inSSIDer is an award-winning free Wi-Fi network scanner for Windows Vista and Windows XP. Because NetStumbler doesn't work well with Vista and 64-bit XP, we built an open-source Wi-Fi network scanner designed for the current generation of Windows operating systems. inSSIDer was discussed by Lifehacker and Tekzilla!
These are my 2 wireless routers.
Here I am with my neighbors. I actually have my signal strength turn down to limit the range my networks can be picked up. You can see the fluctuations in my neighbors signals since they are transmitting a much greater distance.
Here is a capture of MeteGeeks chanelizer lite
We realize these don't look like inSSIDer reviews, but we've clipped them and you should be able to jump straight to it when you click play. Enjoy!