Freebie: Content Management System (CMS)
Terms of use : open source, GNU General Public License
File format: php, mysql
Website: http://www.joomla.org
Site feature: Joomla build with object-oriented programming (OOP) techniques, the CMS support rich module and component. As of April 2012, the downloads hit more than thirty million. With over 10,000 of free and commercial component, user can easily make Joomla turn into any platform such as e-commerce, catalog, website, blog, event management...
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