Best Free Wi-Fi Network Finder Utility NetStumbler is a free packet sniffer utility used to locate Wi-Fi networks. It's one of the first tools of its kind and arguably still the best. So much so that it is the standard product used by war-drivers in their perpetual search for free bandwidth via unsecured Wi-Fi networks as well as road- warriors looking to connect their laptops back to the office. Basically it's a wireless packet sniffer that lists all networks available at a given geographical location. For each network it displays over 20 different parameters including the signal strength, noise level, encryption method used, GPS coordinates and more. It's a great product with a couple of caveats: first, it only works with specific wireless card chipsets and if yours is not one these then you are out of luck. However, most Centrino-based laptops work fine including many Dells and IBMs. Second, the program won't connect you to a network; you have to do that by other means. That said, NetStumbler is a valuable product for any laptop user who accesses Wi-Fi systems while on the road. It's also a standard tool in trade for IT security workers who need to audit Wi-Fi security.
Code:
http://www.netstumbler.com/downloads/ Freeware, all Windows versions
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