Free & Open Source license
Maemo Mapper is geographical mapping visualization software specifically designed for the Maemo platform and the Nokia 770/N800/N810 form factor. It uses raster maps downloaded from the internet from various online repositories (such as OpenStreetMap). It supports tracking, routing, POI, and other features found in personal navigation devices.
Maemo Mapper is free and open source software. If you appreciate Maemo Mapper, consider donating at http://www.gnuite.com/nokia770/maemo-mapper