Haskell is a "purely-functional" programming language; HOpenGL is an OpenGL language binding for the Haskell language. Includes latest releases, documentation, screen shots and source code in both C and Haskell.

Projects and publication of research group at the Yale University.

Repository for information on the lazy functional programming language Haskell: Descriptions, documents, history, news, HaWiki, software (libraries, tools), humor, merchandise, and links.

Search engine for the Haskell standard libraries (Prelude, List, Array, etc). Search by function name, or type signature. Gives examples and overviews of many functions.

An Emacs mode currently supporting font locking, declaration scanning, documentation, indentation, hugs interaction.

Provides fontification and cooperation with Hugs, by Chris Van Humbeeck.

Syntax highlighting mode for Vim, by John Williams.

Syntax highlighting for literate Haskell scripts for the editor Vim by John Williams.

A tutorial for people with a background in imperative languages like C, C++, Java or Python.

A tutorial site for Haskell aimed at programmers used to imperative languages (such as C).