Postman is an API platform for building and using APIs. Postman simplifies each step of the API lifecycle and streamlines collaboration so you can create better APIs—faster.

Browser and Mobile Automation Test Framework for Node.js

Achieve effortless quality with zero coding, zero maintenance, and the autonomous power of the world's first open-source testing agent.

API Testing Platform that automatically generates unit test cases with dependency mocks from API calls

Puppeteer is a Node.js library which provides a high-level API to control Chrome/Chromium over the DevTools Protocol.

Checks web UI for browser compatibility (Compliance with Can I Use?)