GWC is a tile server and caching proxy written in Java
Navigational Algorithms - Marine navigation
Bootable linux distro for Geospatial Applications
Toolkit for working with and mapping geospatial data
Showing The Amateur radio Repeaters Tool
GPS track editor for editing tracks and planning (multiple) day tours
Open Source Desktop GIS with Surveying and Cartography Functionality
Open OSINT stack for monitoring, analysis, and risk detection
A Matlab software to estimate Euler pole parameters
An information system for cyclists in Berlin and Brandenburg
Geographic feature extraction and data mining
Build your own GPS unit
utilities for cadastre system
A software package for quantitative analysis in Panbiogeography
Spatial Statistics Libraries & Tools for GeoTools, GeoServer, uDig
Handling and basic analysis of hyperspectral data in R
... the open-source glide computer