Load test websites with simultaneous connections from several users. Free to demo. Buy thousands of connections and customize and test your website for just $3 onwards.
Cost / License
- Freemium
- Proprietary
Platforms
- Online


locust is described as 'An open source load testing tool written in Python. Locust allows you to define user behaviour with Python code, and swarm your system with millions of simultaneous users' and is an app. There are more than 25 alternatives to locust for a variety of platforms, including Windows, Linux, Web-based, Mac and SaaS apps. The best locust alternative is Apache JMeter, which is both free and Open Source. Other great apps like locust are k6, Guardius, Loadster and Low Orbit Ion Cannon.
Load test websites with simultaneous connections from several users. Free to demo. Buy thousands of connections and customize and test your website for just $3 onwards.


Cavisson NetStorm is a cost-effective, performance enhancing and easy-to-use appliance for enterprise applications. It is an extremely powerful load generator that provides an accurate estimation of Client Perceived Response Time (CPRT) enabling IT companies to guarantee the...


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.
The Grinder is a Java load testing framework that makes it easy to run a distributed test using many load injector machines. It is freely available under a BSD-style open-source license.
Utilizing headless scriptable browser PhantomJS and Amazon cloud servers, LoadBooster offers the unique load testing service that provides large testing capacity, a real browser user experience, better AJAX support, clearer error reporting, as well as high-fidelity test results.


Kraken is a load testing IDE. Kraken provides a complete development environment to software programmers and load testers that seek to make the most out of Gatling.




BlazeMeter is a self- service performance & load testing cloud, 100% JMeter-compatible. Easily run tests of 30k, 50k, 80k or more concurrent users, on-demand! Sign up and get a lifetime free tier to test! Time to test is minutes on our virtual testing lab.
LoadUIWeb is a free desktop tool for performance, stress, scalability and load testing of web applications. Yours to keep. No expiration. Try it today!
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.