| haskellPackages.debruijn | de Bruijn indices and levels |
| haskellPackages.edit-lenses-demo | Programs demoing the use of symmetric, stateful edit lenses |
| haskellPackages.distance | Useful distance datatype and functions |
| haskellPackages.haskell-to-elm | Generate Elm types and JSON encoders and decoders from Haskell types |
| haskellPackages.find-conduit | A file-finding conduit that allows user control over traversals |
| haskellPackages.hspecVariant | Spec for testing properties |
| haskellPackages.covenant | Standalone IR for Cardano scripts |
| haskellPackages.leb128-cereal | LEB128 and SLEB128 encoding |
| haskellPackages.luautils | Helpers for Haskell integration with Lua |
| haskellPackages.leksah-server | Metadata collection for leksah |
| haskellPackages.hsgnutls | Library wrapping the GnuTLS API |
| haskellPackages.interact | instantly create REPL from any function |
| haskellPackages.hPushover | Pushover.net API functions |
| haskellPackages.knit-haskell | a minimal Rmarkdown sort-of-thing for haskell, by way of Pandoc |
| haskellPackages.iterable | API for hierarchical multilevel collections |
| haskellPackages.html-conduit | Parse HTML documents using xml-conduit datatypes |
| haskellPackages.finitary | A better, more type-safe Enum |
| haskellPackages.classify | Library for classification of media files |
| haskellPackages.haskell-mpfr | Correctly-rounded arbitrary-precision floating-point arithmetic |
| haskellPackages.dovetail | A PureScript interpreter with a Haskell FFI |
| haskellPackages.campfire | Haskell implementation of the Campfire API |
| haskellPackages.her-lexer-parsec | Parsec frontend to "her-lexer" for Haskell source code |
| haskellPackages.domain-cereal | Integration of domain with cereal |
| haskellPackages.Saturnin | Saturnin CI / Job System |
| haskellPackages.horizon-gen-nix | Generate nix expressions from horizon-spec definitions |
| haskellPackages.matrix-client | A matrix client library |
| haskellPackages.mathflow | Dependently typed tensorflow modeler |
| haskellPackages.hastache | Haskell implementation of Mustache templates |
| haskellPackages.encoding | A library for various character encodings |
| haskellPackages.crypto-pubkey | Public Key cryptography |
| haskellPackages.higgledy | Partial types as a type constructor |
| haskellPackages.TableAlgebra | Ferry Table Algebra |
| haskellPackages.github-app-token | Generate an installation access token for a GitHub App |
| haskellPackages.bitmap-opengl | OpenGL support for Data.Bitmap. |
| haskellPackages.makefile | Simple Makefile parser and generator |
| haskellPackages.dotparse | dot language parsing and printing |
| haskellPackages.hanabi-dealer | Hanabi card game |
| haskellPackages.hoodle-render | Hoodle file renderer |
| haskellPackages.iothread | run IOs in a single thread |
| haskellPackages.io-streams-http | http-client for io-streams |
| haskellPackages.binary-tagged | Tagged binary serialisation |
| haskellPackages.gtkglext | Binding to the GTK+ OpenGL Extension |
| haskellPackages.bludigon | Configurable blue light filter |
| haskellPackages.exomizer | Compression and decompression in the exomizer format |
| haskellPackages.graphviz | Bindings to Graphviz for graph visualisation |
| haskellPackages.brittany | Haskell source code formatter |
| haskellPackages.functors | (.:) and friends, syntax for Functor and Applicative. |
| haskellPackages.hsakamai | Akamai API(Edgegrid and Netstorage) |
| haskellPackages.locators | Human exchangable identifiers and locators |
| haskellPackages.hoodle-parser | Hoodle file parser |
| haskellPackages.Wordlint | Plaintext prose redundancy linter |
| haskellPackages.addLicenseInfo | Adds license info to the top of a file |
| haskellPackages.libgraph | Store and manipulate data in a graph |
| haskellPackages.float128 | FFI bindings for C _Float128 |
| haskellPackages.columbia | Enhanced serialization using seeking |
| haskellPackages.lrucache | a simple, pure LRU cache |
| haskellPackages.Spock-api-server | Another Haskell web framework for rapid development |
| haskellPackages.dualizer | Automatically generate dual constructions |
| haskellPackages.either-result | The simplest ‘MonadFail’ instance |
| haskellPackages.diff-gestalt | A diff algorithm based on recursive longest common substrings |
| haskellPackages.enummaps | Enum wrappers for IntMap and IntSet |
| haskellPackages.hackage-diff | Compare the public API of different versions of a Hackage library |
| haskellPackages.gtkrsync | Gnome rsync progress display |
| haskellPackages.base64-string | Base64 implementation for String's |
| haskellPackages.conduit-find | A file-finding conduit that allows user control over traversals |
| haskellPackages.brassica | Featureful sound change applier |
| haskellPackages.binembed | Embed data into object files |
| haskellPackages.agreeing | Idiomatic data structure for agreement |
| haskellPackages.byteable | Type class for sequence of bytes |
| haskellPackages.ligature | Expand ligatures in unicode text |
| haskellPackages.dominion | A simulator for the board game Dominion |
| haskellPackages.hurriyet | Haskell bindings for Hurriyet API |
| haskellPackages.gloss-export | Export Gloss pictures to png, bmp, tga, tiff, gif and juicy-pixels-image |
| haskellPackages.activehs | Haskell code presentation tool |
| haskellPackages.hextream | Streaming-friendly XML parsers |
| haskellPackages.kangaroo | Binary parsing with random access |
| haskellPackages.breakout | A simple Breakout game implementation |
| haskellPackages.headroom | License Header Manager |
| haskellPackages.holidays | Library for country public holidays |
| haskellPackages.matrices | native matrix based on vector |
| haskellPackages.gang-of-threads | Non-deterministic parallelism with bags |
| haskellPackages.flippers | Variations on flip for multiple arguments |
| haskellPackages.carettah | A presentation tool written with Haskell |
| haskellPackages.bencodex | Bencodex reader/writer for Haskell |
| haskellPackages.koji-install | CLI tool for installing rpms directly from Fedora Koji |
| haskellPackages.elenco-albero | make tree from a list |
| haskellPackages.hledger-iadd | A terminal UI as drop-in replacement for hledger add |
| haskellPackages.cauldron | Dependency injection library |
| haskellPackages.elevator | Immediately lifts to a desired level |
| haskellPackages.influxdb | InfluxDB client library for Haskell |
| haskellPackages.logstash | Logstash client library for Haskell |
| haskellPackages.html-charset | Determine character encoding of HTML documents/fragments |
| haskellPackages.hw-aws-sqs-conduit | AWS SQS conduit |
| haskellPackages.eccrypto | Elliptic Curve Cryptography for Haskell |
| haskellPackages.hssqlppp | SQL parser and type checker |
| haskellPackages.hakismet | Akismet spam protection library |
| haskellPackages.fastmemo | Memoize functions on Generic types |
| haskellPackages.hlibgit2 | Low-level bindings to libgit2 |
| haskellPackages.lazy-io-streams | Get lazy with your io-streams |
| haskellPackages.SpatialMath | 3d math including quaternions/euler angles/dcms and utility functions |