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
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
An information system for cyclists in Berlin and Brandenburg
Geographic feature extraction and data mining
Open Source Desktop GIS with Surveying and Cartography Functionality
A software package for quantitative analysis in Panbiogeography
Spatial Statistics Libraries & Tools for GeoTools, GeoServer, uDig
Automated detection of the unknown early map projection