Stylecow - CSS processor to fix your css code and make it compatible with all browsers
Fossil - Simple, high-reliability, distributed software configuration management
CSS Next - Use tomorrow’s CSS syntax, today.
Termlets - "1970's style terminal software, for the rest of us."
Garden (Clojure) - Unlike the mini-languages that are other pre/post-processor options, Garden leverages the full power of the Clojure programming language for CSS.
Mercurial SCM - Mercurial is a free, distributed source control management tool.