Toolkit for working with and mapping geospatial data
Viking is a free/open source program to manage GPS data
Plugins for OpenCPN
Analysis and display of Census, business, government attribute data
Geostatistics and geosciences modeling software
Multiagent simulator of road traffic in Qt/C++ and OpenStreetMap.
GeoData Web Editing [core SIG Web]
OTB is an open-source C++ library for remote sensing images processing
Track your mobile device or cellphone via internet using OpenGTS/GPRMC
LGPL GML parser
Open Street Map (OSM) tools, OSM/XML parser, tag extractor