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.

Performance testing with Flood increases customer satisfaction and confidence in your production apps and reduces business risk.

Built for developers and testers alike, SoapUI is the only open source tool that covers the entire testing spectrum (functional, security, load, mocking).

WebLOAD – Performance and Load Testing for the Most Challenging Web Applications

Loader.io is a free load testing service that allows you to stress test your web-apps & apis with thousands of concurrent connections.

Gatling is a powerful open-source load testing solution that integrates with your development pipeline. It includes a web recorder and colorful reports.