This week included significant updates to Bootstrap and CoffeeScript. In addition, NodeJX, srcN-polyfill and extractCSS were new projects that seemed to garner a lot of attention.

Bootstrap 3.1.0 was released and includes three new templates: Blog, Cover, and Dashboard.
Bootstrap

NodeJX is a fork of Node.js that supports multithreading.
What is nodeJX?

The srcN-polyfill is a responsive images polyfill that mimics the proposed srcN syntax.
srcn-Polyfill

vue.js is a module friendly JavaScript library providing MVVM data bindings.
vue.js

extractCSS is a tool that extracts ids, classes and inline styles from a HTML document and outputs as a stylesheet.
extractCSS - Online CSS Extractor

CoffeeScript 1.7 includes a number of improvements including improved error message, source maps and stack trackes.
CoffeeScript

veinjs is a jQuery plugin that injects CSS definitions into a document dynamically.
veinjs

Oimo.js is a 3D physics engine for JavaScript based on OimoPhysics for ActionScript 3.0.
Oimo.js

Hackify is a collaborative, cloud-based IDE that is built on Node and installed via npm.
Hackify

EdisonJS is a JavaScript router that encourages building single-page applications as a series of parent-child relationships.
EdisonJS

Spectra is a JavaScript library for manipulating and converting colors.
Spectra