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.

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

Percy is a visual testing and monitoring tool that focuses on detecting visual changes in web applications

Monitor network requests and API failures with real-time insights

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

Testing and validating REST services in Java is harder than in dynamic languages such as Ruby and Groovy. REST Assured brings the simplicity of using these languages into the Java domain.