Hand-crafted lightweight Rest Client for testing APIs. Supports collections, environments, git collaboration and local storage.

Don’t just observe. Take action. The only app monitoring platform built for developers that gets to the root cause for every issue.

Browser and Mobile Automation Test Framework for Node.js

A browser extension and Ruby gem to improve the debugging experience when testing Rails applications

Built for developers and testers alike, SoapUI is the only open source tool that covers the entire testing spectrum (functional, security, load, mocking).

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