Propellor is a configuration management system using Haskell and Git. Each system has a list of properties, which Propellor ensures are satisfied.

Stackage is a stable source of Haskell packages. We guarantee that packages build and pass tests before generating nightly and LTS releases.

This is the online home of the book “Real World Haskell”. It is published by O'Reilly Media. The first edition was released in November 2008.

Call Haskell functions from Python! HaPy is set of Haskell bindings for Python. Initially written in 2011 as a final project for Stanford's CS240H Haskell class by Ashwin Siripurapu, William Rowan, and David Fisher. Now rewritten mostly from scratch by David Fisher with different tradeoffs (gaining far more stability at the expense of initial setup).