AgileLoad

Apache JMeter is open source software, a 100% pure Java desktop application designed to load test functional behavior and measure performance. It was originally designed for testing Web Applications but …

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. …

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 volumes with Gatling, flood.io provides …

Proxy Sniffer ™ is a professional and high-duty Web Load and Stress Testing Tool that runs on Java.

yandex-tank - Load and performance benchmark tool

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 …

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

Codebug is a standalone Xdebug client frontend for Mac OSX. This application allows PHP developers to debug their code in real-time without needing an external IDE

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 …

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 …

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 …

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

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

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 …

TestMaker is a test orchestration engine. TestMaker repurposes Selenium, soapUI, Sahi, and unit tests written in Java, PHP, Perl, Groovy, .NET, C# to be functional tests, load and performance tests, …

Cloud-based load testing service, emulate thousands of virtualized concurrent users with a straightforward interface and meaningful results. Design your tests from inside your browser by using the Loadzen...

Borland - Solutions spanning the application development lifecycle – requirements definition & management, testing and ASQ, change & configuration management, IT project and portfolio management

OpenSTA is a distributed software testing architecture designed around CORBA, it was originally developed to be commercial software by CYRANO. The current toolset has the capability of performing scripted HTTP...

Pylot is a free open source tool for testing performance and scalability of web services. It runs HTTP load tests, which are useful for capacity planning, benchmarking, analysis, and system …