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.

Professional software tool for HTTP testing and debugging

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

Automate API workflows. Chain HTTP requests. Validate. Zero code.

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

The World's first AI Driven Enterprise Software Reliability Platform