Wireless Network Watcher - scans your wireless network and displays the list of all computers and devices that are currently connected to your network.
Simple Scan - Project information. Part of: The Gnome Project. Maintainer: Simple Scan Development Team. Driver: Simple Scan Development Team. Licence: GNU GPL v3.
Elcomsoft Wireless Security Auditor - Elcomsoft Wireless Security Auditor is software that is used to administer the security of your wireless Network.
NAPS2 - NAPS2 is a document scanning application with a focus on simplicity and ease of use.
WifiInfoView - Scans wireless networks in your area and displays extensive information, including: SSID, MAC Address, PHY Type (802.11g or 802.11n), RSSI, Signal Quality, Frequency, Channel Number, and more...
XSane - A good proposal for SANE-2 has been written.