Loader
Loader.io is a free load testing service that allows you to stress test your web-apps & apis with thousands of concurrent connections.
Similar Tools
Simplifies performance and load testing so that application delivery teams can take a standardized approach to ensure continuous performance, reliability, and scalability from development to production.
k6 Open Source is designed for load testing. Extensible to support other types of testing.
Realistic performance testing with unrivaled reporting. Develop locally, scale globally, and retain full access to all your data. 100% Open Source.
WebLOAD – Performance and Load Testing for the Most Challenging Web Applications
The Complete Continuous Testing Platform Any test. Any device. App quality without limits.
Built for developers and testers alike, SoapUI is the only open source tool that covers the entire testing spectrum (functional, security, load, mocking).
BearQ continuously tests your app, reducing test maintenance and uncovering gaps scripted tests can miss.
Better than a generic video, see YOUR test, live, ready to show you what matters most: quality at scale.
Get enterprise service virtualization for complex systems, realistic behavior, and AI-assisted workflows.
How are teams like yours balancing speed, quality, security, and AI in 2026? Download your copy and get real insights.
