15/06/2015

• Selectivizr : CSS3 pseudo-class and attribute selectors for IE 6-8
• AOS : Animate On Scroll Library. Small library to animate elements on your page as you scroll.
• Sizzy : A tool for developing responsive websites crazy-fast. Open sourced : https://github.com/kitze/sizzy
• ProCSSor : Advanced CSS Prettifier
• csscss : csscss will parse any CSS files you give it and let you know which rulesets have duplicated declarations.