- The purely lazy functional programming language.
- Haskell Wikibook
- The Haskell wikibook, hosted on the wikibooks project. The goal is to build a community textbook about Haskell that is at once free (as in freedom and in beer), gentle, and comprehensive. Contributors most welcome!
- The Fun of Programming
- A marvelous collection (book) of fun articles about Haskell and programming with it.