inSSIDer
Commercial
inSSIDer by MetaGeek wifi analyzer.
NetStumbler
Free
NetStumbler (Network Stumbler) is a tool for Windows that facilitates detection of Wireless LANs using the 802.11b, 802.11a and 802.11g WLAN standards.
Winhotspot
Free
Winhotspot is a free virtual WiFi router for windows.
Acrylic Wifi
Freemium
Acrylic WiFi is a free WiFi scanner designed to scan wireless networks and view WLAN channels, signal, traffic and security.
Compare Vistumbler with alternatives
Compare inSSIDer and Vistumbler and decide which is most suitable for you.
Compare Winhotspot and Vistumbler and decide which is most suitable for you.
Compare NetStumbler and Vistumbler and decide which is most suitable for you.
Compare Acrylic Wifi and Vistumbler and decide which is most suitable for you.