Selenium automates browsers. That's it! What you do with that power is entirely up to you.

Jest is a delightful JavaScript Testing Framework with a focus on simplicity.

Simulate APIs, integrations, and environments at enterprise scale.

RapidAPI for Mac is a full-featured HTTP client that lets you test and describe the APIs you build or consume. It has a beautiful native macOS interface to compose requests, inspect server responses, generate client code and export API definitions.

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

Fully integrated API and web service testing capabilities that automate end-to-end functional API testing.