Google Maps for mobile is a free application that puts maps, driving directions, business listings, and more in your pocket. With the brand new Google Latitude feature, see your friends' locations and status messages, and share yours with them.
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Maps Open AT3 Free
Maps online from Openstreetmaps. Enjoy the alternative source of maps on the web. Updated constantly
amAze GPS Free
amAze GPS light edition provides free access to worldwide street maps and local search. Full version