NetSpot - NetSpot is a free app for wireless site surveys, Wi-Fi analysis, and troubleshooting
Wireless Network Watcher - scans your wireless network and displays the list of all computers and devices that are currently connected to your network.
Kismet - Kismet is an 802.11 layer2 wireless network detector, sniffer, and intrusion detection system.
Aircrack-ng - Aircrack-ng is an 802.
Wifiner - WiFi Analyzer - WiFi Analyzer. See your WiFi signal on a visually comprehensive map and make sure you are getting the best of your network
My WIFI Router - Wifi Hotspot creator for Windows