Joomla! is a content management system (CMS) used to create and manage websites. It is a free and open source software project released in May 2002. Joomla! is written in the PHP programming language and uses the MySQL database. It is popular among small to medium-sized businesses and is used to power websites for The Guardian, The Huffington Post, and Forbes.
Joomla! is a modular software system, allowing users to install and configure components to create their desired website. Joomla! has an extensible design, allowing users to add their own modules and features. Joomla! has been used to power millions of websites.