Vorlonjs
A new, open source, extensible, platform-agnostic tool for remotely debugging and testing your JavaScript. Powered by node.js and socket.io
Jscritic
Quickly check how well 3rd party script behaves.
Apitizer
API mocking for client JavaScript applications
Framer
Modern Prototyping Tool
Screenlog.js
Bring console.log on the screen
Thrill
Runs tests in many browsers.
Wire
A light, fast, flexible Javascript IOC container
Monitor.io
remote monitoring and debugging for socket.io
Mimosa
A lightning-fast, modular, next generation browser development tool.
Xv
:x: :heavy_check_mark: A beautifully simple and capable test runner
Generator Mcfly
A Yeoman generator for scaffolding an application using angular, browserify, ionic and famous
Yeoman
Yeoman - a set of tools for automating development workflow
Should.js
BDD style assertions for node.js -- test framework agnostic
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
Phantom Css
Visual/CSS regression testing with PhantomJS
Quixote
CSS unit testing
Intern
A next-generation code testing stack for JavaScript.