Viking is a free/open source program to manage GPS data
GPS log file viewer and analyzer
GPS track editor for editing tracks and planning (multiple) day tours
Free software for maps
Sight Reduction for Air Navigation with Python
Offline OpenStreetMap maps for iOS and Android
Korean Spatial DBMS Driver
The full-featured, easy-to-use desktop GIS with real processing power!
C# class library for processing OpenStreetMap data
Land survey field crew data management for .RAW and .JOB file types.
Create cartographic map frames from an XML template
Automate merging / importing of country data from different sources
Lowrance Navico BR24 Radar Network Protocol Implementation