Alternatives to GPSNavX Marine Navigation

Mozilla Firefox for Mac

Program license: Free

Search engine with capabilities for looking at information online

Program license: Trial version

A large and varied collection of desktop wallpapers that feature an aquarium and nautical theme

Program license: Paid

An application that allows you to view the GPX files exported from various GPS devices

Program license: Paid

Access, edit, and save GPX files in a variety of different ways and create waypoints