Bluebird
Bluebird is a full featured promise library with unmatched performance.
Nightwatch
UI automated testing framework based on node.js and selenium webdriver
Spa Eye
Backbone debugger for Firefox
Jasmine Ajax
jasmine-ajax - A library for faking Ajax responses in your Jasmine suite.
Js Cover
JSCover is a tool that measures code coverage for JavaScript programs.
Yarn
Fast, reliable, and secure dependency management.
Jasmine
DOM-less simple JavaScript testing framework
Gulp
The streaming build system
Angular Debaser
Just a better way to test AngularJS apps.
Pioneer
Integration Testing
Phantom Css
Visual/CSS regression testing with PhantomJS
JSHint
JSHint is a community-driven tool to detect errors in JavaScript code and enforce your team's coding conventions.
Trace Kit
Attempts to create stack traces for unhandled JavaScript exceptions in all major browsers.
Csscritic
A lightweight framework for regression testing of Cascading Style Sheets
Protractor
E2E test framework for Angular apps
Stacktrace.js
Framework-agnostic, micro-library for getting stack traces in all web browsers
Bower
A package manager for the web, created at Twitter