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

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

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.

Radically better observability stack

Datadog is a cloud-based monitoring and analytics platform that provides observability and security for cloud-scale applications

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.