I use theses programs myself for wireless networks and what not. alot of the programs on the link below are really good programs for cracking wireless encryptions and other stuff with wireless networks.
[NOTICE:]Sorry if my description isn’t that great i was in a rush to post this because im in the middle of a game on my other pc lol.
NetStumbler displays wireless access points, SSIDs, channels, whether WEP encryption is enabled and signal strength. NetStumbler can connect with GPS technology to accurately log the precise location of access points.
A smaller version of NetStumbler designed to work on PocketPC 3.0 and PocketPC 2002 platforms. It provides support for ARM, MIPS and SH3 CPU types
WEPCrack was the first of the WEP encryption cracking utilities. WEPCrack is an open-source tool used to break 802.11 WEP keys.
Airsnort is a wireless LAN (WLAN) tool which cracks WEP encryption keys. AirSnort passively monitors wireless transmissions and automatically computes the encryption key when enough packets have been gathered.