ECDSA signing implementation (library)
echo library: A cross-platform, cross-console way to handle echoing terminal input (bsd3, library)
ecma262 library and program: A ECMA-262 interpreter library (bsd2, interpreter, javascript, library, program)
ecu programs: Tools for automotive ECU development. (bsd3, program)
ed25519 benchmark: Ed25519 cryptographic signatures (benchmark, mit)
ed25519-donna library: Haskell bindings to ed25519-donna (Elliptical Curve Signature Scheme) (bsd3, library)
eddie program: Command line file filtering with haskell (bsd3, program)
ede library and test: Templating language with similar syntax and features to Liquid or Jinja2. (library, test)
edenmodules library: Semi-explicit parallel programming library (bsd3, library)
edenskel library: Semi-explicit parallel programming skeleton library (bsd3, library)
edentv program: A Tool to Visualize Parallel Functional Program Executions (gpl, program)
edge program: Top view space combat arcade game (gpl, program)
edis library: Statically typechecked client for Redis (library, mit)
edit-distance library, test and benchmark: Levenshtein and restricted Damerau-Levenshtein edit distances (benchmark, bsd3, library, test)
edit-distance-vector library and test: Calculate edit distances and edit scripts between vectors. (bsd3, library, test)
edit-lenses library: Symmetric, stateful edit lenses (bsd3, library)
edit-lenses-demo program: Programs demoing the use of symmetric, stateful edit lenses (bsd3, program)
editable library: Interactive editors for Generics (bsd2, library)
editline library: Bindings to the editline library (libedit). (bsd3, library)
editor-open library and programs: Open the user's $VISUAL or $EDITOR for text input. (apache, library, program)
editpipe program: Edit stdin using an editor before sending to stdout. (bsd3, program)
effect-handlers library, test and benchmark: A library for writing extensible algebraic effects and handlers. Similar to extensible-effects but with deep handlers. (benchmark, library, mit, test)
effect-monad library: Embeds effect systems into Haskell using graded monads (bsd3, library)
effective-aspects library and test: A monadic embedding of aspect oriented programming (library, test)
effective-aspects-mzv library and test: A monadic embedding of aspect oriented programming, using "Monads, Zippers and Views" instead of mtl. (library, test)
effects library: Computational Effects (bsd3, library)
effects-parser library: Parser Effect for the Control.Effects Library (bsd3, library)
effin library: A Typeable-free implementation of extensible effects (bsd3, library)
egison library, program, test and benchmark: Programming language with non-linear pattern-matching against non-free data (benchmark, library, mit, program, test)
egison-quote library: A quasi quotes for using Egison expression in Haskell code (library, mit)
egison-tutorial program: A tutorial program for the Egison programming language (mit, program)
ehaskell program: like eruby, ehaskell is embedded haskell. (gpl, program)
ehs library: Embedded haskell template using quasiquotes. (library, mit)
eibd-client-simple library: EIBd Client (automation, eib, gpl, knx, library)
eigen library and tests: Eigen C++ library (linear algebra: matrices, sparse matrices, vectors, numerical solvers). (bsd3, library, test)
either library: An either monad transformer (bsd3, library)
either-unwrap library: Functions for probing and unwrapping values inside of Either. (bsd3, deprecated, library)
eithers library: None (bsd3, deprecated, library)
ekg library: Remote monitoring of processes (bsd3, library)
ekg-bosun library: Send ekg metrics to a Bosun instance (bsd3, library)
ekg-carbon library: An EKG backend to send statistics to Carbon (part of Graphite monitoring tools) (bsd3, library)
ekg-cloudwatch library and test: An ekg backend for Amazon Cloudwatch (bsd3, library, test)
ekg-core library and benchmarks: Tracking of system metrics (benchmark, bsd3, library)
ekg-elastic library: Push metrics to elastic (bsd3, deprecated, library)
ekg-elasticsearch library: Push metrics to elasticsearch (bsd3, library)
ekg-influxdb library: An EKG backend to send statistics to influxdb (bsd3, library)
ekg-json library: JSON encoding of ekg metrics (bsd3, library)
ekg-log library: Push metrics to a log file. (bsd3, library)
ekg-prometheus-adapter library and test: Easily expose your EKG metrics to Prometheus (library, mit, test)
ekg-push library: Small framework to push metric deltas to a broadcast channel using the ekg-core library. (bsd3, library)
ekg-rrd library and test: Passes ekg statistics to rrdtool (bsd3, library, test)
ekg-statsd library: Push metrics to statsd (bsd3, library)
ekg-wai library: Remote monitoring of processes (bsd3, library)
electrum-mnemonic library and test: easy to remember mnemonic for a high-entropy value (gpl, library, test)
elenco-albero library and test: make tree from a list (library, public-domain, test)
elerea library: A minimalistic FRP library (bsd3, library)
elerea-examples programs: Example applications for Elerea (bsd3, program)
elerea-sdl library: Elerea FRP wrapper for SDL (library)
elevator library: Immediately lifts to a desired level (bsd3, library)
elf library: Parser for ELF object format. (bsd3, library)
eliminators library and test: Dependently typed elimination functions using singletons (bsd3, library, test)
elision library and program: Arrows with holes. (bsd2, library, program)
elm-bridge library and tests: Derive Elm types and Json code from Haskell types (bsd3, library, test)
elm-build-lib library: Compile Elm code to JS within Haskell (bsd3, deprecated, depricated, library)
elm-compiler library, programs and test: Values to help with elm-package, elm-make, and elm-lang.org. (bsd3, deprecated, library, program, test)
elm-core-sources library: Source files for the Elm runtime and standard libraries (bsd3, elm, language, library)
elm-export library and test: A library to generate Elm types from Haskell source. (library, test)
elm-export-persistent library: elm-export persistent entities (library, mit)
elm-get library and program: Tool for sharing and using Elm libraries (bsd3, deprecated, library, program)
elm-hybrid library and test: Combine Elm with Haskell for data based applications (bsd3, library, test)
elm-init program: Set up basic structure for an elm project (mit, program)
elm-make program: A build tool for Elm projects (bsd3, deprecated, program)
elm-package library and program: Package manager for Elm libraries (bsd3, deprecated, library, program)
elm-reactor program: Interactive development tool for Elm programs (bsd3, deprecated, program)
elm-repl program and test: a REPL for Elm (bsd3, deprecated, program, test)
elm-server program: Server for developing Elm projects (bsd3, deprecated, program)
elm-yesod library: The Elm language Yesod compatibility module. (bsd3, library)
elo library and test: Elo Rating Library (bsd3, library, test)
elocrypt library, program and tests: Generate easy-to-remember, hard-to-guess passwords (library, program, test)
elsa library, program and test: A tiny language for understanding the lambda-calculus (library, mit, program, test)
emacs-keys library and tests: library to parse emacs style keybinding into the modifiers and the chars (library, test)
email library: Sending eMail in Haskell made easy (bsd3, deprecated, library)
email-header library and test: Parsing and rendering of email and MIME headers (bsd3, library, test)
email-postmark library: A simple wrapper to send emails via the api of the service postmark (http://postmarkapp.com/) (bsd3, deprecated, library)
email-validate library and tests: Email address validation (bsd3, library, test)
email-validate-json library: Aeson instances for email-validate (bsd3, library)
email-validator program and tests: Perform basic syntax and deliverability checks on email addresses. (gpl, program, test)
emailaddress library and test: Wrapper around email-validate library adding instances for common type classes. (bsd3, library, test)
emailparse library and test: An email parser that will parse everything (bsd3, library, test)
embeddock library and program: Embed the values in scope in the haddock documentation of the module (bsd3, library, program)
embeddock-example library: Example of using embeddock. (bsd3, library)
embroidery library and program: support for embroidery formats in haskell (gpl, library, program)
emgm library and test: Extensible and Modular Generics for the Masses (bsd3, library, test)
empty library: Ceci n'est pas une package (bsd3, deprecated, library)
empty-monad library: A container that always has no values. (bsd3, library)
enchant library and test: Binding to the Enchant library (bsd3, library, test)
enclosed-exceptions library and test: Catching all exceptions from within an enclosed computation (library, mit, test)
encode-string library and test: Safe string conversion and encoding (library, mit, test)
encoding library and test: A library for various character encodings (bsd3, library, test)
encoding-io library: Encoding-aware file I/O. (bsd3, library)
endo library: Endomorphism utilities. (bsd3, library)
engine-io library: A Haskell implementation of Engine.IO (bsd3, library)
engine-io-growler library: (library, mit)
engine-io-snap library: (bsd3, library)
engine-io-wai library: (bsd3, library)
engine-io-yesod library: (bsd3, library)
engineering-units library: A numeric type for managing and automating engineering units. (bsd3, library)
entangle library and program: An application (and library) to convert quipper circuits into Qpmc models. (library, mit, program)
entropy library: A platform independent entropy source (bsd3, library)
enumerable library: A typeclass for enumerating all values a type (bsd3, library)
enumerate library and program: enumerate all the values in a finite type (automatically) (library, mit, program)
enumerate-function library, program, tests and benchmark: simple package for inverting functions and testing totality, via brute enumeration of the domain (benchmark, bsd3, library, program, test)
enumeration library and test: A practical API for building recursive enumeration procedures and enumerating datatypes. (bsd3, library, test)
enumerator library: Reliable, high-performance processing with left-fold enumerators (deprecated, library, mit)
enumerator-fd library: Enumerator instances for monads-fd classes (library, mit)
enumerator-tf library: Enumerator instances for monads-tf classes (library, mit)
enumfun library: Finitely represented /total/ EnumMaps (bsd3, library)
enummapmap library, tests and benchmark: Map of maps using Enum types as keys (benchmark, bsd3, library, test)
enummapset library: IntMap and IntSet with Enum keys/elements. (bsd3, library)
enummapset-th library: TH-generated EnumSet/EnumMap wrappers around IntSet/IntMap. (bsd3, library)
enumset library: Sets of enumeration values represented by machine words (bsd3, library)
env-locale library: A (non-forking) interface to the current locale (lgpl, library)
env-parser library: Pull configuration information from the ENV (library, mit)
envelope library and test: Defines generic 'Envelope' type to wrap reponses from a JSON API. (bsd3, library, test)
envparse library and test: Parse environment variables (bsd3, library, test)
envy library and test: An environmentally friendly way to deal with environment variables (bsd3, library, test)
epanet-haskell library: Haskell binding for EPANET (gpl, library)
epass library: Baisc, Erlang-like message passing supporting sockets. (bsd3, library)
epic library and program: Compiler for a simple functional language (bsd3, library, program)
epoll library: epoll bindings (lgpl, library)
eprocess library: Basic Erlang-like process support for Haskell (bsd3, library)
epub library and program: EPUB E-Book construction support library (bsd3, deprecated, library, program)
epub-metadata library, program and test: Library for parsing epub document metadata (bsd3, library, program, test)
epub-tools programs and test: Command line utilities for working with epub files (bsd3, program, test)
epubname program: Rename epub ebook files based on meta information (bsd3, deprecated, program)
eq library: Leibnizian equality (bsd3, library)
equal-files program: Shell command for finding equal files (gpl, program)
equational-reasoning library: Proof assistant for Haskell using DataKinds & PolyKinds (bsd3, library)
equivalence library and test: Maintaining an equivalence relation implemented as union-find using STT. (bsd3, library, test)
erd program: An entity-relationship diagram generator from a plain text description. (program, public-domain)
erf library: The error function, erf, and related functions. (bsd3, library)
erf-native library: Native Haskell implementation of the interface from the erf package (gpl, library)
erlang library: FFI interface to Erlang. (gpl, library)
eros library: A text censorship library. (bsd3, library)
eros-client program: DEPRECATED in favor of eros-http (bsd3, program)
eros-http program: JSON HTTP interface to Eros. (bsd3, program)
errno library: a FFI utility (bsd3, library)
error-analyze library and test: Parse ghc and cabal error messages and give their causes for easier resolution (bsd3, library, test)
error-continuations library: Error Continuations (library, public-domain)
error-list library: A useful type for collecting error messages. (library, mit)
error-loc library: An error replacement with call-site metadata. (library, mit)
error-location library: error functions that show file location information (bsd3, deprecated, library)
error-message library: Composable error messages. (bsd3, library)
error-util library: Set of utils and operators for error handling (library, mit)
errorcall-eq-instance library and test: An orphan Eq instance for ErrorCall (deprecated, library, mit, orphans, test)
errors library: Simplified error-handling (bsd3, library)
ersaconcat library, program and test: A script to concatenate AIP ERSA (bsd3, library, program, test)
ersatz library and tests: A monad for expressing SAT or QSAT problems using observable sharing. (bsd3, library, test)
ersatz-toysat library: toysat driver as backend for ersatz (bsd3, library)
ert library and program: Easy Runtime Templates (gpl, library, program)
escape-artist library and tests: ANSI Escape Sequence Text Decoration Made Easy (bsd3, library, test)
esotericbot library and program: Esotericbot is a sophisticated, lightweight IRC bot. (bsd3, library, program)
esqueleto library and test: Type-safe EDSL for SQL queries on persistent backends. (bsd3, library, test)
ess library: The type-level S combinator in Haskell. (library, mit)
estimator library: State-space estimation algorithms such as Kalman Filters (bsd3, library)
estimators library: Tool for managing probability estimation (bsd3, library)
estreps programs: Repeats from ESTs (gpl, program)
etc library and test: Declarative configuration spec for Haskell projects (library, mit, test)
etcd library and test: Client for etcd, a highly-available key value store (library, test)
eternal library: everything breaking the Fairbairn threshold (bsd3, library)
ether library, test and benchmark: Monad transformers and classes (benchmark, bsd3, library, test)
ethereum-analyzer library and test: A Ethereum contract analyzer. (apache, library, test)
ethereum-analyzer-cli library and programs: A CLI frontend for ethereum-analyzer. (apache, library, program)
ethereum-analyzer-deps library: Stripped dependencies of ethereum-analyzer. (apache, library)
ethereum-analyzer-webui library and program: A web frontend for ethereum-analyzer (apache, library, program)
ethereum-client-haskell programs and test: A Haskell version of an Ethereum client (bsd3, program, test)
ethereum-merkle-patricia-db library and test: A modified Merkle Patricia DB (bsd3, library, test)
ethereum-rlp library and test: Ethereum Recursive Length Prefix Encoding (bsd3, library, test)
eths-rlp library and tests: Ethereum Recursive Length Prefix Encoding (library, mit, test)
ety library and program: Random etymology online entry. (bsd3, library, program)
euler library, tests and benchmark: Mathematics utilities for Haskell (benchmark, library, mit, test)
euphoria library, test and benchmark: Dynamic network FRP with events and continuous values (benchmark, library, public-domain, test)
eurofxref library: Free foreign exchange/currency feed from the European Central Bank (bsd3, library)
eve library and test: An extensible event framework (bsd3, library, test)
event library: Monoidal, monadic and first-class events (bsd3, library)
event-driven library: library for event driven programming (bsd3, library)
event-handlers library: Event handlers (library, public-domain)
event-list library and test: Event lists with relative or absolute time stamps (gpl, library, test)
event-monad library: Event-graph simulation monad transformer (library, public-domain)
event-transformer library, program and test: Initial project template from stack (bsd3, deprecated, library, program, test)
eventful-core library and test: Core module for eventful (library, mit, test)
eventful-dynamodb library and test: Library for eventful DynamoDB event stores (library, mit, test)
eventful-memory library and test: In-memory implementations for eventful (library, mit, test)
eventful-postgresql library and test: Postgres implementations for eventful (library, mit, test)
eventful-sql-common library: Common library for SQL event stores (library, mit)
eventful-sqlite library and test: SQLite implementations for eventful (library, mit, test)
eventful-test-helpers library: Common module used for eventful tests (library, mit)
eventloop library: A different take on an IO system. Based on Amanda's IO loop, this eventloop takes a function that maps input events to output events. It can easily be extended by modules that represent IO devices or join multiple modules together. (bsd3, library)
eventsource-api library: Provides an eventsourcing high level API. (bsd3, library)
eventsource-geteventstore-store library and test: GetEventStore store implementation. (bsd3, library, test)
eventsource-store-specs library: Provides common test specification for Store implementation. (bsd3, library)
eventsource-stub-store library and test: An in-memory stub store implementation. (bsd3, library, test)
eventsourced library, program and test: Server-Sent Events the UNIX way (library, mit, program, test)
eventstore library and test: EventStore TCP Client (bsd3, library, test)
every library: Run a process every so often. (bsd3, library)
every-bit-counts library: A functional pearl on encoding and decoding using question-and-answer strategies (bsd3, library)
ewe program: A language for teaching simple programming languages (bsd3, program)
ex-pool library: Another fork of resource-pool, with a MonadIO and MonadCatch constraint (bsd3, library)
exact-combinatorics library: Efficient exact computation of combinatoric functions. (bsd3, library)
exact-cover library and test: Efficient exact cover solver. (bsd3, library, test)
exact-pi library: Exact rational multiples of pi (and integer powers of pi) (library, mit)
exact-real library, tests and benchmark: Exact real arithmetic (benchmark, library, mit, test)
exact-real-positional library: Framework for Exact Real Arithmetic in the Positional Number System (bsd3, library)
exception-hierarchy library: Exception type hierarchy with TemplateHaskell (bsd3, library)
exception-mailer library: Catch all runtime exceptions and send an email (bsd3, library)
exception-monads-fd library: Exception monad transformer instances for monads-fd classes. (bsd3, deprecated, library)
exception-monads-tf library: Exception monad transformer instances for monads-tf classes. (bsd3, library)
exception-mtl library: Exception monad transformer instances for mtl classes. (bsd3, library)
exception-transformers library and test: Type classes and monads for unchecked extensible exceptions. (bsd3, library, test)
exceptional library: Essentially the Maybe type with error messages. (bsd2, library)
exceptions library and test: Extensible optionally-pure exceptions (bsd3, library, test)
execs library and program: Tool to run stack exec prj-exe more easy (library, mit, program)
executable-hash library, program and tests: Provides the SHA1 hash of the program executable (library, mit, program, test)
executable-path library: Finding out the full path of the executable. (library, public-domain)
executor library and test: Shell helpers (library, mit, test)
exference library: Tool to search/generate (haskell) expressions with a given type (bsd3, library)
exhaustive library: Compile time checks that a computation considers producing data through all possible constructors (bsd3, library)
exherbo-cabal library, program and test: Exheres generator for cabal packages (gpl, library, program, test)
exif library: A Haskell binding to a subset of libexif (bsd3, library)
exinst library and test: Recover type indexes and instances for your existentialized types. (bsd3, library, test)
exinst-aeson library: Derive instances for the `aeson` library for your existential types. (bsd3, deprecated, library)
exinst-bytes library: Derive instances for the `bytes` library for your existential types. (bsd3, deprecated, library)
exinst-deepseq library: Derive instances for the `deepseq` library for your existential types. (bsd3, deprecated, library)
exinst-hashable library: Derive instances for the `hashable` library for your existential types. (bsd3, deprecated, library)
existential library: Existential types with lens-like accessors. (library, mit)
exists library: Existential datatypes holding evidence of constraints (bsd3, library)
exit-codes library: Exit codes as defined by BSD (bsd3, library)
exitcode library and test: Monad transformer for exit codes (bsd3, library, test)
exp-extended library: floating point with extended exponent range (bsd3, library)
exp-pairs library and test: Linear programming over exponent pairs (gpl, library, test)
expand library: Extensible Pandoc (lgpl, library)
expat-enumerator library: Enumerator-based API for Expat (deprecated, library, mit)
expiring-cache-map library and tests: General purpose simple caching. (bsd3, library, test)
expiring-mvar library: Create values which expire after a period of time. (bsd3, library)
explain program: Show how expressions are parsed (mit, program)
explicit-determinant library: explicit computation of determinant of small matrices (gpl, library)
explicit-exception library: Exceptions which are explicit in the type signature. (bsd3, library)
explicit-iomodes library: File handles with explicit IOModes (bsd3, library)
explicit-iomodes-bytestring library: Extends explicit-iomodes with ByteString operations (bsd3, library)
explicit-iomodes-text library: Extends explicit-iomodes with Text operations (bsd3, library)
explicit-sharing library: Explicit Sharing of Monadic Effects (library, public-domain)
explore program: Experimental Plot data Reconstructor (bsd3, program)
exposed-containers library and tests: A distribution of the 'containers' package, with all modules exposed. (bsd3, library, test)
expression-parser library: Generalization of parsec's expression parser. (bsd3, library)
extcore library: Libraries for processing GHC Core (bsd3, library)
extemp program: automated printing for extemp speakers (bsd3, program)
extended-categories library: Extended Categories (bsd3, library)
extended-reals library and test: Extension of real numbers with positive/negative infinities (bsd3, library, test)
extensible library, test and benchmarks: Extensible, efficient, optics-friendly data types and effects (benchmark, bsd3, library, test)
extensible-data library: Sums/products/lists/trees which can be extended in other modules (library, public-domain)
extensible-effects library and test: An Alternative to Monad Transformers (library, mit, test)
extensible-exceptions library: Extensible exceptions (bsd3, library)
extensible-sp library: light-weight, extensible sums and products over types and kinds (library, mit)
external-sort library: Sort large arrays on your hard drive. Kind of like the unix util sort. (bsd3, library)
extra library and test: Extra functions I use. (bsd3, library, test)
extract-dependencies library and program: Given a hackage package outputs the list of its dependencies. (library, mit, program)
extractable-singleton library: A functor, where the "stored" value is isomorphic to Identity (bsd3, library)
extractelf program: Extract an ELF's metadata and sections into files (bsd3, program)
extralife library: API Client for ExtraLife team and user data (bsd3, library)
extrapolate library and tests: generalize counter-examples of test properties (bsd3, library, test)
ez-couch library: A high level static library for working with CouchDB (deprecated, library, mit)
faceted library: Faceted computation for dynamic information flow security (apache, library)
factory library, program and test: Rational arithmetic in an irrational world. (gpl, library, program, test)
factual-api library: A driver for the Factual API (bsd3, library)
fad library: Forward Automatic Differentiation. (bsd3, library)
fadno-braids library: Braid representations in Haskell (bsd2, library)
fadno-xml library: XML/XSD combinators/schemas/codegen (bsd2, library)
fail library: Forward-compatible MonadFail class (bsd3, library)
failable-list library: A list-like type for lazy streams, which might terminate with an error. (bsd3, deprecated, library)
failure library: A simple type class for success/failure computations. (deprecated) (bsd3, deprecated, library)
failure-detector library and test: Failure Detectors implimented in Haskell. (bsd3, library, test)
fair-predicates library: Fair Predicates (library, public-domain)
fake-type library: A crossplatform library to simulate keyboard input (bsd3, library)
faker library: Pure Haskell library for generating fake data (library, mit)
falling-turnip program: Falling sand game/cellular automata simulation using regular parallel arrays. (bsd3, program)
fallingblocks program: A fun falling blocks game. (gpl, program)
family-tree library: A family tree library for the Haskell programming language. (bsd3, library)
farmhash library, test and benchmark: Fast hash functions. (benchmark, bsd3, library, test)
fast-builder library, test and benchmarks: Fast ByteString Builder (benchmark, library, public-domain, test)
fast-digits library, test and benchmark: The fast library for integer-to-digits conversion. (benchmark, gpl, library, test)
fast-logger library and test: A fast logging system (bsd3, library, test)
fast-math library: Non IEEE-754 compliant compile-time floating-point optimisations (bsd3, library)
fast-mult library: Numeric type with asymptotically faster multiplications. (bsd3, library)
fast-nats library: Natural Numbers with no overhead (library, mit)
fast-tags library, program and test: Fast incremental vi and emacs tags. (bsd3, library, program, test)
fast-tagsoup library: Fast parsing and extracting information from (possibly malformed) HTML/XML documents (bsd3, library)
fast-tagsoup-utf8-only library: Fast parser for tagsoup package (bsd3, library)
fasta library: A simple, mindless parser for fasta files. (gpl, library)
fastbayes library: Bayesian modeling algorithms accelerated for particular model structures (library, mit)
fastcgi library: A Haskell library for writing FastCGI programs (bsd3, library)
fastedit library and test: find nearest neighbours by edit-distance (library, mit, test)
fastirc library: Fast Internet Relay Chat (IRC) library (bsd3, deprecated, library)
fastparser library and benchmark: A fast, but bare bones, bytestring parser combinators library. (benchmark, bsd3, library)
fastpbkdf2 library, test and benchmark: Haskell bindings to the fastpbkdf2 C library (benchmark, bsd3, library, test)
fathead-util library: Utilities for working with DuckDuckHack's FatHead Instant Answers (gpl, library)
fault-tree library: A fault tree analysis library. (bsd3, library)
fay library and program: A compiler for Fay, a Haskell subset that compiles to JavaScript. (bsd3, library, program)
fay-base library: The base package for Fay. (bsd3, library)
fay-builder library: Compile Fay code on cabal install, and ad-hoc recompile during development (bsd3, deprecated, library)
fay-dom library: DOM FFI wrapper library for Fay (bsd3, library)
fay-geoposition library: W3C compliant implementation of GeoPosition API. (bsd3, library)
fay-hsx library: Clientside HTML generation for fay. (bsd3, library)
fay-jquery library: jQuery bindings for Fay. (bsd3, library)
fay-ref library: Like IORef but for Fay. (bsd3, library)
fay-simplejson library: SimpleJSON library for Fay. (bsd3, library)
fay-text library: Fay Text type represented as JavaScript strings (library, mit)
fay-uri library: Persistent FFI bindings for using jsUri in Fay (bsd3, library)
fb library and test: Bindings to Facebook's API. (bsd3, library, test)
fb-persistent library: Provides Persistent instances to Facebook types. (bsd3, library)
fbmessenger-api library, program and test: High-level bindings to Facebook Messenger Platform API (bsd3, library, program, test)
fca library: Algo for Formal Concept Analysis (agpl, library)
fcache library and test: Cache a function (a -> b) (bsd3, library, test)
fcd library, program and test: A faster way to navigate directories using the command line. (library, mit, program, test)
fckeditor library: Server-Side Integration for FCKeditor (bsd3, library)
fclabels library, test and benchmark: First class accessor labels implemented as lenses. (benchmark, bsd3, library, test)
fclabels-monadlib library: MonadLib monadic interface for the "fclabels" package. (bsd3, library)
fdo-notify library: Desktop Notifications client (bsd3, library)
fdo-trash library and program: Utilities related to freedesktop Trash standard. (bsd3, library, program)
feature-flags library: A simple library for dynamically enabling and disabling functionality. (library, mit)
feature-flipper library and test: A minimally obtrusive feature flag library (library, mit, test)
feature-flipper-postgres library and test: A minimally obtrusive feature flag library (library, mit, test)
fec library: Forward error correction of ByteStrings (gpl, library)
fedora-packages library and tests: Haskell interface to the Fedora Packages webapp API. (bsd3, library, test)
feed library and test: Interfacing with RSS (v 0.9x, 2.x, 1.0) + Atom feeds. (bsd3, library, test)
feed-cli program: A simple command line interface for creating and updating feeds like RSS (bsd3, program)
feed-collect library: Watch RSS/Atom feeds (and do with them whatever you like). (library, public-domain)
feed-crawl library: Utility for fetching feeds with redirect info and HTML link detection (library, mit)
feed-gipeda library, program and test: CI service around gipeda (bsd3, library, program, test)
feed-translator program: Translate syndication feeds (agpl, program)
feed2lj program: (unsupported) (bsd3, deprecated, program)
feed2twitter library and program: Send posts from a feed to Twitter (bsd3, library, program)
feldspar-compiler library, tests and benchmark: Compiler for the Feldspar language (benchmark, bsd3, library, test)
feldspar-language library and tests: A functional embedded language for DSP and parallelism (bsd3, library, test)
feldspar-signal library: Signal Processing extension for Feldspar (bsd3, library)
fen2s library, program and test: Converting a chess position from FEN notation to text (library, mit, program, test)
fences library: To be written (gpl, library)
fenfire programs: Graph-based notetaking system (gpl, program)
fernet library and test: Generate and verify HMAC-based authentication tokens. (lgpl, library, test)
fez-conf library: Simple functions for loading config files (bsd3, library)
ffeed library and programs: Haskell binding to the FriendFeed API (bsd3, library, program)
fficxx library: automatic C++ binding generation (bsd3, library)
fficxx-runtime library: Runtime for fficxx-generated library (bsd3, library)
ffmpeg-light library: Minimal bindings to the FFmpeg library. (bsd3, library)
ffmpeg-tutorials programs: Tutorials on ffmpeg usage to play video/audio (bsd3, program)
fft library and test: Bindings to the FFTW library. (bsd3, library, test)
fftwRaw library: Low level bindings to FFTW. (bsd3, library)
fgl library and test: Martin Erwig's Functional Graph Library (bsd3, library, test)
fgl-arbitrary library and test: QuickCheck support for fgl (bsd3, library, test)
fgl-extras-decompositions library: Graph decomposition algorithms (bsd3, library)
fgl-visualize library: Convert FGL graphs to dot (graphviz) files (bsd3, library)
fibon programs: Tools for running and analyzing Haskell benchmarks (bsd3, program)
fibonacci library: Fast computation of Fibonacci numbers. (bsd3, library)
ficketed program: update statically hosted file in a push stule through socketed (mit, program)
fields library: First-class record field combinators with infix record field syntax. (bsd3, library)
fields-json library: Abusing monadic syntax JSON objects generation. (bsd3, library)
fieldwise library and test: Provides Fieldwise typeclass for operations of fields of records treated as independent components. (bsd2, library, test)
fig library: Manipulation of FIG files (bsd3, library)
file-collection library: Provide a uniform interface over file archives and directories (bsd3, library)
file-command-qq library: Quasiquoter for system commands involving filepaths (library, mit)
file-embed library and test: Use Template Haskell to embed file contents directly. (bsd3, library, test)
file-embed-poly library and test: Use Template Haskell to embed file contents directly. (bsd3, deprecated, library, test)
file-location library and test: common functions that show file location information (bsd3, library, test)
file-modules library and program: Takes a Haskell source-code file and outputs its modules. (library, mit, program)
file-templates program: Use templates for files and directories (bsd3, program)
filecache library and test: A Linux-only cache system associating values to files. (bsd3, library, test)
filediff library and test: Diffing and patching module (bsd3, library, test)
filelock library and test: Portable interface to file locking (flock / LockFileEx) (library, public-domain, test)
filemanip library: Expressive file and directory manipulation for Haskell. (bsd3, library)
fileneglect library: Block thread until a file stops being modified (bsd3, library)
filepath library and test: Library for manipulating FilePaths in a cross platform way. (bsd3, library, test)
filepath-io-access library: IO Access for filepath (gpl, library)
filepather library: Functions on System.FilePath (bsd3, library)
fileplow library and test: Library to process and search large files or a collection of files (bsd3, library, test)
filestore library and test: Interface for versioning file stores. (bsd3, library, test)
filesystem-conduit library and test: Use system-filepath data types with conduits. (deprecated) (deprecated, library, mit, test)
filesystem-enumerator library: Enumerator-based API for manipulating the filesystem. (deprecated, library, mit)
filesystem-trees library: Recursively manipulate and traverse filesystems as lazy rose trees. (bsd3, library)
filter-logger library, programs and test: Filterable request logging wai middleware. Change how data is logged and when. (library, mit, program, test)
filtrable library: Class of filtrable containers (bsd3, library)
final library: utility to add extra safety to monadic returns (bsd3, library)
final-pretty-printer library: Extensible pretty printing with semantic annotations and proportional fonts (library, mit)
find-clumpiness library and program: Find the clumpiness of labels in a tree (gpl, library, program)
find-conduit library, program and tests: A file-finding conduit that allows user control over traversals. (deprecated, library, mit, program, test)
find-source-files library: Initial project template from stack (library, mit)
fingertree library and test: Generic finger-tree structure, with example instances (bsd3, library, test)
fingertree-psqueue library: Implementation of priority search queues as finger trees. (bsd3, library)
fingertree-tf library: Generic finger-tree structure using type families. (bsd3, library)
finite-field library and test: Finite Fields (bsd3, library, test)
finite-typelits library: A type inhabited by finitely many values, indexed by type-level naturals. (bsd3, library)
first-and-last library and test: First and Last generalized to return up to n values (bsd3, library, test)
first-class-patterns library: First class patterns and pattern matching, using type families (bsd3, library)
firstify library and program: Defunctionalisation for Yhc Core (bsd3, library, program)
fishfood library, program and test: Calculates file-size frequency-distribution. (gpl, library, program, test)
fit library and test: FIT file decoder (bsd3, library, test)
fitsio library: A library for reading and writing data files in the FITS data format. (gpl, library)
fitspec library, tests and benchmarks: refining property sets for testing Haskell programs (benchmark, bsd3, library, test)
fix-imports program: Program to manage the imports of a haskell module (bsd3, program)
fix-parser-simple library: Simple fix-expression parser (lgpl, library)
fix-symbols-gitit library: Gitit plugin: Turn some Haskell symbols into pretty math symbols. (bsd3, library)
fixed library: Signed 15.16 precision fixed point arithmetic (bsd3, library)
fixed-length library: Lists with statically known length based on non-empty package. (bsd3, library)
fixed-list library: A fixed length list type (bsd3, library)
fixed-point library: Binary fixed-point arithmetic (deprecated, library, mit)
fixed-point-vector library: Unbox instances for the fixed-point package (deprecated, library, mit)
fixed-point-vector-space library: vector-space instances for the fixed-point package (deprecated, library, mit)
fixed-precision library: Fixed Precision Arithmetic (bsd3, library)
fixed-storable-array library: Fixed-size wrapper for StorableArray, providing a Storable instance. Deprecated - use storable-static-array instead. (bsd3, library)
fixed-vector library and test: Generic vectors with statically known size. (bsd3, library, test)
fixed-vector-binary library and test: Binary instances for fixed-vector (bsd3, library, test)
fixed-vector-cereal library and test: Cereal instances for fixed-vector (bsd3, library, test)
fixed-vector-hetero library: Generic heterogeneous vectors (bsd3, library)
fixed-width library: Fixed width subsets of an Int64/Word64. (bsd3, library)
fixedprec library: A fixed-precision real number type (bsd3, library)
fixedwidth-hs library and program: Quick parsing of fixed-width data formats. (library, mit, program)
fixfile library and test: File-backed recursive data structures. (lgpl, library, test)
fixhs library and program: FIX (co)parser (lgpl, library, program)
fixie library and test: Opininated testing framework for mtl style (spies, stubs, and mocks) (bsd3, library, test)
fixplate library and test: Uniplate-style generic traversals for optionally annotated fixed-point types. (bsd3, library, test)
fixpoint library: Data types as fixpoints (bsd3, library)
fixtime library: Some fixes to the time package (bsd2, library)
fizz-buzz library: Functional Fizz/Buzz (bsd3, library)
fizzbuzz library: test (bsd3, library)
fizzbuzz-as-a-service program: FizzBuzz as a service. (apache, program)
flac library and test: Complete high-level binding to libFLAC (bsd3, library, test)
flac-picture library and test: Support for writing picture to FLAC metadata blocks with JuicyPixels (bsd3, library, test)
flaccuraterip program: Verify FLAC files ripped form CD using AccurateRip™ (gpl, program)
flamethrower library: A template engine for HTML (library, mit)
flamingra library and program: FlameGraphs of profiling (bsd3, library, program)
flat library and test: Principled and efficient bit-oriented binary serialization. (bsd3, library, test)
flat-maybe library: Strict Maybe without space and indirection overhead (bsd3, library)
flat-mcmc library and tests: Painless general-purpose sampling. (library, mit, test)
flat-tex program: flatten a latex multi-file latex document (gpl, program)
flay library and test: Work on your datatype without knowing its shape nor its contents. (bsd3, library, test)
flexible-defaults library: Generate default function implementations for complex type classes. (library, public-domain)
flexible-time library: simple extension of Data.UnixTime. (library, mit)
flexible-unlit library and program: A configurable reimplementation of unlit (bsd3, library, program)
flexiwrap library: Flexible wrappers (bsd3, library)
flexiwrap-smallcheck library: SmallCheck (Serial) instances for flexiwrap (bsd3, library)
flickr library and programs: Haskell binding to the Flickr API (bsd3, library, program)
flight-igc library, program and test: A parser for IGC files. (bsd3, library, program, test)
flippers library: Variations on flip for multiple arguments (bsd3, library)
flite library: f-lite compiler, interpreter and libraries (bsd3, library)
flo library and program: Generate flow charts from your code base. (bsd3, library, program)
float-binstring library and test: C99 printf "%a" style formatting and parsing (bsd3, library, test)
floating-bits library, test and benchmark: Conversions between floating and integral values. (benchmark, bsd3, library, test)
floatshow library: Alternative faster String representations for Double and Float, String representations for more general numeric types. (bsd3, library)
flock library: Wrapper for flock(2) (library)
flow library and test: Write more understandable Haskell. (library, mit, test)
flow-er library and test: More directional operators (library, mit, test)
flow2dot library and program: Library and binary to generate sequence/flow diagrams from plain text source (bsd3, library, program)
flowdock library: Flowdock client library for Haskell (library, mit)
flowdock-api library, program and test: API integration with Flowdock. (library, mit, program, test)
flowdock-rest library and test: Flowdock REST API (bsd3, library, test)
flower programs: Analyze 454 flowgrams (.SFF files) (gpl, program)
flowlocks-framework library and test: Generalized Flow Locks Framework (bsd3, library, test)
flowsim programs: Simulate 454 pyrosequencing (gpl, program)
fltkhs library and programs: FLTK bindings (library, mit, program)
fltkhs-demos programs: FLTKHS demos. Please scroll to the bottom for more information. (deprecated, mit, program)
fltkhs-fluid-demos programs: Fltkhs Fluid Demos (deprecated, mit, program)
fltkhs-fluid-examples programs: Fltkhs Fluid Examples (deprecated, mit, program)
fltkhs-hello-world program: Fltkhs template project (mit, program)
fluent-logger library, test and benchmark: A structured logger for Fluentd (Haskell) (apache, benchmark, library, test)
fluent-logger-conduit library: Conduit interface for fluent-logger (library)
fluidsynth library: Haskell bindings to FluidSynth (library, mit)
fmark program: A Friendly Markup language without syntax. (bsd3, program)
fmlist library: FoldMap lists (bsd3, library)
fmt library: A new formatting library (bsd3, library)
fn library and test: A functional web framework. (library, test)
fn-extra library: Extras for Fn, a functional web framework. (library)
focus library: A general abstraction for manipulating elements of container data structures (library, mit)
fold-debounce library and tests: Fold multiple events that happen in a given period of time. (bsd3, library, test)
fold-debounce-conduit library and test: Regulate input traffic from conduit Source with Control.FoldDebounce (bsd3, library, test)
foldl library and benchmark: Composable, streaming, and efficient left folds (benchmark, bsd3, library)
foldl-incremental library, test and benchmark: incremental folds (benchmark, library, mit, test)
foldl-statistics library, test and benchmark: Statistical functions from the statistics package implemented as Folds. (benchmark, bsd3, library, test)
foldl-transduce library, tests and benchmark: Transducers for foldl folds. (benchmark, bsd3, library, test)
foldl-transduce-attoparsec library and tests: Attoparsec and foldl-transduce integration. (bsd3, library, test)
folds library: Beautiful Folding (bsd3, library)
folds-common library and tests: A playground of common folds for folds (library, mit, test)
folgerhs library and programs: Toolset for Folger Shakespeare Library's XML annotated plays (gpl, library, program)
follower program: Follow Tweets anonymously (gpl, program)
foma library: Simple Haskell bindings for Foma. (library, mit)
font-awesome-type library: A Font Awesome data type enumerating all icon classes (bsd3, library)
font-opengl-basic4x6 library and program: Basic4x6 font for OpenGL (library, program, public-domain)
foo program: Paper soccer, an OpenGL game. (gpl, program)
foobar library, program and test: Initial project template from stack (bsd3, deprecated, library, program, test)
for-free library: Functor, Monad, MonadPlus, etc for free (library, public-domain)
forbidden-fruit library and test: A library accelerates imperative style programming. (bsd3, library, test)
force-layout library: Simple force-directed layout (bsd3, library)
fordo program: Run a command on files with magic substituion support (sequencing and regexp) (gpl, program)
forecast-io library: A Haskell library for working with forecast.io data. (bsd3, library)
foreign-storable-asymmetric library: Types and instances for implementing a Storable with different peek and poke (bsd3, library)
foreign-store library: Store a stable pointer in a foreign context to be retrieved later. (bsd3, library)
foreign-var library: Encapsulating mutatable state in external libraries (bsd3, library)
forest library: Tree and Forest types (library, mpl)
forger library and program: Library for generating fake placeholder data (bsd3, deprecated, library, program)
forkable-monad library: An implementation of forkIO for monad stacks. (bsd3, library)
forma library and test: Parse and validate forms in JSON format (bsd3, library, test)
formal program: A statically typed, functional programming language (mit, program)
format library and test: Rendering from and scanning to format strings (library, mit, test)
format-numbers library and test: Various number formatting functions (library, mit, test)
format-status program: A utility for writing the date to dzen2. (mit, program)
formattable library and test: Business-quality formatting of numbers, dates, and other things (bsd3, library, test)
formatting library: Combinator-based type-safe formatting (like printf() or FORMAT) (bsd3, library)
forml program: A statically typed, functional programming language (mit, program)
formlets library: Formlets implemented in Haskell (bsd3, deprecated, library)
formlets-hsp library: HSP support for Formlets (bsd3, deprecated, library)
formura library and programs: Formura is a simple language to describe stencil computation. (library, mit, program)
forth-hll library: A simple eDSL for generating arrayForth code. (deprecated, gpl, library)
fortran-src library, program and test: Parser and anlyses for Fortran standards 66, 77, 90. (apache, library, program, test)
forward-chan library: Concurrent channels with a forwarding primitive (apache, library)
foscam-directory library and test: Foscam File format (bsd3, library, test)
foscam-filename library and test: Foscam File format (bsd3, library, test)
foscam-sort library, program and test: Foscam File format (bsd3, library, program, test)
foundation library and test: Alternative prelude with batteries and no dependencies (bsd3, library, test)
foundation-edge library: foundation's edge with the conventional set of packages (bsd3, library)
fountain library: A fountain codec. (bsd3, library)
fpco-api library: Simple interface to the FP Complete IDE API. (bsd3, library)
fpipe library: F#-style composition and application (bsd3, library)
fpnla library: A library for NLA operations (bsd3, library)
fpnla-examples library and tests: Example implementations for FPNLA library (bsd3, library, test)
fptest programs and tests: IEEE754r floating point conformance tests (bsd3, program, test)
fquery program: Installed package query tool for Gentoo Linux (program)
fractal program: Draw Newton, Julia and Mandelbrot fractals (bsd3, program)
fractals library and test: A collection of useful fractal curve encoders (bsd3, library, test)
fraction library: Fractions (bsd3, library)
frag program: A 3-D First Person Shooter Game (gpl, program)
frame library and program: A simple web framework. (bsd3, library, program)
frame-markdown library: A markdown to Frame GUI writer for Pandoc (bsd3, library)
franchise library: A package for configuring and building Haskell software (bsd3, library)
fraxl library and tests: Cached and parallel data fetching. (bsd3, library, test)
freddy library and test: RabbitMQ Messaging API supporting request-response (library, mit, test)
free library: Monads for free (bsd3, library)
free-concurrent library: Free monads suitable for concurrent computation (library, mit)
free-functors library: Free functors, adjoint to functors that forget class constraints. (bsd3, library)
free-game library: Create games for free (bsd3, library)
free-http library: An HTTP Client based on Free Monads. (library, mit)
free-operational library: Operational Applicative, Alternative, Monad and MonadPlus from free types. (bsd3, library)
free-theorems library: Automatic generation of free theorems. (library, public-domain)
free-theorems-counterexamples library and program: Automatically Generating Counterexamples to Naive Free Theorems (library, program, public-domain)
free-theorems-seq library: Taming Selective Strictness (library, public-domain)
free-theorems-seq-webui program: Taming Selective Strictness (program, public-domain)
free-theorems-webui programs: CGI-based web interface for the free-theorems package. (program, public-domain)
free-vector-spaces library: Instantiate the classes from the vector-space package with types from linear (bsd3, library)
free-vl library, program and test: van Laarhoven encoded Free Monad with Extensible Effects (bsd3, library, program, test)
freekick2 programs: A soccer game (gpl, program)
freenect library: Interface to the Kinect device. (bsd3, library)
freer library, program, test and benchmark: Implementation of the Freer Monad (benchmark, bsd3, library, program, test)
freer-converse library and test: Handle effects conversely using monadic conversation (bsd3, library, test)
freer-effects library, program, test and benchmark: Implementation of effect system for Haskell. (benchmark, bsd3, library, program, test)
freesect program: A Haskell syntax extension for generalised sections (bsd3, program)
freesound library and test: Access the Freesound Project database (bsd3, library, test)
freetype-simple library: Single line text rendering for OpenGL ES (library, public-domain)
freetype2 library: Haskell binding for FreeType 2 library (bsd3, library)
french-cards library and tests: French Playing Cards (bsd3, library, test)
fresco-binding library: Fresco binding for Haskell (library)
fresh library: Introduce fresh variables into Haskell source code (library, mit)
friday library and test: A functional image processing library for Haskell. (lgpl, library, test)
friday-devil library: Uses the DevIL C library to read and write images from and to files and memory buffers. (lgpl, library)
friday-juicypixels library and test: Converts between the Friday and JuicyPixels image types (bsd3, library, test)
friday-scale-dct library: Scale Friday images with DCT (bsd3, library)
friendly-time library and test: Print time information in friendly ways (bsd3, library, test)
frisby library: Linear time composable parser for PEG grammars (bsd3, library)
from-sum library and test: Canonical fromMaybeM and fromEitherM functions. (bsd3, library, test)
frontmatter library and test: Parses frontmatter as used in Jekyll markdown files. (library, mit, test)
frown program: LALR(k) parser generator (gpl, program)
frp-arduino library: Arduino programming without the hassle of C. (gpl, library)
frpnow library: Principled practical FRP (bsd3, library)
frpnow-gloss library: Program awesome stuff with Gloss and frpnow! (bsd3, library)
frpnow-gtk library: Program GUIs with GTK and frpnow! (bsd3, library)
frpnow-gtk3 library: Program GUIs with GTK3 and frpnow! (bsd3, library)
frquotes library and program: Lexical extension for Quasi-Quotations using French-Quotes (bsd3, library, program)
fs-events library: A haskell binding to the FSEvents API (bsd3, library)
fsh-csv library: csv parser for fsh (library, mit)
fsharp library: some F# operators, high priority pipes (bsd3, deprecated, library)
fsmActions library: Finite state machines and FSM actions (bsd3, library)
fsnotify library and test: Cross platform library for file change notification. (bsd3, library, test)
fsnotify-conduit library and test: Get filesystem notifications as a stream of events (library, mit, test)
fst library, program and test: Finite state transducers (bsd3, library, program, test)
fsutils library: File system utilities for Haskell that are missing from built in libraries. (library, mit)
fswait program: Wait and observe events on the filesystem for a path, with a timeout (bsd3, program)
fswatch library and program: File System watching tool with cli and slave functionalities. (bsd3, library, program)
fswatcher program: Watch a file/directory and run a command when it's modified (bsd3, program)
ftdi : A thin layer over USB to communicate with FTDI chips (bsd3)
ftp-client library and test: Transfer files with FTP and FTPS (library, public-domain, test)
ftp-client-conduit library and test: Transfer file with FTP and FTPS with Conduit (library, public-domain, test)
ftp-conduit library: FTP client package with conduit interface based off http-conduit (bsd3, library)
ftphs library: FTP Client and Server Library (lgpl, library)
ftree library: Depth-typed functor-based trees, both top-down and bottom-up (bsd3, library)
ftshell program: Shell interface to the FreeTheorems library. (program, public-domain)
fugue library: A recapitulated prelude with minimal dependencies and profligate exports. (bsd3, library)
full-sessions library: a monad for protocol-typed network programming (bsd3, library)
full-text-search library and test: In-memory full text search engine (bsd3, library, test)
fullstop library, program and test: Simple sentence segmenter (bsd3, library, program, test)
funbot program: IRC bot for fun, learning, creativity and collaboration. (program, public-domain)
funbot-client library: Report events to FunBot over a JSON/HTTP API. (library, public-domain)
funbot-ext-events library: Interact with FunBot's external events. (library, public-domain)
funbot-git-hook program: Git hook which sends events to FunBot. (cc0, program, public-domain)
funcmp library: Functional MetaPost (gpl, library)
funcons-tools library and program: A modular interpreter for executing funcons (library, mit, program)
function-combine library: Combining functions (bsd3, library)
function-instances-algebra library: Instances of the Algebra.* classes for functions (bsd3, library)
functional-arrow library: Combinators that allow for a more functional/monadic style of Arrow programming (bsd3, library)
functional-kmp library: KMP implemented on haskell's built-in cons-cell-based lists. (bsd3, library)
functor-apply library: This package has been subsumed by semigroupoids (bsd3, deprecated, library)
functor-classes-compat library: Data.Functor.Classes instances for core packages (bsd3, library)
functor-combo library: Functor combinators with tries & zippers (bsd3, library)
functor-infix library: Infix operators for mapping over compositions of functors. Lots of them. (library, mit)
functor-monadic library: Monad-style combinators for functors. (apache, library)
functor-utils library: Collection of functor utilities, providing handy operators, like generalization of (.). (apache, library)
functorm library: Data.FunctorM (compatibility package) (bsd3, library)
functors library: (.:) and friends, syntax for Functor and Applicative. (bsd3, library)
funion program: A unioning file-system using HFuse (bsd3, program)
funnyprint library, test and benchmark: funnyPrint function to colorize GHCi output. (benchmark, library, mit, test)
funpat library: A generalization of pattern matching (bsd3, library)
funsat library and program: A modern DPLL-style SAT solver (bsd3, library, program)
fusion library and test: Effectful streaming library based on shortcut fusion techniques (bsd3, deprecated, library, test)
futun program: Simple IP-over-UDP tunnel using TUNTAP (gpl, program)
future library: Supposed to mimics and enhance proposed C++ "future" features (bsd3, library)
future-resource library: realtime resource handling with manual concurrency (lgpl, library)
fuzzcheck library and test: A simple checker for stress testing monadic code (bsd3, library, test)
fuzzy library and test: Filters a list based on a fuzzy string search. (library, mit, test)
fuzzy-timings library and test: Translates high-level definitions of "fuzzily" scheduled objects (e.g. play this commercial 10 times per hour between 9:00-13:00) to a list of accurately scheduled objects using glpk-hs. (library, mit, test)
fuzzytime library and program: A 'ten past six' style clock (gpl, library, program)
fwgl library: Game engine (bsd3, deprecated, library)
fwgl-glfw library: FWGL GLFW backend (bsd3, deprecated, library)
fwgl-javascript library: FWGL GHCJS backend (bsd3, deprecated, library)
fx library: Horizontally composable effects (library, mit)
g-npm program: Generate Gentoo ebuilds from NodeJS/npm packages. (mit, program)
g4ip library and test: A theorem prover for propositional logic that uses G4ip (library, mit, test)
gact program: General Alignment Clustering Tool (gpl, program)
game-of-life program and test: Conway's Game of Life (mit, program, test)
game-probability library: Simple probability library for dice rolls, card games and similar (bsd3, library)
game-tree library: Searching game trees with alpha-beta pruning (gpl, library)
gameclock program: Game clock that shows two analog clock faces (gpl, program)
gamma library: Gamma function and related functions. (library, public-domain)
gang-of-threads library: Non-deterministic parallelism with bags (bsd3, library)
garepinoh library and programs: reverse prefix notation calculator and calculation library (library, program, public-domain)
garsia-wachs library: A Functional Implementation of the Garsia-Wachs Algorithm (bsd3, library)
gasp library: A framework of algebraic classes (bsd3, library)
gbu library: planar graph embedding into a plane (bsd3, library)
gc library: Poor Richard's Memory Manager (bsd3, library)
gc-monitoring-wai library: a wai application to show GHC.GCStats (bsd3, library)
gcodehs library and program: GCode processor (bsd3, library, program)
gconf library: Binding to the GNOME configuration database system. (lgpl, library)
gd library: A Haskell binding to a subset of the GD graphics library (bsd3, library)
gdiff library: Generic diff and patch (bsd3, library)
gdiff-ig library: Generic diff for the instant-generics library (bsd3, library)
gdiff-th library and test: Generate gdiff GADTs and Instances. (bsd3, library, test)
gdo program: recursive atomic build system (gpl, program)
gearbox program: zooming rotating fractal gears graphics demo (gpl, program)
geek library: Geek blog engine (bsd3, library)
geek-server library and program: Geek blog engine server (gpl, library, program)
gegl library: Haskell bindings to GEGL library (lgpl, library)
gelatin library and program: An experimental real time renderer. (library, mit, program)
gemstone library: A simple library of helpers for SDL+GL games. (gpl, library)
gen-passwd program: Create wordlist-based passwords easily (bsd3, program)
gencheck library: A testing framework inspired by QuickCheck and SmallCheck (bsd3, library)
gender library and program: Identify a persons gender by their first name (lgpl, library, program)
genders library and test: Bindings to libgenders. (library, mit, test)
gendocs library and test: Library for generating interface documentation from types (bsd3, library, test)
general-games library and test: Library supporting simulation of a number of games (library, mit, test)
general-prelude library: Prelude replacement using generalized type classes where possible (bsd3, deprecated, library)
generator library: Python-generators notation for creation of monadic lists (bsd3, library)
generators library: Actually useful monadic random value generators. (bsd3, deprecated, library)
generic-accessors library and test: stringly-named getters for generic data (bsd3, library, test)
generic-aeson library: Derivation of Aeson instances using GHC generics. (bsd3, library)
generic-arbitrary library: Generic implementation for QuickCheck's Arbitrary (library, mit)
generic-binary library: Generic Data.Binary derivation using GHC generics. (bsd3, library)
generic-church library and test: Automatically convert Generic instances to and from church representations (library, mit, test)
generic-deepseq library: Generic deep evaluation of data structures (bsd3, library)
generic-deriving library and test: Generic programming library for generalised deriving. (bsd3, library, test)
generic-enum library and test: An Enum class that fixes some deficiences with Prelude's Enum (library, mit, test)
generic-lens library, test and benchmark: Generic data-structure operations exposed as lenses. (benchmark, bsd3, library, test)
generic-lucid-scaffold library: General-purpose web page scaffold for Lucid. (deprecated, library, mit)
generic-maybe library and benchmark: A generic version of Data.Maybe (benchmark, bsd3, library)
generic-pretty library and test: Pretty printing for Generic value (library, mit, test)
generic-random library: Generic random generators (library, mit)
generic-records library: Magic record operations using generics (bsd3, library)
generic-server library: Simple generic TCP/IP server (bsd3, library)
generic-storable library and test: Generic implementation of Storable (bsd3, library, test)
generic-tree library: Generic Tree data type (deprecated, lgpl, library)
generic-trie library: A map, where the keys may be complex structured data. (bsd3, library)
generic-xml library: Marshalling Haskell values to/from XML (bsd3, library)
generic-xmlpickler library and test: Generic generation of HXT XmlPickler instances using GHC Generics. (bsd3, library, test)
generics-eot library and tests: A library for generic programming that aims to be easy to understand (bsd3, library, test)
generics-sop library and test: Generic Programming using True Sums of Products (bsd3, library, test)
generics-sop-lens library: Lenses for types in generics-sop (bsd3, library)
genericserialize library: Serialization library using Data.Generics (bsd3, library)
genesis library and test: Opinionated bootstrapping for Haskell web services. (library, test)
genesis-test library and test: Opinionated bootstrapping for Haskell web services. (library, test)
genetics program: A Genetic Algorithm library (bsd3, program)
geni-gui library and program: GenI graphical user interface (gpl, library, program)
geni-util library and program: Companion tools for use with the GenI surface realiser (gpl, library, program)
geniconvert program: Conversion utility for the GenI generator (gpl, program)
genifunctors library and test: Generate generalized fmap, foldMap and traverse (bsd3, library, test)
geniplate library: Use Template Haskell to generate Uniplate-like functions. (bsd3, library)
geniplate-mirror library: Use Template Haskell to generate Uniplate-like functions. (bsd3, library)
geniserver library and program: Simple HTTP server for GenI results (gpl, library, program)
genprog library: Genetic programming library (bsd3, library)
gentlemark library and test: Gentle markup language (bsd3, library, test)
genvalidity library and test: Testing utilities for the validity library (library, mit, test)
genvalidity-aeson library and test: GenValidity support for aeson (library, mit, test)
genvalidity-bytestring library and test: GenValidity support for ByteString (library, mit, test)
genvalidity-containers library and test: GenValidity support for containers (library, mit, test)
genvalidity-hspec library and tests: Standard spec's for GenValidity instances (library, mit, test)
genvalidity-hspec-aeson library and tests: Standard spec's for aeson-related instances (library, mit, test)
genvalidity-hspec-binary library and tests: Standard spec's for binary-related Instances (library, mit, test)
genvalidity-hspec-cereal library and tests: Standard spec's for cereal-related instances (library, mit, test)
genvalidity-hspec-hashable library and tests: Standard spec's for Hashable instances (library, mit, test)
genvalidity-path library and test: GenValidity support for Path (library, mit, test)
genvalidity-property library and test: Standard properties for functions on `Validity` types (library, mit, test)
genvalidity-scientific library and test: GenValidity support for Scientific (library, mit, test)
genvalidity-text library and test: GenValidity support for Text (library, mit, test)
genvalidity-time library and test: GenValidity support for time (library, mit, test)
genvalidity-unordered-containers library and test: GenValidity support for unordered-containers (library, mit, test)
genvalidity-vector library and test: GenValidity support for vector (library, mit, test)
geo-resolver library and test: Performs geo location lookups and parses the results (library, mit, test)
geo-uk library: High precision conversion between GPS and UK Grid (bsd3, library)
geocalc library: Libary for calculating distances between two coordinates in WSG84 (bsd3, library)
geocode-google library: Geocoding using the Google Web API (bsd3, library)
geodetic library and test: Geodetic calculations (bsd3, library, test)
geodetics library and test: Terrestrial coordinate systems and geodetic calculations. (bsd3, library, test)
geohash library: Geohash latitudes and longitudes. (bsd3, library)
geoip2 library: Pure haskell interface to MaxMind GeoIP database (bsd3, library)
geojson library and tests: A thin GeoJSON Layer above the aeson library (bsd3, library, test)
geojson-types library: GeoJSON data types including JSON/BSON conversion. (bsd3, library)
geolite-csv library and test: Geolite CSV Parser (bsd3, library, test)
geom2d library and tests: package for geometry in euklidean 2d space (gpl, library, test)
getemx program: Fetch from emusic using .emx files (bsd3, program)
getflag library: Command-line parser. (library, mit)
getopt-generics library and test: Create command line interfaces with ease (bsd3, library, test)
getopt-simple library: A "System.Console.GetOpt" wrapper to make simple use case easy. (bsd3, library)
gf library, program and tests: Grammatical Framework (library, program, test)
ggtsTC program: A type checker and runtime system of rCOS/g (impl. of ggts-FCS). (gpl, program)
gh-pocket-knife library, program and test: Script helpers for interacting with GitHub (bsd3, library, program, test)
ghc library: The GHC API (bsd3, library)
ghc-boot library: Shared functionality between GHC and its boot libraries (bsd3, library)
ghc-boot-th library: Shared functionality between GHC and the @template-haskell@ library (bsd3, library)
ghc-compact library: In memory storage of deeply evaluated data structure (bsd3, library)
ghc-core program: Display GHC's core and assembly output in a pager (bsd3, program)
ghc-core-html program: Core to HTML display (bsd3, program)
ghc-datasize library: Determine the size of data structures in GHC's memory (bsd3, library)
ghc-dump-tree library and program: Dump GHC's parsed, renamed, and type checked ASTs (bsd3, library, program)
ghc-dup library: Explicitly prevent sharing (bsd3, library)
ghc-events library, program and test: Library and tool for parsing .eventlog files from GHC (bsd3, library, program, test)
ghc-events-analyze program: Analyze and visualize event logs (bsd3, program)
ghc-events-parallel library, program and test: Library and tool for parsing .eventlog files from parallel GHC (bsd3, library, program, test)
ghc-exactprint : ExactPrint for GHC (bsd3)
ghc-gc-tune program: Graph performance of Haskell programs with different GC flags (bsd3, program)
ghc-generic-instances library: Derived instances of GHC.Generic of the GHC AST (library, public-domain)
ghc-heap-view library and test: Extract the heap representation of Haskell values and thunks (bsd3, library, test)
ghc-imported-from library, programs and test: Find the Haddock documentation for a symbol. (bsd3, library, program, test)
ghc-make program: Accelerated version of ghc --make (bsd3, program)
ghc-man-completion program: Generate a bash completion from the GHC manpage (bsd3, program)
ghc-mod library, programs, tests and benchmark: Happy Haskell Hacking (agpl, benchmark, library, program, test)
ghc-mtl library: An mtl compatible version of the Ghc-Api monads and monad-transformers. (bsd3, library)
ghc-options library and program: Utilities for extracting GHC options needed to compile a given Haskell target. (library, mit, program)
ghc-parmake library, program and test: A parallel wrapper for 'ghc --make'. (bsd3, library, program, test)
ghc-parser library: Haskell source parser from GHC. (library, mit)
ghc-paths library: Knowledge of GHC's installation directories (bsd3, library)
ghc-pkg-autofix program: Simple utility to fix BROKEN package dependencies for cabal-install. (bsd3, program)
ghc-pkg-lib library: Provide library support for ghc-pkg information (bsd3, library)
ghc-prim library: GHC primitives (bsd3, library)
ghc-prof library and test: Library for parsing GHC time and allocation profiling reports (bsd3, library, test)
ghc-prof-flamegraph library and program: Generates data to be used with flamegraph.pl from .prof files. (library, mit, program)
ghc-server library: None (bsd3, library)
ghc-session library and program: Simplified GHC API (library, mit, program)
ghc-simple library: Simplified interface to the GHC API. (library, mit)
ghc-srcspan-plugin library: Generic GHC Plugin for annotating Haskell code with source location data. (bsd3, library)
ghc-syb library: Data and Typeable instances for the GHC API. (bsd3, library)
ghc-syb-utils library and test: Scrap Your Boilerplate utilities for the GHC API. (bsd3, library, test)
ghc-tcplugins-extra library: Utilities for writing GHC type-checker plugins (bsd2, library)
ghc-time-alloc-prof library and test: Library for parsing GHC time and allocation profiling reports (bsd3, deprecated, library, test)
ghc-timers library: Provides bindings to functions starting and stopping the RTS timers (bsd3, library)
ghc-typelits-extra library and test: Additional type-level operations on GHC.TypeLits.Nat (bsd2, library, test)
ghc-typelits-knownnat library and test: Derive KnownNat constraints from other KnownNat constraints (bsd2, library, test)
ghc-typelits-natnormalise library and test: GHC typechecker plugin for types of kind GHC.TypeLits.Nat (bsd2, library, test)
ghc-typelits-presburger library: Presburger Arithmetic Solver for GHC Type-level natural numbers. (bsd3, library)
ghc-usage library and program: Print minimal export lists (bsd3, library, program)
ghc-vis library: Live visualization of data structures in GHCi (bsd3, library)
ghci library: The library supporting GHC's interactive interpreter (bsd3, library)
ghci-diagrams library: Display simple diagrams from ghci (bsd3, deprecated, library)
ghci-haskeline program: An implementation of ghci using the Haskeline line-input library. (bsd3, program)
ghci-history-parser library and tests: parse output of ghci ":history" command (library, public-domain, test)
ghci-lib library: A library for interactively evaluating Haskell code. (library, mit)
ghci-ng program: Next generation GHCi (bsd3, program)
ghci-pretty library: colored pretty-printing within ghci (library, mit)
ghcid library, program and test: GHCi based bare bones IDE (bsd3, library, program, test)
ghcjs-ajax library: Crossbrowser AJAX Bindings for GHCJS (library, mit)
ghcjs-base-stub library: Allow GHCJS projects to compile under GHC and develop using intero. (bsd3, library)
ghcjs-codemirror library: Installs CodeMirror JavaScript files (library, mit)
ghcjs-dom library: DOM library that supports both GHCJS and GHC (library, mit)
ghcjs-dom-hello library and program: GHCJS DOM Hello World, an example package (library, mit, program)
ghcjs-dom-jsaddle library: DOM library that supports both GHCJS and GHC using jsaddle (library, mit)
ghcjs-dom-jsffi : DOM library using JSFFI and GHCJS (mit)
ghcjs-dom-webkit library: DOM library that supports both GHCJS and WebKitGTK (library, mit)
ghcjs-hplay library: Client-side web EDSL for transient nodes running in the web browser (library, mit)
ghcjs-perch library: GHCJS version of Perch library. (library, mit)
ghcjs-promise library: Bidirectional bidings to javascript's promise. (bsd3, library)
ghcjs-vdom library: Virtual-dom bindings for GHCJS (library, mit)
ghcjs-websockets library: Deprecated: use ghcjs-base's native websockets (deprecated, library, mit)
ghcjs-xhr library: XmlHttpRequest ("AJAX") bindings for GHCJS (bsd3, library)
ghclive library and program: Interactive Haskell interpreter in a browser. (bsd3, library, program)
ghczdecode program: Decode Z-encoded strings from GHC (bsd3, program)
ght library and program: Trivial routines for inspecting git repositories (gpl, library, program)
gi-atk library: Atk bindings (lgpl, library)
gi-cairo library: Cairo bindings (lgpl, library)
gi-gdk library: Gdk bindings (lgpl, library)
gi-gdkpixbuf library: GdkPixbuf bindings (lgpl, library)
gi-ggit library: libgit2-glib bindings (lgpl, library)
gi-gio library: Gio bindings (lgpl, library)
gi-girepository library: GIRepository (gobject-introspection) bindings (lgpl, library)
gi-glib library: GLib bindings (lgpl, library)
gi-gobject library: GObject bindings (lgpl, library)
gi-gst library: GStreamer bindings (lgpl, library)
gi-gstaudio library: GStreamerAudio bindings (lgpl, library)
gi-gstbase library: GStreamerBase bindings (lgpl, library)
gi-gstpbutils library: GStreamer Plugins Base Utils bindings (lgpl, library)
gi-gsttag library: GStreamer Tag bindings (lgpl, library)
gi-gstvideo library: GStreamerVideo bindings (lgpl, library)
gi-gtk library: Gtk bindings (lgpl, library)
gi-gtk-hs library: A wrapper for gi-gtk, adding a few more idiomatic API parts on top (lgpl, library)
gi-gtkosxapplication library: GtkosxApplication bindings (lgpl, library)
gi-gtksource library: GtkSource bindings (lgpl, library)
gi-javascriptcore library: JavaScriptCore bindings (lgpl, library)
gi-notify library: Libnotify bindings (lgpl, library)
gi-ostree library: OSTree bindings (lgpl, library)
gi-pango library: Pango bindings (lgpl, library)
gi-pangocairo library: PangoCairo bindings (lgpl, library)
gi-poppler library: Poppler bindings (lgpl, library)
gi-secret library: Libsecret bindings (lgpl, library)
gi-soup library: Libsoup bindings (lgpl, library)
gi-vte library: Vte bindings (lgpl, library)
gi-webkit library: WebKit bindings (lgpl, library)
gi-webkit2 library: WebKit2 bindings (lgpl, library)
gi-webkit2webextension library: WebKit2-WebExtension bindings (lgpl, library)
giak program: Fuzzy finder for cabal executables (mit, program)
gimlh library: Haskell parser for GIML (library, mit)
ginger library, program and test: An implementation of the Jinja2 template language in Haskell (library, mit, program, test)
ginsu program: Ginsu Gale Client (mit, program)
gio library: Binding to GIO (lgpl, library)
gipeda program: Git Performance Dashboard (mit, program)
giphy-api library and test: Giphy HTTP API wrapper and CLI search tool. (bsd3, library, test)
gist program: A reliable command-line client for gist.github.com (gpl, program)
git library and tests: Git operations in haskell (bsd3, library, test)
git-all program: Determine which Git repositories need actions to be taken (bsd3, program)
git-annex program: manage files with git, without checking their contents into git (gpl, program)
git-checklist program: Maintain per-branch checklists in Git (gpl, program)
git-date library and test: Bindings to the date parsing from Git. (gpl, library, test)
git-embed library: Use TH to embed Git repo information. (bsd2, deprecated, library)
git-fmt program: Custom git command for formatting code. (bsd3, program)
git-freq program and test: A Git subcommand to show total addition, deletion per file (bsd3, program, test)
git-gpush program: More intelligent push-to-GitHub utility. (bsd3, program)
git-jump program: Move a git branch (bsd3, program)
git-mediate program: Remove trivial conflict markers in a git repository (gpl, program)
git-monitor program: Passively snapshots working tree changes efficiently. (bsd3, program)
git-object library: Git object and its parser (bsd3, deprecated, library)
git-repair program: repairs a damanged git repisitory (gpl, program)
git-sanity library and program: A sanity checker for your git history. (apache, library, program)
git-vogue library, programs and test: A framework for pre-commit checks. (bsd3, library, program, test)
gitHUD library, program and test: More efficient replacement to the great git-radar (bsd3, library, program, test)
gitcache program: Simple git utility to use and manage clone cache (bsd3, program)
gitdo program: Create Github issues out of TODO comments in code (mit, program)
github library and test: Access to the GitHub API, v3. (bsd3, library, test)
github-backup programs: backs up everything github knows about a repository, to the repository (gpl, program)
github-post-receive library: GitHub webhooks library (bsd3, library)
github-release library and program: Upload files to GitHub releases. (library, mit, program)
github-tools programs: Various Github helper utilities. (agpl, program)
github-types library and test: Type definitions for objects used by the GitHub v3 API (library, test)
github-utils library: Useful functions that use the GitHub API (bsd3, library)
github-webhook-handler library: GitHub WebHook Handler (library, mit)
github-webhook-handler-snap library: GitHub WebHook Handler implementation for Snap (library, mit)
gitignore program: Apply GitHub .gitignore templates to already existing repositories. (bsd3, program)
gitit library and programs: Wiki using happstack, git or darcs, and pandoc. (gpl, library, program)
gitlib library: API library for working with Git repositories (library, mit)
gitlib-cmdline library and test: Gitlib repository backend that uses the git command-line tool. (library, mit, test)
gitlib-cross library and test: Run tests between repositories (deprecated, library, mit, test)
gitlib-libgit2 library and test: Libgit2 backend for gitlib (library, mit, test)
gitlib-s3 library and test: Gitlib repository backend for storing Git objects in Amazon S3 (library, mit, test)
gitlib-sample library: Sample backend for gitlib showing the basic structure for any backend. (deprecated, library, mit)
gitlib-test library: Test library for confirming gitlib backend compliance (library, mit)
gitlib-utils library: Generic utility functions for working with Git repositories (deprecated, library, mit)
gitrev library: Compile git revision info into Haskell projects (bsd3, library)
gitson library, tests and benchmark: A document store library for Git + JSON. (benchmark, library, public-domain, test)
gitter library: Gitter.im API client (bsd3, library)
givegif library, program and test: CLI Giphy search tool with previews in iTerm 2 (bsd3, library, program, test)
gjk library and test: Gilbert-Johnson-Keerthi (GJK) collision detection algorithm (library, mit, test)
gl library: Complete OpenGL raw bindings (bsd3, library)
gl-capture library: simple image capture from OpenGL (bsd3, library)
glabrous library and test: A template DSL library (bsd3, library, test)
glade library: Binding to the glade library. (lgpl, library)
gladexml-accessor library: Automagically declares getters for widget handles in specified interface file. (bsd3, library)
glambda library, program and test: A simply typed lambda calculus interpreter, written with GADTs (bsd3, library, program, test)
glapp library and program: An OpenGL micro framework. (deprecated, gpl, library, program)
glasso library: Graphical Lasso algorithm (bsd3, library)
glaze library: Framework for rendering things with metadata/headers and values (bsd3, library)
glazier library: Composable widgets framework with enhanced with transformers and lens. (bsd3, library)
glazier-pipes library: A threaded rendering framework using glaizer and pipes (bsd3, library)
glazier-react library: ReactJS binding using Glazier and Pipes.Fluid (bsd3, library)
glazier-react-examples program: Examples of using glazier-react (bsd3, program)
glazier-react-widget library: Generic widget library using glazier-react (bsd3, library)
gli library, program and test: Tiny cli to fetch PR info from gitlab (bsd3, library, program, test)
glib library: Binding to the GLIB library for Gtk2Hs. (lgpl, library)
glicko library and test: Glicko-2 implementation in Haskell. (gpl, library, test)
glider-nlp library and test: Natural Language Processing library (bsd3, library, test)
glintcollider program: A simple ray tracer in an early stage of development. (bsd3, program)
glirc library, program and test: Console IRC client (library, program, test)
gll library: GLL parser with simple combinator interface (bsd3, library)
glob-posix library, test and benchmark: Haskell bindings for POSIX glob library. (apache, benchmark, library, test)
global library: Library enabling unique top-level declarations (bsd3, library)
global-config library and test: Global mutable configuration (bsd3, library, test)
global-lock library: A global lock implemented without unsafePerformIO (bsd3, library)
global-variables library: Namespaced, global, and top-level mutable variables without unsafePerformIO. (bsd3, library)
glome-hs library and program: ray tracer (gpl, library, program)
gloss library: Painless 2D vector graphics, animations and simulations. (library, mit)
gloss-accelerate library: Extras to interface Gloss and Accelerate (bsd3, library)
gloss-algorithms library: Data structures and algorithms for working with 2D graphics. (library, mit)
gloss-banana library: An Interface for gloss in terms of a reactive-banana Behavior. (gpl, library)
gloss-devil library: Display images in Gloss using libdevil for decoding (bsd3, library)
gloss-examples programs: Examples using the gloss library (mit, program)
gloss-game library: Gloss wrapper that simplifies writing games (bsd3, library)
gloss-juicy library and program: Load any image supported by Juicy.Pixels in your gloss application (bsd3, library, program)
gloss-raster library: Parallel rendering of raster images. (library, mit)
gloss-raster-accelerate library: Parallel rendering of raster images using Accelerate (bsd3, library)
gloss-rendering library: Gloss picture data types and rendering functions. (library, mit)
gloss-sodium library: A Sodium interface to the Gloss drawing package. (agpl, library)
glpk-hs library: Comprehensive GLPK linear programming bindings (bsd3, library)
glue library, program and test: Make better services. (bsd3, deprecated, library, program, test)
glue-common library and test: Make better services and clients. (bsd3, library, test)
glue-core library and test: Make better services and clients. (bsd3, library, test)
glue-ekg library and test: Make better services and clients. (bsd3, library, test)
glue-example program: Make better services and clients. (bsd3, program)
gluturtle library: turtle like LOGO with glut (bsd3, library)
gmap library: Composable maps and generic tries. (bsd3, library)
gmndl program: Mandelbrot Set explorer using GTK (gpl, program)
gnome-desktop program: Randomly set a picture as the GNOME desktop background (gpl, program)
gnome-keyring library: Bindings for libgnome-keyring (gpl, library)
gnomevfs library: Binding to the GNOME Virtual File System library. (gpl, library)
gnss-converters library, programs and test: GNSS Converters. (bsd3, library, program, test)
gnuidn library and test: Bindings for GNU IDN (gpl, library, test)
gnuplot library: 2D and 3D plots using gnuplot (bsd3, library)
gnutls library: Bindings for GNU libgnutls (gpl, library)
goa library: GHCi bindings to lambdabot (bsd3, library)
goal-core library and program: Core imports for Geometric Optimization Libraries. (bsd3, library, program)
goal-geometry library and programs: Scientific computing on geometric objects (bsd3, library, program)
goal-probability library and programs: Manifolds of probability distributions (bsd3, library, program)
goal-simulation library and programs: Mealy based simulation tools (bsd3, library, program)
goat library and test: Time Series Compression (library, test)
goatee library and test: A monadic take on a 2,500-year-old board game - library. (agpl, library, test)
goatee-gtk library, program and test: A monadic take on a 2,500-year-old board game - GTK+ UI. (agpl, library, program, test)
gochan library, programs and test: Go-style channels (library, mit, program, test)
gofer-prelude library: The Gofer 2.30 standard prelude (bsd3, library)
gogol library: Comprehensive Google Services SDK. (library)
gogol-adexchange-buyer library: Google Ad Exchange Buyer SDK. (library)
gogol-adexchange-seller library: Google Ad Exchange Seller SDK. (library)
gogol-admin-datatransfer library: Google Admin Data Transfer SDK. (library)
gogol-admin-directory library: Google Admin Directory SDK. (library)
gogol-admin-emailmigration library: Google Email Migration API v2 SDK. (library)
gogol-admin-reports library: Google Admin Reports SDK. (library)
gogol-adsense library: Google AdSense Management SDK. (library)
gogol-adsense-host library: Google AdSense Host SDK. (library)
gogol-affiliates library: Google Affiliate Network SDK. (library)
gogol-analytics library: Google Analytics SDK. (library)
gogol-android-enterprise library: Google Play EMM SDK. (library)
gogol-android-publisher library: Google Play Developer SDK. (library)
gogol-appengine library: Google App Engine Admin SDK. (library)
gogol-apps-activity library: Google Apps Activity SDK. (library)
gogol-apps-calendar library: Google Calendar SDK. (library)
gogol-apps-licensing library: Google Enterprise License Manager SDK. (library)
gogol-apps-reseller library: Google Enterprise Apps Reseller SDK. (library)
gogol-apps-tasks library: Google Tasks SDK. (library)
gogol-appstate library: Google App State SDK. (library)
gogol-autoscaler library: Google Compute Engine Autoscaler SDK. (library)
gogol-bigquery library: Google BigQuery SDK. (library)
gogol-billing library: Google Cloud Billing SDK. (library)
gogol-blogger library: Google Blogger SDK. (library)
gogol-books library: Google Books SDK. (library)
gogol-civicinfo library: Google Civic Information SDK. (library)
gogol-classroom library: Google Classroom SDK. (library)
gogol-cloudmonitoring library: Google Cloud Monitoring SDK. (library)
gogol-cloudtrace library: Google Cloud Trace SDK. (library)
gogol-compute library: Google Compute Engine SDK. (library)
gogol-container library: Google Container Engine SDK. (library)
gogol-containerbuilder library: Google Cloud Container Builder SDK. (library)
gogol-core library and test: Core data types and functionality for Gogol libraries. (library, test)
gogol-customsearch library: Google CustomSearch SDK. (library)
gogol-dataflow library: Google Dataflow SDK. (library)
gogol-dataproc library: Google Cloud Dataproc SDK. (library)
gogol-datastore library: Google Cloud Datastore SDK. (library)
gogol-debugger library: Google Stackdriver Debugger SDK. (library)
gogol-deploymentmanager library: Google Cloud Deployment Manager SDK. (library)
gogol-dfareporting library: Google DCM/DFA Reporting And Trafficking SDK. (library)
gogol-discovery library: Google APIs Discovery Service SDK. (library)
gogol-dns library: Google Cloud DNS SDK. (library)
gogol-doubleclick-bids library: Google DoubleClick Bid Manager SDK. (library)
gogol-doubleclick-search library: Google DoubleClick Search SDK. (library)
gogol-drive library: Google Drive SDK. (library)
gogol-firebase-dynamiclinks library: Google Firebase Dynamic Links SDK. (library)
gogol-firebase-rules library: Google Firebase Rules SDK. (library)
gogol-fitness library: Google Fitness SDK. (library)
gogol-fonts library: Google Fonts Developer SDK. (library)
gogol-freebasesearch library: Google Freebase Search SDK. (library)
gogol-fusiontables library: Google Fusion Tables SDK. (library)
gogol-games library: Google Play Game Services SDK. (library)
gogol-games-configuration library: Google Play Game Services Publishing SDK. (library)
gogol-games-management library: Google Play Game Services Management SDK. (library)
gogol-genomics library: Google Genomics SDK. (library)
gogol-gmail library: Google Gmail SDK. (library)
gogol-groups-migration library: Google Groups Migration SDK. (library)
gogol-groups-settings library: Google Groups Settings SDK. (library)
gogol-iam library: Google Identity and Access Management (IAM) SDK. (library)
gogol-identity-toolkit library: Google Identity Toolkit SDK. (library)
gogol-kgsearch library: Google Knowledge Graph Search SDK. (library)
gogol-language library: Google Cloud Natural Language SDK. (library)
gogol-latencytest library: Google Cloud Network Performance Monitoring SDK. (library)
gogol-logging library: Google Stackdriver Logging SDK. (library)
gogol-manufacturers library: Google Manufacturer Center SDK. (library)
gogol-maps-coordinate library: Google Maps Coordinate SDK. (library)
gogol-maps-engine library: Google Maps Engine SDK. (library)
gogol-mirror library: Google Mirror SDK. (library)
gogol-ml library: Google Cloud Machine Learning SDK. (library)
gogol-monitoring library: Google Stackdriver Monitoring SDK. (library)
gogol-oauth2 library: Google OAuth2 SDK. (library)
gogol-pagespeed library: Google PageSpeed Insights SDK. (library)
gogol-partners library: Google Partners SDK. (library)
gogol-people library: Google People SDK. (library)
gogol-play-moviespartner library: Google Play Movies Partner SDK. (library)
gogol-plus library: Google + SDK. (library)
gogol-plus-domains library: Google + Domains SDK. (library)
gogol-prediction library: Google Prediction SDK. (library)
gogol-proximitybeacon library: Google Proximity Beacon SDK. (library)
gogol-pubsub library: Google Cloud Pub/Sub SDK. (library)
gogol-qpxexpress library: Google QPX Express SDK. (library)
gogol-replicapool library: Google Compute Engine Instance Group Manager SDK. (library)
gogol-replicapool-updater library: Google Compute Engine Instance Group Updater SDK. (library)
gogol-resourcemanager library: Google Cloud Resource Manager SDK. (library)
gogol-resourceviews library: Google Compute Engine Instance Groups SDK. (library)
gogol-runtimeconfig library: Google Cloud RuntimeConfig SDK. (library)
gogol-safebrowsing library: Google Safe Browsing APIs SDK. (library)
gogol-script library: Google Apps Script Execution SDK. (library)
gogol-servicecontrol library: Google Service Control SDK. (library)
gogol-servicemanagement library: Google Service Management SDK. (library)
gogol-sheets library: Google Sheets SDK. (library)
gogol-shopping-content library: Google Content API for Shopping SDK. (library)
gogol-siteverification library: Google Site Verification SDK. (library)
gogol-slides library: Google Slides SDK. (library)
gogol-spectrum library: Google Spectrum Database SDK. (library)
gogol-sqladmin library: Google Cloud SQL Administration SDK. (library)
gogol-storage library: Google Cloud Storage JSON SDK. (library)
gogol-storage-transfer library: Google Storage Transfer SDK. (library)
gogol-tagmanager library: Google Tag Manager SDK. (library)
gogol-taskqueue library: Google TaskQueue SDK. (library)
gogol-translate library: Google Translate SDK. (library)
gogol-urlshortener library: Google URL Shortener SDK. (library)
gogol-useraccounts library: Google Cloud User Accounts SDK. (library)
gogol-vision library: Google Cloud Vision SDK. (library)
gogol-webmaster-tools library: Google Search Console SDK. (library)
gogol-youtube library: Google YouTube Data SDK. (library)
gogol-youtube-analytics library: Google YouTube Analytics SDK. (library)
gogol-youtube-reporting library: Google YouTube Reporting SDK. (library)
gooey library: Graphical user interfaces that are renderable, change over time and eventually produce a value. (library, mit)
google-cloud library: Client for the Google Cloud APIs (library, mit)
google-dictionary library: Simple interface to the google.com/dictionary API (bsd3, deprecated, library)
google-drive library and test: Google Drive API access (library, mit, test)
google-html5-slide program: Google HTML5 Slide generator (bsd3, program)
google-mail-filters library and test: Write GMail filters and output to importable XML (bsd3, library, test)
google-maps-geocoding library: Google Maps Geocoding API bindings (bsd3, library)
google-oauth2 library and test: Google OAuth2 token negotiation (library, mit, test)
google-oauth2-for-cli library and test: Get Google OAuth2 token for CLI tools (bsd3, library, test)
google-oauth2-jwt library: Get a signed JWT for Google Service Accounts (bsd3, library)
google-search library: EDSL for Google and GMail search expressions (bsd3, library)
google-static-maps library: Bindings to the Google Static Maps API (bsd3, library)
google-translate library: Google Translate API bindings (bsd3, library)
googleplus library: Haskell implementation of the Google+ API v1 (bsd3, library)
googlepolyline library and test: Google Polyline Encoder/Decoder (library, mit, test)
gopher-proxy program: proxy gopher over http (gopher, gpl, http, network, program, proxy)
gopherbot program: Spidering robot to download files from Gopherspace (gpl, program)
gore-and-ash library: Core of FRP game engine called Gore&Ash (bsd3, library)
gore-and-ash-actor library: Gore&Ash engine extension that implements actor style of programming (bsd3, library)
gore-and-ash-async library and test: Core module for Gore&Ash engine that embeds async IO actions into game loop. (bsd3, library, test)
gore-and-ash-demo programs: Demonstration game for Gore&Ash game engine (bsd3, program)
gore-and-ash-glfw library: Core module for Gore&Ash engine for GLFW input events (bsd3, library)
gore-and-ash-lambdacube library: Core module for Gore&Ash engine that do something. (bsd3, library)
gore-and-ash-logging library: Core module for gore-and-ash with logging utilities (bsd3, library)
gore-and-ash-network library: Core module for Gore&Ash engine with low level network API (bsd3, library)
gore-and-ash-sdl library: Gore&Ash core module for integration with SDL library (bsd3, library)
gore-and-ash-sync library: Gore&Ash module for high level network synchronization (bsd3, library)
gotta-go-fast program: A command line utility for practicing typing (bsd3, program)
gpah program: Generic Programming Use in Hackage (bsd3, program)
gpcsets library: Generalized Pitch Class Sets for Haskell. (bsd3, library)
gpio library and program: Haskell GPIO interface, designed specifically for the RaspberryPi. (bsd3, library, program)
gpolyline library: Pure module for encoding/decoding Google Polyline (bsd3, library)
gps library and test: For manipulating GPS coordinates and trails. (bsd3, library, test)
gps2htmlReport library and program: GPS to HTML Summary Report (bsd3, library, program)
gpx-conduit library: Read GPX files using conduits (bsd3, geo, library)
graceful library and test: Library to write graceful shutdown / upgrade service. (bsd3, library, test)
graflog library and test: Monadic correlated log events (bsd3, library, test)
grammar-combinators library: A parsing library of context-free grammar combinators. (lgpl, library)
grammatical-parsers library, program, tests and benchmark: parsers that can combine into grammars (benchmark, bsd3, library, program, test)
grapefruit-examples library: Examples using the Grapefruit library (bsd3, library)
grapefruit-frp library: Functional Reactive Programming core (bsd3, library)
grapefruit-records library: A record system for Functional Reactive Programming (bsd3, library)
grapefruit-ui library: Declarative user interface programming (bsd3, library)
grapefruit-ui-gtk library: GTK+-based backend for declarative user interface programming (bsd3, library)
graph-core library and test: Fast, memory efficient and persistent graph implementation (library, mit, test)
graph-generators library, program and test: Functions for generating structured or random FGL graphs (apache, library, program, test)
graph-matchings library: An implementation of algorithms for matchings in graphs (lgpl, library)
graph-rewriting library: Monadic graph rewriting of hypergraphs with ports and multiedges (bsd3, library)
graph-rewriting-cl program: Interactive graph rewriting system implementing various well-known combinators (bsd3, deprecated, program)
graph-rewriting-gl library: OpenGL interface for interactive port graph rewriting (bsd3, library)
graph-rewriting-lambdascope program: Lambdascope, an optimal evaluator of the lambda calculus, as an interactive graph-rewriting system (bsd3, program)
graph-rewriting-layout library: Force-directed node placement intended for incremental graph drawing (bsd3, library)
graph-rewriting-ski programs: Two evalutors of the SKI combinator calculus as interactive graph rewrite systems (bsd3, program)
graph-rewriting-strategies library: Evaluation strategies for port-graph rewriting systems (bsd3, library)
graph-rewriting-trs program: Evaluate first-order applicative term rewrite systems interactively using graph reduction (bsd3, program)
graph-rewriting-ww program: Evaluator of the lambda-calculus in an interactive graph rewriting system with explicit sharing (bsd3, program)
graph-serialize library: Serialization of data structures with references. (bsd3, library)
graph-utils library: A simple wrapper & quasi quoter for fgl. (bsd3, library)
graph-visit library: Graph walk abstraction (bsd3, library)
graph-wrapper library and test: A wrapper around the standard Data.Graph with a less awkward interface (bsd3, library, test)
graphbuilder library and test: A declarative, monadic graph construction language for small graphs (library, mit, test)
graphene library: A minimal Graph Theory library. (library, mit)
graphics-drawingcombinators library: A functional interface to 2D drawing in OpenGL (bsd3, library)
graphics-formats-collada library: Load 3D geometry in the COLLADA format (bsd3, library)
graphicsFormats library: Classes for renderable objects. (bsd3, library)
graphicstools library and program: Tools for creating graphical UIs, based on wxHaskell. (bsd3, library, program)
graphmod program: Present the module dependencies of a program as a "dot" graph. (bsd3, program)
graphql library and test: Haskell GraphQL implementation (bsd3, library, test)
graphql-api library, tests and benchmark: Sketch of GraphQL stuff (apache, benchmark, library, test)
graphs library: A simple monadic graph library (bsd3, library)
graphted library: Graph indexed monads. (bsd3, library)
graphtype program: A simple tool to illustrate dependencies between Haskell types (bsd3, program)
graphviz library, test and benchmark: Bindings to Graphviz for graph visualisation. (benchmark, bsd3, library, test)
graql library and test: Execute Graql queries on a Grakn graph (apache, library, test)
grasp library, program and test: GRASP implementation for the AMMM project. (bsd3, library, program, test)
gravatar library and test: Generate Gravatar image URLs (library, mit, test)
gray-code library and test: Gray code encoder/decoder. (bsd3, library, test)
gray-extended library and test: Gray encoding schemes (bsd3, library, test)
graylog library and test: Support for graylog output. (library, test)
greencard library and program: GreenCard, a foreign function pre-processor for Haskell. (bsd3, library, program)
greencard-lib library: A foreign function interface pre-processor library for Haskell (bsd3, library)
greg-client library: A scalable distributed logger with a high-precision global time axis. (bsd3, library)
gremlin-haskell library, program and test: Graph database client for TinkerPop3 Gremlin Server (bsd3, library, program, test)
grenade library, test and benchmarks: Practical Deep Learning in Haskell (benchmark, bsd2, library, test)
greplicate library and test: Generalised replicate functions (library, test)
grid library and test: Tools for working with regular grids (graphs, lattices). (bsd3, library, test)
gridbounds library and test: Collision detection for GridBox (library, mit, test)
gridbox library and test: A grid box model (library, mit, test)
gridfs library: GridFS (MongoDB file storage) implementation (library)
gridland library: Grid-based multimedia engine (library, mit)
grm library and program: grm grammar converter (bsd3, library, program)
groom library and program: Pretty printing for well-behaved Show instances. (bsd3, library, program)
gross library and program: A spoof on gloss for terminal animation (library, mit, program)
groundhog library: Type-safe datatype-database mapping library. (bsd3, library)
groundhog-converters library and test: Extended Converter Library for groundhog embedded types (bsd3, library, test)
groundhog-inspector library and program: Type-safe datatype-database mapping library. (bsd3, library, program)
groundhog-mysql library: MySQL backend for the groundhog library. (bsd3, library)
groundhog-postgresql library: PostgreSQL backend for the groundhog library. (bsd3, library)
groundhog-sqlite library: Sqlite3 backend for the groundhog library (bsd3, library)
groundhog-th library: Type-safe datatype-database mapping library. (bsd3, library)
group-by-date program: Shell command for grouping files by dates into folders (bsd3, program)
group-with library and test: Classify objects by key-generating function, like SQL GROUP BY (apache, library, test)
grouped-list library, tests and benchmark: Grouped lists. Equal consecutive elements are grouped. (benchmark, bsd3, library, test)
groupoid library: A Groupoid class (bsd3, deprecated, library)
groupoids library: This package has been absorbed into semigroupoids 4.0 (bsd3, deprecated, library)
groups library: Haskell 98 groups (bsd3, library)
growler library: A revised version of the scotty library that attempts to be simpler and more performant. (library, mit)
gruff library and program: fractal explorer GUI using the ruff library (gpl, library, program)
gruff-examples programs: Mandelbrot Set examples using ruff and gruff (gpl, program)
gsasl library: Bindings for GNU libgsasl (gpl, library)
gsc-weighting library: Generic implementation of Gerstein/Sonnhammer/Chothia weighting. (bsd3, library)
gsl-random library: Bindings the the GSL random number generation facilities. (bsd3, library)
gsl-random-fu library: Instances for using gsl-random with random-fu (library, public-domain)
gsmenu program: A visual generic menu (bsd3, program)
gssapi library: libgssapi and libkrb5 bindings for haskell (bsd3, library)
gssapi-wai library: WAI Middleware for SPNEGO authentiaction (bsd3, library)
gstreamer library: Binding to the GStreamer open source multimedia framework. (lgpl, library)
gt-tools program: Console and GUI interface for Google Translate service (gpl, program)
gtfs library: The General Transit Feed Specification format (bsd3, library)
gtk library: Binding to the Gtk+ graphical user interface library. (lgpl, library)
gtk-helpers library: A collection of auxiliary operations and widgets related to Gtk+ (bsd3, library)
gtk-jsinput library: A simple custom form widget for gtk which allows inputing of JSON values (gpl, library)
gtk-largeTreeStore library and test: Large TreeStore support for gtk2hs (lgpl, library, test)
gtk-mac-integration library: Bindings for the Gtk/OS X integration library. (lgpl, library)
gtk-serialized-event library: GTK+ Serialized event. (lgpl, library)
gtk-simple-list-view library: A simple custom form widget for gtk which allows single LOC creation/updating of list views. (gpl, library)
gtk-toggle-button-list library: A simple custom form widget for gtk which allows single LOC creation/updating of toggle button lists. (gpl, library)
gtk-toy library: Convenient Gtk canvas with mouse and keyboard input. (bsd3, library)
gtk-traymanager library: A wrapper around the eggtraymanager library for Linux system trays (lgpl, library)
gtk2hs-buildtools library and programs: Tools to build the Gtk2Hs suite of User Interface libraries. (gpl, library, program)
gtk2hs-cast-glade library: A type class for cast functions of Gtk2hs: glade package (library)
gtk2hs-cast-glib library: A type class for cast functions of Gtk2hs: glib package (library)
gtk2hs-cast-gnomevfs library: A type class for cast functions of Gtk2hs: gnomevfs package (library)
gtk2hs-cast-gtk library: A type class for cast functions of Gtk2hs: gtk package (library)
gtk2hs-cast-gtkglext library: A type class for cast functions of Gtk2hs: gtkglext package (library)
gtk2hs-cast-gtksourceview2 library: A type class for cast functions of Gtk2hs: gtksourceview2 package (library)
gtk2hs-cast-th library: A type class for cast functions of Gtk2hs: TH package (library)
gtk2hs-hello program: Gtk2Hs Hello World, an example package (mit, program)
gtk2hs-rpn library: Adds a module to gtk2hs allowing layouts to be defined using reverse polish notation. (lgpl, library)
gtk3 library: Binding to the Gtk+ 3 graphical user interface library (lgpl, library)
gtk3-mac-integration library: Bindings for the Gtk/OS X integration library. (lgpl, library)
gtkglext library: Binding to the GTK+ OpenGL Extension (lgpl, library)
gtkimageview library: Binding to the GtkImageView library. (lgpl, library)
gtkrsync programs: Gnome rsync progress display (gpl, program)
gtksourceview2 library: Binding to the GtkSourceView library. (lgpl, library)
gtksourceview3 library: Binding to the GtkSourceView library. (lgpl, library)
guarded-rewriting library: Datatype-generic rewriting with preconditions (bsd3, library)
guess-combinator library: Generate simple combinators given their type (bsd3, library)
guid library and test: A simple wrapper around uuid (library, mit, test)
gulcii program: graphical untyped lambda calculus interactive interpreter (gpl, program)
gutenberg-fibonaccis library: The first 1001 Fibonacci numbers, retrieved from the Gutenberg Project. (gpl, library)
gyah-bin program: A binary version of GiveYouAHead (mit, program)
h-booru library and program: Haskell library for retrieving data from various booru image sites (gpl, library, program)
h-gpgme library and test: High Level Binding for GnuPG Made Easy (gpgme) (library, mit, test)
h-reversi library, program and test: Reversi game in haskell/blank-canvas (library, mit, program, test)
h2048 library and test: a haskell implementation of Game 2048 (library, mit, test)
h2c library: Bindings to Linux I2C with support for repeated-start transactions. (library, mit)
hArduino library: Control your Arduino board from Haskell. (bsd3, library)
hBDD library: An abstraction layer for BDD libraries (lgpl, library)
hBDD-CMUBDD library: An FFI binding to CMU/Long's BDD library (lgpl, library)
hBDD-CUDD library: An FFI binding to the CUDD library (lgpl, library)
hCM library, program and test: Conceptual modelling support for Haskell (library, mit, program, test)
hCsound library: interface to CSound API (lgpl, library)
hDFA library: A simple library for representing and minimising DFAs. (bsd3, library)
hF2 library: F(2^e) math for cryptography (bsd3, deprecated, library)
hGelf library: Haskell GELF library (bsd3, library)
hLLVM library and program: A library for analyzing and transforming LLVM (3.5) assembly codes (bsd3, library, program)
hMollom library: Library to interact with the @Mollom anti-spam service (bsd3, library)
hOpenPGP library, test and benchmark: native Haskell implementation of OpenPGP (RFC4880) (benchmark, library, mit, test)
hPDB library: Protein Databank file format library (bsd3, library)
hPDB-examples programs and test: Examples for hPDB library (bsd3, program, test)
hPushover library: Pushover.net API functions (bsd3, library)
hR library: R bindings and interface (bsd3, library)
hRESP library: haskell implementation of RESP (REdis Serialization Protocol). (bsd3, library)
hS3 library and program: Interface to Amazon's Simple Storage Service (S3) (bsd3, library, program)
hScraper library: A Haskell library to scrape and crawl web-pages (bsd3, crawler, html, library, parser, scraping)
hSimpleDB library: Interface to Amazon's SimpleDB service. (bsd3, library)
hTalos library and test: Parser, print and manipulate structures in PDB file format. (bsd3, library, test)
hTensor library: Multidimensional arrays and simple tensor computations. (bsd3, library)
hVOIDP library and program: Optimal variable selection in chain graphical model. (gpl, library, program)
hXmixer program: A Gtk mixer GUI application for FreeBSD (bsd3, program)
haar library and test: Haar wavelet transforms (bsd3, library, test)
habit library and program: Haskell message bot framework (bsd3, library, program)
hable library: customizable pretty printer library for tables (library, public-domain)
hablog library and program: A blog system (library, mit, program)
hacanon-light library: Template Haskell framework for automatic FFI code generation. (bsd3, library)
hack library: a Haskell Webserver Interface (bsd3, deprecated, library)
hack-contrib library: Hack contrib (bsd3, deprecated, library)
hack-contrib-press library: Hack helper that renders Press templates (gpl, library)
hack-frontend-happstack library: hack-frontend-happstack (bsd3, deprecated, library)
hack-frontend-monadcgi library: Allows programs written against MonadCGI to run with any hack handler. (deprecated) (bsd3, deprecated, library)
hack-handler-cgi library: Hack handler using CGI protocol. (deprecated) (bsd3, deprecated, library)
hack-handler-epoll library: hack handler implementation using epoll (lgpl, library)
hack-handler-evhttp library: Hack EvHTTP (libevent) Handler (gpl, library)
hack-handler-fastcgi library: Hack handler direct to fastcgi (deprecated) (bsd3, deprecated, library)
hack-handler-happstack library: Hack Happstack server handler (bsd3, deprecated, library)
hack-handler-hyena library: Hyena hack handler (bsd3, deprecated, library)
hack-handler-kibro library: Hack Kibro handler (deprecated, gpl, library)
hack-handler-simpleserver library: A simplistic HTTP server handler for Hack. (deprecated) (bsd3, deprecated, library)
hack-middleware-cleanpath library: Applies some basic redirect rules to get cleaner paths. (deprecated) (bsd3, deprecated, library)
hack-middleware-clientsession library: Middleware for easily keeping session data in client cookies. (deprecated) (bsd3, deprecated, library)
hack-middleware-gzip library: Automatic gzip compression of responses. (deprecated) (bsd3, deprecated, library)
hack-middleware-jsonp library: Automatic wrapping of JSON responses to convert into JSONP. (deprecated) (bsd3, deprecated, library)
hack2 library: a Haskell Webserver Interface (V2) (bsd3, library)
hack2-contrib library: Hack2 contrib (bsd3, library)
hack2-contrib-extra library: Hack2 contrib extra (bsd3, library)
hack2-handler-happstack-server library: Hack2 Happstack server handler (bsd3, library)
hack2-handler-mongrel2-http library: Hack2 Mongrel2 HTTP handler (bsd3, library)
hack2-handler-snap-server library: Hack2 Snap server handler (bsd3, library)
hack2-handler-warp library: Hack2 warp handler (bsd3, library)
hack2-interface-wai library: Hack2 interface to WAI (bsd3, library)
hackage-db library: access Hackage's package database via Data.Map (bsd3, library)
hackage-diff program: Compare the public API of different versions of a Hackage library (mit, program)
hackage-mirror library and program: Simple mirroring utility for Hackage (library, mit, program)
hackage-plot program: Generate cumulative graphs of hackage uploads (bsd3, program)
hackage-processing program: Process 00-index.tar.gz from Hackage (bsd3, program)
hackage-proxy program: Provide a proxy for Hackage which modifies responses in some way. (deprecated) (deprecated, mit, program)
hackage-repo-tool program: Utility to manage secure file-based package repositories (bsd3, program)
hackage-security library and test: Hackage security library (bsd3, library, test)
hackage-security-HTTP library: Hackage security bindings against the HTTP library (bsd3, library)
hackage-server test: The Hackage web server (bsd3, test)
hackage-sparks program: Generate sparkline graphs of hackage statistics (bsd3, program)
hackage-whatsnew program: Check for differences between working directory and hackage (bsd3, program)
hackage2hwn program: Convert Hackage RSS feeds to wiki format for publishing on Haskell.org (bsd3, program)
hackage2twitter program: Send new Hackage releases to Twitter (bsd3, program)
hackager program: Hackage testing tool (bsd3, program)
hackernews library and program: API for Hacker News (library, mit, program)
hackertyper program: "Hack" like a programmer in movies and games! (mit, program)
hackmanager library and program: Generate useful files for Haskell projects (bsd3, library, program)
hackport program and tests: Hackage and Portage integration tool (gpl, program, test)
hactor library: Lightweight Erlang-style actors for Haskell. (library, mit)
hactors library: Practical actors for Haskell. (library, mit)
haddock program and tests: A documentation-generation tool for Haskell libraries (bsd3, program, test)
haddock-api library and test: A documentation-generation tool for Haskell libraries (bsd3, library, test)
haddock-leksah program: A documentation-generation tool for Haskell libraries (bsd3, deprecated, program)