Well, actually, in the US we don't really face the issues the Europeans do.
I fact, I've shipped hobbyist projects not just around the US, but also back and forth to Canada without a problem.

Regulatory agencies in the US don't tend to bother with low volume hobbyist projects.

Vampire has just scaled up to the point where its really an issue.
It would be here, I'm sure it is there, and since Aeon and AmigaKit are incorporated...