JMeter
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.
Similar Tools
SeleniumBase Case Plans is Test Case Management Software that uses Markdown tables for displaying test plans directly in GitHub (and other source code management systems that support Markdown format).
WebLOAD – Performance and Load Testing for the Most Challenging Web Applications
Unifying API testing, API Performance testing, API Mocks and UI testing.
The Complete Continuous Testing Platform Any test. Any device. App quality without limits.
Generate new testing projects hassle-free. Ready for IDE instantly
Achieve effortless quality with zero coding, zero maintenance, and the autonomous power of the world's first open-source testing agent.