WordPress 0.7
2003 May 27th
Web developers Matt Mullenweg and Mike Little created the first version of the open source content management system called WordPress 0.7. The publishing system is based on PHP and MySQL technology and is developed under the GNU GPL free software license. The predecessor of WordPress was the b2/cafelog blogging platform. WordPress is currently the most popular content management system, and more than 30% of websites are using it worldwide.