Cross platform (lin/win/mac) geographical information system (GIS)
Traccar GPS Tracking System
GeoServer repository
Toolkit for working with and mapping geospatial data
GWC is a tile server and caching proxy written in Java
Open source system for GPS tracking devices
Spatial Statistics Libraries & Tools for GeoTools, GeoServer, uDig
My OSM projects in bus routings and 30 Districts reallocated
Minimalistic wide-open GPS-locator/tracker
A view abstraction to provide a map user interface
See your friends from VKontakte on the map
GeoData Web Editing [core SIG Web]
Multiplatform Ham Radio APRS and Mapping Program
Source code for ArcGIS Viewer for Flex - a great application framework
Dendrochronological sample measurement, curation and analysis program