Home | Read the Docs: "Read the Docs hosts documentation, making it fully searchable and easy to find. You can import your docs using any major version control system, including Mercurial, Git, Subversion, and Bazaar. It also supports webhooks so your docs get built when you commit code. There's also support for versioning so you can build docs from tagged versions of your code in your repository. You can even create docs on the site. It's free and simple. Read Getting Started and find out how to host your docs on Read the Docs!"