phpMyFAQ is an open source FAQ system using PHP.
phpMyFAQ is a multilingual, completely database-driven FAQ-system. It supports various databases to store all data, PHP 5.3.3 (or higher) is needed in order to access this data. phpMyFAQ also offers a multi-language Content Management-System with a WYSIWYG editor and an Image Manager, flexible multi-user support with user and group based permissions on categories and records, a wiki-like revision feature, a news system, user-tracking, language modules, enhanced automatic content negotiation, templates, extensive XML-support, PDF-support, a backup-system, a dynamic site map, related articles, tagging, RSS feeds, built-in spam protection systems, LDAP support, Twitter and Facebook support and an easy to use installation script.
Various supported database systems
Content Management System
User and group based permissions
LDAP and HTTP authentication with Single Sign On support