OpenCPN

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OpenCPN
DeveloperThe OpenCPN Authors
Stable release
5.12.2 [1] / August 2, 2025 (2025-08-02)
Repositorygithub.com/OpenCPN/OpenCPN
Written inC, C++
Engine
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    Operating systemCross-platform
    TypeChart plotter and navigation
    LicenseGPL v2[2]
    Websiteopencpn.org

    OpenCPN (Open Chart Plotter Navigator) is a free software maritime chart plotter and navigation software for use underway or as a planning tool. Developed by a team of active sailors and tested in real world conditions, it has multiple supported chart formats and a variety of data inputs.[3][4]

    By using satellite navigation and other NMEA 0183 data feeds, OpenCPN determines a ship's own position and status from sensors such as AIS receivers to automatically plot and track the positions of ships in the neighborhood.[5]

    In 2017 Norwegian ENC charts were available for OpenCPN.[6]

    References

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    See also

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