QLandkarte GT is the ultimate outdoor aficionado's tool. It supports GPS maps in GeoTiff format as well as Garmin's img vector map format. Additional it is the PC side front end to QLandkarte M, a moving map application for mobile devices. Additionally it is a front end to the GDAL tools, to make georeferencing scanned maps feasible for the normal user. Compared to similar tools like QGis, it's target users are more on the consumer side than on the scientific one. QLandkarte GT might not let you select every possible feature of the GDAL tools, but it will simplify their use to the demands of most users.