Geographic library
GPS log file viewer and analyzer
Geographic feature extraction and data mining
Adjustment of local surveying networks, binary builds for Windows
A GUI for the freeware Geographical Information System PCRaster
Plugins for OpenCPN
Geodesy based library (geodetic and geocentric functions)
Library for OpenStreetMap offline rendering and routing
Subway maps of the World !
Open Source Marine Chart Plotting Program
Satellite Emulator
A tile-based map viewer with support for GPX files.
Former project page
OTB is an open-source C++ library for remote sensing images processing
QNetMap is the library for displaying the map and the objects on it