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.

Browser and Mobile Automation Test Framework for Node.js

Automated robustness testing at the UI level

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

A modern, resource-friendly REST client for Windows 10

k6 Open Source is designed for load testing. Extensible to support other types of testing.