Official site of OpenCPN Chart Plotter Navigation software. Thousands of boaters already use OpenCPN as their main navigational tool. You can too. Its open source.

OpenCPN Latest Release OpenCPN is free, open source software for marine navigation. It is available for Mac OSX, Microsoft Windows, GNU/Linux, BSDs and Solaris. [Current Version]

Oct 1, 2011 · For Ubuntu Linux and it's derivatives (Linux Mint) and Debian Jessie based distributions, OpenCPN is distributed from a PPA. How to add the OpenCPN PPA into an Ubuntu system.

OpenCPN (Chart-Plotter Navigation) is free chartplotter and GPS navigation software for use on boats. Here are some key features you'll love using.

Step Two Download and Install Charts OpenCPN does not come with charts. Don't worry, we've provided a list of chart sources. How to use the built-in chart installer. Instructions - Text or Video

OpenCPN Help & Documentation. Online User manual, Supplementary hardware & software how-tos, and Developer manual.

Quick Start Guide Start by using your favorite Windows, Mac or Linux desktop or laptop computer. Do not get sidetracked by OpenCPN flexibility and secondary features. Stay focused on getting …

Independent Providers Who Carry Charts Known to Work on OpenCPN The Chart Downloader feature included with OpenCPN 4.2 and above, will help you download, update and organize most of these …

Downloading the OpenCPN installation files. OpenCPN is supported on many operating systems including Microsoft Windows, Apple Mac OS X, Android and many distributions of Linux.

Thanks to volunteer interpreters, like you, OpenCPN Supports 20+ languages. If your native language isn't supported yet, a tiny bit of your time can make it happen.