Open Source Marine Chart Plotting Program
Application to browse and visualize your GPS files
Using PHP-CLI to parse NMEA data to generate depth maps with GD
FAA digital chart viewer for iPhone and iPad
Aircraft navigator with HSI for TomTom devices
Viewer and analyzer for gps tracks
Analyze gpx files and store summary in Sqlite database
a free and open map of wireless communicating objects
GPS data in a file for development testing