Viking is a free/open source program to manage GPS data
Toolkit for working with and mapping geospatial data
GPS track editor for editing tracks and planning (multiple) day tours
Geographic feature extraction and data mining
A software package for quantitative analysis in Panbiogeography
A project on topography and weather comparison
Tool to work on map data, to check the data and generate your own maps
Offline vector map display ported from OsmAnd
Geodesy based library (geodetic and geocentric functions)
A software gps simulator
Korean Spatial DBMS Driver
Recognizing biological data from a notebook.
FastVersion is a Qgis plugin for data versioning in a Postgis database