LoadUIWeb - LoadUIWeb is a free desktop tool for performance, stress, scalability and load testing of web...
Loadster - Loadster is a full-featured load testing solution for websites, web apps, and web services.
LoadFocus - Cloud Testing Infrastructure | Cloud Testing Services and Tools for Websites & APIs.
Loader.io - Loader.io is a simple cloud-based load testing service
LoadStorm - Load test websites, web apps, APIs, and mobile apps via the cloud. Use scripts to simulate user behavior for up to a million virtual users. Try it for free!
LoadForge - Better, cheaper load testing for websites, APIs and servers