EasyGPS can be used to upload and download waypoints to your GPS devices.
OziExplorer maps GPS and works with Garmin, Lowrance, Magellan, Eagle, Brunton..
It is designed for visual authoring of GPS-maps in various cartographic formats.
Allows you to import your GPX files and convert them in to Lowrance .USR files.
Useful and customizable task scheduler and event management tool.
Easily print marine chart as a handy, readable booklet using normal printer!