Zoomooz
An easy-to-use jQuery plugin for making zooming web pages.
Jmpress.js
A jQuery plugin to build a website on the infinite canvas
Gfx
CSS3 3D animation library
Sprite.js
An efficient javascript sprite animation framework
Jquery Transit
Super-smooth CSS3 transformations and transitions for jQuery
Caat
Canvas Advanced Animation Toolkit
Lwf
LWF - Lightweight SWF
Move.js
CSS3 backed JavaScript animation framework
Skrollr
Stand-alone parallax scrolling library for mobile (Android + iOS) and desktop. No jQuery. Just plain JavaScript (and some love).
Motio
Small JavaScript library for sprite based animations and panning.
Element Transitions.js
Simple transitions for web pages
Animatelo
Animatelo is a bunch of cool, fun, and cross-browser animations for you to use in your projects. This is a porting to Web Animation API of the fabulous animate.css project.
Pace
Automatically add a progress bar to your site. #hubspot-open-source
Skrollr Decks
skrollr plugin for fullpage presentation decks
Laxxx
Simple & light weight (3kb minified & zipped) vanilla javascript plugin to create smooth & beautiful animations when you scrolllll! Harness the power of the most intuitive interaction and make your websites come alive!
Walkway
An easy way to animate SVG elements.