Developer: WordPress Foundation
Initial release: May 27, 2003
Stable release: 3.5.2 / June 21, 2013
Preview release: 3.6 Beta 3 / May 11, 2013
Development status: Active
Operating system: Cross-platform
Type: Blog software
License: GNU GPLv2 (or later) Website: wordpress.org
WordPress is a free and open source blogging tool and a content management system (CMS) based on PHP and MySQL which runs on a Web hosting service. Features include 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 blogging system in use on the Web, powering over 60 million websites worldwide.
It was first released on May 27, 2003, by founders Matt Mullenweg and Mike Little as a fork of b2/cafelog. As of April 2013, version 3.5 had been downloaded over 18 million times.
After the release of WordPress 3.0, the development team took a release cycle off from the WordPress software to focus on expanding and improving the WordPress community. WordPress 3.1 was subsequently released in February, 2011. With version 3.2, released on July 4, 2011, the minimum requirement PHP version and MySQL were raised as well.
Licensed under the GNU Free Documentation License. It uses materials from the Wikipedia.