Anime.js : Anime.js is a fast, multipurpose and lightweight JavaScript animation library with a simple, yet powerful API.
It works with CSS properties, SVG, DOM ...
Styletron : Styletron is a universal CSS-in-JS engine built from the ground up for high-performance.
Animate.css : Animate.css is a bunch of cool, fun, and cross-browser animations for you to use in your projects.
DD_belatedPNG : better PNG background-image support in IE6