Trace Kit
Attempts to create stack traces for unhandled JavaScript exceptions in all major browsers.
Yarn
Fast, reliable, and secure dependency management.
Gulp
The streaming build system
Cypress
Fast, easy and reliable testing for anything that runs in a browser.
Angular Debaser
Just a better way to test AngularJS apps.
Protractor
E2E test framework for Angular apps
Nightwatch
UI automated testing framework based on node.js and selenium webdriver
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
Pioneer
Integration Testing
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
Csscritic
A lightweight framework for regression testing of Cascading Style Sheets
Hotel
Start apps from your browser and get local domains without editing /etc/hosts http://i.imgur.com/DrLjbIi.gif
Browser Sync
Keep multiple browsers & devices in sync when building websites. http://browsersync.io