Built for developers and testers alike, SoapUI is the only open source tool that covers the entire testing spectrum (functional, security, load, mocking).

mabl is a low-code, intelligent test automation platform for Agile teams.

Bring the best of Selenium, Cypress and Python into one package.

Webomates provides cloud-based Testing as a service (TaaS) to leading software companies

Hoppscotch is an open-source API development ecosystem that helps you create and test your API requests saving precious time in development.

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.