Tiki is full featured content management system suited to many types of online communities. Features include news, topics, wiki, polls, trackers, image galleries, froums, blogs, webmail, and much more. Written in PHP and MySQL. This release includes a lot of new features: Surveys, Trackers, Newsletters, Webmail. Many security improvements and settings including challenge response authentication. Improvements to the wiki, automatic upload for pictures, import/export pages. Batch uploads for file galleries and many other improvements. New themes added, new languages added and many bugs fixed.