A browser extension and Ruby gem to improve the debugging experience when testing Rails applications

Charles is a HTTP proxy that enables you to see traffic between your machine and the backend

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

End-to-End Testing & Debugging powered by OpenTelemetry

Professional software tool for HTTP testing and debugging

Sonic is a platform that integrates remote control debugging and automated testing of mobile devices, and strives to create a better user experience for global developers and test engineers.