Google Maps is available to users of Windows Mobile devices. Google Maps supports starting with Windows Mobile 2003 and higher. Maps give users the possibility to interact with maps and satellite images, also to find point-to-point directions and find businesses or other points of interest. It's also a good feature for Windows Mobile 5.0 phones that are enabled with GPS, Google Maps automatically shows where the user is on the map with a flashing blue dot.
The software is a free download as always.