OpenCPN is free, open source software for marine navigation. It is available for Mac OSX, Microsoft Windows, GNU/Linux, BSDs and Solaris.

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Stable Release 2.3.1:

The latest stable release of OpenCPN (as of December 31, 2010) is 2.3.1.



 Download OpenCPN 2.3.1 for Windows® 2000/XP/Vista/7

Download OpenCPN 2.3.1 for 32 bit Fedora and CentOS.

Download OpenCPN 2.3.1 for 64 bit Fedora and CentOS.

 Download OpenCPN 2.3.1 for 32 bit Ubuntu Linux.

 Download OpenCPN 2.3.1 for 64 bit Ubuntu 10.10 Linux.

Download OpenCPN 2.3.1 source code for all OSs



See  http://opencpn.org/compiling_source_linux for Linux build instructions

       http://opencpn.org/compiling_source_windows Windows build instructions