Viking is a free/open source program to manage GPS data.

Viking includes the following features:

• Import GPX, TCX, KML and KMZ files
• Export to GPX and KMZ files
• Import and Export numerous file types via GPSBabel
• Create and edit Tracks, Routes and Waypoints
• Show OpenTopoMap, OpenStreetMap(OSM) Maps and various other Maps from online providers
• Show Generic Map Images with World File definitions
• Upload/Download OSM Traces
• Geotag Images
• Follow Realtime GPS Position
• Visualization and Statistics
• Digitial Elevation Model (DEM) Support
• OSRM Routing Support