Do you know about the SignalK workspace at Slack ? It's a really nice space
where you could meet the developers and also get support.
If you don't are active there you can get an invite filling in your
e-mail adress at
I'm following the dialog on Slack and for some weeks ago I stumbled over a post from @chris saying that you could
get, with internet connection, the online charts from Eniro
displayed in Freeboard. As you see in the picture it's just for the Nordic
countries.
Another post installing offline charts.