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.

An open source JS tool for image analysis and comparison. A successor of PhantomCSS.

Generate new testing projects hassle-free. Ready for IDE instantly

Puppeteer is a Node.js library which provides a high-level API to control Chrome/Chromium over the DevTools Protocol.

SeleniumBase Case Plans is Test Case Management Software that uses Markdown tables for displaying test plans directly in GitHub (and other source code management systems that support Markdown format).

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