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.

mcp-axe is a MCP-compatible plugin for automated accessibility scanning

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

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.

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

Agentic QE Fleet is an open-source AI-powered quality engineering platform designed for use with Claude Code, featuring specialized agents and skills that surface quality-related information for a product at any stage of the SDLC.