| abstract-deque |
Abstract, parameterized interface to mutable Deques |
| abstract-deque-tests |
A test-suite for any queue or double-ended queue satisfying an interface |
| abstract-par |
Type classes generalizing the functionality of the 'monad-par' library |
| ac-ppm |
Trivial package for writing PPM images |
| adjunctions |
Adjunctions and representable functors |
| aeson |
Fast JSON parsing and encoding |
| aeson-compat |
Compatibility layer for aeson |
| aeson-diff |
Extract and apply patches to JSON documents |
| aeson-pretty |
JSON pretty-printing library and command-line tool |
| aeson-qq |
JSON quasiquoter for Haskell |
| alex |
Alex is a tool for generating lexical analysers in Haskell |
| alex-tools |
A set of functions for a common use case of Alex |
| alsa-core |
Binding to the ALSA Library API (Exceptions) |
| alsa-mixer |
Bindings to the ALSA simple mixer API |
| alut |
A binding for the OpenAL Utility Toolkit |
| annotated-wl-pprint |
The Wadler/Leijen Pretty Printer, with annotation support |
| ansi-terminal |
Simple ANSI terminal support, with Windows compatibility |
| ansi-wl-pprint |
The Wadler/Leijen Pretty Printer for colored ANSI terminal output |
| appar |
A simple applicative parser |
| argparser |
Command line parsing framework for console applications |
| arithmoi |
Efficient basic number-theoretic functions. Primes, powers, integer logarithms |
| arrows |
Arrow classes and transformers |
| ascii-progress |
A simple progress bar for the console |
| asn1-encoding |
ASN1 data reader and writer in RAW, BER and DER forms |
| asn1-parse |
Simple monadic parser for ASN1 stream types |
| asn1-types |
ASN.1 types |
| async |
Run IO operations asynchronously and wait for their results |
| atomic-primops |
A safe approach to CAS and other atomic ops in Haskell |
| attoparsec |
Fast combinator parsing for bytestrings and text |
| attoparsec-conduit |
Consume attoparsec parsers via conduit. (deprecated) |
| attoparsec-enumerator |
Pass input from an enumerator to an Attoparsec parser |
| attoparsec-iso8601 |
Parsing of ISO 8601 dates, originally from aeson |
| authenticate |
Authentication methods for Haskell web applications |
| authenticate-oauth |
Library to authenticate with OAuth for Haskell web applications |
| auto-update |
Efficiently run periodic, on-demand actions |
| aws |
Amazon Web Services (AWS) for Haskell |
|
| base16-bytestring |
Fast base16 (hex) encoding and decoding for ByteStrings |
| base64-bytestring |
Fast base64 encoding and decoding for ByteStrings |
| base-compat |
A compatibility layer for base |
| base-compat-batteries |
base-compat with extra batteries |
| basement |
Foundation scrap box of array & string |
| base-noprelude |
"base" package sans "Prelude" module |
| base-orphans |
Backwards-compatible orphan instances for base |
| base-prelude |
The most complete prelude formed solely from the "base" package |
| base-unicode-symbols |
Unicode alternatives for common functions and operators |
| basic-prelude |
An enhanced core prelude; a common foundation for alternate preludes |
| bencode |
Parser and printer for bencoded data |
| bifunctors |
Haskell98 bifunctors package |
| binary |
Binary serialisation for Haskell values using lazy ByteStrings |
| binary-instances |
Orphan instances for binary |
| binary-orphans |
Orphan instances for binary |
| binary-tagged |
Tagged binary serialisation |
| biocore |
A bioinformatics library |
| biofasta |
Library for reading fasta sequence files |
| biosff |
Library and executables for working with SFF files |
| bitarray |
Mutable and immutable bit arrays |
| bits-atomic |
Atomic bit operations on memory locations for low-level synchronization |
| bitwise |
fast multi-dimensional unboxed bit packed Bool arrays |
| blaze-builder |
Efficient buffered output |
| blaze-builder-conduit |
Convert streams of builders to streams of bytestrings. (deprecated) |
| blaze-html |
A blazingly fast HTML combinator library for Haskell |
| blaze-markup |
A blazingly fast markup combinator library for Haskell |
| blaze-textual |
Fast rendering of common datatypes |
| bloomfilter |
Pure and impure Bloom Filter implementations |
| boolean |
Generalized booleans and numbers |
| boundedchan |
Implementation of bounded channels |
| boxes |
2D text pretty-printing library |
| bsb-http-chunked |
Chunked HTTP transfer encoding for bytestring builders |
| byteable |
Type class for sequence of bytes |
| bytedump |
Flexible byte dump helpers for human readers |
| byteorder |
Exposes the native endianness or byte ordering of the system |
| bytes |
Sharing code for serialization between binary and cereal |
| bytestring-builder |
The new bytestring builder, packaged outside of GHC |
| bytestring-handle |
ByteString-backed Handles |
| bytestring-mmap |
mmap support for strict ByteStrings |
| bytestring-show |
Efficient conversion of values into readable byte strings |
| bzlib |
Compression and decompression in the bzip2 format |
|
| c2hs |
C->Haskell FFI tool that gives some cross-language type safety |
| cabal |
A framework for packaging Haskell software |
| cabal-doctest |
A Setup.hs helper for doctests running |
| cabal-install |
The command-line interface for Cabal and Hackage |
| cairo |
Binding to the Cairo library |
| call-stack |
Use GHC call-stacks in a backward compatible way |
| casa-client |
Client for Casa |
| casa-types |
Types for Casa |
| case-insensitive |
Case insensitive string comparison |
| cassava |
A CSV parsing and encoding library |
| cereal |
A binary serialization library |
| cereal-vector |
Serialize instances for Data.Vector types |
| cgi |
A library for writing CGI programs |
| charset |
Fast unicode character sets based on complemented PATRICIA tries |
| chaselev-deque |
Chase & Lev work-stealing lock-free double-ended queues (deques) |
| chasingbottoms |
For testing partial and infinite values |
| chell |
A simple and intuitive library for automated testing |
| chimera |
Lazy infinite streams with O(1) indexing |
| chunked-data |
Typeclasses for dealing with various chunked data representations |
| cipher-aes |
Fast AES cipher implementation with advanced mode of operations |
| cipher-aes128 |
AES and common modes using AES-NI when available |
| cipher-camellia |
Camellia block cipher primitives |
| cipher-des |
DES and 3DES primitives |
| cipher-rc4 |
Fast RC4 cipher implementation |
| classy-prelude |
A typeclass-based Prelude |
| clientsession |
Securely store session data in a client-side cookie |
| clock |
High-resolution clock functions: monotonic, realtime, cputime |
| cmark |
Fast, accurate CommonMark (Markdown) parser and renderer |
| cmark-gfm |
Fast, accurate GitHub Flavored Markdown parser and renderer |
| cmdargs |
Command line argument processing |
| code-page |
Windows code page library for Haskell |
| colour |
A model for human colour/color perception |
| comonad |
Haskell 98 compatible comonads |
| comonads-fd |
This package has been merged into comonad 4.0 |
| comonad-transformers |
This package has been merged into comonad 4.0 |
| concurrent-extra |
Extra concurrency primitives |
| concurrent-output |
Ungarble output from several threads or commands |
| conduit |
Streaming data processing library |
| conduit-combinators |
Commonly used conduit functions, for both chunked and unchunked data |
| conduit-extra |
Batteries included conduit: adapters for common libraries |
| configfile |
Configuration file reading & writing |
| configurator |
Configuration management |
| connection |
Simple and easy network connections API |
| constraints |
Constraint manipulation |
| contravariant |
Contravariant functors |
| contravariant-extras |
Extras for the "contravariant" package |
| control-monad-loop |
Simple monad transformer for imperative-style loops |
| convertible |
Typeclasses and instances for converting between types |
| cookie |
HTTP cookie parsing and rendering |
| cpphs |
A liberalised re-implementation of cpp, the C pre-processor |
| cprng-aes |
Crypto Pseudo Random Number Generator using AES in counter mode |
| cpu |
Cpu information and properties helpers |
| criterion |
Robust, reliable performance measurement and analysis |
| criterion-measurement |
Criterion measurement functionality and associated types |
| crypto |
Collects together existing Haskell cryptographic functions into a package |
| crypto-api |
A generic interface for cryptographic operations |
| crypto-api-tests |
A test framework and KATs for cryptographic operations |
| crypto-cipher-tests |
Generic cryptography cipher tests |
| crypto-cipher-types |
Generic cryptography cipher types |
| cryptohash |
collection of crypto hashes, fast, pure and practical |
| cryptohash-conduit |
cryptohash conduit |
| cryptohash-cryptoapi |
Crypto-api interfaces for cryptohash |
| cryptohash-md5 |
Fast, pure and practical MD5 implementation |
| cryptohash-sha1 |
Fast, pure and practical SHA-1 implementation |
| cryptohash-sha256 |
Fast, pure and practical SHA-256 implementation |
| cryptonite |
Cryptography Primitives sink |
| cryptonite-conduit |
cryptonite conduit |
| crypto-numbers |
Cryptographic numbers: functions and algorithms |
| crypto-pubkey |
Public Key cryptography |
| crypto-pubkey-types |
Generic cryptography Public keys algorithm types |
| crypto-random |
Simple cryptographic random related types |
| crypto-random-api |
Simple random generators API for cryptography related code |
| css-text |
CSS parser and renderer |
| curl |
Haskell binding to libcurl |
|
| data-accessor |
Utilities for accessing and manipulating fields of records |
| data-binary-ieee754 |
Parser/Serialiser for IEEE-754 floating-point values |
| data-default |
A class for types with a default value |
| data-default-class |
A class for types with a default value |
| data-default-instances-base |
Default instances for types in base |
| data-default-instances-containers |
Default instances for types in containers |
| data-default-instances-dlist |
Default instances for types in dlist |
| data-default-instances-old-locale |
Default instances for types in old-locale |
| dataenc |
Data encoding library |
| data-endian |
Endian-sensitive data |
| data-hash |
Combinators for building fast hashing functions |
| data-ordlist |
Set and bag operations on ordered lists |
| date-cache |
Date cacher |
| dav |
RFC 4918 WebDAV support |
| dbus |
A client library for the D-Bus IPC system |
| dec |
Decidable propositions |
| deepseq-generics |
GHC.Generics-based Control.DeepSeq.rnf implementation |
| dense-linear-algebra |
Simple and incomplete pure haskell implementation of linear algebra |
| derive |
A program and library to derive instances for data types |
| deriving-compat |
Backports of GHC deriving extensions |
| dictionary-sharing |
Sharing/memoization of class members |
| diff |
O(ND) diff algorithm in haskell |
| digest |
Various cryptographic hashes for bytestrings; CRC32 and Adler32 for now |
| disk-free-space |
Retrieve information about disk space usage |
| distributive |
Distributive functors -- Dual to Traversable |
| djinn-ghc |
Generate Haskell code from a type. Bridge from Djinn to GHC API |
| djinn-lib |
Generate Haskell code from a type. Library extracted from djinn package |
| dlist |
Difference lists |
| dlist-instances |
Difference lists instances |
| dns |
DNS library in Haskell |
| doclayout |
A prettyprinting library for laying out text documents |
| doctemplates |
Pandoc-style document templates |
| doctest |
Test interactive Haskell examples |
| double-conversion |
Fast conversion between double precision floating point and text |
| drbg |
Deterministic random bit generator (aka PRNG) based HMACs, Hashes, and Ciphers |
|
| easy-file |
Cross-platform File handling |
| echo |
A cross-platform, cross-console way to handle echoing terminal input |
| ed25519 |
Ed25519 cryptographic signatures |
| edisonapi |
A library of efficient, purely-functional data structures (API) |
| edisoncore |
A library of efficent, purely-functional data structures (Core Implementations) |
| edit-distance |
Levenshtein and restricted Damerau-Levenshtein edit distances |
| edit-distance-vector |
Calculate edit distances and edit scripts between vectors |
| editline |
Bindings to the editline library (libedit) |
| either |
An either monad transformer |
| ekg |
Remote monitoring of processes |
| ekg-core |
Tracking of system metrics |
| ekg-json |
JSON encoding of ekg metrics |
| email-validate |
Validating an email address string against RFC 5322 |
| emojis |
Conversion between emoji characters and their names. |
| enclosed-exceptions |
Catching all exceptions from within an enclosed computation |
| encoding |
A library for various character encodings |
| entropy |
A platform independent entropy source |
| enumerator |
Reliable, high-performance processing with left-fold enumerators |
| equivalence |
Maintaining an equivalence relation implemented as union-find using STT |
| erf |
The error function, erf, and related functions |
| errorcall-eq-instance |
An orphan Eq instance for ErrorCall |
| errors |
Simplified error-handling |
| esqueleto |
Type-safe EDSL for SQL queries on persistent backends |
| exact-pi |
Exact rational multiples of pi (and integer powers of pi) |
| exceptions |
Extensible optionally-pure exceptions |
| executable-path |
Finding out the full path of the executable |
| extensible-exceptions |
Extensible exceptions |
| extra |
Extra functions I use |
|
| fail |
Forward-compatible MonadFail class |
| failure |
A simple type class for success/failure computations. (deprecated) |
| fast-logger |
A fast logging system |
| fclabels |
First class accessor labels implemented as lenses |
| fdo-notify |
Desktop Notifications client |
| feed |
Interfacing with RSS (v 0.9x, 2.x, 1.0) + Atom feeds |
| fgl |
Martin Erwig's Functional Graph Library |
| fgl-arbitrary |
QuickCheck support for fgl |
| file-embed |
Use Template Haskell to embed file contents directly |
| file-location |
common functions that show file location information |
| filelock |
Portable interface to file locking (flock / LockFileEx) |
| filemanip |
Expressive file and directory manipulation for Haskell |
| filepath-bytestring |
Library for manipulating RawFilePaths in a cross platform way |
| filestore |
Interface for versioning file stores |
| findbin |
Locate directory of original program |
| fingertree |
Generic finger-tree structure, with example instances |
| fixed |
Signed 15.16 precision fixed point arithmetic |
| fmlist |
FoldMap lists |
| foldl |
Composable, streaming, and efficient left folds |
| foundation |
Alternative prelude with batteries and no dependencies |
| free |
Monads for free |
| fsnotify |
Cross platform library for file change notification |
|
| generic-deriving |
Generic programming library for generalised deriving |
| generics-sop |
Generic Programming using True Sums of Products |
| geniplate |
Use Template Haskell to generate Uniplate-like functions |
| geniplate-mirror |
Use Template Haskell to generate Uniplate-like functions |
| genvalidity |
Testing utilities for the validity library |
| genvalidity-hspec |
Standard spec's for GenValidity instances |
| genvalidity-property |
Standard properties for functions on 'Validity' types |
| getopt-generics |
Create command line interfaces with ease |
| ghc-paths |
Knowledge of GHC's installation directories |
| ghc-syb-utils |
Scrap Your Boilerplate utilities for the GHC API |
| gio |
Binding to GIO |
| git |
Git operations in haskell |
| githash |
Compile git revision info into Haskell projects |
| git-lfs |
git-lfs protocol |
| gitrev |
Compile git revision info into Haskell projects |
| glib |
Binding to the GLIB library for Gtk2Hs |
| glob |
Globbing library |
| gluraw |
A raw binding for the OpenGL graphics system |
| glut |
A binding for the OpenGL Utility Toolkit |
| gnuidn |
Bindings for GNU IDN |
| gnutls |
Bindings for GNU libgnutls |
| graphviz |
Bindings to Graphviz for graph visualisation |
| groupoids |
This package has been absorbed into semigroupoids 4.0 |
| gsasl |
Bindings for GNU libgsasl |
| gtk |
Binding to the Gtk+ graphical user interface library |
| gtk2hs-buildtools |
Tools to build the Gtk2Hs suite of User Interface libraries |
| gtk3 |
Binding to the Gtk+ 3 graphical user interface library |
|
| hackage-security |
Hackage security library |
| haddock |
A documentation-generation tool for Haskell libraries |
| haddock-api |
A documentation-generation tool for Haskell libraries |
| haddock-library |
Library exposing some functionality of Haddock |
| hakyll |
A static website compiler library |
| half |
Half-precision floating-point |
| hamlet |
Haml-like template files that are compile-time checked (deprecated) |
| happstack-server |
Web related tools and services |
| happy |
Happy is a parser generator for Haskell |
| harp |
HaRP allows pattern-matching with regular expressions |
| hashable |
A class for types that can be converted to a hash value |
| hashable-time |
Hashable instances for Data.Time |
| hashtables |
Mutable hash tables in the ST monad |
| haskeline |
A command-line interface for user input, written in Haskell |
| haskell-lexer |
A fully compliant Haskell 98 lexer |
| haskell-platform |
The Haskell Platform |
| haskell-src |
Support for manipulating Haskell source code |
| haskell-src-exts |
Manipulating Haskell source: abstract syntax, lexer, parser, and pretty-printer |
| haskell-src-exts-util |
Helper functions for working with haskell-src-exts trees |
| haskell-src-meta |
Parse source to template-haskell abstract syntax |
| haxml |
Utilities for manipulating XML documents |
| hcg-minus |
haskell cg (minus) |
| hcodecs |
A library to read, write and manipulate MIDI, WAVE, and SoundFont2 files |
| hdbc |
Haskell Database Connectivity |
| hdbc-mysql |
MySQL driver for HDBC |
| hdbc-odbc |
ODBC driver for HDBC |
| hdbc-postgresql |
PostgreSQL driver for HDBC |
| hdbc-sqlite3 |
Sqlite v3 driver for HDBC |
| heaps |
Asymptotically optimal Brodal/Okasaki heaps |
| hedgehog |
Hedgehog will eat all your bugs |
| hex |
Convert strings into hexadecimal and back |
| hexpat |
XML parser/formatter based on expat |
| hgettext |
Bindings to libintl.h (gettext, bindtextdomain) |
| hi-file-parser |
Parser for GHC's hi files |
| highlighting-kate |
Syntax highlighting |
| hinotify |
Haskell binding to inotify |
| hit |
Git operations in haskell |
| hjsmin |
Haskell implementation of a javascript minifier |
| hlint |
Source code suggestions |
| hoauth2 |
Haskell OAuth2 authentication client |
| hostname |
A a cross-platform means of determining the hostname |
| hourglass |
simple performant time related library |
| hpack |
An alternative format for Haskell packages |
| hps |
Haskell Postscript |
| hs3 |
Interface to Amazon's Simple Storage Service (S3) |
| hsb2hs |
Preprocesses a file, adding blobs from files as string literals |
| hs-bibutils |
Haskell bindings to bibutils, the bibliography conversion utilities |
| hscolour |
Colourise Haskell code |
| hslogger |
Versatile logging framework |
| hslua |
A Lua language interpreter embedding in Haskell |
| hslua-module-system |
Lua module wrapper around Haskell's System module |
| hslua-module-text |
Lua module for text |
| hsopenssl |
Partial OpenSSL binding for Haskell |
| hspec |
A Testing Framework for Haskell |
| hspec-contrib |
Contributed functionality for Hspec |
| hspec-core |
A Testing Framework for Haskell |
| hspec-discover |
Automatically discover and run Hspec tests |
| hspec-expectations |
Catchy combinators for HUnit |
| hspec-meta |
A version of Hspec which is used to test Hspec itself |
| hspec-smallcheck |
SmallCheck support for the Hspec testing framework |
| hsql |
Database access from Haskell |
| hsql-mysql |
MySQL driver for HSQL |
| hsql-odbc |
A Haskell Interface to ODBC |
| hsql-sqlite3 |
SQLite3 driver for HSQL |
| hstringtemplate |
StringTemplate implementation in Haskell |
| hsyaml |
Pure Haskell YAML 1.2 parser |
| hsyaml-aeson |
JSON to YAML Adapter |
| htf |
The Haskell Test Framework |
| html |
HTML combinator library |
| html-conduit |
Parse HTML documents using xml-conduit datatypes |
| http |
A library for client-side HTTP |
| http2 |
HTTP/2.0 library including frames and HPACK |
| http-api-data |
Converting to/from HTTP API data like URL pieces, headers and query parameters |
| http-attoparsec |
Attoparsec parsers for http-types |
| http-client |
An HTTP client engine, intended as a base layer for more user-friendly packages |
| http-client-conduit |
Frontend support for using http-client with conduit (deprecated) |
| http-client-multipart |
Generate multipart uploads for http-client. (deprecated) |
| http-client-restricted |
restricting the servers that http-client will use |
| http-client-tls |
http-client backend using the connection package and tls library |
| http-common |
Common types for HTTP clients and servers |
| http-conduit |
HTTP client package with conduit interface and HTTPS support |
| http-date |
HTTP Date parser/formatter |
| http-download |
Verified downloads with retries |
| httpd-shed |
A simple web-server with an interact style API |
| http-reverse-proxy |
Reverse proxy HTTP requests, either over raw sockets or with WAI |
| http-streams |
An HTTP client using io-streams |
| http-types |
Generic HTTP types for Haskell (for both client and server code) |
| hunit |
A unit testing framework for Haskell |
| hxt |
A collection of tools for processing XML with Haskell |
| hxt-charproperties |
Character properties and classes for XML and Unicode |
| hxt-regex-xmlschema |
A regular expression library for W3C XML Schema regular expressions |
| hxt-unicode |
Unicode en-/decoding functions for utf8, iso-latin-* and other encodings |
|
| icalendar |
iCalendar data types, parser, and printer |
| iconv |
String encoding conversion |
| idiii |
ID3v2 (tagging standard for MP3 files) library |
| idna |
Implements IDNA (RFC 3490) |
| ieee754 |
Utilities for dealing with IEEE floating point numbers |
| ifelse |
Anaphoric and miscellaneous useful control-flow |
| infer-license |
Infer software license from a given license file |
| inspection-testing |
GHC plugin to do inspection testing |
| integer-logarithms |
Integer logarithms |
| integer-roots |
Integer roots and perfect powers |
| interpolate |
String interpolation done right |
| invariant |
Haskell 98 invariant functors |
| io-streams |
Simple, composable, and easy-to-use stream I/O |
| io-streams-haproxy |
HAProxy protocol 1.5 support for io-streams |
| iproute |
IP Routing Table |
| ipynb |
Data structure for working with Jupyter notebooks (ipynb) |
| iwlib |
Bindings for the iw C library |
|
| jira-wiki-markup |
Parse jira wiki text into an abstract syntax tree |
| js-flot |
Obtain minified flot code |
| js-jquery |
Obtain minified jQuery code |
| json |
Support for serialising Haskell to and from JSON |
| juicypixels |
Picture loading/serialization (in png, jpeg, bitmap, gif, tga, tiff and others) |
|
| kan-extensions |
Kan extensions, lifts, forms of the Yoneda lemma, and (co)density (co)monads |
| keys |
Keyed functors and containers |
|
| language-bash |
Parsing and pretty-printing Bash shell scripts |
| language-c |
Analysis and generation of C code |
| language-css |
CSS 2.1 syntax |
| language-dot |
A library for the analysis and creation of Graphviz DOT files |
| language-ecmascript |
JavaScript parser and pretty-printer library |
| language-glsl |
GLSL abstract syntax tree, parser, and pretty-printer |
| language-haskell-extract |
Module to automatically extract functions from the local code |
| language-javascript |
Parser for JavaScript |
| language-lua |
Lua parser and pretty-printer |
| language-python |
Parsing and pretty printing of Python code |
| lazysmallcheck |
A library for demand-driven testing of Haskell programs |
| lcs |
Find longest common sublist of two lists |
| leancheck |
Enumerative property-based testing |
| lens |
Lenses, Folds and Traversals |
| lens-aeson |
Law-abiding lenses for aeson |
| lens-family |
Lens Families |
| lens-family-core |
Haskell 98 Lens Families |
| lens-family-th |
Generate lens-family style lenses |
| lens-simple |
simplified import of elementary lens-family combinators |
| lhs2tex |
Preprocessor for typesetting Haskell sources with LaTeX |
| libmpd |
An MPD client library |
| libxml |
Binding to libxml2 |
| libxml-sax |
Bindings for the libXML2 SAX interface |
| libyaml |
Low-level, streaming YAML interface |
| lifted-async |
Run lifted IO operations asynchronously and wait for their results |
| lifted-base |
lifted IO operations from the base library |
| linear |
Linear Algebra |
| list |
List monad transformer and class |
| listlike |
Generic support for list-like structures |
| logging-facade |
Simple logging abstraction that allows multiple backends |
| logict |
A backtracking logic-programming monad |
| logict-state |
Library for logic programming based on haskell package logict |
| lrucache |
a simple, pure LRU cache |
| lukko |
File locking |
| lvmlib |
The Lazy Virtual Machine (LVM) |
|
| maccatcher |
Obtain the host MAC address on *NIX and Windows |
| magic |
Interface to C file/magic library |
| markdown-unlit |
Literate Haskell support for Markdown |
| math-functions |
Special functions and Chebyshev polynomials |
| megaparsec |
Monadic parser combinators |
| memory |
memory and related abstraction stuff |
| memotrie |
Trie-based memo functions |
| mersenne-random-pure64 |
Generate high quality pseudorandom numbers purely using a Mersenne Twister |
| microlens |
A tiny lens library with no dependencies |
| microlens-aeson |
Law-abiding lenses for Aeson, using microlens |
| microlens-mtl |
microlens support for Reader/Writer/State from mtl |
| microlens-th |
Automatic generation of record lenses for microlens |
| microstache |
Mustache templates for Haskell |
| mime |
Working with MIME types |
| mime-mail |
Compose MIME email messages |
| mime-types |
Basic mime-type handling types and functions |
| minisat |
A Haskell bundle of the Minisat SAT solver |
| mintty |
A reliable way to detect the presence of a MinTTY console on Windows |
| missingh |
Large utility library |
| mmap |
Memory mapped files for POSIX and Windows |
| mmorph |
Monad morphisms |
| mockery |
Support functions for automated testing |
| mod |
Fast type-safe modular arithmetic |
| monadcatchio-mtl |
Monad-transformer version of the Control.Exception module |
| monadcatchio-transformers |
Monad-transformer compatible version of the Control.Exception module |
| monad-control |
Lift control operations, like exception catching, through monad transformers |
| monad-journal |
Pure logger typeclass and monad transformer |
| monadlib |
A collection of monad transformers |
| monad-logger |
A class of monads which can log messages |
| monad-loops |
Monadic loops |
| monad-par |
A library for parallel programming based on a monad |
| monad-par-extras |
Combinators and extra features for Par monads |
| monadplus |
Haskell98 partial maps and filters over MonadPlus |
| monadrandom |
Random-number generation monad |
| monads-tf |
Monad classes, using type families |
| monad-unlift |
Typeclasses for representing monad transformer unlifting |
| mono-traversable |
Type classes for mapping, folding, and traversing monomorphic containers |
| mono-traversable-instances |
Extra typeclass instances for mono-traversable |
| mountpoints |
list mount points |
| mtl |
Monad classes, using functional dependencies |
| mtl-compat |
Backported Control.Monad.Except module from mtl |
| multipart |
HTTP multipart split out of the cgi package |
| murmur-hash |
MurmurHash2 implementation for Haskell |
| mustache |
A mustache template parser library |
| mutable-containers |
Abstactions and concrete implementations of mutable containers |
| mwc-random |
Fast, high quality pseudo random number generation |
| mysql |
A low-level MySQL client library |
| mysql-simple |
A mid-level MySQL client library |
|
| nanospec |
A lightweight implementation of a subset of Hspec's API |
| nats |
Haskell 98 natural numbers |
| neat-interpolation |
A quasiquoter for neat and simple multiline text interpolation |
| netlink |
Netlink communication for Haskell |
| network |
Low-level networking interface |
| network-bsd |
Network.BSD |
| network-byte-order |
Network byte order utilities |
| network-conduit |
Stream socket data using conduits. (deprecated) |
| network-data |
Library for network data structures and their serialization |
| network-info |
Access the local computer's basic network configuration |
| network-multicast |
Simple multicast library |
| network-protocol-xmpp |
Client library for the XMPP protocol |
| network-uri |
URI manipulation |
| newtype |
A typeclass and set of functions for working with newtypes |
| newtype-generics |
A typeclass for working with newtypes, with generics support |
| nonce |
Generate cryptographic nonces |
| numinstances |
Instances of numeric classes for functions and tuples |
| numtype-dk |
Type-level integers, using TypeNats, Data Kinds, and Closed Type Families |
|
| objectname |
Explicitly handled object names |
| old-locale |
locale library |
| old-time |
Time library |
| only |
The 1-tuple type or single-value "collection" |
| openal |
A binding to the OpenAL cross-platform 3D audio API |
| open-browser |
Open a web browser from Haskell |
| opengl |
A binding for the OpenGL graphics system |
| openglraw |
A raw binding for the OpenGL graphics system |
| openssl-streams |
OpenSSL network support for io-streams |
| options |
A powerful and easy-to-use command-line option parser |
| optparse-applicative |
Utilities and combinators for parsing command line options |
| optparse-simple |
Simple interface to optparse-applicative |
|
| pandoc-citeproc |
Supports using pandoc with citeproc |
| pandoc-types |
Types for representing a structured document |
| pango |
Binding to the Pango text rendering engine |
| pantry |
Content addressable Haskell package management |
| parallel |
Parallel programming library |
| parallel-io |
Combinators for executing IO actions in parallel on a thread pool |
| parsec |
Monadic parser combinators |
| parsec1 |
Portable monadic parser combinators |
| parsec-numbers |
Utilities for parsing numbers from strings |
| parser-combinators |
Lightweight package providing commonly useful parser combinators |
| parsers |
Parsing combinators |
| path |
Support for well-typed paths |
| path-io |
Interface to 'directory' package for users of 'path' |
| path-pieces |
Components of paths |
| patience |
Patience diff and longest increasing subsequence |
| pcap |
A system-independent interface for user-level packet capture |
| pcre-light |
Portable regex library for Perl 5 compatible regular expressions |
| pem |
Privacy Enhanced Mail (PEM) format reader and writer |
| persistent |
Type-safe, multi-backend data serialization |
| persistent-mysql |
Backend for the persistent library using MySQL database server |
| persistent-postgresql |
Backend for the persistent library using postgresql |
| persistent-qq |
Provides a quasi-quoter for raw SQL for persistent |
| persistent-sqlite |
Backend for the persistent library using sqlite3 |
| persistent-template |
Type-safe, non-relational, multi-backend persistence |
| persistent-test |
Tests for Persistent |
| pgp-wordlist |
Translate between binary data and a human-readable collection of words |
| pid1 |
Do signal handling and orphan reaping for Unix PID1 init processes |
| pipes |
Compositional pipelines |
| pointed |
Pointed and copointed data |
| polyparse |
A variety of alternative parser combinator libraries |
| postgresql-libpq |
low-level binding to libpq |
| postgresql-simple |
Mid-Level PostgreSQL client library |
| pqueue |
Reliable, persistent, fast priority queues |
| prelude-extras |
Higher order versions of Prelude classes |
| preprocessor-tools |
A framework for extending Haskell's syntax via quick-and-dirty preprocessors |
| prettyclass |
Pretty printing class similar to Show |
| pretty-hex |
A library for hex dumps of ByteStrings |
| prettyprinter |
A modern, easy to use, well-documented, extensible pretty-printer |
| prettyprinter-ansi-terminal |
ANSI terminal backend for the "prettyprinter" package |
| pretty-show |
Tools for working with derived 'Show' instances and generic inspection of values |
| primitive |
Primitive memory-related operations |
| primitive-addr |
Addresses to unmanaged memory |
| process-extras |
Process extras |
| profunctor-extras |
This package has been absorbed into profunctors 4.0 |
| profunctors |
Haskell98 profunctors package |
| project-template |
Specify Haskell project templates and generate files |
| psqueue |
Priority Search Queue |
| psqueues |
Pure priority search queues |
| publicsuffixlist |
Is a given string a domain suffix? |
| punycode |
Encode unicode strings to ascii forms according to RFC 3492 |
| puremd5 |
A Haskell-only implementation of the MD5 digest (hash) algorithm |
| pwstore-fast |
Secure password storage |
|
| quickcheck |
Automatic testing of Haskell programs |
| quickcheck-classes |
QuickCheck common typeclasses |
| quickcheck-classes-base |
QuickCheck common typeclasses from 'base' |
| quickcheck-instances |
Common quickcheck instances |
| quickcheck-io |
Use HUnit assertions as QuickCheck properties |
| quickcheck-unicode |
Generator and shrink functions for testing Unicode-related software |
|
| random |
random number library |
| ranges |
Ranges and various functions on them |
| raw-strings-qq |
Raw string literals for Haskell |
| readable |
Reading from Text and ByteString |
| readargs |
Simple command line argument parsing |
| readline |
An interface to the GNU readline library |
| rebase |
A more progressive alternative to the 'base' package |
| recaptcha |
Functions for using the reCAPTCHA service in web applications |
| reducers |
Semigroups, specialized containers and a general map/reduce framework |
| refact |
Specify refactorings to perform with apply-refact |
| reflection |
Reifies arbitrary terms into types that can be reflected back into terms |
| regex-applicative |
Regex-based parsing with applicative interface |
| regex-applicative-text |
regex-applicative on text |
| regex-base |
Replaces/Enhances Text.Regex |
| regex-compat |
Replaces/Enhances Text.Regex |
| regex-compat-tdfa |
Unicode Support version of Text.Regex, using regex-tdfa |
| regex-pcre |
Replaces/Enhances Text.Regex |
| regex-pcre-builtin |
PCRE Backend for "Text.Regex" (regex-base) |
| regex-posix |
Replaces/Enhances Text.Regex |
| regex-tdfa |
Replaces/Enhances Text.Regex |
| rerebase |
Reexports from 'base' with a bunch of other standard libraries |
| resolv |
Domain Name Service (DNS) lookup via the libresolv standard library routines |
| resource-pool |
A high-performance striped resource pooling implementation |
| resourcet |
Deterministic allocation and freeing of scarce resources |
| retry |
Retry combinators for monadic actions that may fail |
| rfc5051 |
Simple unicode collation as per RFC5051 |
| riff |
RIFF parser for Haskell |
| rio |
A standard library for Haskell |
| rio-orphans |
Orphan instances for the RIO type in the rio package |
| rio-prettyprint |
Pretty-printing for RIO |
| rsa |
Implementation of RSA, using the padding schemes of PKCS#1 v2.1 |
|
| safe |
Library of safe (exception free) functions |
| safe-exceptions |
Safe, consistent, and easy exception handling |
| safesemaphore |
Much safer replacement for QSemN, QSem, and SampleVar |
| sandi |
Data encoding library |
| say |
Initial project template from stack |
| scientific |
Numbers represented using scientific notation |
| securemem |
abstraction to an auto scrubbing and const time eq, memory chunk |
| selective |
Selective applicative functors |
| semigroupoid-extras |
Semigroupoids that depend on PolyKinds |
| semigroupoids |
Semigroupoids: Category sans id |
| semigroups |
Anything that associates |
| semirings |
two monoids as one, in holy haskimony |
| sendfile |
A portable sendfile library |
| setenv |
A cross-platform library for setting environment variables |
| setlocale |
Haskell bindings to setlocale |
| sha |
Implementations of the SHA suite of message digest functions |
| shakespeare |
A toolkit for making compile-time interpolated templates |
| shakespeare-css |
Stick your haskell variables into css at compile time. (deprecated) |
| shakespeare-i18n |
A type-based approach to internationalization. (deprecated) |
| shakespeare-js |
Stick your haskell variables into javascript/coffeescript at compile time |
| shakespeare-text |
Interpolation with quasi-quotation: put variables strings (deprecated) |
| shell-escape |
Shell escaping library |
| shelly |
shell-like (systems) programming in Haskell |
| shuffle |
Shuffle tool for UHC |
| silently |
Prevent or capture writing to stdout and other handles |
| simple-reflect |
Simple reflection of expressions containing variables |
| simple-sendfile |
Cross platform library for the sendfile system call |
| singleton-bool |
Type level booleans |
| size-based |
Sized functors, for size-based enumerations |
| skein |
Skein, a family of cryptographic hash functions. Includes Skein-MAC as well |
| skylighting |
syntax highlighting library |
| skylighting-core |
syntax highlighting library |
| smallcheck |
A property-based testing library |
| snap-core |
Snap: A Haskell Web Framework (core interfaces and types) |
| snap-server |
A web server for the Snap Framework |
| socks |
Socks proxy (version 5) implementation |
| sop-core |
True Sums of Products |
| split |
Combinator library for splitting lists |
| splitmix |
Fast Splittable PRNG |
| stack |
The Haskell Tool Stack |
| stack-bin |
The Haskell Tool Stack (Binary) |
| statevar |
State variables |
| statistics |
A library of statistical types, data, and functions |
| stm |
Software Transactional Memory |
| stm-chans |
Additional types of channels for STM |
| stmonadtrans |
A monad transformer version of the ST monad |
| store |
Fast binary serialization |
| store-core |
Fast and lightweight binary serialization |
| stream |
A library for manipulating infinite lists |
| streaming-commons |
Common lower-level functions needed by various streaming data libraries |
| strict |
Strict data types and String IO |
| stringable |
A Stringable type class, in the spirit of Foldable and Traversable |
| stringbuilder |
A writer monad for multi-line string literals |
| stringprep |
Implements the StringPrep algorithm |
| string-qq |
QuasiQuoter for non-interpolated strings, texts and bytestrings |
| stringsearch |
Fast searching, splitting and replacing of ByteStrings |
| syb |
Scrap Your Boilerplate |
| syb-with-class |
Scrap Your Boilerplate With Class |
| system-fileio |
Consistent filesystem interaction across GHC versions (deprecated) |
| system-filepath |
High-level, byte-based file and directory path manipulations (deprecated) |
| system-posix-redirect |
A toy module to temporarily redirect a program's stdout |
|
| tagged |
Haskell 98 phantom types to avoid unsafely passing dummy arguments |
| tagshare |
TagShare - explicit sharing with tags |
| tagsoup |
Parsing and extracting information from (possibly malformed) HTML/XML documents |
| tagstream-conduit |
streamlined html tag parser |
| tar |
Reading, writing and manipulating tar files |
| tar-conduit |
Extract and create tar files using conduit for streaming |
| tasty |
Modern and extensible testing framework |
| tasty-ant-xml |
Render tasty output to XML for Jenkins |
| tasty-expected-failure |
Mark tasty tests as failure expected |
| tasty-golden |
Golden tests support for tasty |
| tasty-hedgehog |
Integration for tasty and hedgehog |
| tasty-hunit |
HUnit support for the Tasty test framework |
| tasty-kat |
Known Answer Tests (KAT) framework for tasty |
| tasty-lua |
Write tests in Lua, integrate into tasty |
| tasty-quickcheck |
QuickCheck support for the Tasty test framework |
| tasty-rerun |
Run tests by filtering the tests depending on the result of previous runs |
| tasty-smallcheck |
SmallCheck support for the Tasty test framework |
| tasty-th |
Automatic tasty test case discovery using TH |
| template-haskell-compat-v0208 |
A backwards compatibility layer for Template Haskell newer than 2.8 |
| temporary |
Portable temporary file and directory support for Windows and Unix |
| temporary-rc |
Portable temporary file and directory support for Windows and Unix |
| tensor |
Tensor data types |
| terminal-size |
Get terminal window height and width |
| terminfo |
Haskell bindings to the terminfo library |
| test-framework |
Framework for running and organising tests, with HUnit and QuickCheck support |
| test-framework-hunit |
HUnit support for the test-framework package |
| test-framework-leancheck |
LeanCheck support for test-framework |
| test-framework-quickcheck2 |
QuickCheck2 support for the test-framework package |
| test-framework-th |
Automagically generate the HUnit and Quickcheck code using Template Haskell |
| test-framework-th-prime |
Template Haskell for test framework |
| testing-feat |
Functional Enumeration of Algebraic Types |
| testing-type-modifiers |
Data type modifiers for property based testing |
| texmath |
Conversion between formats used to represent mathematics |
| text |
An efficient packed Unicode text type |
| text-binary |
Binary instances for text types |
| text-conversions |
Safe conversions between textual types |
| text-icu |
Bindings to the ICU library |
| text-metrics |
Calculate various string metrics efficiently |
| text-short |
Memory-efficient representation of Unicode text strings |
| text-show |
Efficient conversion of values into Text |
| text-stream-decode |
Streaming decoding functions for UTF encodings. (deprecated) |
| tf-random |
High-quality splittable pseudorandom number generator |
| th-abstraction |
Nicer interface for reified information about data types |
| th-expand-syns |
Expands type synonyms in Template Haskell ASTs |
| th-lift |
Derive Template Haskell's Lift class for datatypes |
| th-lift-instances |
Lift instances for template-haskell for common data types |
| th-orphans |
Orphan instances for TH datatypes |
| threads |
Fork threads and wait for their result |
| th-reify-many |
Recurseively reify template haskell datatype info |
| th-utilities |
Collection of useful functions for use with Template Haskell |
| thyme |
A faster time library |
| time-compat |
This packages tries to compat as much of \'time\' features as possible |
| time-locale-compat |
Compatibility of TimeLocale between old-locale and time-1.5 |
| time-manager |
Scalable timer |
| timezone-olson |
A pure Haskell parser and renderer for binary Olson timezone files |
| timezone-series |
Enhanced timezone handling for Data.Time |
| tls |
TLS/SSL protocol native implementation (Server and Client) |
| tls-session-manager |
In-memory TLS session manager |
| top |
Constraint solving framework employed by the Helium Compiler |
| torrent |
BitTorrent file parser and generater |
| transformers |
Concrete functor and monad transformers |
| transformers-base |
Lift computations from the bottom of a transformer stack |
| transformers-compat |
A small compatibility shim for dev-haskell/transformers |
| tree-diff |
Diffing of (expression) trees |
| trifecta |
A modern parser combinator library with convenient diagnostics |
| typed-process |
Run external processes, with strong typing of streams |
| type-equality |
Type equality, coercion/cast and other operations |
|
| uhc-light |
Part of UHC packaged as cabal/hackage installable library |
| uhc-util |
UHC utilities |
| unbounded-delays |
Unbounded thread delays and timeouts |
| unexceptionalio |
IO without any non-error, synchronous exceptions |
| unicode-transforms |
Unicode normalization |
| uniplate |
Help writing simple, concise and fast generic operations |
| uniqueid |
Splittable Unique Identifier Supply |
| unix-compat |
Portable POSIX-compatibility layer |
| unix-time |
Unix time parser/formatter and utilities |
| unixutils |
A crude interface between Haskell and Unix-like operating systems |
| unliftio |
The MonadUnliftIO typeclass for unlifting monads to IO (batteries included) |
| unliftio-core |
The MonadUnliftIO typeclass for unlifting monads to IO |
| unordered-containers |
Efficient hashing-based container types |
| uri |
Library for working with URIs |
| uri-bytestring |
Haskell URI parsing as ByteStrings |
| uri-bytestring-aeson |
Aeson instances for URI Bytestring |
| url |
A library for working with URLs |
| utf8-light |
Lightweight UTF8 handling |
| utf8-string |
Support for reading and writing UTF8 Strings |
| uuagc |
Attribute Grammar System of Universiteit Utrecht |
| uuagc-cabal |
Cabal plugin for the Universiteit Utrecht Attribute Grammar System |
| uuid |
For creating, comparing, parsing and printing Universally Unique Identifiers |
| uuid-types |
Type definitions for Universally Unique Identifiers |
| uulib |
Haskell Utrecht Tools Library |
|
| validity |
Validity typeclass |
| vault |
a persistent store for values of arbitrary types |
| vector |
Efficient Arrays |
| vector-algorithms |
Efficient algorithms for vector arrays |
| vector-binary-instances |
Instances of Data.Binary and Data.Serialize for vector |
| vector-builder |
Vector builder |
| vector-instances |
Orphan Instances for 'Data.Vector' |
| vector-space |
Vector & affine spaces, linear maps, and derivatives |
| vector-th-unbox |
Deriver for Data.Vector.Unboxed using Template Haskell |
| void |
A Haskell 98 logically uninhabited data type |
|
| wai |
Web Application Interface |
| wai-app-static |
WAI application for static serving |
| wai-conduit |
conduit wrappers for WAI |
| wai-extra |
Provides some basic WAI handlers and middleware |
| wai-logger |
A logging system for WAI |
| wai-test |
Unit test framework (built on HUnit) for WAI applications. (deprecated) |
| warp |
A fast, light-weight web server for WAI applications |
| warp-tls |
HTTP over TLS support for Warp via the TLS package |
| wavy |
Process WAVE files in Haskell |
| wcwidth |
Native wcwidth |
| weigh |
Measure allocations of a Haskell functions/values |
| with-location |
Use ImplicitParams-based source locations in a backward compatible way |
| wl-pprint |
The Wadler/Leijen Pretty Printer |
| wl-pprint-annotated |
Wadler/Leijen pretty printer with annotations and slightly modernized API |
| wl-pprint-text |
A Wadler/Leijen Pretty Printer for Text values |
| word8 |
Word8 library |
| wreq |
An easy-to-use HTTP client library |
| wx |
Portable and native GUI library built on wxWidgets |
| wxc |
wxHaskell C++ wrapper |
| wxcore |
wxHaskell core |
| wxdirect |
helper tool for building wxHaskell |
|
| x11 |
A binding to the X11 graphics library |
| x11-xft |
Bindings to the Xft, X Free Type interface library, and some Xrender parts |
| x509 |
X509 reader and writer |
| x509-store |
X.509 collection accessing and storing methods |
| x509-system |
Handle per-operating-system X.509 accessors and storage |
| x509-validation |
X.509 Certificate and CRL validation |
| xhtml |
An XHTML combinator library |
| xml |
A simple XML library |
| xml-conduit |
Pure-Haskell utilities for dealing with XML with the conduit package |
| xmlgen |
Fast XML generation library |
| xml-hamlet |
Hamlet-style quasiquoter for XML content |
| xml-types |
Basic types for representing XML |
| xss-sanitize |
sanitize untrusted HTML to prevent XSS attacks |
|
| yaml |
Support for parsing and rendering YAML documents |
| yesod |
Creation of type-safe, RESTful web applications |
| yesod-auth |
Authentication for Yesod |
| yesod-auth-hashdb |
Authentication plugin for Yesod |
| yesod-core |
Creation of type-safe, RESTful web applications |
| yesod-default |
Default config and main functions for your yesod application (deprecated) |
| yesod-form |
Form handling support for Yesod Web Framework |
| yesod-json |
Generate content for Yesod using the aeson package. (deprecated) |
| yesod-persistent |
Some helpers for using Persistent from Yesod |
| yesod-static |
Static file serving subsite for Yesod Web Framework |
| yesod-test |
integration testing for WAI/Yesod Applications |
|
| zip-archive |
Library for creating and modifying zip archives |
| zlib |
Compression and decompression in the gzip and zlib formats |
| zlib-bindings |
Low-level bindings to the zlib package. (deprecated) |
| zlib-conduit |
Streaming compression/decompression via conduits. (deprecated) |
| zlib-enum |
Enumerator interface for zlib compression |
Packages