FR:List of territory based projects. Conversion of OpenStreetMap OSM files to IMG files compatible with Garmin GPS. OSM files are great free-of-charge source of detailed maps.
They are available at "OpenStreetMap creates and provides free geographic data such as street maps to anyone who wants them. The project was started because most maps you think of as free actually have legal or technical restrictions on their use, holding back people from using them in creative, productive, or unexpected ways. " Mapwel software allows to upload OSM files into the Garmin GPS units with just a few clicks of mouse, preserving as much of visual similarity as possible. OSM files specification includes number of polygons, lines and icons. Mapwel GPS Mapping Software.