Bruno is a Fast and Git-Friendly Opensource API client, aimed at revolutionizing the status quo represented by Postman, Insomnia and similar tools out there.

Test, scrape, generate, and automate without the pain and expense of hosting your own headless browsers.

Professional software tool for HTTP testing and debugging

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

One test framework, for ALL your apps Maestro is a single platform that tests all of your mobile and web apps - no matter what framework your team uses.

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.