EasyGPS
Easygps free software for lowrance gps, magellan gps, garmin gps
http://www.easygps.com/
Geobuddy (bestands-conversie)
Geobuddy - gps software tools for geocaching.
http://www.geobuddy.com/
Geocaching Swiss Army Knife
Geocaching Swiss Army Knife
http://www.gsak.net/
Watcher
Watcher
http://clayjar.com/gc/watcher/