Stacktrace.js
Framework-agnostic, micro-library for getting stack traces in all web browsers
Grunt
Grunt: The JavaScript Task Runner
Headstart
An automated front-end setup
Prettydiff
Compare code instead of text.
Broccoli
Browser compilation library – a build tool for applications that run in the browser
Shipit
Universal automation and deployment tool written in JavaScript.
Ampersand
Quickest way to get started with ampersand.
Sinon.js
Test spies, stubs and mocks for JavaScript.
Testcafe
A Node.js tool to automate end-to-end web testing.
Faker.js
generate massive amounts of fake data in Node.js and the browser