GPS / Mapping
These are some of my favorite non-commercial tools for using GPS and computer based mapping.
- GPS Babel : Translate any GPS data format to any other GPS data format
- GPS Visualizer : View GPS data overlays with a variety of maps and imagery sources
- USA Photo Maps : Downloads Topo maps and satellite imagery for any US location
- Google Earth : Satellite imagery with 3D Terrain
- NASA World Wind: Various maps and satellite imagery with 3D Terrain
- EveryTrail : Record your trips online with photos and maps