Csscomb.js
CSS coding style formatter
Jasmine Ajax
jasmine-ajax - A library for faking Ajax responses in your Jasmine suite.
Protractor
E2E test framework for Angular apps
Casper JS
Navigation scripting & testing utility for PhantomJS and SlimerJS
Angular Debaser
Just a better way to test AngularJS apps.
Yarn
Fast, reliable, and secure dependency management.
Nightwatch
UI automated testing framework based on node.js and selenium webdriver
Trace Kit
Attempts to create stack traces for unhandled JavaScript exceptions in all major browsers.
Bower
A package manager for the web, created at Twitter
Js Cover
JSCover is a tool that measures code coverage for JavaScript programs.
Gulp
The streaming build system
Fast Check
Property based testing framework for JavaScript (like QuickCheck) written in TypeScript
Spa Eye
Backbone debugger for Firefox
Csscritic
A lightweight framework for regression testing of Cascading Style Sheets
Nock
HTTP mocking and expectations library
Stacktrace.js
Framework-agnostic, micro-library for getting stack traces in all web browsers
Headstart
An automated front-end setup