Package Request: opencpn
http://opencpn.org/ocpn/download
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.
(from redmine: issue id 5847, created on 2016-07-04, closed on 2016-07-12)