| haskellPackages.highjson | Spec based JSON parsing/serialisation |
| haskellPackages.beamable | Generic serializer/deserializer with compact representation |
| haskellPackages.hinquire | Generate armet style query strings |
| haskellPackages.heukarya | A genetic programming based on tree structure |
| haskellPackages.extended | Support for an 80-bit extended float |
| haskellPackages.data-object-json | Serialize JSON data to/from Haskell using the data-object library. (deprecated) |
| haskellPackages.haskell-pgmq | Haskell interface for Tembo's PGMQ PostgreSQL extension |
| haskellPackages.circular | Circular fixed-sized mutable vectors |
| haskellPackages.altfloat | Alternative floating point support for GHC |
| haskellPackages.ghc-trace-events | Faster traceEvent and traceMarker, and binary object logging for eventlog |
| haskellPackages.combinat | Generate and manipulate various combinatorial objects |
| haskellPackages.heapsize | Determine the size of runtime data structures |
| haskellPackages.kafka-client-sync | Synchronous Kafka Client |
| haskellPackages.list-t-libcurl | A "libcurl"-based streaming HTTP client |
| haskellPackages.c-storable | CStorable class |
| haskellPackages.heredocs-r2 | Heredocument on Haskell |
| haskellPackages.array-builder | Builders for arrays |
| haskellPackages.hsbackup | simple utility for rolling filesystem backups |
| haskellPackages.brick_2_10 | A declarative terminal user interface library |
| haskellPackages.conduit-vfs-zip | Zip archive interface for the Conduit Virtual File System |
| haskellPackages.hevolisa | Genetic Mona Lisa problem in Haskell |
| haskellPackages.broccoli | Small library for interactive functional programs |
| haskellPackages.hack2-contrib | Hack2 contrib |
| haskellPackages.atom-conduit | Streaming parser/renderer for the Atom 1.0 standard (RFC 4287). |
| haskellPackages.inchworm | Simple parser combinators for lexical analysis |
| haskellPackages.hls-class-plugin | Class/instance management plugin for Haskell Language Server |
| haskellPackages.ersatz-toysat | toysat driver as backend for ersatz |
| haskellPackages.http-grammar | Attoparsec-based parsers for the RFC-2616 HTTP grammar rules |
| haskellPackages.bitfield | Generic and easy to use haskell bitfields |
| haskellPackages.gi-harfbuzz | HarfBuzz bindings |
| haskellPackages.crypto-enigma | An Enigma machine simulator with display |
| haskellPackages.fourmolu | A formatter for Haskell source code |
| haskellPackages.halipeto | Haskell Static Web Page Generator |
| haskellPackages.isocline | A portable alternative to GNU Readline |
| haskellPackages.idringen | A project manage tool for Idris |
| haskellPackages.inline-python | Python interpreter embedded into haskell |
| haskellPackages.api-monobank | |
| haskellPackages.describe | Combinators for describing binary data structures |
| haskellPackages.haskell-gi-base | Foundation for libraries generated by haskell-gi |
| haskellPackages.hackport | Hackage and Portage integration tool |
| haskellPackages.hist-pl-lexicon | A binary representation of the historical dictionary of Polish |
| haskellPackages.arxiv-client-cli | Command line tool to search and download papers from arXiv.org |
| haskellPackages.heapsort | Heapsort of MArrays as a demo of imperative programming |
| haskellPackages.freesect | A Haskell syntax extension for generalised sections |
| haskellPackages.format-status | A utility for writing the date to dzen2 |
| haskellPackages.SimpleServer | A simple static file server, for when apache is overkill |
| haskellPackages.iostring | A class of strings that can be involved in IO |
| haskellPackages.backstop | Backstop a target directory by source directories |
| haskellPackages.lucienne | Server side feed aggregator/reader |
| haskellPackages.cuckoo-filter | Pure and impure Cuckoo Filter |
| haskellPackages.datetime | Utilities to make Data.Time.* easier to use |
| haskellPackages.arrow-improve | Improved arrows |
| haskellPackages.fluent-logger | A structured logger for Fluentd (Haskell) |
| haskellPackages.gargoyle | Automatically spin up and spin down local daemons |
| haskellPackages.hannahci | Simple Continuous Integration/Deployment System |
| haskellPackages.file-command-qq | Quasiquoter for system commands involving filepaths |
| haskellPackages.c0parser | Simple C0 Parser |
| haskellPackages.fastedit | find nearest neighbours by edit-distance |
| haskellPackages.gi-graphene | Graphene bindings |
| haskellPackages.boomange | A bookmarks manager with an HTML generator |
| haskellPackages.lockpool | set a maximum on the number of concurrent actions |
| haskellPackages.gi-gstvideo | GStreamerVideo bindings |
| haskellPackages.iterio-server | Library for building servers with IterIO |
| haskellPackages.hopfield | Hopfield Networks, Boltzmann Machines and Clusters |
| haskellPackages.dyckword | A library for working with binary Dyck words |
| haskellPackages.json-encoder | A direct-to-bytes single-pass JSON encoder with a declarative DSL |
| haskellPackages.arithmoi | Efficient basic number-theoretic functions |
| haskellPackages.linear-opengl | Isomorphisms between linear and OpenGL types |
| haskellPackages.WEditorHyphen | Language-specific hyphenation policies for WEditor |
| haskellPackages.delaunay | Build a Delaunay triangulation of a set of points |
| haskellPackages.duckdb-simple | Haskell FFI bindings for DuckDB |
| haskellPackages.comparse | A highly generic parser combinators library |
| haskellPackages.gencheck | A testing framework inspired by QuickCheck and SmallCheck |
| haskellPackages.diffdump | Tools for diffing stdout |
| haskellPackages.dataflow | Generate Graphviz documents from a Haskell representation |
| haskellPackages.cereal-vector | Serialize instances for Data.Vector types. |
| haskellPackages.discount | Haskell bindings to the discount Markdown library |
| haskellPackages.hakyll-series | Adds series functionality to hakyll |
| haskellPackages.hadolint | Dockerfile Linter JavaScript API |
| haskellPackages.markdown | Convert Markdown to HTML, with XSS protection |
| haskellPackages.basement | Foundation scrap box of array & string |
| haskellPackages.data-effects | A basic framework for effect systems based on effects represented by GADTs |
| haskellPackages.hslua-module-text | Lua module for text |
| haskellPackages.amazonka | Comprehensive Amazon Web Services SDK |
| haskellPackages.hxournal | A pen notetaking program written in haskell |
| haskellPackages.dialogue | I/O in Haskell Report 1.2 |
| haskellPackages.bank-holiday-usa | US bank holidays |
| haskellPackages.hyahtzee | A Yahtzee game implementation in Haskell |
| haskellPackages.gi-dbusmenu | Dbusmenu bindings |
| haskellPackages.gi-gstaudio | GStreamerAudio bindings |
| haskellPackages.continue | Monads with suspension and arbitrary-spot reentry |
| haskellPackages.fractals | A collection of useful fractal curve encoders |
| haskellPackages.antelude | Yet another alternative Prelude for Haskell |
| haskellPackages.mandrill | Library for interfacing with the Mandrill JSON API |
| haskellPackages.biofasta | Library for reading fasta sequence files |
| haskellPackages.hw-succinct | Succint datastructures |
| haskellPackages.indexed-state | Indexed State |
| haskellPackages.ghcide-test-utils | Test utils for ghcide |
| haskellPackages.TypingTester | Command Line Typing speed tester |
| haskellPackages.hmatrix-tests | Tests for hmatrix |