NaviComputer is software which gives you the possibility to import offline maps through the supplied “navimapper” software to your HTC so you don’t have to stream them anymore over GPRS. Supported maps are: GoogleMaps, GoogleSattelite, GoogleTerrain, OpenStreetMap, OpenStreetOSM, YahooMap, YahooSatellite, VirtualEarthMap, VirtualEarthSatellite, VirtualEarthHybrid