Cross platform (lin/win/mac) geographical information system (GIS)
Free software for maps
Interactive, thoroughly customizable maps in the browser
Traccar GPS Tracking System
GPS log file viewer and analyzer
Showing The Amateur radio Repeaters Tool
Viking is a free/open source program to manage GPS data
Bootable linux distro for Geospatial Applications
GPS track editor for editing tracks and planning (multiple) day tours
An information system for cyclists in Berlin and Brandenburg
A cartography program with parameter adjustments and gravity fonctions
... the open-source glide computer
French Geographic Information System
A Guide of the Trees of Barcelona City
A software package for quantitative analysis in Panbiogeography
Open Source Desktop GIS with Surveying and Cartography Functionality
A low ram maps downloader to keep your ram free.