Free & OpenSource REST API Testing Tool for all levels in a Test Pyramid

Checks web UI for browser compatibility (Compliance with Can I Use?)

Cloud-scale performance testing. Effortless load testing and synthetic checks at scale. Cloud-native and open-source. The next evolution of performance testing.

Automation Test Reporting. OSS, Language & Framework agnostic

Best "simple" screen capturing app (Mac and Windows) because it creates animated gifs that attach to bugs easily. Simple because it works a lot like snippy to capture screen areas

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