WordPress.com is a free, open-source content management system (CMS) used for creating websites, blogs, and online stores.It is designed to be easy to use, even for beginners, and has a large community of users and developers who contribute to its growth and improvement.WordPress.com offers a variety of features, including easy installation, a user-friendly interface, customization options, and support for plugins and themes.It is suitable for both personal and professional use, and is used by millions of websites worldwide.