Tiki is a web-based, multilingual, wiki and content management system (CMS) tightly integrated with a comprehensive set of groupware features. It is Free / Libre / Open Source Software (FLOSS) created by a large, international development team.
Tiki includes hundreds of well integrated features - in most situations Tiki "does it all", you do not need to find other software to fill in a missing piece. Because of this, with Tiki you can easily create all types of collaborative application: web sites, portals, knowledge bases, and intranets and extranets. Tiki's web-based, graphical interface makes it easy to configure the features you need. Tiki's enormous set of features allows you to have the confidence that it will adapt well to all your requirements now and in the future.