Browser and Mobile Automation Test Framework for Node.js

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

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.

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

Swagger UI allows anyone — be it your development team or your end consumers — to visualize and interact with the API’s resources without having any of the implementation logic in place

ReadyAPI is a low-code API testing platform for development teams that care about creating test automation across any workflow.