Viking is a free/open source program to manage GPS data
Toolkit for working with and mapping geospatial data
Geographic feature extraction and data mining
Geodesy based library (geodetic and geocentric functions)
Library for OpenStreetMap offline rendering and routing
FastVersion is a Qgis plugin for data versioning in a Postgis database
Multiplatform Ham Radio APRS and Mapping Program
QNetMap is the library for displaying the map and the objects on it
Open Street Map (OSM) tools, OSM/XML parser, tag extractor
A gui for linux users of miniHomer, a GPS tracker
A frontend for gpsbabel
Visualize data from the opencellid.org project
Multiscale Curvature Classification for LIDAR Data
a free and open map of wireless communicating objects