Viking is a free/open source program to manage GPS data
Java Library for working with gpx files
CAD 2D for Land Surveying and Civil
A software to manipulate RINEX 3 files
Apl. móvil de Información georeferenciada + visor 3D escritorio
Using PHP-CLI to parse NMEA data to generate depth maps with GD
Customization of OpenGTS look and feel
A gui for linux users of miniHomer, a GPS tracker
A program to convert different GPS date formats.
Analyze gpx files and store summary in Sqlite database