Cross platform (lin/win/mac) geographical information system (GIS)
GeoServer repository
An open source geocoder for openstreetmap data
Large-scale WebGL-powered geospatial data visualization analysis
Open OSINT stack for monitoring, analysis, and risk detection
Toolkit for working with and mapping geospatial data
Geographic library
Spatial Statistics Libraries & Tools for GeoTools, GeoServer, uDig
Viking is a free/open source program to manage GPS data
Builds Garmin maps from OpenStreetMap
GWC is a tile server and caching proxy written in Java
utilities for cadastre system
An information system for cyclists in Berlin and Brandenburg
GPS track editor for editing tracks and planning (multiple) day tours
The Drone PACS platform for aerial inspection. Free on-premises.
A software package for quantitative analysis in Panbiogeography