Garmin BaseCamp for Mac: to do route planning and view the map on your MAC.
Garmin MapManager is an application for MAC PC’s only. Once you’ve installed your map (s) on your MAC your maps will be listed here (if you need to uninstall your map(s) from your MAC then you will do it in this application as well).
Garmin MapInstall is an application which enables you to transfer the map (s) to your GPS unit. You will use this application with Garmin BASECAMP.
Below is the download to this application:

