OpenCPN

OpenCPN 3.2

Free
It allows you to create a concise chart plotter and navigation project
3.7  (20 votes)
3.6
4.6.1 (See all)

OpenCPN is an open source program that allows you to create a concise chart plotter and navigation project, for use underway or as a planning tool. It is a cross platform electronic navigation system (ECS) supporting a variety of cartography standards and harware interface protocols.

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