GPS log file viewer and analyzer
GPS track editor for editing tracks and planning (multiple) day tours
eGPXviewer is a 3D GPX track viewer
Java Library for working with gpx files
GPS mapping and management software
Trasforma coordinate da epsg per google maps
Open Source Marine Chart Plotting Program
Satellite Emulator
Land survey field crew data management for .RAW and .JOB file types.
Using PHP-CLI to parse NMEA data to generate depth maps with GD
FAA digital chart viewer for iPhone and iPad
Convert a Garmin ADM database file to a GPX file
Aircraft navigator with HSI for TomTom devices
Analyze gpx files and store summary in Sqlite database
a free and open map of wireless communicating objects
Convert GPS-Tracks user-saved tracks to KML files for Google Earth.