yepnope.js : A Conditional Loader For Your Polyfills!
Enzyme : Enzyme is a JavaScript Testing utility for React that makes it easier to assert, manipulate, and traverse your React Components' output.
Chai : Chai is a BDD / TDD assertion library for node and the browser that can be delightfully paired with any javascript testing framework.
Nx : Nx is a smart and extensible build framework to help you architect, test, and build at any scale — integrating seamlessly with modern technologies and...
Intern : Intern is a complete test system for JavaScript designed to help you write and run consistent, high-quality test cases for your JavaScript libraries a...
Zombie.js is a lightweight framework for testing client-side JavaScript code in a simulated environment. No browser required.