Highly Modular CMS framework includes: Wiki, Articles / News, phpBB Forum Bulletin Board, Blogs, Image Photo Gallery, ... includes TikiWiki upgrader. Databases supported: MySQL, Postgres, Oracle, Firebird, IIS/MS-SQL for PHP on Windows or Linux.
Small and Simple Wiki
Wikepage is a small wiki - blog hybrid site generator written in PHP. It runs without a database. It has i18n support, multilanguage site support, password protected pages, table support, css styling, RSS output, and alot of other features
CMSWare is a powerful and lightweight content managament system for developers.