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

One cloud for all device and browser testing needs.

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

Screenshot testing library for Android.

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.

Built for developers and testers alike, SoapUI is the only open source tool that covers the entire testing spectrum (functional, security, load, mocking).