Official Haskell IDE support via the language server protocol (LSP)

The engine for haskell ide-integration. Not an IDE

🍜 A tasty Haskell web framework

Servant is a Haskell DSL for describing, serving, querying, mocking, documenting web applications and more!

A formatter for Haskell source code

Minimal implementations for dependent type checking and elaboration

🌀 Safe, performant, user-friendly and lightweight Haskell standard library

Updating nixpkgs packages since 2018

An easy to use, fast extensible effects library with seamless integration with the existing Haskell ecosystem.

A drop-in replacement for nix-serve that is faster and more reliable

High performance type safe html generation

Text lenses using PCRE regexes

Strict markdown processor for writers

Scrap your hand-rolled aeson instances

Compile Dhall expressions to Cabal files

A higher-order effect system where the sky's the limit

A tool suite to aid Haskell development using `cabal-install`

Featherlight benchmark framework, drop-in replacement for criterion and gauge.

👑 Format Haskell package descriptions.

Staged push/pull fusion with typed Template Haskell

A Typeclass for user-facing output

👅 Parse Haskell Language Extensions

Haskell/Nix development build tools

An efficient graph library for Haskell

Literally the best anonymous records

A library for parsing and validating webauthn/fido2 credentials

Override instances used by Haskell's generic derivation

Eventually a practical 2-level TT-based compiler

Folds for recursive types with GHC Generics