GPSdings is a Java 1.5 command line tool for the
manipulation and analysis of track and waypoint
data recorded with a GPS receiver. It comprises
the following applications: exifloc (determines
the geolocation of digital camera pictures from a
GPS track), trackanalyzer (analyzes and plots GPS
tracks), gpxkml (converts GPX to KML), googlemap
(converts GPX to Google Maps API Javascript), and
gpxovl (converts between GPX and OVL formats).