Viking is a free/open source program to manage GPS data
An information system for cyclists in Berlin and Brandenburg
Visualize deep ocean biogeochemical sediment samples in 2D and 3D!
GDAL wheels for python and C/C++ projects (Linux only)
A GUI for the freeware Geographical Information System PCRaster
Geostatistics and geosciences modeling software
QNetMap is the library for displaying the map and the objects on it
Raster layer editing toolbar for ArcMap 10.x
OpenMTP/HRI/HRIT C++ access libraries.