Cross platform (lin/win/mac) geographical information system (GIS)
Open Source Routing Machine - C++ backend
Hibernate's core object/relational mapping functionality
LaMa - A Localization and Mapping library
Geographic library
GPS log file viewer and analyzer
Viking is a free/open source program to manage GPS data
Navigational Algorithms - Marine navigation
An information system for cyclists in Berlin and Brandenburg
Minimalistic wide-open GPS-locator/tracker
Open Source Desktop GIS with Surveying and Cartography Functionality
Handling and basic analysis of hyperspectral data in R
Read EDF File / view mapping
Visualize deep ocean biogeochemical sediment samples in 2D and 3D!
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
A C library for parsing/normalizing street addresses around the world
Plugins for OpenCPN
Sight Reduction for Air Navigation with Python
Simple GPS tracking server