For those more detailed screen recordings like demos as well as bugs. Has a built in editor.

Run your Maestro mobile tests on 100+ different iOS and Android device configurations in the cloud

k6 Open Source is designed for load testing. Extensible to support other types of testing.

Render your Android screens without a physical device or emulator.

Hoppscotch is an open-source API development ecosystem that helps you create and test your API requests saving precious time in development.

Gatling is a powerful open-source load testing solution that integrates with your development pipeline. It includes a web recorder and colorful reports.