inSSIDer

Freemium
Android Linux Mac Windows

inSSIDer displays all information you need for all Wi-Fi connections that are visible in your area. You can filter results from the list by SSID or vendor, strength of signal, security type (WPA, WPA2, WEP, open), view 2.4 or 5 GHz band.

Is easy to detect the strongest wireless connections available in a certain area in order to know which is the best and join it.

inSSIDer may be one of the best alternative for NetStumbler and you may use it to check signal strength in different areas, find free or public internet connections, or simple view the best connection before using the internet. And not last, it helps to check if your connection is secure or password protected.
 
Is available for multiple operating systems.

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