PwnieExpress providing one of the best Pentesting suite for the Nokia N900 .It  Includes Aircrack, Metasploit, Kismet, GrimWEPa, SET, Fasttrack, Ettercap, nmap, and more, Custom pentesting screen with shortcuts to macchanger, injection on/off, etc. Built-in wireless card supports packet injection, monitor mode, and promiscuous mode also available :