Element Transitions.js
Simple transitions for web pages
Victor
A JavaScript 2D vector class with methods for common vector operations
Jmpress.js
A jQuery plugin to build a website on the infinite canvas
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!
Slidr
add some slide effects.
Anima
CSS animations with a soul
React Easy Flip
⚛ A React library for smooth FLIP animations. Easily animate originally unanimatable properties like DOM positions with one hook.
Magic
CSS3 Animations with special effects
Loaderz
:zap: A very easy-to-use, blazing fast asset-loader using promises. Support older-browsers and preload images, audios and videos.
Pace
Automatically add a progress bar to your site. #hubspot-open-source
Between.js
Lightweight JavaScript (ES6) tweening engine
Snabbt.js
Fast animations with javascript and CSS transforms
Skrollr Decks
skrollr plugin for fullpage presentation decks
Imagehover.css
A Scaleable & Light Image Hover CSS Library
Svg Morpheus
JavaScript library enabling SVG icons to morph from one to the other. It implements Material Design's Delightful Details transitions.
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.