Intern
A next-generation code testing stack for JavaScript.
Roughdraft.js
Quickly create an interactive HTML mock-up by auto sourcing lorem ipsum/images generators, with minimal html markup, and no server side code
Wire
A light, fast, flexible Javascript IOC container
Brjs
BladeRunnerJS (BRJS) is an open source development toolkit and framework for modular construction of large single-page HTML5 apps. It consists of a set of conventions, supporting tools and micro-libraries that make it easy to develop, test, deploy and maintain complex JavaScript apps.
Recoil
Recoil is an experimental state management library for React apps. It provides several capabilities that are difficult to achieve with React alone, while being compatible with the newest features of React.
Should.js
BDD style assertions for node.js -- test framework agnostic
Casper JS
Navigation scripting & testing utility for PhantomJS and SlimerJS
Quixote
CSS unit testing
Logerr
Playing with console errors, experimental project.
Tlapse
📷 Create a timelapse of your web development... or just automatically take screenshots of your hard work ;)
Boomerang
End user oriented web performance testing and beaconing
Bower
A package manager for the web, created at Twitter
Yarn
Fast, reliable, and secure dependency management.
Jasmine Ajax
jasmine-ajax - A library for faking Ajax responses in your Jasmine suite.
Phantom Css
Visual/CSS regression testing with PhantomJS
JSHint
JSHint is a community-driven tool to detect errors in JavaScript code and enforce your team's coding conventions.
Holder
Holder renders image placeholders entirely on the client side.