Automated detection of the unknown early map projection
Open Source Desktop GIS with Surveying and Cartography Functionality
Free software for maps
Simple GPS tracking server
The bidirectional mapping library for Python
Catalog of applications for OpenStreetMap
Visualize deep ocean biogeochemical sediment samples in 2D and 3D!
Open source system for GPS tracking devices
Minimalistic wide-open GPS-locator/tracker
NMEA 0183 library for Java
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)
Display people's or device transit routes based on latitude and longit
Plugins for OpenCPN
A C library for parsing/normalizing street addresses around the world
Google Earth Enterprise - Open Source
Analysis and display of Census, business, government attribute data
National Responsibility Assessment for Endangered Species/Habitatats
Interactive visualization of plate tectonics.
Spectral Data - binary builds for Windows 10
Interactive, thoroughly customizable maps