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
A cartography program with parameter adjustments and gravity fonctions
An information system for cyclists in Berlin and Brandenburg
Visualize deep ocean biogeochemical sediment samples in 2D and 3D!
Open Source Desktop GIS with Surveying and Cartography Functionality
An interactive tool for GNSS position time series analysis
Open source system for GPS tracking devices
Spatial Statistics Libraries & Tools for GeoTools, GeoServer, uDig