OpenCPN Open Source Chart Plotter and Ship GPS Navigation Application
OpenCPN is a free and open source chart plotter and marine GPS navigation application for Linux, Windows and MacOS. You can download pre-configured charts, create routes, track your ship and it comes with with build-in route and mark manager, collision alerting, weather routing plugin, Waypoint navigation, Autopilot output support. Currently it supports Worldwide standard S57 and encrypted S63 vector chart, BSB v3 and MBTiles chartsets. You can also extend its features via plugins.
