T-A-N-K (THE-ANNIHILATE-NETWORK-KILLER) THE WORLDS FIRST DoS toolkit.
SlowHTTPTest Original files
The GoldenEye HTTP DoS Test tool
LOIC-0 Now with IRC control
Distributed load testing framework - Java, Jython, or Clojure scripts.
Java based load testing tool for HTTP applications.
A tool to perform load testing on IPFire's OpenVPN server
This project contains some useful enhancements implemented in Jmeter.
A network traffic replay tool targeted to servers
A concurrency and load testing tool for .NET applications