Joomla! is an open source content management system (CMS). Joomla!'s powerful application framework makes it easy for developers to create sophisticated add-ons that extend the power of Joomla! into virtually unlimited directions. The core Joomla! framework enables developers to quickly and easily build Inventory control systems, Data reporting tools, Custom product catalogs, Integrated e-commerce systems, Complex business directories, Reservation systems, Communication tools and many more. Since Joomla! is based on PHP and MySQL, you're building powerful applications on an open platform anyone can use, share, and support.