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

Automated robustness testing at the UI level
WebLOAD – Performance and Load Testing for the Most Challenging Web Applications
Orderly Ape is an open source (MIT) tool to run distributed and scalable k6 load tests on your own infrastructure using k6, kubernetes, grafana and influxdb.
Loader.io is a free load testing service that allows you to stress test your web-apps & apis with thousands of concurrent connections.
Free & OpenSource REST API Testing Tool for all levels in a Test Pyramid
Bruno is a Fast and Git-Friendly Opensource API client, aimed at revolutionizing the status quo represented by Postman, Insomnia and similar tools out there.
Subscribe to our newsletter
We'll keep you up to date on all the testing trends.