Navigational Algorithms - Marine navigation
Viking is a free/open source program to manage GPS data
Free software for maps
An information system for cyclists in Berlin and Brandenburg
Visualize deep ocean biogeochemical sediment samples in 2D and 3D!
Minimalistic wide-open GPS-locator/tracker
Adjustment of local surveying networks, binary builds for Windows
GDAL wheels for python and C/C++ projects (Linux only)
A GUI for the freeware Geographical Information System PCRaster
National Responsibility Assessment for Endangered Species/Habitatats
Geostatistics and geosciences modeling software
Subway maps of the World !
C# class library for processing OpenStreetMap data
A tile-based map viewer with support for GPX files.
Former project page
QNetMap is the library for displaying the map and the objects on it
Raster layer editing toolbar for ArcMap 10.x
Search and download satellite images
OpenMTP/HRI/HRIT C++ access libraries.
A software to manipulate RINEX 3 files
Wrapper for QNetMap library
Visualize data from the opencellid.org project