Shifty
A teeny tiny tweening engine in JavaScript. That's all it does.
Vivus
JavaScript library to make drawing animation on SVG
Popmotion
A 12kb Javascript motion engine. Use for animation, physics and input tracking.
Walkway
An easy way to animate SVG elements.
Snabbt.js
Fast animations with javascript and CSS transforms
Granim.js
Create fluid and interactive gradients animations with this small (< 10 kB) js library.
Move.js
CSS3 backed JavaScript animation framework
Dynamics.js
Javascript library to create physics-based CSS animations
Bounce.js
Create beautiful CSS3 powered animations in no time.
Anime
Javascript Animation Engine
jQuery.terminal
jQuery Terminal Emulator - JavaScript library for creating web-based terminals with custom commands