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.

Achieve effortless quality with zero coding, zero maintenance, and the autonomous power of the world's first open-source testing agent.

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

Cross Browser Testing Cloud - Browser & app testing cloud to perform both exploratory and automated testing across 3000+ different browsers, real devices and operating systems.

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

Exploratory testing assistant for Chrome and Firefox. Adds common problematic values and edge cases to the context menu (right-click) for editable elements, so you can keep them handy and access them easily during exploratory testing sessions.