Cross platform (lin/win/mac) geographical information system (GIS)
Open Source Routing Machine - C++ backend
Google maps for block game
Self-hostable alternative to Google Timeline
GPS log file viewer and analyzer
Bootable linux distro for Geospatial Applications
Viking is a free/open source program to manage GPS data
Showing The Amateur radio Repeaters Tool
Toolkit for working with and mapping geospatial data
Automated detection of the unknown early map projection
GWC is a tile server and caching proxy written in Java
GPS track editor for editing tracks and planning (multiple) day tours
An information system for cyclists in Berlin and Brandenburg
... the open-source glide computer
A software package for quantitative analysis in Panbiogeography
Spatial Statistics Libraries & Tools for GeoTools, GeoServer, uDig