Web Animations Polyfill JavaScript implementation of the Web Animations API.

WAAPI Browser Support Test (+ Polyfill) Tests browser support for Web Animations API with the Polyfill included.

Are we animated yet? Tracks the progress of implementing the Web Animations API in Firefox.

Web Animations API A new JavaScript API for driving animated content on the web.

Web Animation Past, Present, and Future (2016) Explores web animation standards, platforms and tools.

Twitter Fave Animation Recreates the animation using a series of images with CSS animation steps.

Tween.js Super simple, fast and easy to use tweening engine which incorporates optimised Penner’s equations.

Textillate.js Textillate.js combines some libraries to provide a plugin for applying CSS3 animations to any text.