Simple & Free Wiki Software
The DokuWiki Open Source Wiki Engine
PukiWiki is used by many users, a light and high functional Wiki clone
Our support forum has moved: community.bluespice.com
WackoWiki is a light and easy to install multilingual Wiki-engine.
Project management web application
Open Source Enterprise Wiki and Web Application Platform
Make robots for MediaWiki-powered sites!
A simple, easy to use C# API for Ninjawords.com
Open source platform to write and publish print and digital books
The Halo extension extends MediaWiki and Semantic Mediawiki