Software for distance cartogram creation
HistoryLoc is a practical system to track place names over time.
Create cartographic map frames from an XML template
LGPL GML parser
Map Coloring Plugin for OpenJump
Automate merging / importing of country data from different sources
Using PHP-CLI to parse NMEA data to generate depth maps with GD
See you and your friends on a map
golang library to interface with nominatim geocoding services
GIS GRASS extension to assess the exploitability of forest biomass
Simplistic templace header for c++ based pathing or routing.
A frontend for gpsbabel
Simple example for triangulate polygon with allegro engine (C++)