viking: viking (gps data management software) viking: viking: Viking is a free/open source program to manage GPS data. You can viking: import, plot and create tracks, routes and waypoints, show OSM viking: and other maps, generate maps (using Mapnik), viking: see real-time GPS position, Geotag Images, viking: control items, upload/download OSM Traces and more. viking: It is written mainly in C with some C++ and uses the GTK+3 toolkit. viking: viking: http://viking.sf.net viking: