Bruno is a Fast and Git-Friendly Opensource API client, aimed at revolutionizing the status quo represented by Postman, Insomnia and similar tools out there.

Automated robustness testing at the UI level

The Apache JMeter™ application is open source software, a 100% pure Java application designed to load test functional behavior and measure performance. It was originally designed for testing Web Applications but has since expanded to other test functions.

Automation Test Reporting. OSS, Language & Framework agnostic

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

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