Open source cross-platform Java Visual Traceroute
Viking is a free/open source program to manage GPS data
Toolkit for working with and mapping geospatial data
GPS navigation software for Windows Mobile & WinCE devices.
Bootable linux distro for Geospatial Applications
Showing The Amateur radio Repeaters Tool
GWC is a tile server and caching proxy written in Java
Builds Garmin maps from OpenStreetMap
Navigational Algorithms - Marine navigation
GPS track editor for editing tracks and planning (multiple) day tours
An information system for cyclists in Berlin and Brandenburg
... the open-source glide computer
A friendly GPX viewer and editor with official maps, terrain and 3D
Free software for maps
Open OSINT stack for monitoring, analysis, and risk detection
A Guide of the Trees of Barcelona City
A cartography program with parameter adjustments and gravity fonctions
Open Source Desktop GIS with Surveying and Cartography Functionality