Browserhacks An extensive list of browser specific CSS and JavaScript hacks from all over the interwebs. CSS Javascript
animo.js A powerful little tool for managing CSS animations. Stack animations, create cross-browser blurring, set callbacks on animation completion, make magic. CSS Javascript
UIKit A lightweight and modular front-end framework for developing fast and powerful web interfaces. CSS HTML
Cardinal A “mobile first” CSS framework with scalable typography, reusable modules, responsive grid system. CSS
Button X A CSS generator that allows you to create beautiful and stylish CSS-only buttons in seconds. CSS