Ensure quality web and desktop apps that deliver the experiences users demand.

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.

TestResults.io virtual user enables you to test the complete user journey technology agnostic. Recognize risks before the customers do. No flakiness. No hustle. No unnecessary maintenance.

Free & OpenSource REST API Testing Tool for all levels in a Test Pyramid

Professional software tool for HTTP testing and debugging

Burp or Burp Suite is a set of tools used for penetration testing of web applications. It is developed by a company named Portswigger who make freely available a Web Security Academy which has a range of lessons on penetration testing.