Chartplotter and GPS Navigation Software
A free software (GPLv2) project to create a concise chart plotter and navigation software, for use underway or as a planning tool.
Developed by a team of active sailors using real world conditions for program testing and refinement.
The most recent stable version, OpenCPN 4.4.0 was published on June 13, 2016.
- Worldwide, standard, S57 and encrypted S63 vector chart support.
- IHO S52 compliant display of S57 and S63 vector charts.
- BSB v3, and earlier, raster chart support.
- "BSB4" and "nv-chart" support through plugins.
- CM93 vector chart support, with per cell offset corrections.
- OpenGL support for enhanced performance on modern hardware.
- Single-chart and Quilted display modes.
- North-up, Course-up and Chart-up display modes.
- Moving-map display mode.
- Route navigation with ship tracking functions.
- Waypoint navigation.
- Dashboard, for configurable on-screen display of ship's NMEA data.
- NMEA 0183 GPS interface at selectable baud rate.
- Advance NMEA message handling structure, with built in multiplexer.
- Autopilot output support.
- AIS input with full target tracking and collision alerting.
- AIS support for SART with selectable MMSI for automatic MOB handling.
- AIS support for DSC and GPSGate Buddies.
- Anchor watch/alarm functions.
- GRIB and GRIB2 file input and display for weather forecasting.
- GPX Gri, Track and Route input and output file support.
- Tide and Current prediction and display by location.
- Route planning with tidal support.
- Built-in great-circle routing.
- Integrated weather routing through qtVlm or separate plugin.
- GPX Layers for annotation of charts.
- A selection of display themes.
- A growing number of plugins. Climatology, Weather Routing, WeatherFax, Google Earth, Voyage Data Recorder, AIS-radar, SAR, a LogBook, and more.
- Multi-language support. 20+ languages supported.
- Windows XP SP3 , Vista, 7, 8, 8.1 and 10
- Linux, BSD, Solaris
- Apple Macintosh OS X
- An Android version is available
If you would like to participate contact the Team via the Forum.
Areas of interest are:
Bug Reports and Suggestions.