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

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

Robot Framework is a generic open source automation framework. It can be used for test automation and robotic process automation (RPA).

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

Automated robustness testing at the UI level

Simple animated GIF screen recorder with an easy to use interface.