Apache JMeter is described as 'Open source Java application, designed to load test functional behavior and measure performance. Originally designed for testing Web Applications, it has since expanded to other test functions as well' and is a Benchmark tool in the development category. There are more than 25 alternatives to Apache JMeter for a variety of platforms, including Windows, Linux, Mac, Web-based and Self-Hosted apps. The best Apache JMeter alternative is Loadrunner. It's not free, so if you're looking for a free alternative, you could try k6 or soapUI. Other great apps like Apache JMeter are OctoPerf, CloudTest, SmartMeter.io and locust.