Traccar GPS Tracking System
GPS track editor for editing tracks and planning (multiple) day tours
Open source system for GPS tracking devices
Minimalistic wide-open GPS-locator/tracker
Tool to work on map data, to check the data and generate your own maps
GPS mapping and management software
A tile-based map viewer with support for GPX files.
Using PHP-CLI to parse NMEA data to generate depth maps with GD
See you and your friends on a map
GT2 combines online and offline navigation for hikers and cyclists
Analyze gpx files and store summary in Sqlite database
a free and open map of wireless communicating objects