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
Open OSINT stack for monitoring, analysis, and risk detection
Geographic library
Viking is a free/open source program to manage GPS data
Toolkit for working with and mapping geospatial data
GWC is a tile server and caching proxy written in Java
GPS track editor for editing tracks and planning (multiple) day tours
A cartography program with parameter adjustments and gravity fonctions
A software package for quantitative analysis in Panbiogeography
Geographic feature extraction and data mining
Spatial Statistics Libraries & Tools for GeoTools, GeoServer, uDig
An information system for cyclists in Berlin and Brandenburg
French Geographic Information System
Open Source Desktop GIS with Surveying and Cartography Functionality