MaddStress is a simple denial-of-service (DDoS) Tools for Desktop.
ISB (I'm so bored) is a network stress-testing application for Windows
Your Personal Hacking Terminal.
LOIC TCP/IP Stresser v1.1.0.1 By LifeOwner
Fully featured network, wireless and web app pentesting suite.
irc bot multi-threaded, ddos, code execution, and more
anonymous tools [uncontinued]
NetStress is a DDoS and network stress testing tool.
A simple TCP/UDP Port Flooder written in Python.
Python DDoS Tool