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

Integrate systems. Automate work. Accelerate your digital transformation with a single platform for integration and business process automation.

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.

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

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

Puppeteer is a Node.js library which provides a high-level API to control Chrome/Chromium over the DevTools Protocol.