Free Open Source Chartplotter and Marine GPS Navigation Software

OpenCPN Chart Plotter Navigation

Win   Mac   Linux   Raspberry Pi

Boat Navigation Software

OpenCPN is a concise and robust Chart Plotter Navigating software program.   It is designed to be used at the helm station of your boat while underway,  allowing you to easily chart a course and track your position right from your laptop.  And its free.

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Featured Gallery Photo Eluthera, Bahamas  by Jim Austin, s/v Salty Paws

New Beta 4.5.213 released February 13.


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