Joomla

Joomla is an award-winning content management system (CMS) from http://www.joomla.org, which enables you to build Web sites and powerful online applications. Many aspects, including its ease-of-use and extensibility, have made Joomla the most popular Web site software available. Best of all, Joomla is an open source solution that is freely available to everyone.

Note: you create an account with Joomla to use the application.