k6 Open Source is designed for load testing. Extensible to support other types of testing.

Comprehensive and user-friendly cloud platform for Load Testing, Speed Testing and Website & API Optimization and Monitoring

Anyone on your team can load test with instant playback, an easy-to-use interface, and real browsers for reliable data.

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

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

The Complete Continuous Testing Platform Any test. Any device. App quality without limits.