Jest : Jest is used by Facebook to test all JavaScript code including React applications. Complete and easy to set-up JavaScript testing solution. Works out ...
Styletron : Styletron is a universal CSS-in-JS engine built from the ground up for high-performance.
yepnope.js : A Conditional Loader For Your Polyfills!
PhantomJS : PhantomJS is a headless WebKit with JavaScript API. It has fast and native support for various web standards: DOM handling, CSS selector, JSON, Canvas...
Next.js : A minimalistic framework for server-rendered React applications
Enzyme is a JavaScript Testing utility for React that makes it easier to assert, manipulate, and traverse your React Components' output.