Cross platform (lin/win/mac) geographical information system (GIS)
Blender addons to make the bridge between Blender and geographic data
GeoServer repository
An open source geocoder for openstreetmap data
Large-scale WebGL-powered geospatial data visualization analysis
Geographic library
Toolkit for working with and mapping geospatial data
Viking is a free/open source program to manage GPS data
GWC is a tile server and caching proxy written in Java
GPS track editor for editing tracks and planning (multiple) day tours
French Geographic Information System
A cartography program with parameter adjustments and gravity fonctions
An information system for cyclists in Berlin and Brandenburg
Open OSINT stack for monitoring, analysis, and risk detection
Free software for maps
Open Source Desktop GIS with Surveying and Cartography Functionality
Spatial Statistics Libraries & Tools for GeoTools, GeoServer, uDig