Locust is open source, very easy to set up and use. Locust can be used to test almost anything. It is very scalable and works in a distributed environment. It has simple documentation and can use basic programming skills for testing initially.

1. We can write API test cases in plain python code 2. Support master-slave load testing 3. It will do load test continuously without stopping 4. Sleek web UI to see the test results. 5. Open source load test tool

Great reports. Relatively easy to setup. Super useful and easy to interpret graphs.