Wireless Network Watcher - scans your wireless network and displays the list of all computers and devices that are currently connected to your network.
NetSpot - NetSpot is a free app for wireless site surveys, Wi-Fi analysis, and troubleshooting
Aircrack-ng - Aircrack-ng is an 802.
Vistumbler - Vistumbler is a wireless network scanner for Windows Vista and Windows 7. Features:
My WIFI Router - Wifi Hotspot creator for Windows
Kismet - Kismet is an 802.11 layer2 wireless network detector, sniffer, and intrusion detection system.