Joomla! is a free open source content management system for
publishing content on the World Wide Web and intranets.
The system includes features such as page caching
to improve performance, RSS feeds, printable versions of pages,
news flashes, blogs, polls, website searching, and language
internationalization.
It is written in the PHP programming language and uses the MySQL database by default.
Worth to mention, that Corifey does all kinds of customization for Joomla.
Joomla! is a free open source content management system for
publishing content on the World Wide Web and intranets.
The system includes features such as page caching
to improve performance, 
