I’ve been able to connect to the backbone from a Debian instance using CanBoat.
I was able to use OpenCPN to correctly plot the location of Loafers Glory using GPS data transmitted over NEMA 2000 to the USB gateway to a Virtual Debian system where it was converted to TCP by CanBoat… A long passage for vital data.
Future additions under consideration
Note that this is significantly out-of-date. See the updated page for more up-to-date information