XerXes C/C++ - Linux
XerXes is one of the most powerful private dos tool

Source Code
http://pastebin.com/eLrQXTnu

Info
http://vimeo.com/17268609

Platform: Linux
Instructions for use: Save that as xerxes.c
then in terminal: gcc xerxes.c -o xerxes
Followed by ./xerxes www.target.com 80
Ensure TOR is running and on the port in the source, feel free to edit that in the source to match your port.