Blender addons to make the bridge between Blender and geographic data
Toolkit for working with and mapping geospatial data
Geographic feature extraction and data mining
Open Source Desktop GIS with Surveying and Cartography Functionality
Tool to work on map data, to check the data and generate your own maps
Offline vector map display ported from OsmAnd
OTB is an open-source C++ library for remote sensing images processing