Joomla! is written in PHP, uses object-oriented programming (OOP) techniques and software design patterns, stores data in a MySQL database, and includes features such as page caching, RSS feeds, printable versions of pages, news flashes, blogs, polls, search, and support for language internationalization. Joomla! is a free and open source content management system (CMS) for publishing content on the World Wide Web and intranets. It comprises a model-view-controller (MVC) Web application framework that can also be used independently.
Within its first year of release, Joomla had been downloaded 2.5 million times. Between March 2007 and February 2011 there had been more than 21 million downloads. There are over 6,000 free and commercial plug-ins available from the official Joomla! Extension Directory and more available from other sources. Joomla! was the result of a fork of Mambo on August 17, 2005. At that time, the Mambo name was trademarked by Miro International Pvt Ltd. who formed a non-profit foundation with the stated purpose to fund the project and protect it from lawsuits.
The Joomla development team claimed that many of the provisions of the foundation structure went against previous agreements made by the elected Mambo Steering Committee, lacked the necessary consultation with key stake-holders and included provisions that violated core open source values. The Joomla development team created a web site called OpenSourceMatters.org to distribute information to users, developers, web designers and the community in general. A letter was written by the project leader Andrew Eddie which appeared on the announcements section of the public forum at mamboserver.com.
A little more than one thousand people had joined the OpenSourceMatters.org web site within a day, most posting words of encouragement and support, and the web site received the slashdot effect as a result. Miro CEO Peter Lamont gave a public response to the development team in an article titled “The Mambo Open Source Controversy – 20 Questions With Miro”. This event created controversy within the free software community about the definition of “open source”. Forums at many other open source projects were active with postings for and against the actions of both sides.
This event created controversy within the free software community about the definition of “open source”. Forums at many other open source projects were active with postings for and against the actions of both sides. In the two weeks following Eddie’s announcement, teams were re-organized, and the community continued to grow. Eben Moglen and the Software Freedom Law Center (SFLC) assisted the Joomla! core team beginning in August 2005, as indicated by Moglen’s blog entry from that date and a related OSM announcement.