Traccar GPS Tracking System
GPS log file viewer and analyzer
Viking is a free/open source program to manage GPS data
Create, edit view GPX tracks (in the background - online maps)
Navigation and transit.
Application to browse and visualize your GPS files
GT2 combines online and offline navigation for hikers and cyclists
Viewer and analyzer for gps tracks
Plugin for OpenCPN
Analyze gpx files and store summary in Sqlite database