book development and publishing framework for authors, editors. * [Eeepub](https://github.com/jugyo/eeepub) - EeePub is a Ruby ePub generator. * [Gepub](https://github.com/skoji/gepub) - A generic EPUB library for Ruby : supports EPUB 3. * [Git Scribe](https://github.com/schacon/git-scribe)