Joomla

Developer's DescriptionBy Open Source MattersBuild Web sites and online applications based on content management system.Joomla is an open source content management system for building professional Web sites. It can deliver a robust enterprise-level Web site, empowered by endless extensibility for your bespoke publishing needs. Joomla is different from the normal models for content management software. For a start, it's not complicated. Joomla has been developed for everybody, and anybody can develop it further. Similarly to the Firefox browser, the core system can be extended via installable add-ons authored by the developer community.