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.
Hashgrid
A little tool that inserts a layout grid in web pages, allows you to hold it in place, and toggle between displaying it in the foreground or background.
Wire
A light, fast, flexible Javascript IOC container
Screenlog.js
Bring console.log on the screen
Vorlonjs
A new, open source, extensible, platform-agnostic tool for remotely debugging and testing your JavaScript. Powered by node.js and socket.io
Apitizer
API mocking for client JavaScript applications
Holder
Holder renders image placeholders entirely on the client side.
Thrill
Runs tests in many browsers.
Monitor.io
remote monitoring and debugging for socket.io
Jscritic
Quickly check how well 3rd party script behaves.
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
Intern
A next-generation code testing stack for JavaScript.
Generator Mcfly
A Yeoman generator for scaffolding an application using angular, browserify, ionic and famous
Logerr
Playing with console errors, experimental project.
Chai
BDD / TDD assertion framework for node.js and the browser that can be paired with any testing framework.
Yeoman
Yeoman - a set of tools for automating development workflow