Wardriving Mapping - WardrivingOnline.com

What are online wifi Mapping & Databases?
Online wifi Mapping & Databases are basically sites that can go to, to search and find local hotspots in your area. They usually show if the hotspots are free or cost money to use. You can usually submit wifi hotspots that you have found to add to there growing database.

Here are the most widely known and largest databases:
Wigle.net has over 6,301,178 points from 291,627,620 unique observations!
WifiMaps.com is another great mapping site.
Netstumbler.com has a Worldwide Maps and a Databases section.
Check out Intel's database of Wireless Access Points(JiWire).