NetStumbler is a tool for Windows that allows you to detect Wireless Local Area Networks (WLANs) using 802.11b, 802.11a and 802.11g. It can be used for locating access points, mapping wireless coverage, calibrating antennas, and much more. Its counterpart, MiniStumbler, ...

aircrack is an 802.11 WEP and WPA-PSK key cracking program that can recover keys once enough data packets have been captured. It implements the standard FMS attack along with some optimizations like KoreK attacks, thus making the attack much faster ...

Kismet is an 802.11 layer2 wireless network detector, sniffer, and intrusion detection system. Kismet will work with any wireless card which supports raw monitoring (rfmon) mode, and can sniff 802.11b, 802.11a, and 802.11g traffic. Kismet identifies networks by passively collecting ...

AirSnort is a wireless LAN (WLAN) tool which recovers encryption keys. AirSnort operates by passively monitoring transmissions, computing the encryption key when enough packets have been gathered. 802.11b, using the Wired Equivalent Protocol (WEP), is crippled with numerous security flaws. ...

bluebugger is an implementation of the bluebug technique which was discovered by Martin Herfurt.

Hotspotter passively monitors the network for probe request frames to identify the preferred networks of Windows XP clients, and will compare it to a supplied list of common hotspot network names. If the probed network name matches a common hotspot ...

Wellenreiter is a wireless network discovery and auditing tool. Prism2, Lucent, and Cisco based cards are supported. It is one of the easiest to use linux wireless scanning tools available. No card configuration has to be done anymore. The whole ...

KisMAC is an opensource and free stumbler/scanner application for Mac OS X. It has an advantage over MacStumbler, iStumbler, and NetStumbler in that it uses monitor mode and passive scanning. KisMAC supports several third party PCMCIA cards - Orinoco, PrismII, ...