Mock and modify HTTP request for exploratory testing.

Fast, easy and reliable testing for anything that runs in a browser, Cypress is the new standard in front-end testing that every developer and QA engineer needs.

Next-gen browser to build, test & debug mobile websites.

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.

Professional software tool for HTTP testing and debugging