| packages/nixpkgs/haskellPackages.union | Extensible type-safe unions |
| packages/nixpkgs/haskellPackages.rib-core | Static site generator based on Shake |
| packages/nixpkgs/haskellPackages.nero-wai | WAI adapter for Nero server applications |
| packages/nixpkgs/haskellPackages.mtree | Tree with Meta and Content parameters |
| packages/nixpkgs/haskellPackages.ramus | Elm signal system for Haskell |
| packages/nixpkgs/haskellPackages.mohws | Modular Haskell Web Server |
| packages/nixpkgs/haskellPackages.rrule | Recurrence rule parser and formatter |
| packages/nixpkgs/haskellPackages.text-loc | Line-column locations within a text |
| packages/nixpkgs/haskellPackages.skulk | Eclectic collection of utility functions |
| packages/nixpkgs/haskellPackages.textPlot | Plot functions in text |
| packages/nixpkgs/haskellPackages.tidal | Pattern language for improvised music |
| packages/nixpkgs/haskellPackages.prim-ref | Primitive byte array with type variable |
| packages/nixpkgs/haskellPackages.snake | A basic console snake game |
| packages/nixpkgs/haskellPackages.tasty | Modern and extensible testing framework |
| packages/nixpkgs/haskellPackages.mmark | Strict markdown processor for writers |
| packages/nixpkgs/haskellPackages.uulib | Haskell Utrecht Tools Library |
| packages/nixpkgs/haskellPackages.xdot | Parse Graphviz xdot files and interactively view them using GTK and Cairo |
| packages/nixpkgs/haskellPackages.plots | Diagrams based plotting library |
| packages/nixpkgs/haskellPackages.solve | Solving simple games |
| packages/nixpkgs/haskellPackages.tmp-proc | Run 'tmp' processes in integration tests |
| packages/nixpkgs/haskellPackages.sized | Sized sequence data-types |
| packages/nixpkgs/haskellPackages.wordn | arbitrary bit size Words |
| packages/nixpkgs/haskellPackages.slate | A note taking CLI tool |
| packages/nixpkgs/haskellPackages.sexpr | S-expression printer and parser |
| packages/nixpkgs/haskellPackages.uuagd | A debugger for the UUAG system |
| packages/nixpkgs/haskellPackages.wybor | Console line fuzzy search |
| packages/nixpkgs/haskellPackages.roku-api | Bindings to Roku's External Control API |
| packages/nixpkgs/haskellPackages.reord | Ad-hoc Ord instances |
| packages/nixpkgs/haskellPackages.tries | Various trie implementations in Haskell |
| packages/nixpkgs/haskellPackages.twirl | Simple 2D Game Engine |
| packages/nixpkgs/haskellPackages.memdb | Efficient in memory indexed database |
| packages/nixpkgs/haskellPackages.which | Determine the full path to an executable |
| packages/nixpkgs/haskellPackages.pinch | An alternative implementation of Thrift for Haskell |
| packages/nixpkgs/haskellPackages.wryte | Pretty output for source generators |
| packages/nixpkgs/haskellPackages.noise | A friendly language for graphic design |
| packages/nixpkgs/haskellPackages.ochan | Owned channels in the Ownership Monad |
| packages/nixpkgs/haskellPackages.trurl | Haskell template code generator |
| packages/nixpkgs/haskellPackages.xml-pipe | XML parser which uses simple-pipe |
| packages/nixpkgs/haskellPackages.turni | shifts scheduling tool |
| packages/nixpkgs/haskellPackages.yavie | yet another visual editor |
| packages/nixpkgs/haskellPackages.yhseq | Calculation of YH sequence system |
| packages/nixpkgs/haskellPackages.react | Create React components in Haskell |
| packages/nixpkgs/haskellPackages.rfc-psql | The PostgreSQL extensions from the Robert Fischer Commons |
| packages/nixpkgs/haskellPackages.weave | Compositional breadth-first walks |
| packages/nixpkgs/haskellPackages.mello | No-fuss syntax with s-expressions |
| packages/nixpkgs/haskellPackages.zmcat | Command-line tool for ZeroMQ |
| packages/nixpkgs/haskellPackages.robot | Simulate keyboard and mouse events |
| packages/nixpkgs/haskellPackages.snack | Strict ByteString Parser Combinator |
| packages/nixpkgs/haskellPackages.spawn | Tiny library for concurrent computations |
| packages/nixpkgs/haskellPackages.rot13 | Fast ROT13 cipher for Haskell |
| packages/nixpkgs/haskellPackages.type-fun | Collection of widely reimplemented type families |
| packages/nixpkgs/haskellPackages.roles | Composable class-based roles |
| packages/nixpkgs/haskellPackages.rdtsc | Binding for the rdtsc machine instruction |
| packages/nixpkgs/haskellPackages.wires | Functional reactive programming library |
| packages/nixpkgs/haskellPackages.split | Combinator library for splitting lists |
| packages/nixpkgs/haskellPackages.type-rig | Classes for the rig (sums and products) of types |
| packages/nixpkgs/haskellPackages.robin | A build daemon for Haskell development |
| packages/nixpkgs/haskellPackages.polar | Complex numbers in polar form |
| packages/nixpkgs/haskellPackages.sarsi | A universal quickfix toolkit and his protocol |
| packages/nixpkgs/haskellPackages.okapi | A microframework based on monadic parsing |
| packages/nixpkgs/haskellPackages.pcgen | A fast, pseudorandom number generator |
| packages/nixpkgs/haskellPackages.resin | High performance variable binders |
| packages/nixpkgs/haskellPackages.stc-lang | A library for implicit, monadic dataflow parallelism |
| packages/nixpkgs/haskellPackages.semi-iso | Weakened partial isomorphisms, reversible computations |
| packages/nixpkgs/haskellPackages.todos | Easy-to-use TODOs manager |
| packages/nixpkgs/haskellPackages.stack | The Haskell Tool Stack |
| packages/nixpkgs/haskellPackages.seqid | Sequence ID production and consumption |
| packages/nixpkgs/haskellPackages.nri-http | Make Elm style HTTP requests |
| packages/nixpkgs/haskellPackages.nyx-game | A bullet-hell game made with SDL2 |
| packages/nixpkgs/haskellPackages.usb-safe | Type-safe communication with USB devices |
| packages/nixpkgs/haskellPackages.monadIO | Overloading of concurrency variables |
| packages/nixpkgs/haskellPackages.salak | Configuration (re)Loader and Parser |
| packages/nixpkgs/haskellPackages.silvi | A generator for different kinds of data |
| packages/nixpkgs/haskellPackages.tsweb | An API binding Web |
| packages/nixpkgs/haskellPackages.pkcs7 | PKCS #7 padding in Haskell |
| packages/nixpkgs/haskellPackages.time-out | Timers, timeouts, alarms, monadic wrappers |
| packages/nixpkgs/haskellPackages.vary | Vary: Friendly and fast polymorphic variants (open unions/coproducts/extensible sums) |
| packages/nixpkgs/haskellPackages.org-mode | Parser for Emacs org-mode files |
| packages/nixpkgs/haskellPackages.rdioh | A Haskell wrapper for Rdio's API |
| packages/nixpkgs/haskellPackages.monzo | Haskell bindings for the Monzo API |
| packages/nixpkgs/haskellPackages.rosso | General purpose utility library |
| packages/nixpkgs/haskellPackages.xml-lens | Lenses, traversals, and prisms for xml-conduit |
| packages/nixpkgs/haskellPackages.rowdy | An EDSL for web application routes |
| packages/nixpkgs/haskellPackages.rsagl | The RogueStar Animation and Graphics Library |
| packages/nixpkgs/haskellPackages.text1 | Non-empty values of `Data |
| packages/nixpkgs/haskellPackages.trasa | Type Safe Web Routing |
| packages/nixpkgs/haskellPackages.swish | A semantic web toolkit |
| packages/nixpkgs/haskellPackages.rando | Easy-to-use randomness for livecoding |
| packages/nixpkgs/haskellPackages.tiger | Tiger Compiler of Universiteit Utrecht |
| packages/nixpkgs/haskellPackages.socks | Socks proxy (ver 5) |
| packages/nixpkgs/haskellPackages.serv-wai | Dependently typed API servers with Serv |
| packages/nixpkgs/haskellPackages.pkcs1 | RSA encryption with PKCS1 padding |
| packages/nixpkgs/haskellPackages.rest-gen | Documentation and client generation from rest definition |
| packages/nixpkgs/haskellPackages.mondo | Haskell bindings for the Mondo API |
| packages/nixpkgs/haskellPackages.solga | Simple typesafe web routing |
| packages/nixpkgs/haskellPackages.pcf-font | PCF font parsing and rendering library |
| packages/nixpkgs/haskellPackages.pugs-DrIFT | DrIFT with pugs-specific rules |
| packages/nixpkgs/haskellPackages.merge | A functor for consistent merging of information |
| packages/nixpkgs/haskellPackages.moffy | Monadic Functional Reactive Programming |
| packages/nixpkgs/haskellPackages.solar | Simple library for solar calculations |