Ruby on Rails - Ruby on Rails is an open source full-stack web application framework for the Ruby programming...
GitBook - Modern Publishing, Simply taking your books from ideas to finished, polished books.
ASP.NET - ASP.NET is a free web framework for building great Web sites and Web applications using HTML, CSS and JavaScript.
MkDocs - Project documentation with Markdown.
Scotty - Scotty is a Haskell framework inspired by Ruby's Sinatra.
Docusaurus - Easy to maintain open source documentation websites