YATTIE exists to help make tester's lives easier. Ideally, it should remove friction from the exploratory testing process - everywhere from gathering evidence to submitting reports.

Automated robustness testing at the UI level

WebLOAD – Performance and Load Testing for the Most Challenging Web Applications

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

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

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.