Where is the strongest community of Gramps developers? I love Gramp's extendibility and would like to get involved. I'd love to talk to some of the folks invol

Where is the strongest community of Gramps developers? I love Gramp's extendibility and would like to get involved. I'd love to talk to some of the folks involved, to learn more about their plans. I see the community at the official site, but I'm wonder if there's more activity elsewhere.