Geographic library
Navigational Algorithms - Marine navigation
Adjustment of local surveying networks, binary builds for Windows
GDAL wheels for python and C/C++ projects (Linux only)
Interactive, thoroughly customizable maps
OTB is an open-source C++ library for remote sensing images processing
OpenMTP/HRI/HRIT C++ access libraries.
A software to manipulate RINEX 3 files
A frontend for gpsbabel
Multiscale Curvature Classification for LIDAR Data
Tiny tool capable of stitching hundreds images into one single image
A free library for fast clipping of arbitrary polygons
compeo++ - Manage Flytec/ Bräuniger Instruments
GPSBabel converts and transfers data like waypoints, tracks & routes.