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

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.

Supercharge team collaboration by sharing screen capture, logs, and debugging information from local development.

Simplifying testing workflows for developers and QA engineers with instant, privacy-first mock file generation.

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

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