WordPress is a content management system (CMS) based on PHP and MySQL used to power millions of websites and blogs worldwide. WordPress is free and open-source software released under the GPL. WordPress is a very versatile platform and can be used for various websites and applications. WordPress started as a simple blogging platform but has since evolved into a powerful CMS that can be used for much more than just blogging. WordPress is used by some of the largest companies and organizations in the world, including The Guardian, Forbes, and The New York Times. WordPress is also used by many small businesses and individuals who want a simple, easy-to-use, and affordable way to build and maintain a website or blog.