GPS log file viewer and analyzer
Viking is a free/open source program to manage GPS data
GPS track editor for editing tracks and planning (multiple) day tours
Open source system for GPS tracking devices
A Matlab software to estimate Euler pole parameters
NMEA 0183 library for Java
Tool to work on map data, to check the data and generate your own maps
Plugins for OpenCPN
Simple GPS tracking server
GPS mapping and management software
CAD 2D for Land Surveying and Civil
Open Source Marine Chart Plotting Program
This is a port of LibRTK on C#, and into a small c/c++ library.
Satellite Emulator
Land survey field crew data management for .RAW and .JOB file types.
A tile-based map viewer with support for GPX files.
NMEA libary for java (protocol of GPS devices)
A software for processing and analyzing time series in Earth Science
Apl. móvil de Información georeferenciada + visor 3D escritorio
Using PHP-CLI to parse NMEA data to generate depth maps with GD