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

A JavaScript implementation of various web standards, for use with Node.js

Simple JavaScript testing framework for browsers and node.js

A package manager for the web

Dynamic ES module loader

A file and module loader for JavaScript

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…

E2E test framework for Angular apps

Micro client-side router inspired by the Express router

A next-generation package manager for the front-end

Runs RequireJS in Node and Rhino, and used to run the RequireJS optimizer

jQuery matchers and fixture loader for Jasmine framework

Integration of Jasmine Spec framework with Node.js

Bootstrap support for Django projects

More popular than Git*ub

Simple JavaScript undo and redo independent of other libraries

Cocktail: DRY up your backbone code with mixins

Source code for the "Backbone.Marionette.js: A Gentle Introduction" book available at https://leanpub.com/marionette-gentle-introduction

Marionette-Require-Boilerplate

AngularJS 1.x + SystemJS Seed

A Karma plugin. Launch any browser on BrowserStack!

Simple Handlebars loader plugin for RequireJS

Package to integrate Jasmine with Django

Delicious example using Socket.IO to publish and receive messages over AMQP

Report Karma test runner results to OSX Notification Center

A node.js readable stream for mtgox. Ticker, depth, trade and lag data in real time.

Run your jasmine runner.html headless using node.js. Output the results in several formats including JSON and JUnit XML (good for integration with Jenkins CI).

Using facets with MongoDB and Mongoose

Assemble engine plugin for processing mustache templates

Django integration of JsTestDriver