phpMyFAQ is a multilingual, completely database-driven FAQ-system. It
supports various databases to store all data, PHP 4.1.0 (or higher) is
needed in order to access this data. phpMyFAQ also offers a Content
Management-System with a WYSIWYG editor and an Image Manager, flexible
multi-user support with LDAP support, a news-system, user-tracking, language
modules, enhanced automatic content negotiation, templates, extensive
XML-support, PDF-support, a backup-system and an easy to use installation
script.

WWW: http://www.phpmyfaq.de/