Zenscroll
A JavaScript module to smooth-scroll web pages and other scrollable elements
Walkway
An easy way to animate SVG elements.
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
Elevator.js
Finally, a "back to top" button that behaves like a real elevator.
Motus
Animation library that mimics CSS keyframes when scrolling.
Granim.js
Create fluid and interactive gradients animations with this small (< 10 kB) js library.
Dynamics.js
Javascript library to create physics-based CSS animations
Anime
Javascript Animation Engine
jQuery.terminal
jQuery Terminal Emulator - JavaScript library for creating web-based terminals with custom commands