A small JS library that makes it possible to trace function calls.

History.js gracefully supports the HTML5 History/State APIs (pushState, replaceState, onPopState) in all browsers. Including continued support for data, titles, replaceState. Supports jQuery, MooTo…

A localStorage adapter for Backbone.js

Modernizr is a JavaScript library that detects HTML5 and CSS3 features in the user’s browser.

An open standard for sound, interoperable JavaScript promises—by implementers, for implementers.

Check Code Style and more, for CSS

Hot code loading for node.js

🍟 The definitive front-end performance guide

native javascript class and methods to create dom objects

Lamer News -- an HN style social news site written in Ruby/Sinatra/Redis/JQuery

Unofficial GitHub repo for http://osteele.com/sources/javascript/functional/ by Oliver Steele

A functional wrapper for javascript

Key/value store for the browser

Web Inspector allow you debug Javascript right in the editor

JavaScript Style Guide

Real-time ASCII representation of your webcam video stream, using the getUserMedia API.

source for learnlayout.com

The original official jQuery Templates plugin. This project was maintained by the jQuery team as an official jQuery plugin. It is no longer in active development, and has been superseded by JsRender.

A front-end framework for building html5 mobile apps with a native look and feel.

A javascript library providing cross-browser, cross-site messaging/method invocation.

EvaEngine Front-end CSS/Js 3rd libs

javascript fulltext search engine library

jQuery style Deferreds for Underscore

ECMAScript 5 compatibility shims for legacy (and modern) JavaScript engines