Cross platform (lin/win/mac) geographical information system (GIS)
Blender addons to make the bridge between Blender and geographic data
An open source geocoder for openstreetmap data
Interactive, thoroughly customizable maps in the browser
GeoServer repository
Large-scale WebGL-powered geospatial data visualization analysis
Geographic library
Viking is a free/open source program to manage GPS data
GWC is a tile server and caching proxy written in Java
Toolkit for working with and mapping geospatial data
GPS track editor for editing tracks and planning (multiple) day tours
Geographic feature extraction and data mining
A cartography program with parameter adjustments and gravity fonctions
Open Source Desktop GIS with Surveying and Cartography Functionality
An information system for cyclists in Berlin and Brandenburg
utilities for cadastre system