Free Open Source Chartplotter and Marine GPS Navigation Software

OpenCPN Chart Plotter Navigation

Win   Mac   Linux   Raspberry Pi

Chart Your Course

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 user gallery photo North of Amorgos Island, Greece  s/y Aethra

OpenCPN 4.6.1 released March 31. 2017
OpenCPN News Update June 29, 2017
New Plugin - oeSENC Chart Support

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