Cross platform (lin/win/mac) geographical information system (GIS)
GeoServer repository
Toolkit for working with and mapping geospatial data
Open OSINT stack for monitoring, analysis, and risk detection
GWC is a tile server and caching proxy written in Java
Spatial Statistics Libraries & Tools for GeoTools, GeoServer, uDig
Open source system for GPS tracking devices
Q-Rap (www.QRap.org.za) is a Radio Network Planning plug-in for QGIS
Multiplatform Ham Radio APRS and Mapping Program
Source code for ArcGIS Viewer for Flex - a great application framework
Customization of OpenGTS look and feel
a free and open map of wireless communicating objects