Modular, touch screen friendly navigation system with GPS tracking, realtime routing engine and support for various vector map formats. Works on a wide range of devices, from computers to smartphones.
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.
MapWindow GIS is an open source geographic information system (GIS) that includes a set of vector and raster data visualization and analysis components as well as an end-user Windows GUI which can be extended through plug-ins. www.MapWindow.org.