Universal markup converter

REST API for any Postgres database

Parsing, analyzing, and comparing source code across many languages

A statically typed lisp, without a GC, for real-time applications.

Language, engine, and tooling for expressing, testing, and evaluating composable language rules on input strings.

Cryptographic currency implementing Ouroboros PoS protocol

Building a modern functional compiler from first principles. (http://dev.stephendiehl.com/fun/)

Functional Programming concepts, examples and patterns illustrated in Haskell, Ocaml and Python

Haskell 101 and 102: slides and codelabs

Haskell IDE

Accompanying Source Code for the Haskell Data Analysis Cookbook

A Web Browser written with Haskell