Move.js - Move.js is a mini Javascript library that provides CSS3 animations.
Pixi.js - Fast lightweight 2D library that works across all devices
Magic Animations CSS3 - CSS3 Animations with special effects.
Substance - A JavaScript library for web-based content editing
Anime.js - Lightweight JavaScript animation library
Ceaser - Ceaser is a handy CSS Easing Animation tool for creating any ease imaginable.