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.

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.

All-in-one test management solution for both manual and automated software testing

AI-powered Test Automation Dashboard

Appium is an open-source project and ecosystem of related software, designed to facilitate UI automation of many app platforms

ReadyAPI is a low-code API testing platform for development teams that care about creating test automation across any workflow.