Joomla! is a type of content management system. It is operating with cross-platform system. Joomla! is developed by The Joomla! Core Team. It is released on November 4, 2009. It has a license from GNU General Public License.
Joomla! was come as the result of the fork of Mambo by the development team on August 17, 2005. Few years later, the Mambo name was trademark and it was formed a non-profit foundation which have many purposes to fund the project and to protect the project from lawsuits.
The development team which created a website named OpenSourceMatters gives information to many users, developers, web designer, and many web design communities in general. They develop Joomla! for many years with many versions. And the latest version was released on November 4, 2009.