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

Built for developers and testers alike, SoapUI is the only open source tool that covers the entire testing spectrum (functional, security, load, mocking).

Radically better observability stack

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

RapidAPI for Mac is a full-featured HTTP client that lets you test and describe the APIs you build or consume. It has a beautiful native macOS interface to compose requests, inspect server responses, generate client code and export API definitions.

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