Joomla!

Joomla! is a free, open source content management system used to publish web content. Joomla is written in PHP, uses object-oriented programming (OOP) techniques and stores data in a MySQL, MS SQL, or PostgreSQL database. Included features are page caching, RSS feeds, printable versions of pages, news flashes, blogs, polls, a search function, and support for language internationalization. Its dashboard organizing administrator tasks into context menus, from which content is edited, permissions set and changed, contacts managed, and messages sent to users. Extensions modify functionality in widely varying ways and provide flexibility.