Cost / License
- Freemium (Subscription)
- Proprietary
Platforms
- Online

The Grinder is described as 'Java load testing framework that makes it easy to run a distributed test using many load injector machines. It is freely available under a BSD-style open-source license' and is an app. There are more than 25 alternatives to The Grinder for a variety of platforms, including Linux, Web-based, Windows, Mac and Self-Hosted apps. The best The Grinder alternative is Apache JMeter, which is both free and Open Source. Other great apps like The Grinder are locust, wrk, Loadster and Loader.io.

Pylot is a free open source tool for testing performance and scalability of web services. It runs HTTP load tests, which are useful for capacity planning, benchmarking, analysis, and system tuning.

