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It is not, unfortunately. I am familiar with Savage Worlds though and it's one of my favorite systems. I can't promise anything because I have too many irons in the fire but maybe one day we'll drop some SW content that will be compatible with Savage PF.

Probably never. I'm not a user of Fantasy Grounds. 

That said, before any VTT expansions I would probably want to have a full release of the book anyway, which is looking iffy between my focus shifting to a different book, and the general public response between the 2014 and 2024 rules. It'll definitely happen I think. It's just going to take a while.

Yes and no. There are no foundry VTT parts in this, but Foundry is also a very flexible system. So you could use these rules, but you'd have to manually make things as they come up.