CSS - Cruncher

css

Recess

https://css.github.io/csso/csso.html
http://refresh-sf.com/
http://csslint.net/
http://www.sitepoint.com/video-using-css-stats-to-remove-bloated-css/
CSS Duster
http://www.sitepoint.com/an-introduction-to-postcss
http://www.sitepoint.com/improving-the-quality-of-your-css-with-postcss/
http://www.sitepoint.com/cleaning-up-a-css-codebase/
http://www.cleancss.com/css-minify/