Read the Docs is a documentation hosting platform that simplifies the process of building, versioning, and hosting documentation for software projects. By connecting to repositories on platforms like GitHub, Read the Docs automatically generates documentation using various tools and formats such as Sphinx or MkDocs. It supports multiple versions of documentation, making it easier for developers to manage and update content as their projects evolve. The platform is designed to improve accessibility and collaboration by providing a centralized location for users to read, search, and contribute to documentation.