Packages
Packages
The dev-haskell category contains libraries and utilities relevant to the Haskell programming language.
| 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-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 |
| 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-data | ASN1 data reader and writer in RAW, BER and DER forms |
| 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 |
| authenticate | Authentication methods for Haskell web applications |
| auto-update | Efficiently run periodic, on-demand actions |
| aws | Amazon Web Services (AWS) for Haskell |
| base-compat | A compatibility layer for base |
| 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 |
| base16-bytestring | Fast base16 (hex) encoding and decoding for ByteStrings |
| base64-bytestring | Fast base64 encoding and decoding for ByteStrings |
| basement | Foundation scrap box of array & string |
| basic-prelude | An enhanced core prelude; a common foundation for alternate preludes |
| bencode | Parser and printer for bencoded data |
| bifunctors | Haskell 98 bifunctors, bifoldables and bitraversables |
| binary | Binary serialisation for Haskell values using lazy ByteStrings |
| binary-orphans | Orphan instances for binary |
| binary-tagged | Tagged binary serialisation |
| bio | A bioinformatics library |
| 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-builder-enumerator | Enumeratees for the incremental conversion of builders to bytestrings |
| blaze-html | A blazingly fast HTML combinator library for Haskell |
| blaze-markup | A blazingly fast markup combinator library for Haskell |
| bloomfilter | Pure and impure Bloom Filter implementations |
| boolean | Generalized booleans and numbers |
| boxes | 2D text pretty-printing library |
| 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-helper | Simple interface to some of Cabal's configuration state used by ghc-mod |
| cabal-install | The command-line interface for Cabal and Hackage |
| cairo | Binding to the Cairo library |
| 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 |
| certificate | Certificates and Key Reader/Writer |
| cgi | A library for writing CGI programs |
| 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 |
| chell-quickcheck | QuickCheck support for the Chell testing library |
| chunked-data | Typeclasses for dealing with various chunked data representations |
| cipher-aes | Fast AES cipher implementation with advanced mode of operations |
| cipher-blowfish | Blowfish cipher |
| cipher-camellia | Camellia block cipher primitives |
| cipher-des | DES and 3DES primitives |
| cipher-rc4 | Fast RC4 cipher implementation |
| citeproc-hs | A Citation Style Language implementation in Haskell |
| 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 |
| cmdargs | Command line argument processing |
| cmdlib | a library for command line parsing & online help |
| code-page | Windows code page library for Haskell |
| colour | A model for human colour/color perception |
| comonad | Haskell 98 compatible comonads |
| comonad-transformers | This package has been merged into comonad 4.0 |
| comonads-fd | 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-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 |
| 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 |
| 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 |
| crypto-conduit | Conduit interface for cryptographic operations (from crypto-api) |
| 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 |
| cryptocipher | Symmetrical block and stream ciphers |
| cryptohash | collection of crypto hashes, fast, pure and practical |
| cryptohash-conduit | cryptohash conduit |
| cryptohash-cryptoapi | Crypto-api interfaces for cryptohash |
| cryptohash-sha256 | Fast, pure and practical SHA-256 implementation |
| cryptonite | Cryptography Primitives sink |
| 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 |
| data-endian | Endian-sensitive data |
| data-hash | Combinators for building fast hashing functions |
| data-ordlist | Set and bag operations on ordered lists |
| dataenc | Data encoding library |
| date-cache | Date cacher |
| dav | RFC 4918 WebDAV support |
| dbus | A client library for the D-Bus IPC system |
| dbus-core | Low-level D-Bus protocol implementation |
| deepseq-generics | GHC.Generics-based Control.DeepSeq.rnf implementation |
| derive | A program and library to derive instances for data types |
| deriving-compat | Backports of GHC deriving extensions |
| 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 |
| doctemplates | Pandoc-style document templates |
| doctest | Test interactive Haskell examples |
| drift | Program to derive type class instances |
| easy-file | Cross-platform File handling |
| 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 |
| 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 |
| 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 |
| 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 |
| 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 |
| frown | LALR(k) parser generator |
| 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 |
| 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 |
| gitrev | Compile git revision info into Haskell projects |
| glade | Binding to the glade library |
| 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 |
| 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 |
| hashed-storage | Hashed file storage support code |
| 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-meta | Parse source to template-haskell abstract syntax |
| hastache | Haskell implementation of Mustache templates |
| 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 |
| hex | Convert strings into hexadecimal and back |
| hexpat | XML parser/formatter based on expat |
| hgettext | Bindings to libintl.h (gettext, bindtextdomain) |
| 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 |
| hs-bibutils | Haskell bindings to bibutils, the bibliography conversion utilities |
| hs3 | Interface to Amazon's Simple Storage Service (S3) |
| hsb2hs | Preprocesses a file, adding blobs from files as string literals |
| hscolour | Colourise Haskell code |
| hslogger | Versatile logging framework |
| hslua | A Lua language interpreter embedding in Haskell |
| hsopenssl | Partial OpenSSL binding for Haskell |
| hspec | A Testing Framework for Haskell |
| 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 |
| 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 |
| 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 |
| http-client-conduit | Frontend support for using http-client with conduit (deprecated) |
| http-client-multipart | Generate multipart uploads for http-client. (deprecated) |
| 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-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) |
| http2 | HTTP/2.0 library including frames and HPACK |
| httpd-shed | A simple web-server with an interact style API |
| 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 |
| interpolate | String interpolation done right |
| 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 |
| 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 |
| lens | Lenses, Folds and Traversals |
| 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 |
| 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 |
| 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 |
| 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 |
| missingh | Large utility library |
| mmap | Memory mapped files for POSIX and Windows |
| mmorph | Monad morphisms |
| mockery | Support functions for automated testing |
| monad-control | Lift control operations, like exception catching, through monad transformers |
| monad-journal | Pure logger typeclass and monad transformer |
| 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 |
| monad-unlift | Typeclasses for representing monad transformer unlifting |
| monadcatchio-mtl | Monad-transformer version of the Control.Exception module |
| monadcatchio-transformers | Monad-transformer compatible version of the Control.Exception module |
| monadplus | Haskell98 partial maps and filters over MonadPlus |
| monadrandom | Random-number generation monad |
| monads-tf | Monad classes, using type families |
| 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 |
| mutable-containers | Abstactions and concrete implementations of mutable containers |
| mwc-random | Fast, high quality pseudo random number generation |
| nanospec | A lightweight implementation of a subset of Hspec's API |
| nats | Natural numbers |
| neat-interpolation | A quasiquoter for neat and simple multiline text interpolation |
| network | Low-level networking interface |
| network-bytestring | Fast, memory-efficient, low-level networking |
| 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 |
| nonce | Generate cryptographic nonces |
| numinstances | Instances of numeric classes for functions and tuples |
| objectname | Explicitly handled object names |
| old-locale | locale library |
| old-time | Time library |
| open-browser | Open a web browser from Haskell |
| openal | A binding to the OpenAL cross-platform 3D audio API |
| 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 |
| parallel | Parallel programming library |
| parallel-io | Combinators for executing IO actions in parallel on a thread pool |
| parsec | Monadic parser combinators |
| parser-combinators | Lightweight package providing commonly useful parser 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-sqlite | Backend for the persistent library using sqlite3 |
| persistent-template | Type-safe, non-relational, multi-backend persistence |
| 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 |
| 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 |
| pretty-hex | A library for hex dumps of ByteStrings |
| pretty-show | Tools for working with derived 'Show' instances and generic inspection of values |
| prettyclass | Pretty printing class similar to Show |
| prettyprinter | A modern, easy to use, well-documented, extensible prettyprinter |
| primitive | Primitive memory-related operations |
| process-conduit | Conduits for processes (deprecated) |
| process-extras | Process extras |
| profunctor-extras | This package has been absorbed into profunctors 4.0 |
| profunctors | Haskell 98 Profunctors |
| 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-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 |
| 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 | Replaces/Enhances Text.Regex |
| regex-posix | Replaces/Enhances Text.Regex |
| regex-tdfa | Replaces/Enhances Text.Regex |
| regex-tdfa-rc | Replaces/Enhances Text.Regex (fork by Roman Cheplyaka) |
| 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 |
| 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 |
| semigroupoid-extras | Semigroupoids that depend on PolyKinds |
| semigroupoids | Semigroupoids: Category sans id |
| semigroups | Anything that associates |
| 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 |
| shellish | shell-/perl- like (systems) programming in Haskell |
| 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 |
| skein | Skein, a family of cryptographic hash functions. Includes Skein-MAC as well |
| skylighting | 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 |
| split | Combinator library for splitting lists |
| 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 |
| string-qq | QuasiQuoter for non-interpolated strings, texts and bytestrings |
| 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 |
| 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 |
| tasty | Modern and extensible testing framework |
| tasty-ant-xml | Render tasty output to XML for Jenkins |
| tasty-golden | Golden tests support for tasty |
| tasty-hunit | HUnit support for the Tasty test framework |
| tasty-kat | Known Answer Tests (KAT) framework for 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 |
| 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-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 |
| testpack | Test Utililty Pack for HUnit and QuickCheck (unmaintained) |
| texmath | Conversion between formats used to represent mathematics |
| text | An efficient packed Unicode text type |
| text-binary | Binary instances for text types |
| text-icu | Bindings to the ICU library |
| text-metrics | Calculate various string metrics efficiently |
| 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-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 |
| th-reify-many | Recurseively reify template haskell datatype info |
| th-utilities | Collection of useful functions for use with Template Haskell |
| threads | Fork threads and wait for their result |
| thyme | A faster time library |
| time-compat | Compatibility with old-time for the time package |
| time-locale-compat | Compatibility of TimeLocale between old-locale and time-1.5 |
| 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) |
| 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 |
| 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 |
| unordered-containers | Efficient hashing-based container types |
| uri | Library for working with URIs |
| uri-bytestring | Haskell URI parsing as ByteStrings |
| 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 |
| 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-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 |
| 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-text | A Wadler/Leijen Pretty Printer for Text values |
| word8 | Word8 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 |
| xml-hamlet | Hamlet-style quasiquoter for XML content |
| xml-types | Basic types for representing XML |
| xmlgen | Fast XML generation library |
| 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-platform | Meta package for Yesod (deprecated) |
| yesod-routes | Efficient routing for 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 |