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

An open source JS tool for image analysis and comparison. A successor of PhantomCSS.

Unifying API testing, API Performance testing, API Mocks and UI testing.

Automation Test Reporting. OSS, Language & Framework agnostic

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.

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