Aircrack v2.1
The aircrack suite is an excellent collection of tools written by Christophe Devine to perform packet capture, packet injection and WEP/ WPA cracking.
Best wireless protocol analyzer and security. Wildpackets¡¯ AiroPeek NX is software that performs packet analysis of IEEE 802.11 wireless LANs in support of security audits, site surveys, network management, and troubleshooting.
Download:
Aircrack v2.1