Viking is a free/open source program to manage GPS data
An information system for cyclists in Berlin and Brandenburg
Free software for maps
GWC is a tile server and caching proxy written in Java
Plugins for OpenCPN
ERSI Shapefile Viewer
A small nifty program where you build you own ZOO
Geodesy based library (geodetic and geocentric functions)
CAD 2D for Land Surveying and Civil
FastVersion is a Qgis plugin for data versioning in a Postgis database
OpenSeaMap Depth Contours
Syntax2D (latest ver. 1.3.7.0)
Customization of OpenGTS look and feel