Joomla is a wonderful CMS. It is free and community supported! But, it does take a while to understand the concepts and know where to go to customize your site. Joomla official web site
Joomla is a free and open source content management framework (CMF) for publishing content on the World Wide Web and intranets and a model–view–controller (MVC) Web application framework that can also be used independently.
Joomla is written in PHP, uses object-oriented programming (OOP) techniques and software design patterns, stores data in a MySQL or (since version 2.5) MS SQL database,[5] and includes features such as page caching, RSS feeds, printable versions of pages, news flashes, blogs, polls, search, and support for language internationalization.
