WordPress is a free, open-source content management system (CMS) that allows users to create and manage websites and blogs. It was first released in 2003 and has since become one of the most popular website platforms in the world, powering over 43% of all websites on the internet.

WordPress is known for its flexibility, ease of use, and large community of developers and users who create themes, plugins, and other add-ons to extend its functionality. With WordPress, users can create a wide range of websites, from simple blogs to complex e-commerce sites and everything in between.

Some key features of WordPress include:

• A user-friendly interface for creating and publishing content
• A wide range of themes and plugins that can be used to customize the design and functionality of a website
• Built-in search engine optimization (SEO) features to help improve the visibility of a site in search results
• Support for multiple users and roles, making it easy to collaborate with others on a site
• Regular updates and security features to help protect sites from vulnerabilities and attacks.

WordPress can be used by individuals, small businesses, and large enterprises alike. It is also available in multiple languages and has an extensive online community and documentation to help users get started and troubleshoot issues.