Cross platform (lin/win/mac) geographical information system (GIS)
Open Source Routing Machine - C++ backend
Geographic library
GPS log file viewer and analyzer
Viking is a free/open source program to manage GPS data
Transport coordinate between earth(WGS-84) and mars in china(GCJ-02)
Navigational Algorithms - Marine navigation
GWC is a tile server and caching proxy written in Java
Open Source Desktop GIS with Surveying and Cartography Functionality
An information system for cyclists in Berlin and Brandenburg
Build your own GPS unit
Automated detection of the unknown early map projection
Simple GPS tracking server
Handling and basic analysis of hyperspectral data in R
Visualize deep ocean biogeochemical sediment samples in 2D and 3D!
Minimalistic wide-open GPS-locator/tracker
Read EDF File / view mapping
LaMa - A Localization and Mapping library
Adjustment of local surveying networks, binary builds for Windows
A GUI for the freeware Geographical Information System PCRaster
GDAL wheels for python and C/C++ projects (Linux only)
Plugins for OpenCPN