| haskellPackages.TotalMap | A total map datatype |
| haskellPackages.codex | A ctags file generator for cabal project dependencies |
| haskellPackages.eveff | Efficient effect handlers based on evidence translation |
| haskellPackages.hsc3-data | haskell supercollider data |
| haskellPackages.debug-me | secure remote debugging |
| haskellPackages.hpdft | A tool for looking through PDF file using Haskell |
| haskellPackages.java-adt | Create immutable algebraic data structures for Java |
| haskellPackages.arbb-vm | FFI binding to the Intel Array Building Blocks (ArBB) virtual machine |
| haskellPackages.cfipu | cfipu processor for toy brainfuck-like language |
| haskellPackages.elynx | Validate and (optionally) redo ELynx analyses |
| haskellPackages.hdiff | Pattern-Expression-based differencing of arbitrary types |
| haskellPackages.judge | Tableau-based theorem prover for justification logic |
| haskellPackages.gruff | fractal explorer GUI using the ruff library |
| haskellPackages.htags | A Haskell98 parsing tags program similar to ctags |
| haskellPackages.borel | Metering System for OpenStack metrics provided by Vaultaire |
| haskellPackages.Tic-Tac-Toe | Tic Tac Toe in your command line! |
| haskellPackages.ghc-tags | Utility for generating ctags and etags with GHC API |
| haskellPackages.braid | Types and functions to work with braids and Khovanov homology |
| haskellPackages.from-env | Provides a generic way to construct values from environment variables |
| haskellPackages.car-pool | Simple web-server for organizing car-pooling for an event |
| haskellPackages.mappy | A functional programming language focused around maps |
| haskellPackages.loch-th | Support for precise error locations in source files (Template Haskell version) |
| haskellPackages.limp-cbc | bindings for integer linear programming solver Coin/CBC |
| haskellPackages.app-lens | applicative (functional) bidirectional programming beyond composition chains |
| haskellPackages.ghc-core | Display GHC's core and assembly output in a pager |
| haskellPackages.fftw-ffi | Low-level interface to FFTW (Fast Fourier Transform) |
| haskellPackages.ilist | Optimised list functions for doing index-related things |
| haskellPackages.hiedb | Generates a references DB from .hie files |
| haskellPackages.hs2ps | Translate Haskell types to PureScript |
| haskellPackages.harpy | Runtime code generation for x86 machine code |
| haskellPackages.fxpak | Interface to the FXPak/FXPak Pro USB interface |
| haskellPackages.early | Early return syntax in do-notation (GHC plugin) |
| haskellPackages.hlivy | Client library for the Apache Livy REST API |
| haskellPackages.lingo | File extension based programming language detection |
| haskellPackages.fresh | Introduce fresh variables into Haskell source code |
| haskellPackages.error-or | Composable, hierarchical errors |
| haskellPackages.ghc-prof | Library for parsing GHC time and allocation profiling reports |
| haskellPackages.ccast | typesafe c-style casts; useful for FFI |
| haskellPackages.cmark | Fast, accurate CommonMark (Markdown) parser and renderer |
| haskellPackages.hasql | Fast PostgreSQL driver with a flexible mapping API |
| haskellPackages.ghc-gc-hook | GHC garbage collection hook |
| haskellPackages.faker | Pure Haskell library for generating fake data |
| haskellPackages.fixed | Signed 15.16 precision fixed point arithmetic |
| haskellPackages.hxweb | Minimal webframework using fastcgi, libxml2 and libxslt |
| haskellPackages.hgrep | Search Haskell source code from the command line |
| haskellPackages.hedra | A small library and executable for generating dice rolls |
| haskellPackages.hs-asapo | Haskell bindings for ASAP:O |
| haskellPackages.fast-nats | Natural Numbers with no overhead |
| haskellPackages.table | Simple tool to generate tables from DSV input |
| haskellPackages.type-sets | Type-level sets |
| haskellPackages.yesod | Creation of type-safe, RESTful web applications |
| haskellPackages.retry | Retry combinators for monadic actions that may fail |
| haskellPackages.vec-lens | Vec: length-indexed (sized) list: lens support |
| haskellPackages.metro | A simple tcp and udp socket server framework |
| haskellPackages.runhs | Stack wrapper for single-file Haskell programs |
| haskellPackages.yices | Haskell programming interface to Yices SMT solver |
| haskellPackages.om-actor | Actor pattern utilities |
| haskellPackages.tree-diff | Diffing of (expression) trees |
| haskellPackages.ral-lens | Length-indexed random access lists: lens utilities |
| haskellPackages.tie-knot | "Ties the knot" on a given set of structures that reference each other by keys |
| haskellPackages.warp-quic | Warp based on QUIC |
| haskellPackages.waldo | A generator of comics based on some ascertainable data about the requester |
| haskellPackages.mmzk-env | Read environment variables into a user-defined data type |
| haskellPackages.stdio | A simple and high performance IO toolkit for Haskell |
| haskellPackages.thimk | Command-line spelling word suggestion tool |
| haskellPackages.mpppc | Multi-dimensional parametric pretty-printer with color |
| haskellPackages.ogma-cli | Ogma: Helper tool to interoperate between Copilot and other languages |
| haskellPackages.rest-snap | Rest driver for Snap |
| haskellPackages.since | Get the number of seconds since the last invocation |
| haskellPackages.ngram | Ngram models for compressing and classifying text |
| haskellPackages.quack | Convenience parser combinators for URI query strings |
| haskellPackages.pure-sum | Derive fromString/toString-like for pure sum types |
| haskellPackages.vty-menu | A lib for displaying a menu and getting a selection using VTY |
| haskellPackages.monad-st | Provides a MonadST class |
| haskellPackages.spars | A sparse set-based parsing library for Haskell |
| haskellPackages.papa-base | Prelude with only useful functions |
| haskellPackages.papa-lens | Prelude with only useful functions |
| haskellPackages.nano-hmac | Bindings to OpenSSL HMAC |
| haskellPackages.swarm | 2D resource gathering game with programmable robots |
| haskellPackages.tic-tac-toe | Useful if reading "Why FP matters" by John Hughes |
| haskellPackages.zlib-core | Thin wrapper for zlib |
| haskellPackages.monad-ox | Monad for observation extraction |
| haskellPackages.varan | Process mpileup output to identify significant differences |
| haskellPackages.vimus | An MPD client with vim-like key bindings |
| haskellPackages.xsha1 | cryptanalysis of Blizzard's broken SHA-1 implementation |
| haskellPackages.menoh | Haskell binding for Menoh DNN inference library |
| haskellPackages.monus | a 'Monus' is a commutative monoid that allows a notion of substraction |
| haskellPackages.rhine | Functional Reactive Programming with type-level clocks |
| haskellPackages.patat | Terminal-based presentations using Pandoc |
| haskellPackages.nixdu | Interactively browse a Nix store paths dependencies |
| haskellPackages.mlkem | Module-Lattice-based Key-Encapsulation Mechanism |
| haskellPackages.yaya-test | Test suites for `yaya` |
| haskellPackages.vcard | A library for parsing/printing vCards from/to various formats |
| haskellPackages.omega | A purely functional programming language and a proof system |
| haskellPackages.spork | Catch errors from pure computations in a Maybe/Either |
| haskellPackages.qr-repa | Library to generate QR codes from bytestrings and objects and scale image files |
| haskellPackages.uniq-deep | uniq-deep |
| haskellPackages.patch | Data structures for describing changes to other data structures |
| haskellPackages.ohloh-hs | Interface to the Ohloh API |
| haskellPackages.porte | FreeBSD ports index search and analysis tool |