Cross platform (lin/win/mac) geographical information system (GIS)
Open Source Routing Machine - C++ backend
Free and open-source map hosting solution with custom styles
Large-scale WebGL-powered geospatial data visualization analysis
Viking is a free/open source program to manage GPS data
Toolkit for working with and mapping geospatial data
Open source cross-platform Java Visual Traceroute
Bootable linux distro for Geospatial Applications
An information system for cyclists in Berlin and Brandenburg
Showing The Amateur radio Repeaters Tool
Open OSINT stack for monitoring, analysis, and risk detection
... the open-source glide computer
GWC is a tile server and caching proxy written in Java
utilities for cadastre system
Tool for assessment of environmental services on farm scale.
Tool to work on map data, to check the data and generate your own maps
Print specially styled OpenStreetMap maps for detail surveys