TOR
Downloads: https://www.torproject.org/download/download.html.en
Manual de Instalação (Diversos SO): https://www.torproject.org/docs/installguide.html.en


HPING3
Instalar no Ubuntu: sudo apt-get install hping3
Download: http://www.hping.org/download.php
Man: http://linux.die.net/man/8/hping3


LOIC
http://sourceforge.net/projects/loic/


httpDoS
http://sites.google.com/site/shanleiguang2/httpdos

Slowloris
http://ha.ckers.org/slowloris/ - Download no fim da página