Bluebird
Bluebird is a full featured promise library with unmatched performance.
Jasmine Ajax
jasmine-ajax - A library for faking Ajax responses in your Jasmine suite.
Blaver
A JavaScript library built on top of the Faker.JS library. It generates massive amounts of fake data in the browser and node.js.
Yarn
Fast, reliable, and secure dependency management.
Cypress
Fast, easy and reliable testing for anything that runs in a browser.
Angular Debaser
Just a better way to test AngularJS apps.
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.
Js Cover
JSCover is a tool that measures code coverage for JavaScript programs.
Nock
HTTP mocking and expectations library
Jasmine
DOM-less simple JavaScript testing framework
Gulp
The streaming build system
Bower
A package manager for the web, created at Twitter
Stacktrace.js
Framework-agnostic, micro-library for getting stack traces in all web browsers
Phantom Css
Visual/CSS regression testing with PhantomJS
Should.js
BDD style assertions for node.js -- test framework agnostic
Csscritic
A lightweight framework for regression testing of Cascading Style Sheets