Middleman is a static site generator using all the shortcuts and tools in modern web development.

Monstra is a modern and lightweight Content Management System. It is Easy to install, upgrade and use.

Nesta is a Ruby CMS for developers and designers.

Nibbleblog is a powerful engine for creating blogs, all you need is PHP to work.

With Parvula you can create a quick website from markdown files.

PhileCMS is a file-driven CMS. Powered By Markdown And Twig. But You Can Change That.