A full-featured, web-based, multilingual (40+ languages), tightly integrated, all-in-one Wiki+CMS+Groupware, Free Source Software (GNU/LGPL), using PHP, MySQL, Zend Framework, jQuery and Smarty. Tiki can be used to create all kinds of Web applications, sites, portals, knowledge base, intranets, and extranets. It is actively developed by a very large international community.
Tiki is the FOSS Web Application with the most built-in features. Highly configurable and modular, all features are optional and administered via a web-based interface.