Development

@hackage/hls-stylish-haskell-plugin

Integration with the Stylish Haskell code formatter

@hackage/hls-qualify-imported-names-plugin

A Haskell Language Server plugin that qualifies imported names

@hackage/keera-hails-mvc-solutions-gtk

Haskell on Gtk rails - Solutions to recurrent problems in Gtk applications

@hackage/iterm-show

Enable graphical display of images inline on some terminals

@hackage/halive

A live recompiler

@hackage/azurify

A simple library for accessing Azure blob storage

@hackage/keera-hails-mvc-model-lightmodel

Rapid Gtk Application Development - Reactive Protected Light Models

@hackage/git-vogue

A framework for pre-commit checks.

@hackage/NoSlow

Microbenchmarks for various array libraries

@hackage/pisigma

A dependently typed core language

@hackage/ide-backend-server

An IDE backend server

@hackage/ghc-debug-stub

Functions for instrumenting your application so the heap can be analysed with ghc-debug-common.

@hackage/ip2location

IP2Location Haskell package for IP geolocation.

@hackage/hw-uri

Supports IO on URIs

@hackage/argon

Measure your code's complexity

@hackage/rehoo

Rebuild default.hoo from many .hoo files in the current directory

@hackage/hedgehog-generic

GHC Generics automatically derived hedgehog generators

@hackage/markdown-unlit

Literate Haskell support for Markdown

@hackage/libhbb

Backend for text editors to provide better Haskell editing support.

@hackage/cherry-core-alpha

The core library for Cherry Haskell.

@hackage/ghcide

The core of an IDE

@hackage/cli-setup

Helper setup scripts for packaging command-line tools.

@hackage/gitrev-typed

Compile git revision info into Haskell projects

@hackage/bug

Better alternatives to the "error" function

@hackage/stack-run-auto

Initial project template from stack

@hackage/hspec-setup

Add an hspec test-suite in one command

@hackage/ihaskell-hatex

IHaskell display instances for hatex

@hackage/sv2v

SystemVerilog to Verilog conversion

@cardano/plutus-metatheory

Command line tool for running plutus core programs

@hackage/shake-bench

Build rules for historical benchmarking

@hackage/botpp

Build tool for Lambdabot

@hackage/hls-graph

Haskell Language Server internal graph API

@hackage/hdirect

An IDL compiler for Haskell

@hackage/keera-hails-mvc-model-protectedmodel

Rapid Gtk Application Development - Protected Reactive Models

@hackage/uuagc-bootstrap

Attribute Grammar System of Universiteit Utrecht

@hackage/ghc-prof

Library for parsing GHC time and allocation profiling reports

@hackage/hit

Git like program in haskell

@hackage/dwarfadt

High-level wrapper around the dwarf library

@hackage/rattle

Forward build system, with caching and speculation

@hackage/alex

Alex is a tool for generating lexical analysers in Haskell

@hackage/podenv

A container wrapper

@hackage/tkyprof

A web-based visualizer for GHC Profiling Reports

@hackage/uhc-util

UHC utilities

@hackage/chr-parse

Parsing for chr library

@hackage/haskell-stack-trace-plugin

haskell-stack-trace-plugin

@hackage/makedo

Helper for writing redo scripts in Haskell

@hackage/effectful-zoo

Effectful effects for testing

@hackage/gtk2hs-buildtools

Tools to build the Gtk2Hs suite of User Interface libraries.

@hackage/hls-ormolu-plugin

Integration with the Ormolu code formatter

@hackage/visual-prof

Create a visual profile of a program's source code

@hackage/ghc-debug-client

Useful functions for writing heap analysis tools which use ghc-debug.

@hackage/pandoc-unlit

Literate Haskell support for GitHub's Markdown flavor

@hackage/error-analyze

Parse ghc and cabal error messages and give their causes for easier resolution

@hackage/shake-literate

Rules for building literate programs in shake

@hackage/microbench

Microbenchmark Haskell code

@hackage/graph-visit

Graph walk abstraction

@hackage/yesod-fast-devel

Fast live-reloading for yesod applications.

@hackage/flamingra

FlameGraphs of profiling

@hackage/hp2pretty

generate pretty graphs from heap profiles

@hackage/criterion-measurement

Criterion measurement functionality and associated types

@hackage/xgboost-haskell

XGBoost library for Haskell.

@hackage/ghc-stdin

Compile source code from the standard input

@hackage/lhs2tex

Preprocessor for typesetting Haskell sources with LaTeX

@hackage/uuagd

A debugger for the UUAG system.

@hackage/libgit

Simple Git Wrapper

@hackage/chronos

A high-performance time library

@hackage/stack-run

An equivalent to cabal run for stack.

@hackage/ghc-pkg-autofix

Simple utility to fix BROKEN package dependencies for cabal-install.

@hackage/shake-c

Library for building C code with shake

@hackage/Rlang-QQ

quasiquoter for inline-R code

@hackage/implicit-hie-cradle

Auto generate hie-bios cradles

@hackage/ghcide-bench

An LSP client for running performance experiments on HLS

@hackage/hstyle

Checks Haskell source code for style compliance.

@hackage/keera-hails-reactive-gtk

Haskell on Gtk rails - Reactive Fields for Gtk widgets

@hackage/marmalade-upload

Upload packages to Marmalade

@hackage/ghc-lib

The GHC API, decoupled from GHC versions

@hackage/cake3

Third cake the Makefile EDSL

@hackage/monadtransform

A type-class for transforming monads (homomorphism) in a transformer

@hackage/cabal-meta

build multiple packages at once

@hackage/rapid

Hot reload and reload-surviving values with GHCi

@hackage/retrie

A powerful, easy-to-use codemodding tool for Haskell.

@hackage/ipython-kernel

A library for creating kernels for IPython frontends

@hackage/compiler-warnings

Parser for common compiler warning formats

@hackage/dictionary-sharing

Sharing/memoization of class members

@hackage/accuerr

Data type like Either but with accumulating error type

@hackage/ghci-pretty

colored pretty-printing within ghci

@hackage/mywork

Tool to keep track of what you have been working on and where.

@hackage/graphmod

Present the module dependencies of a program as a "dot" graph.

@hackage/lhs2TeX-hl

Literate highlighter preprocessor for lhs2tex

@hackage/hbb

Haskell Busy Bee, a backend for text editors.

@hackage/git-fmt

Custom git command for formatting code.

@hackage/stackage-cabal

A CLI executable for cabal-based stackage commands

@hackage/headergen

Creates a header for a haskell source file.

@hackage/data-structure-inferrer

Program that infers the fastest data structure available for your program

@hackage/clod

Project file manager for Claude AI integrations

@hackage/hls-overloaded-record-dot-plugin

Overloaded record dot plugin for Haskell Language Server

@hackage/hsubconvert

One-time, faithful conversion of Subversion repositories to Git

@hackage/cabal

placeholder for Cabal package, you want the upper case Cabal

@hackage/haddock

A documentation-generation tool for Haskell libraries

@hackage/mps

simply oo

@hackage/th-pprint

Simplify and render Template Haskell

@hackage/DataTreeView

A GTK widget for displaying arbitrary Data.Data.Data instances

@hackage/macosx-make-standalone

Make a macosx app standalone deployable

@hackage/happybara-webkit

WebKit Happybara driver

@hackage/bf-cata

@hackage/itanium-abi

An implementation of name mangling/demangling for the Itanium ABI

@hackage/kit

A dependency manager for Xcode (Objective-C) projects

@hackage/keera-hails-reactive-fs

Haskell on Rails - Files as Reactive Values

@hackage/workflow-windows

Automate keyboard/mouse/clipboard/application interaction.

@hackage/json-pointy

JSON Pointer (RFC 6901) parsing, access, and modification

@hackage/shake-futhark

Dependency tracking for Futhark

@hackage/dhall-check

Check all dhall files in a project

@hackage/module-management

Clean up module imports, split and merge modules

@hackage/derive-is-data-con

This package generates data constructor predicate functions

@hackage/NoTrace

Remove all the functions come from Debug.Trace after debugging

@hackage/BirdPP

A preprocessor for Bird-style Literate Haskell comments with Haddock markup.

@hackage/greencard

GreenCard, a foreign function pre-processor for Haskell.

@hackage/nothunks

Examine values for unexpected thunks

@hackage/monoid-insertleft

Some extension to the Foldable and Monoid classes.

@hackage/unpacked-maybe

An unpacked maybe data type

@hackage/infer-upstream

Find the repository from where a given repo was forked

@hackage/sqlc-hs

Generate type-safe Haskell code from SQL via https://github.com/sqlc-dev/sqlc.

@hackage/agda2lagda

Translate .agda files into .lagda.tex files.

@hackage/stc-lang

A library for implicit, monadic dataflow parallelism

@hackage/mmsyn2

The library that can be used for multiple (Ord a) => a -> b transformations

@hackage/bhoogle

Simple terminal GUI for local hoogle.

@hackage/erd

An entity-relationship diagram generator from a plain text description.

@hackage/hs-di

Dependency Injection library for Haskell

@hackage/reactive-banana-gi-gtk

Simple reactive programming with GTK GObject Introspection

@hackage/liquidhaskell-cabal

Liquid Haskell integration for Cabal and Stack

@hackage/ghc-mtl

An mtl compatible version of the Ghc-Api monads and monad-transformers.

@hackage/keera-hails-mvc-controller

Haskell on Gtk rails - Gtk-based controller for MVC applications

@hackage/hie-core

The core of an IDE

@hackage/haskell-gi

Generate Haskell bindings for GObject Introspection capable libraries

@hackage/ghcprofview

GHC .prof files viewer

@hackage/releaser

Automation of Haskell package release process

@hackage/hiedb

Generates a references DB from .hie files

@hackage/porter

Implementation of the Porter stemming algorithm

@hackage/monadic-bang

GHC plugin to desugar ! into do-notation

@hackage/vacuum-ubigraph

Visualize Haskell data structures using vacuum and Ubigraph

@hackage/record-dot-preprocessor

Preprocessor to allow record.field syntax

@hackage/radian

Isomorphisms for measurements that use radians.

@hackage/keera-hails-reactive-cbmvar

Reactive Haskell on Rails - CBMVars as reactive values

@hackage/dump

Dumps the names and values of expressions to ease debugging.

@hackage/shelly

shell-like (systems) programming in Haskell

@hackage/leksah

Haskell IDE written in Haskell

@hackage/hls-haddock-comments-plugin

Haddock comments plugin for Haskell Language Server

@hackage/greencard-lib

A foreign function interface pre-processor library for Haskell

@hackage/ghc-time-alloc-prof

Library for parsing GHC time and allocation profiling reports

@hackage/record-wrangler

Alter your records with ease

@hackage/slice-cpp-gen

Generate C++ skeletons from slice files

@hackage/haddock-use-refs

Eliminate warnings for names referred in Haddock only

@hackage/hpaco

Modular template compiler

@hackage/buildbox

Rehackable components for writing buildbots and test harnesses.

@hackage/c2hs

C->Haskell FFI tool that gives some cross-language type safety

@hackage/pushme

Tool to synchronize directories with rsync, zfs or git-annex

@hackage/stackage

Dummy package forcing installation of other Stackage packages

@hackage/MissingK

Useful types and definitions missing from other libraries

@hackage/vacuum-cairo

Visualize live Haskell data structures using vacuum, graphviz and cairo

@hackage/elm-init

Set up basic structure for an elm project

@hackage/intero

Complete interactive development program for Haskell

@hackage/shake-language-c

Utilities for cross-compiling with Shake

@hackage/cabal2ghci

A tool to generate .ghci file from .cabal

@hackage/avr-shake

AVR Crosspack actions for shake build systems.

@hackage/hls-plugin-api

Haskell Language Server API for plugin communication

@hackage/trurl

Haskell template code generator

@hackage/shake-google-closure-compiler

Shake rules for the Google closure compiler

@hackage/firstify

Defunctionalisation for Yhc Core

@hackage/hls-cabal-fmt-plugin

Integration with the cabal-fmt code formatter

@hackage/hasktags

Produces ctags "tags" and etags "TAGS" files for Haskell programs

@hackage/wai-make-assets

Compiling and serving assets

@hackage/quickterm

An interface for describing and executing terminal applications

@hackage/stack-fix

Console program used to fix Stack build errors automatically

@hackage/TraceUtils

Functions that should have been in Debug.Trace

@hackage/package-o-tron

Utilities for working with cabal packages and your package database

@hackage/hs

GHC-toolchain installer broker

@hackage/help-esb

A Haskell client for the Help.com team's ESB.

@hackage/debug-tracy

More useful trace functions for investigating bugs

@hackage/assembler

Haskell Assembler

@hackage/cabal-fmt

Format .cabal files

@hackage/gauge

small framework for performance measurement and analysis

@hackage/stack-bump

Dead simple version bumping for hpack packages

@hackage/derive-lifted-instances

Derive class instances though various kinds of lifting

@hackage/project-template

Specify Haskell project templates and generate files

@hackage/hls-test-utils

Utilities used in the tests of Haskell Language Server

@hackage/require-callstack

Propagate HasCallStack with constraints

@hackage/mm2

The library that can be used for optimization of multiple (Ord a) => a -> b transformations

@hackage/resource-embed

Embed data files via C and FFI.

@hackage/dead-code-detection

detect dead code in haskell projects

@hackage/pantry

Content addressable Haskell package management

@hackage/stack-templatizer

Generate a stack template from a folder.

@hackage/pinch

An alternative implementation of Thrift for Haskell.

@hackage/kansas-lava-shake

Shake rules for building Kansas Lava projects

@hackage/splint

HLint as a GHC source plugin.

@hackage/hoogle

Haskell API Search

@hackage/data-util

utilities for handle data

@hackage/semdoc

Evaluate code snippets in Literate Haskell.

@hackage/niv

Easy dependency management for Nix projects

@hackage/keera-hails-reactive-polling

Haskell on Rails - Polling based Readable RVs

@hackage/random-derive

A Template Haskell helper for deriving Random instances

@hackage/shake-minify

Shake Minify Rules

@hackage/PartialTypeSignatures

emulate partial type signatures with template haskell

@hackage/ide-backend-rts

RTS for the IDE backend

@hackage/pantry-tmp

Content addressable Haskell package management

@hackage/alex-meta

Quasi-quoter for Alex lexers

@hackage/workflow-types

Automate keyboard\/mouse\/clipboard\/application interaction.

@hackage/open-haddock

Open haddock HTML documentation

@hackage/cabal-constraints

Repeatable builds for cabalized Haskell projects.

@hackage/grasp

GRASP implementation for the AMMM project.

@hackage/debug

Simple trace-based debugger

@hackage/structured-haskell-mode

Structured editing Emacs mode for Haskell

@hackage/robin

A build daemon for Haskell development

@hackage/anansi-hscolour

Colorized looms for Anansi

@hackage/themplate

Project templating tool

@hackage/ghc-hie

HIE-file parsing machinery that supports multiple versions of GHC

@hackage/jarfind

Tool for searching java classes, members and fields in classfiles and JAR archives

@hackage/lambdabot-novelty-plugins

Novelty plugins for Lambdabot

@hackage/debruijn

de Bruijn indices and levels

@hackage/sensei

Automatically run Hspec tests on file modifications

@hackage/sizes

Recursively show space (size and i-nodes) used in subdirectories

@hackage/sandman

Manages Cabal sandboxes to avoid rebuilding packages.

@hackage/hls-hlint-plugin

Hlint integration plugin with Haskell Language Server

@hackage/happy-lib

Happy is a parser generator for Haskell implemented using this library

@hackage/hein

An extensible build helper for haskell, in the vein of leiningen.

@hackage/dib

A simple, forward build system.

@hackage/ghc-usage

Print minimal export lists

@hackage/flo

Generate flow charts from your code base.

@hackage/ghc-dump-tree

Dump GHC's parsed, renamed, and type checked ASTs

@hackage/ghc-tags-pipes

Streaming interface for ghc-tags-core

@hackage/typeof

Small script for inferring types

@hackage/catamorphism

Exposes a Template Haskell function for generating catamorphisms.

@hackage/fourmolu

A formatter for Haskell source code

@hackage/hpaco-lib

Modular template compiler library

@hackage/hsfcsh

Incremental builder for flash

@hackage/panic

A convenient way to panic.

@hackage/ghc-lib-parser-ex

Programming with GHC parse trees

@hackage/darcs-fastconvert

Import/export git fast-import streams to/from darcs.

@hackage/tasty-papi

Bencmarking using instruction counting

@hackage/styx

A generator of nix files

@hackage/sparsebit

Sparse bitmaps for pattern match coverage

@hackage/java-character

Functions to simulate Java's Character class.

@hackage/UtilityTM

Utility functions that are missing from the standard library

@hackage/gitignore

Apply GitHub .gitignore templates to already existing repositories.

@hackage/debuggable

Utilities for making your applications more debuggable.

@hackage/hfd

Flash debugger

@hackage/requirements

Abstraction to manage user defined Type Errors

@hackage/hie-compat

HIE files for GHC 8.8 and other HIE file backports

@hackage/derive

A program and library to derive instances for data types

@hackage/alex-tools

A set of functions for a common use case of Alex.

@hackage/silvi

A generator for different kinds of data.

@hackage/haskell-docs

A program to find and display the docs and type of a name

@hackage/filepattern

File path glob-like matching

@hackage/ghc-tags-plugin

A compiler plugin which generates tags file from GHC parsed syntax tree.

@hackage/canteven-listen-http

data types to describe HTTP services

@hackage/mmsyn2-hashable

A library that can be used for multiple Hashable a => a -> b transformations.

@hackage/ghc-datasize

Determine the size of data structures in GHC's memory

@hackage/ghc-exactprint

ExactPrint for GHC

@hackage/ihaskell-hvega

IHaskell display instance for hvega types.

@hackage/refact

Specify refactorings to perform with apply-refact

@hackage/cabal-ghci

Set up ghci with options taken from a .cabal file

@hackage/tasty-bench-fit

Determine time complexity of a given function

@hackage/debug-trace-file

Like Debug.Trace but writing to files.

@hackage/extractelf

Extract an ELF's metadata and sections into files

@hackage/nofib-analyse

Parse and compare nofib runs

@hackage/haskell-token-utils

Utilities to tie up tokens to an AST

@hackage/trawl

A tool for finding haddocks

@hackage/edentv

A Tool to Visualize Parallel Functional Program Executions

@hackage/hspec-dirstream

Helper functions to simplify adding integration tests.

@hackage/summoner-tui

Tool for scaffolding fully configured batteries-included production-level Haskell projects using TUI.

@hackage/canteven-log

A canteven way of setting up logging for your program.

@hackage/hi-file-parser

Parser for GHC's hi files

@hackage/yi

Yi editor

@hackage/stratux

A library for stratux

@hackage/gitrev

Compile git revision info into Haskell projects

@hackage/ghc-core-html

Core to HTML display

@hackage/lambdabot-trusted

Lambdabot trusted code.

@hackage/swiss

Basic functions for development with Core libraries and GHC boot libraries dependencies.

@hackage/ihaskell-aeson

IHaskell display instances for Aeson

@hackage/homoiconic

Constructs FAlgebras from typeclasses, making Haskell functions homoiconic

@hackage/itcli

Issue Tracker for the CLI

@hackage/AndroidViewHierarchyImporter

Android view hierarchy importer

@hackage/simple-src-utils

source code editing utilities

@hackage/SyntaxMacros

Syntax Macros in the form of an EDSL

@hackage/ghc-dump-core

An AST and compiler plugin for dumping GHC's Core representation.

@hackage/hugs2yc

Hugs Front-end to Yhc Core.

@hackage/kdesrc-build-extra

Build profiles for kdesrc-build

@hackage/hpage

A scrapbook for Haskell developers

@hackage/nixfmt

An opinionated formatter for Nix

@hackage/hls-splice-plugin

HLS Plugin to expand TemplateHaskell Splices and QuasiQuotes

@hackage/apigen

FFI API generator for several languages

@hackage/autopack

Custom Setup to automate package modules discovery

@hackage/pdynload

pdynload is polymorphic dynamic linking library.

@hackage/hat

The Haskell tracer, generating and viewing Haskell execution traces

@hackage/scotty-fay

Fay integration for Scotty.

@hackage/language-dockerfile

Dockerfile linter, parser, pretty-printer and embedded DSL

@hackage/snipcheck

Markdown tester

@hackage/konnakol

Formalising the rules of Konnakol, an Indian percussional art form.

@hackage/fugue

A recapitulated prelude with minimal dependencies and profligate exports.

@hackage/pointful

Pointful refactoring tool

@hackage/urembed

Ur/Web static content generator

@hackage/hls-explicit-imports-plugin

Explicit imports plugin for Haskell Language Server

@hackage/buildwrapper

A library and an executable that provide an easy API for a Haskell IDE

@hackage/Aurochs

Yet another parser generator for C/C++

@hackage/ihaskell-charts

IHaskell display instances for charts types

@hackage/pseudomacros

cpp-style built-in macros using Template Haskell

@hackage/hiedb-plugin

See README on Github for more information

@hackage/pier

Yet another Haskell build system.

@hackage/haskell-import-graph

create haskell import graph for graphviz

@hackage/nsis

DSL for producing Windows Installer using NSIS.

@hackage/criterion-cmp

A simple tool for comparing in Criterion benchmark results

@hackage/hackage-cli

CLI tool for Hackage

@hackage/cabal-ghc-dynflags

Conveniently configure GHC's dynamic flags for use with Cabal projects

@hackage/htags

A Haskell98 parsing tags program similar to ctags.

@hackage/present

Make presentations for data types.

@hackage/colorize-haskell

Highligt Haskell source

@hackage/smartconstructor

A package exposing a helper function for generating smart constructors.

@hackage/guess-combinator

Generate simple combinators given their type

@hackage/reflex-ghci

A GHCi widget library for use in reflex applications

@hackage/shelly-extra

shelly features that require extra dependencies

@hackage/linux-perf

Read files generated by perf on Linux

@hackage/haskell-debug-adapter

Haskell Debug Adapter.

@hackage/rock

A build system for incremental, parallel, and demand-driven computations

@hackage/hayoo-cli

Hayoo CLI

@hackage/iridium

Automated Local Cabal Package Testing and Uploading

@hackage/ghcide-test-utils

Test utils for ghcide

@hackage/starter

Develop applications without restarts

@hackage/stepwise

@hackage/shake-minify-css

Shake rules for CSS

@hackage/grm

grm grammar converter

@hackage/ihaskell-graphviz

IHaskell display instance for GraphViz (external binary)

@hackage/hls-rename-plugin

Rename plugin for Haskell Language Server

@hackage/git-all

Determine which Git repositories need actions to be taken

@hackage/lit

A simple tool for literate programming

@hackage/hw-ci-assist

CI Assistant for Haskell projects

@hackage/dump-core

A plug-in for rendering GHC core

@hackage/llvm-analysis

A Haskell library for analyzing LLVM bitcode

@hackage/AlgorithmW

Example implementation of Algorithm W for Hindley-Milner type inference.

@hackage/hadolint

Dockerfile Linter JavaScript API

@hackage/hpp

A Haskell pre-processor

@hackage/lambdabot

Lambdabot is a development tool and advanced IRC bot

@hackage/lambdabot-misc-plugins

Lambdabot miscellaneous plugins

@hackage/Lastik

A library for compiling programs in a variety of languages

@hackage/bumper

Automatically bump package versions, also transitively.

@hackage/hw-polysemy

Opinionated polysemy library

@hackage/zephyr

Zephyr, tree-shaking for the PureScript language

@hackage/flexible-unlit

A configurable reimplementation of unlit

@hackage/haltavista

looks for functions given a set of example input/outputs

@hackage/haskell-src-exts-simple

A simplified view on the haskell-src-exts AST

@hackage/darcs-beta

a distributed, interactive, smart revision control system

@hackage/neil

General tools for Neil

@hackage/logict-state

Library for logic programming based on haskell package logict

@hackage/jbi

Just Build It - a "do what I mean" abstraction for Haskell build tools

@hackage/arrowp

preprocessor translating arrow notation into Haskell 98

@hackage/ag-pictgen

Attribute Grammar picture generation

@hackage/old-version

Basic versioning library.

@hackage/derive-gadt

Instance deriving for (a subset of) GADTs.

@hackage/loch-th

Support for precise error locations in source files (Template Haskell version)

@hackage/lsp

Haskell library for the Microsoft Language Server Protocol

@hackage/omnifmt

A pretty-printer wrapper to faciliate ease of formatting during development.

@hackage/ghci-dap

ghci-dap is a GHCi having DAP interface.

@hackage/minirotate

Minimalistic file rotation utility

@hackage/keera-hails-mvc-view

Haskell on Gtk rails - Generic View for MVC applications

@hackage/hscaffold

Very simple file/directory structure scaffolding writer monad EDSL

@hackage/tracy

Convenience wrappers for non-intrusive debug tracing

@hackage/hackage-proxy

Provide a proxy for Hackage which modifies responses in some way. (deprecated)

@hackage/multi-cabal

A tool supporting multi cabal project builds.

@hackage/hls-eval-plugin

Eval plugin for Haskell Language Server

@hackage/CCA

preprocessor and library for Causal Commutative Arrows (CCA)

@hackage/vabal-lib

Core algorithms and datatypes used by vabal

@hackage/import-style-plugin

Helps maintain consistency of imports

@hackage/murder

MUtually Recursive Definitions Explicitly Represented

@hackage/shake-cabal

Shake library for use with cabal

@hackage/rapid-term

External terminal support for rapid

@hackage/multiprocess

Multiprocess architecture library

@hackage/generic-env

Generic Environment Generator

@hackage/deriveJsonNoPrefix

Derive ToJSON/FromJSON instances in a more prefix-friendly manner.

@hackage/hls-alternate-number-format-plugin

Provide Alternate Number Formats plugin for Haskell Language Server

@hackage/giak

Fuzzy finder for cabal executables

@hackage/shake

Build system library, like Make, but more accurate dependencies.

@hackage/ycextra

Additional utilities to work with Yhc Core.

@hackage/haskell-docs-cli

Search Hoogle and navigate Hackage from the command line.

@hackage/derive-topdown

Derive type class instances

@hackage/ghc-tags-core

CTags and ETags from Haskell syntax tree.

@hackage/tokstyle

TokTok C code style checker

@hackage/cabal-mon

A monitor for cabal builds

@hackage/geodetic

Geodetic calculations

@hackage/haddock-leksah

A documentation-generation tool for Haskell libraries

@hackage/hgdbmi

GDB Machine Interface: program-driven control of GDB

@hackage/hs-pkg-config

Create pkg-config configuration files

@hackage/ghc-api-compat

GHC-API compatibility helpers

@hackage/visual-graphrewrite

Visualize the graph-rewrite steps of a Haskell program

@hackage/fpco-api

Simple interface to the FP Complete IDE API.

@hackage/ihaskell-symtegration

IHaskell extension for making the use of Symtegration more seamless.

@hackage/rio-prettyprint

Pretty-printing for RIO

@hackage/project-forge

A project initialization library

@hackage/formatn

Formatting of doubles.

@hackage/cookbook

Tiered general-purpose libraries with domain-specific applications.

@hackage/trackit

A command-line tool for live monitoring

@hackage/psc-ide

Language support for the PureScript programming language

@hackage/language-docker

Dockerfile parser, pretty-printer and embedded DSL

@hackage/vcsgui

GUI library for source code management systems

@hackage/derive-prim

Derive Prim and PrimUnaligned

@hackage/ghc-events

Library and tool for parsing .eventlog files from GHC

@hackage/th-fold

TH fold generator

@hackage/ihaskell-blaze

IHaskell display instances for blaze-html types

@hackage/standalone-derive-topdown

This package will derive class instance along the data type declaration tree. (Deprecated)

@hackage/ghc-parmake

A parallel wrapper for 'ghc --make'.

@hackage/sarsi

A universal quickfix toolkit and his protocol.

@hackage/cabal-gild

Formats package descriptions.

@hackage/implicit-hie

Auto generate hie-bios cradles & hie.yaml

@hackage/ghc-lib-parser

The GHC API, decoupled from GHC versions

@hackage/HSlippyMap

OpenStreetMap Slippy Map

@hackage/hlint

Source code suggestions

@hackage/scan

lexical style suggestions for source code

@hackage/heapsize

Determine the size of runtime data structures

@hackage/ihaskell

A Haskell backend kernel for the Jupyter project.

@hackage/summoner

Tool for scaffolding fully configured batteries-included production-level Haskell projects.

@hackage/extra

Extra functions I use.

@hackage/miss-porcelain

Useability extras built on top of miss.

@hackage/scion

Haskell IDE library

@hackage/git-mediate

Tool to help resolving git conflicts

@hackage/arbtt

Automatic Rule-Based Time Tracker

@hackage/lambdabot-xmpp

Lambdabot plugin for XMPP (Jabber) protocol

@hackage/hesh

the Haskell Extensible Shell: Haskell for Bash-style scripts

@hackage/ruler

Ruler tool for UHC

@hackage/cabal-dev

Manage sandboxed Haskell build environments

@hackage/hls-retrie-plugin

Retrie integration plugin for Haskell Language Server

@hackage/ghc-man-completion

Generate a bash completion from the GHC manpage

@hackage/SourceGraph

Static code analysis using graph-theoretic techniques.

@hackage/pcap-conduit

Conduit <-> libpcap

@hackage/th-deepstrict

Check that datatypes are deep strict using Template Haskell.

@hackage/ui-command

A framework for friendly commandline programs

@hackage/haskell-lsp

Haskell library for the Microsoft Language Server Protocol

@hackage/prof2pretty

generate pretty source from time/allocation profiles

@hackage/file-location

common functions that show file location information

@hackage/ghc-server

None

@hackage/pkggraph

Package dependency graph for installed packages

@hackage/merkle-tree

An implementation of a Merkle tree and merkle tree proofs of inclusion

@hackage/hls-pragmas-plugin

Pragmas plugin for Haskell Language Server

@hackage/cabal-bounds

A command line program for managing the dependency versions in a cabal file.

@hackage/ihaskell-juicypixels

IHaskell - IHaskellDisplay instances of the image types of the JuicyPixels package.

@hackage/linearscan

Linear scan register allocator, formally verified in Coq

@hackage/shake-elm

Elm builds in shake

@hackage/ihaskell-plot

IHaskell display instance for Plot (from plot package)

@hackage/ghc-paths

Knowledge of GHC's installation directories

@hackage/cabal-hoogle

generate hoogle database for cabal project and dependencies

@hackage/shake-ccjs

Shake rules for CCJS

@hackage/unpacked-these

An unpacked these data type

@hackage/ght

Trivial routines for inspecting git repositories

@hackage/ghc-make

Accelerated version of ghc --make

@hackage/ticket-management

A basic implementation of a personal ticket management system

@hackage/ghc-dump-util

Handy tools for working with ghc-dump dumps

@hackage/trace-embrace

Smart version of Debug.Trace module

@hackage/virthualenv

Virtual Haskell Environment builder

@hackage/fused-effects-readline

A readline-like effect and carrier for fused-effects

@hackage/make-package

Make a cabalized package

@hackage/hackmanager

Generate useful files for Haskell projects

@hackage/spy

A compact file system watcher for Mac OS X, Linux and Windows

@hackage/hs-opentelemetry-instrumentation-auto

Plugin for instrumenting an application

@hackage/snaplet-scoped-session

Modularised session state for Snaplets, in a Snaplet

@hackage/hls-refactor-plugin

Exactprint refactorings for Haskell Language Server

@hackage/ats-setup

ATS scripts for Cabal builds

@hackage/AspectAG

First-class Attribute Grammars implemented using type-level programming.

@hackage/time-io-access

IO Access for time

@hackage/buildbox-tools

Tools for working with buildbox benchmark result files.

@hackage/sequent-core

Alternative Core language for GHC plugins

@hackage/hdevtools

Persistent GHC powered background server for FAST haskell development tools

@hackage/ghc-imported-from

Find the Haddock documentation for a symbol.

@hackage/driving-classes-plugin

Deriving without spelling out "deriving"

@hackage/keiretsu

Multi-process orchestration for development and integration testing

@hackage/monad-log

A simple and fast logging monad

@hackage/happy-meta

Quasi-quoter for Happy parsers

@hackage/darcs2dot

Outputs dependencies of darcs patches in dot format.

@hackage/uhc-light

Part of UHC packaged as cabal/hackage installable library

@hackage/stgi

Educational implementation of the STG (Spineless Tagless G-machine)

@hackage/wxhnotepad

An example of how to implement a basic notepad with wxHaskell

@hackage/uniplate

Help writing simple, concise and fast generic operations.

@hackage/ollama-holes-plugin

A typed-hole plugin that uses LLMs to generate valid hole-fits

@hackage/c-storable

CStorable class

@hackage/c2hsc

Convert C API header files to .hsc and .hsc.helper.c files

@hackage/lambdabot-core

Lambdabot core functionality

@hackage/hls-explicit-record-fields-plugin

Explicit record fields plugin for Haskell Language Server

@hackage/cpphs

A liberalised re-implementation of cpp, the C pre-processor.

@hackage/hls-gadt-plugin

Convert to GADT syntax plugin

@hackage/hsenv

Virtual Haskell Environment builder

@hackage/keera-hails-reactive-network

Haskell on Rails - Sockets as Reactive Values

@hackage/static-ls

See README on Github for more information

@hackage/python-pickle

Serialization/deserialization using Python Pickle format.

@hackage/hsc2hs

A preprocessor that helps with writing Haskell bindings to C code

@hackage/auto-split

Case splitting plugin

@hackage/unpacked-validation

An unpacked validation data type

@hackage/io-manager

Skeleton library around the IO monad.

@hackage/cabal-graphdeps

Generate graphs of install-time Cabal dependencies

@hackage/hls-cabal-plugin

Cabal integration plugin with Haskell Language Server

@hackage/criterion-compare

A simple tool for visualising differences in Criterion benchmark results

@hackage/air-spec

air spec helper

@hackage/houseman

A Haskell implementation of Foreman

@hackage/Hs2lib

A Library and Preprocessor that makes it easier to create shared libs from Haskell programs.

@hackage/keera-hails-reactivevalues

Haskell on Rails - Reactive Values

@hackage/hexml

XML subset DOM parser

@hackage/hdocs

Haskell docs tool

@hackage/lambdabot-irc-plugins

IRC plugins for lambdabot.

@hackage/ImperativeHaskell

A library for writing Imperative style haskell.

@hackage/unpacked-either

An unpacked either data type

@hackage/ghc-pkg-lib

Provide library support for ghc-pkg information

@hackage/yi-fuzzy-open

Fuzzy open plugin for yi

@hackage/risk-weaver

A DSL for Risk-oriented Object Detection Requirements

@hackage/cerberus

Protect and control API access with cerberus

@hackage/changelogged

Changelog manager for Git projects.

@hackage/docvim

Documentation generator for Vim plug-ins

@hackage/HsSVN

Partial Subversion (SVN) binding for Haskell

@hackage/hCM

Conceptual modelling support for Haskell

@hackage/testloop

Quick feedback loop for test suites

@hackage/base-noprelude

"base" package sans "Prelude" module

@hackage/bson-lens

BSON lenses

@hackage/prototype

prototype-based programming on Haskell

@hackage/hls-explicit-fixity-plugin

Show fixity explicitly while hovering

@hackage/happybara-webkit-server

WebKit Server binary for Happybara (taken from capybara-webkit)

@hackage/th-inline-io-action

Simple inline IO action into compiled code using TH

@hackage/git-monitor

Passively snapshots working tree changes efficiently.

@hackage/ats-format

A source-code formatter for ATS

@hackage/scope

An interactive renderer for plotting time-series data

@hackage/linearscan-hoopl

Makes it easy to use the linearscan register allocator with Hoopl

@hackage/stackage-cli

A CLI library for stackage commands

@hackage/Measure

A library for units of measurement

@hackage/line-indexed-cursor

Line-indexed file reader.

@hackage/pollock

Functionality to help examine Haddock information of a module.

@hackage/nofib-analyze

Parse and compare nofib runs

@hackage/polysemy-blockfrost

Polysemy wrapper around the Blockfrost client

@hackage/type-prelude

Partial port of prelude to the type level. Requires GHC 7.6.1.

@hackage/typalyze

Analyzes Haskell source files for easy reference

@hackage/ihaskell-rlangqq

a rDisp quasiquote to show plots from Rlang-QQ in IHaskell

@hackage/names-th

Manipulate name strings for TH

@hackage/hw-prelude

Opinionated prelude library

@hackage/cabal-cargs

A command line program for extracting compiler arguments from a cabal file.

@cardano/plutus-ghc-stub

The GHC API

@hackage/breakpoint

Set breakpoints using a GHC plugin

@hackage/steeloverseer

A file watcher and development tool.

@hackage/stack-lib

Wrapper to use stack as a library

@hackage/stackage-setup

An executable for downloading a Haskell setup

@hackage/vacuum-opengl

Visualize live Haskell data structures using vacuum, graphviz and OpenGL.

@hackage/ghc-check

detect mismatches between compile-time and run-time versions of the ghc api

@hackage/cabal-edit

Cabal utility

@hackage/mueval

Safely evaluate pure Haskell expressions

@hackage/haskellscript

Command line tool for running Haskell scripts with a hashbang.

@hackage/hs-tags

Create tag files (ctags and etags) for Haskell code.

@hackage/hindent

Extensible Haskell pretty printer

@hackage/arrowp-qq

A preprocessor and quasiquoter for translating arrow notation

@hackage/zoom-cache

A streamable, seekable, zoomable cache file format

@hackage/sasha

A staged lexer generator

@hackage/symon

Minimal implementation(s) of the classic electronic memory game.

@hackage/ghc-generic-instances

Derived instances of GHC.Generic of the GHC AST

@hackage/stack-wrapper

Call ghc within stack by calling ghc

@hackage/pinch-gen

A code generator for the pinch Thrift library.

@hackage/jupyter

A library for creating and using Jupyter kernels.

@hackage/happy

Happy is a parser generator for Haskell

@hackage/tyfam-witnesses

Provide proof witnesses for closed type family evaluation

@hackage/intelli-monad

Type level prompt with openai.

@hackage/codex

A ctags file generator for cabal project dependencies.

@hackage/testcontainers

Docker containers for your integration tests.

@hackage/HaRe

the Haskell Refactorer.

@hackage/pure-io

Pure IO monad.

@hackage/shake-cabal-build

Utility for building Shake build systems using Cabal sandboxes

@hackage/hssourceinfo

get haskell source code info

@hackage/guardian

The border guardian for your package dependencies

@hackage/fusion-plugin

GHC plugin to make stream fusion more predictable.

@hackage/darcs-scripts

Shell scripts for support of darcs workflow

@hackage/ip2location-io

IP2Location.io Haskell package for IP geolocation and domain WHOIS.

@hackage/bisect-binary

Determine relevant parts of binary data

@hackage/difftodo

Generate todo lists from source code

@hackage/cached-io

A simple library to cache IO actions

@hackage/timeline

Data type representing a piecewise-constant function over time

@hackage/mustache

A mustache template parser library.

@hackage/LazyVault

A simple sandboxing tool for Haskell packages.

@hackage/parser-helper

Prints Haskell parse trees in JSON.

@hackage/werewolf

A game engine for playing werewolf within an arbitrary chat client

@hackage/hls-brittany-plugin

Integration with the Brittany code formatter

@hackage/ihaskell-inline-r

Embed R quasiquotes and plots in IHaskell notebooks.

@hackage/ormolu

A formatter for Haskell source code

@hackage/ihaskell-gnuplot

IHaskell display instance for Gnuplot (from gnuplot package)

@hackage/sexp-show

Produce a s-expression representation of Show values.

@hackage/dupIO

Duplicate any closure

@hackage/haskell-formatter

Haskell source code formatter

@hackage/ghc-trace-events

Faster traceEvent and traceMarker, and binary object logging for eventlog

@hackage/cdeps

Extract dependencies from C code.

@hackage/optional

Using type-classes for optional function arguments

@hackage/anansi

Simple literate programming preprocessor

@hackage/cake

A build-system library and driver

@hackage/cabal-bundle-clib

Bundling C/C++ projects in Cabal package made easy

@hackage/court

Simple and flexible CI system

@hackage/hzenity

Haskell interface to Zenity dialogs

@hackage/agda-language-server

An implementation of language server protocal (LSP) for Agda 2.

@hackage/crunghc

A runghc replacement with transparent caching

@hackage/error-message

Composable error messages.

@hackage/clone-all

Clone all github repositories from a given user

@hackage/sparsecheck

A Logic Programming Library for Test-Data Generation

@hackage/chr-lang

AST + surface language around chr

@hackage/haskdogs

Generate tags file for Haskell project and its nearest deps

@hackage/lambdabot-haskell-plugins

Lambdabot Haskell plugins

@hackage/resolve-trivial-conflicts

Remove trivial conflict markers in a git repository

@hackage/schedevr

Marge schedules and show EVR

@hackage/ihaskell-magic

IHaskell display instances for bytestrings

@hackage/base-compat-migrate

Helps migrating projects to base-compat(-batteries).

@hackage/hsfilt

Z-decoder.

@hackage/dbus-th-introspection

Generate bindings for DBus calls by using DBus introspection and dbus-th

@hackage/addLicenseInfo

Adds license info to the top of a file.

@hackage/constable

A safe interface for Const summarization

@hackage/package-vt

Haskell Package Versioning Tool

@hackage/MetaObject

A meta-object system for Haskell based on Perl 6

@hackage/lambdabot-utils

Utility libraries for the advanced IRC bot, Lambdabot

@hackage/impl

Framework for defaulting superclasses

@hackage/chronos-bench

Benchmarking tool with focus on comparing results.

@hackage/base-feature-macros

Semantic CPP feature macros for base

@hackage/smuggler2

GHC Source Plugin that helps to minimise imports and generate explicit exports

@hackage/normalize-imports

Sort and align Haskell import statements

@hackage/cgen

generates Haskell bindings and C wrappers for C++ libraries

@hackage/iterm-show-JuicyPixels

Orphan Show instances for JuciyPixels image types.

@hackage/hpack

A modern format for Haskell packages

@hackage/checkmate

Generate checklists relevant to a given patch

@hackage/BigPixel

Image editor for pixel art

@hackage/hsimport

Extend the import list of a Haskell source file

@hackage/ghc-debugger

A step-through machine-interface debugger for GHC Haskell

@hackage/ip2proxy

IP2Proxy Haskell package for proxy detection.

@hackage/csv-nptools

A collection of CSV tools

@hackage/fathead-util

Utilities for working with DuckDuckHack's FatHead Instant Answers

@hackage/chs-deps

c2hs dependency analyzer

@hackage/hmumps

Interpreter for the MUMPS langugae

@hackage/early

Early return syntax in do-notation (GHC plugin)

@hackage/git-sanity

A sanity checker for your git history.

@hackage/githash

Compile git revision info into Haskell projects

@hackage/keera-hails-mvc-solutions-config

Haskell on Gtk rails - Easy handling of configuration files

@hackage/darcs

a distributed, interactive, smart revision control system

@hackage/hub

For multiplexing GHC installations and providing development sandboxes

@hackage/interlude

Replaces some Prelude functions for enhanced error reporting

@hackage/kdesrc-build-profiles

Build profiles for kdesrc-build

@hackage/borel

Metering System for OpenStack metrics provided by Vaultaire.

@hackage/phoityne

Deprecated - ghci debug viewer with simple editor.

@hackage/policeman

Haskell PVP version adviser

@hackage/urxml

XML parser-printer supporting Ur/Web syntax extensions

@hackage/hs-highlight

A tool to highlight terminal strings

@hackage/ide-backend-common

Shared library used be ide-backend and ide-backend-server

@hackage/strict-impl-params

Plugin for making top-level implicit parameters strict

@hackage/cabal-plan

Library and utility for processing cabal's plan.json file

@hackage/shuffle

Shuffle tool for UHC

@hackage/vcswrapper

Wrapper for source code management systems

@hackage/darcs-cabalized

David's Advanced Version Control System

@hackage/cairo-appbase

A template for building new GUI applications using GTK and Cairo.

@hackage/change-monger

Parse VCS changelogs into ChangeLogs

@hackage/error-location

error functions that show file location information

@hackage/hls-module-name-plugin

Module name plugin for Haskell Language Server

@hackage/lhs2html

Compile lhs in bird style to md, html, hs.

@hackage/floskell

A flexible Haskell source code pretty printer

@hackage/DPM

Darcs Patch Manager

@hackage/ghc-source-gen

Constructs Haskell syntax trees for the GHC API.

@hackage/yi-contrib

Add-ons to Yi, the Haskell-Scriptable Editor

@hackage/hsbencher

Launch and gather data from Haskell and non-Haskell benchmarks.

@hackage/githud

Heads up, and you see your GIT context

@hackage/hpack-convert

Convert Cabal manifests into hpack's package.yamls

@hackage/haskell-lsp-client

A haskell package to build your own Language Server client.

@hackage/hscurses-fish-ex

hscurses swimming fish example

@hackage/dynamic

A dynamic type for Haskell

@hackage/miss

A Haskell git implimentation

@hackage/loch

Support for precise error locations in source files

@hackage/pinchot

Write grammars, not parsers

@hackage/HListPP

A preprocessor for HList labelable labels