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.

Voiden is a developer-first API client with local storage, Git-integrated, all based on markdown + offline support.

Hoppscotch is an open-source API development ecosystem that helps you create and test your API requests saving precious time in development.

Design, debug, and test APIs locally or in the cloud

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

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