Logerr
Playing with console errors, experimental project.
Intern
A next-generation code testing stack for JavaScript.
Yeoman
Yeoman - a set of tools for automating development workflow
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.
Casper JS
Navigation scripting & testing utility for PhantomJS and SlimerJS
Quixote
CSS unit testing
Jquery Mockjax
The jQuery Mockjax Plugin provides a simple and extremely flexible interface for mocking or simulating ajax requests and responses
Boomerang
End user oriented web performance testing and beaconing
Should.js
BDD style assertions for node.js -- test framework agnostic
Mimosa
A lightning-fast, modular, next generation browser development tool.
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
Protractor
E2E test framework for Angular apps
JSHint
JSHint is a community-driven tool to detect errors in JavaScript code and enforce your team's coding conventions.