Viking is a free/open source program to manage GPS data
An information system for cyclists in Berlin and Brandenburg
Free minimalist software for maps, import DWG, DXF, SHP, KML, GeoJSON
Plugins for OpenCPN
Display people's or device transit routes based on latitude and longit
ERSI Shapefile Viewer
A small nifty program where you build you own ZOO
National Responsibility Assessment for Endangered Species/Habitatats
Geodesy based library (geodetic and geocentric functions)
CAD 2D for Land Surveying and Civil
OpenSeaMap Depth Contours
Toolbox for geoscientists and geo enthusiasts
Raster layer editing toolbar for ArcMap 10.x
Search and download satellite images