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

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.

The World's first AI Driven Enterprise Software Reliability Platform

Fast, easy and reliable testing for anything that runs in a browser, Cypress is the new standard in front-end testing that every developer and QA engineer needs.

Integrate systems. Automate work. Accelerate your digital transformation with a single platform for integration and business process automation.

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.