Klass
a utility for creating expressive classes in JavaScript
Flippant.js
A mini dependancy-less UI lib for flipping over DOM nodes.
Autolink Js
Tiny little tool to find URLs in a string of text and hyperlink them
Sea.js
A Module Loader for the Web
Packery
bin-packing layout library
Node Decorators
node-decorators
Bootstrap Daterangepicker
Date range picker component for Bootstrap
Velocity
Accelerated JavaScript animation.
Layr
Dramatically simplify full‑stack development
Display Js
A simple JavaScript framework for building ambitious UIs 😊
Zenscroll
A JavaScript module to smooth-scroll web pages and other scrollable elements
Fluxible
A pluggable container for isomorphic flux applications
Famous
Famo.us is a powerful JavaScript framework designed to build rich, interactive web applications. It is the only framework that provides an open source 3D layout engine fully integrated with a 3D physics-based animation engine that can render to DOM, Canvas, or WebGL. Famo.us is currently in public beta.
Bricks.js
A blazing fast masonry layout generator for fixed width elements.
Validate.js
Lightweight JavaScript form validation library inspired by CodeIgniter.
Montage
Core framework: Montage simplifies the development of rich HTML5 applications by providing modular components, real-time two-way data binding, CommonJS dependency management, and many more conveniences. Join us on irc.freenode.net#montage or https://groups.google.com/d/forum/montagejs
Stacktrace.js
Framework-agnostic, micro-library for getting stack traces in all web browsers