Spa Eye
Backbone debugger for Firefox
Phantom Css
Visual/CSS regression testing with PhantomJS
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.
Fast Check
Property based testing framework for JavaScript (like QuickCheck) written in TypeScript
Bluebird
Bluebird is a full featured promise library with unmatched performance.
Tlapse
📷 Create a timelapse of your web development... or just automatically take screenshots of your hard work ;)
Jquery Mockjax
The jQuery Mockjax Plugin provides a simple and extremely flexible interface for mocking or simulating ajax requests and responses
Cypress
Fast, easy and reliable testing for anything that runs in a browser.
Shipit
Universal automation and deployment tool written in JavaScript.
Jasmine Ajax
jasmine-ajax - A library for faking Ajax responses in your Jasmine suite.
Yarn
Fast, reliable, and secure dependency management.
Csscomb.js
CSS coding style formatter
Bower
A package manager for the web, created at Twitter
Holder
Holder renders image placeholders entirely on the client side.
Framer
Modern Prototyping Tool
Nock
HTTP mocking and expectations library
Logerr
Playing with console errors, experimental project.