WordPress is a free and open source blogging tool and a dynamic content management system (CMS) based on PHP and MySQL. It has many features including a plug-in architecture and a template system.
WordPress is used by over 14.7% of Alexa Internet?s ?top 1 million? websites and as of August 2011 manages 22% of all new websites. WordPress is currently the most popular CMS in use on the Internet.
WordPress Themes are files that work together to create the design and functionality of a WordPress site. Each Theme may be different, offering many choices for site owners to instantly change their website look.