Apache JMeter is an open source Java application, designed to load test functional behavior and measure performance. Originally designed for testing Web Applications, it has since expanded to other test functions as well.




SilkPerformer is described as 'Borland - Solutions spanning the application development lifecycle – requirements definition & management, testing and ASQ, change & configuration management, IT project and portfolio management' and is an app. There are more than 25 alternatives to SilkPerformer for a variety of platforms, including Windows, Linux, Mac, Web-based and Self-Hosted apps. The best SilkPerformer alternative is Apache JMeter, which is both free and Open Source. Other great apps like SilkPerformer are locust, Loader.io, OctoPerf and blitz.io.
Apache JMeter is an open source Java application, designed to load test functional behavior and measure performance. Originally designed for testing Web Applications, it has since expanded to other test functions as well.




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.

Loader.io is a simple cloud-based load testing service that allows you to stress test your web-apps & apis with thousands of concurrent connections. Made by the team behind SendGrid.

OctoPerf is an enterprise-grade performance and load testing platform available as SaaS and on-premise, enabling engineering teams to simulate realistic traffic, identify bottlenecks, and validate application scalability at a lower cost than traditional enterprise tools.



Blitz makes load and performance testing of your web site, API, iPhone and Android and Facebook apps a fun sport.

Managed load testing platform built on k6, integrating performance testing into CI/CD pipelines, supporting frontend and backend scenarios, GUI test builder, browser recorder, and JavaScript scripting. Free tier offers virtual user hours, metrics, logs, traces, and observability.




Gatling is a software designed for load and performance testing of web applications, APIs, and services. The software enables users to simulate user traffic and analyze the behavior and responsiveness of systems under various load conditions.


LoadRunner is a software testing tool used to test applications, measuring system behaviour and performance under load. LoadRunner can simulate thousands of users concurrently using application software, recording and later analyzing the performance of key components of the...

Automation-friendly framework for Continuous Testing. It makes sense to automate anything you repeat 10+ times. Taurus improves experience of JMeter, Selenium and others.




Load Testing of Web Sites, Mobile Applications, Web Services, and Web Sockets. Real-Time Analytics, Public Cloud load injectors, rapid test development, real user data, network emulation, SLAs, all with CI Integration. 100VUs for free, forever.

SmartMeter.io is a load and performance testing tool based on JMeter that is fixing its drawbacks while adding enterprise-level load testing features.