The Free / Libre / Open Source Web App with the most built-in features
Browser extension for viewing archived and cached versions of websites
Our support forum has moved: community.bluespice.com
WackoWiki is a light and easy to install multilingual Wiki-engine.
A web forum written in PHP using a selectable SQL backend
A Leiningen plugin for a superior development environment
Free Joomla! plugin to create a simple image gallery.
Piggydb helps you have more fun with knowledge creation.
Lightweight extensible wiki engine
Wiki .net is a simple and open source wiki engine running on Asp.Net
Pye - Javascript Engine For Drawing Fast, Fluid and Dynamic Pie Charts
Small and Simple Wiki