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.

NUnit is a unit-testing framework for all .Net languages.

Unifying API testing, API Performance testing, API Mocks and UI testing.

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

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

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