Geographic library
GDAL wheels for python and C/C++ projects (Linux only)
OTB is an open-source C++ library for remote sensing images processing
OpenMTP/HRI/HRIT C++ access libraries.
A frontend for gpsbabel
Multiscale Curvature Classification for LIDAR Data
A free library for fast clipping of arbitrary polygons
GPSBabel converts and transfers data like waypoints, tracks & routes.