WordPress is a content management system (CMS) that is widely used for creating and managing websites. It is an open-source platform, which means that the source code is available for anyone to use and modify. WordPress is easy to use and has a large community of users and developers who contribute to the platform. It is a flexible and customizable platform that can be used for a wide range of websites, from simple blogs to complex e-commerce sites. WordPress is built with PHP and MySQL and is known for its ease of use and search engine friendly features.