Sprint.js is a high-performance, lightweight DOM library for modern browsers. Sprint notably shines on bandwidth and resource constrained devices such as phones and tablets.
Sprint has a familiar, jQuery-like chainable API.
Dragula is a javascript library that just works and that doesn't depend on bloated frameworks.
Features
twgl.js library's sole purpose is to make using the WebGL API less verbose.
Beep.js is a JavaScript toolkit for building browser-based synthesizers using the WebAudio API.
Space.js is a HTML-driven JavaScript-library for narrative 3D-scrolling. The library is HTML-driven, which means that you don't need to write a single line of JavaScript to use it on your site and still have a lot of flexibility
tauCharts is a Javascript charting library with a focus on design and flexibility. It's open source and based on D3.js
is.js is a general-purpose check library without any dependency. You can check types, regexps, presence, time and more...
FormatJS is a modular collection of JavaScript libraries for internationalization that are focused on formatting numbers, dates, and strings for displaying to people. It includes a set of core libraries that build on the JavaScript Intl built-ins and industry-wide i18n standards, plus a set of integrations for common template and component libraries.
css.js is a lightweight, battle tested, fast, css parser in JavaScript. It’s open source.
snabbt.js is a minimalistic javascript animation library. It focuses on moving things around. It will translate, rotate, scale, skew and resize your elements. By including matrix multiplication operations, transforms can be combined in any way you want. The end result is then set via CSS3 transform matrices.
Fancy Form is JavaScript Form library on jQuery. It is possible to do validation, ajax submit ajax, to add your own types of validation very easy over RegExp and function.
decimal.js is an arbitrary-precision Decimal type for JavaScript.
Features
toExponential, toFixed, toPrecision and toString methods of JavaScript's Number typetoFraction and correctly-rounded exp, ln, log and sqrt functions
Vivus is a little JavaScript class to make drawing animation with SVGs in a webpage. Different animations are available, even scripting the entire SVG to do whatever you want.
zip.js is an open-source javascript library for zipping and unzipping files.
zip.js provides a low-level API for writing and reading large zip files. This library works fully with Chrome, Firefox, Safari 6 and Internet Explorer 10.
Pegasus is a simple JavaScript solution to improve your average time to display data. Using this technique, you can reduce the time to display data in single page apps without touching the server.
It works in all major browsers and IE7+
