Viking is a free/open source program to manage GPS data. You can import, plot and create tracks, routes and waypoints, show OSM, Terraserver, Bing Aerial and other maps, geotag images, see real-time GPS position, get geocaches, control items, etc. It is written in C & the GTK+2 toolkit.
- OpenStreetMap (OSM)
Summary: Powerful, loaded with features, but steep learning curve. The good: Very powerful, loaded with features; Can display map; Support Open Street Maps; Layers. The bad: No undo feature yet; Steep learning curve.
good project viking
Great for seeing where I've been on group-lead XC cycling!
Works, very small, no complaints.