1. Sphinx is a tool that makes it easy to create intelligent and beautiful documentation, written by...

  2. Collaborative design, instant API mock, generated documentation, integrated code samples, debugging and automated testing

  3. Postman is the most efficient way to test, develop and document APIs.

    freemium $8.0 / Monthly (Per user/month billed annually)

  4. Modern Publishing, Simply taking your books from ideas to finished, polished books.

  5. Spend your time on writing high quality documentation, not on the tools to make your documentation work.

  6. Easy to maintain open source documentation websites

  7. A collaborative developer hub for your API or code.

  8. Codegiant - Issue tracking, git repositories, continuous integration and documentation in a single platform.

  9. Dash is an API Documentation Browser and Code Snippet Manager. Dash searches offline documentation of 200+ APIs and stores snippets of code. You can also generate your own documentation sets.

  10. The #1 software development tool used by agile teams. Jira Software is built for every member of your software team to plan, track, and release great software.

    paid Free Trial $7.0 / Monthly (Above 10 Users)

  11. Intelligent and complete API platform

  12. Bitbucket is a free code hosting site for Mercurial and Git. Manage your development with a hosted wiki, issue tracker and source code.