Viking is a free/open source program to manage GPS data. You can import, plot and create tracks, routes and waypoints, plan your prospecting trip on your gold maps and show OSM, Bing Aerial and other maps and geotaged images.
OziExplorer is GPS Mapping Software which runs on your PC or laptop and will work with Magellan, Garmin, Lowrance, Eagle, Brunton/Silva and MLR GPS receivers for the upload/download of waypoints, routes and tracks and most brand of GPS receivers for real time tracking of GPS position (Moving Map).
Program versions for :
PC computers - desktop / laptops / tablets $130
Android Devices - phones / tablets $25
Win CE Core Navigators $40
OziExplorer allows you to work with maps on the computer screen that you create from scanned or digital maps. Ideal for planning trips for boating, 4 wheel driving, flying, hiking etc and as a real time navigation aid.