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
Large-scale WebGL-powered geospatial data visualization analysis
GeoServer repository
Geographic library
Toolkit for working with and mapping geospatial data
GPS track editor for editing tracks and planning (multiple) day tours
Open source system for GPS tracking devices
An information system for cyclists in Berlin and Brandenburg
Spatial Statistics Libraries & Tools for GeoTools, GeoServer, uDig
Visualize deep ocean biogeochemical sediment samples in 2D and 3D!
Tool for assessment of environmental services on farm scale.
A software package for quantitative analysis in Panbiogeography
Open Source Desktop GIS with Surveying and Cartography Functionality
A project on topography and weather comparison