Very fast network stress tool
UFONet - Denial of Service Toolkit
Next-generation and open-source Web Application Firewall (WAF).
Distributed Denial of Service Attack Simulator
ISB (I'm so bored) is a network stress-testing application for Windows
Your Personal Hacking Terminal.
DDOS tool
Kali Applications Automatic Installation Script (For Kali Linux Only)
A network stress testing application
Tool for DDoS attacks
Lightweight DDOS Client with Console Commands
Fully featured network, wireless and web app pentesting suite.
A Lightweight DDOS Tool Built in C#
anonymous tools [uncontinued]
A simple TCP/UDP Port Flooder written in Python.