OpenCPN is a free software (GPLv2) project to create a concise chart plotter and navigation software, for use underway or as a planning tool.
Free
Open Source
Mac OS X
Windows
Linux
Android
opencpn is a free software (gplv2) project to create a concise chart plotter and navigation software, for use underway or as a planning tool. opencpn is developed by a team of active sailors using real world conditions for program testing and refinement.
features
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 "nvchart" support through plugins. cm93 vector chart support, with per cell offset corrections. opengl support for enhanced performance on modern hardware. singlechart and quilted display modes. northup, courseup and chartup display modes. movingmap display mode. route navigation with ship tracking functions. waypoint navigation. dashboard, for configurable onscreen 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 file input and display for weather forecasting. gpx waypoint, track and route input and output file support. tide and current prediction and display by location. route planning with tidal support. builtin greatcircle 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, world magnetic variation, voyage data recorder, ais radar, sar and a logbook, plus many more. multilanguage support. 20+ languages supported.
OpenSeaMap's goal is to add nautical and tourism information a sailor could be interested in to OSM (OpenStreetMap) and to present it in a pleasing way. ...
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