Viking is a free/open source program to manage GPS data
Bootable linux distro for Geospatial Applications
Toolkit for working with and mapping geospatial data
Showing The Amateur radio Repeaters Tool
GWC is a tile server and caching proxy written in Java
GPS track editor for editing tracks and planning (multiple) day tours
Spatial Statistics Libraries & Tools for GeoTools, GeoServer, uDig
... the open-source glide computer
A cartography program with parameter adjustments and gravity fonctions
An information system for cyclists in Berlin and Brandenburg
Free software for maps
Open OSINT stack for monitoring, analysis, and risk detection
Automated detection of the unknown early map projection
Open Source Desktop GIS with Surveying and Cartography Functionality
French Geographic Information System
A Matlab software to estimate Euler pole parameters