Move.js - Move.js is a mini Javascript library that provides CSS3 animations.
Anime.js - Lightweight JavaScript animation library
Ceaser - Ceaser is a handy CSS Easing Animation tool for creating any ease imaginable.
Pixi.js - Fast lightweight 2D library that works across all devices
RAWGraphs - RAWGraphs is an open source app built with the goal of making the visualization of complex data...
Substance - A JavaScript library for web-based content editing