StresStimulus is described as 'Load testing tool for websites and mobile that works with hard-to-test applications'. There are more than 25 alternatives to StresStimulus for a variety of platforms, including Windows, Online / Web-based, Linux, Mac and Self-Hosted solutions. The best alternative is Apache JMeter, which is both free and Open Source. Other great apps like StresStimulus are locust (Free, Open Source), Loader.io (Freemium), Gatling (Free, Open Source) and Loadrunner (Paid).
Web Capacity Analysis Tool (WCAT) is a lightweight HTTP load generation tool primarily designed to measure the performance of a web server within a controlled environment. WCAT can simulate thousands of concurrent users making requests to a single web site or multiple web sites.
Load testing and stress tests for websites, APIs and servers. LoadForge brings affordable, highly scalable, easy to run and understand load testing into the modern SaaS world. Simulate up to 500,000 users from $19 a month.
Web Performance Load Tester™ is the only web testing tool smart enough to tell you how many users your website can handle. Use another tool, and youll find yourself staring at charts for hours trying to figure it out—if you can even tell at all.
AppPerfect Load Test is a fully automated load test, stress test and performance test solution that helps you design and simulate thousands of users in a realistic manner which can be used to load test your application infrastructure for performance, reliability and scalability.
Neustar Website Load Testing, formerly BrowserMob, uses advanced cloud technology and has a variety of plans to cater to every client - customize a plan that suits your load testing and pricing needs - including our FREE (free trial) test.