TCPView - TCPView is a Windows program that will show you detailed listings of all TCP and UDP endpoints on...
Wireless Network Watcher - scans your wireless network and displays the list of all computers and devices that are currently connected to your network.
TcpView For Linux - TcpView For Linux. Touch screen friendly design graphical network connections viewer for Linux.
My WIFI Router - Wifi Hotspot creator for Windows
TCP Optimizer - SpeedGuide.net - The Broadband Guide. Cable modems, DSL, Wireless, Network security. Free speed tweaks and TCP/IP tools for optimizing system performance.
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...