A free software project to create a concise chartplotter and navigation software
OpenCPN is a free software (GPLv2) project to create a concise chartplotter and navigation software for use as an underway or planning tool.
A free software project to create a concise chartplotter and navigation software
OpenCPN is a free software (GPLv2) project to create a concise chartplotter and navigation software for use as an underway or planning tool.