Apache JMeter

Apache JMeter is an open source Java application, designed to load test functional behavior and measure performance. Originally designed for testing Web Applications, it...

Free Open Source Mac Windows Linux

locust

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...

Free Open Source Mac Windows Linux Self-Hosted Python

gatling.io

Gatling is an open-source load testing framework based on Scala, Akka and Netty High performance Ready-to-present HTML reports Scenario recorder and...

Free Open Source Mac Windows Linux Self-Hosted Maven

Loadrunner

Discover how HP performance, stress, and load testing software LoadRunner can prevent costly application performance problems.

Commercial Windows

OctoPerf

OctoPerf is a SaaS load testing solution, based on JMeter. Stress test your web and mobile apps within minutes. Design realistic virtual users. Scales to thousands of...

Commercial Mac Windows Linux

Low Orbit Ion Cannon

LOIC is an open source network stress testing application, written in C#.

Free Open Source Windows Linux

Taurus

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

Free Open Source Mac Windows Linux

Fast DDoS Attack Cmd

Despite its name, Fast DDoS Attack Cmd is just a portable ping tool based on Windows command-line (cmd) aimed to be used by casual\non-advanced Windows OS Users! ...

Free Windows

Load Impact

How many users can my web site handle? Load Impact is an online load testing service that lets you stress test your web site with just a few mouse clicks. You can...

Freemium Web

blitz.io

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

• Discontinued Official shut down announced for 2018, no new or renewed subscriptions allowed now.

Commercial Web

CloudTest

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...

Commercial Mac Windows Linux Web Chrome OS ... Windows RT Self-Hosted

WAPT

WAPT Pro is a load and performance testing tool that works for any web site from a simple web service to a customized ERP or CRM solution. Mobile web applications...

Commercial Windows

Flood.io

Load Testing for Everyone Whether you need to load test a single URL, simulate realistic user scenarios with JMeter, or execute extremely large concurrency and...

Commercial $ $ $ Web

StresStimulus

Load testing tool for websites and mobile that works with hard-to-test applications.

Freemium Windows

SmartMeter.io

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

Freemium Mac Windows Linux