Flippant.js
A mini dependancy-less UI lib for flipping over DOM nodes.
Scroll Magic
The jQuery plugin for magical scroll interactions.
Walkway
An easy way to animate SVG elements.
Bounce.js
Create beautiful CSS3 powered animations in no time.
Elevator.js
Finally, a "back to top" button that behaves like a real elevator.
Anima
CSS animations with a soul
Popmotion
A 12kb Javascript motion engine. Use for animation, physics and input tracking.
Shifty
A teeny tiny tweening engine in JavaScript. That's all it does.
Sysend.js
Web application synchronization between different tabs
Motus
Animation library that mimics CSS keyframes when scrolling.
jQuery.terminal
jQuery Terminal Emulator - JavaScript library for creating web-based terminals with custom commands