Cross platform (lin/win/mac) geographical information system (GIS)
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
Open OSINT stack for monitoring, analysis, and risk detection
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
Spatial Statistics Libraries & Tools for GeoTools, GeoServer, uDig
An information system for cyclists in Berlin and Brandenburg
Open Source Desktop GIS with Surveying and Cartography Functionality
Geographic feature extraction and data mining
Automated detection of the unknown early map projection
utilities for cadastre system