Mergo: merging Go structs and maps since 2013
Google maps for block game
GPS log file viewer and analyzer
... the open-source glide computer
An information system for cyclists in Berlin and Brandenburg
GPX viewer, analyser and editor with official maps, terrain and graphs
Spatial Statistics Libraries & Tools for GeoTools, GeoServer, uDig
A cartography program with parameter adjustments and gravity fonctions
Plugins for OpenCPN
HexWorld a hexagon map example with code
Geodesy based library (geodetic and geocentric functions)
The full-featured, easy-to-use desktop GIS with real processing power!
Open Source Marine Chart Plotting Program
Raster layer editing toolbar for ArcMap 10.x
LGPL GML parser
CAD 2D for Land Surveying,Civil and more