The Game of Life
- Life: A Clean Programming Tutorial and Case Study. Tutorial for this functional language, in the form of a stepwise development of 2 programs to animate Conway's Game of Life.
- http://members.ozemail.com.au/~dekker/life/LIFE.HTML

Sparkle
- Clean theorem prover, can help prove partial correctness of programs, or useful traits of parts of programs; proof process uses hint mechanism, suggests proof actions to user; windowing user interface shows content graphically in windows that can be resiz
- http://www.cs.ru.nl/Sparkle/

Clean
- The Software Technology Research Group develops this pure, lazy functional programming language, with hybrid static/dynamic typing, and Integrated Development Environment (IDE) with syntax coloring editor; descriptions, papers, software downloads.
- http://clean.cs.ru.nl/

Wikipedia: Clean Programming Language
- Encyclopedia article, with links to many related topics.
- http://en.wikipedia.org/wiki/Clean_(programming_language)

Clean Game Library
- Full development system for 2D games: arcade, side scrollers, platform games.
- http://cleangl.sourceforge.net/