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.

Real API Design-first Development Platform Design. Debug. Test. Document. Mock. Build APIs Faster & Together.

The Complete Continuous Testing Platform Any test. Any device. App quality without limits.

Design, debug, and test APIs locally or in the cloud

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

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