-Viking is a free/open source program to manage GPS data. You can import and
-plot tracks and waypoints, show Terraserver maps under it, add coordinate
-lines, make new tracks and waypoints, hide different things, etc. It is written
-in C with the GTK+ 2.
+Viking is a free/open source program to manage GPS data.
+You can import, plot and create tracks, routes and waypoints, show OSM and other maps, see real-time GPS position, control items, etc.
+Other advanced capabilities include Geotagging Images, generate Maps (using Mapnik), Upload and Download tracks from OSM, Routing from OSRM or Google, Name Searches from OSM Nominatim or Google and more.
+It is written in mainly in C with some C++ and uses the GTK+2 toolkit.