Anime.js : Anime.js is a fast, multipurpose and lightweight JavaScript animation library with a simple, yet powerful API.
It works with CSS properties, SVG, DOM ...
D3.js : D3.js is a JavaScript library for manipulating documents based on data. D3 helps you bring data to life using HTML, SVG and CSS. D3’s emphasis on web ...
yepnope.js : A Conditional Loader For Your Polyfills!
rsvp.js : A lightweight library that provides tools for organizing asynchronous code
Band.js : An interface for the Web Audio API that supports rhythms, multiple instruments, repeating sections, and complex time signatures.
Filtrr2 is a JavaScript image manipulation library. Think of it as Instagram filters on the browser. It uses the <canvas> element to paint filtered pictures in the place of normal pictures on your website.