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.

An open source JS tool for image analysis and comparison. A successor of PhantomCSS.

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

Streamline your API testing, integration testing and test data management.

Gatling is a powerful open-source load testing solution that integrates with your development pipeline. It includes a web recorder and colorful reports.

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