Cross platform (lin/win/mac) geographical information system (GIS)
Open-source JavaScript library for mobile-friendly interactive maps
Traccar GPS Tracking System
LaMa - A Localization and Mapping library
GPS log file viewer and analyzer
Viking is a free/open source program to manage GPS data
Bootable linux distro for Geospatial Applications
Showing The Amateur radio Repeaters Tool
GPS track editor for editing tracks and planning (multiple) day tours
A software package for quantitative analysis in Panbiogeography
An information system for cyclists in Berlin and Brandenburg
Open Source Desktop GIS with Surveying and Cartography Functionality
Tool for assessment of environmental services on farm scale.
Adjustment of local surveying networks, binary builds for Windows
Deed and people mapping for genealogists and local historians
Tool to work on map data, to check the data and generate your own maps