If there truly isn't one then it sounds like a huge gaping void to fill for board users.
Though there might be the equivalent in Facebook groups.

No. There isn't one.
It'a like asking what everyone else is breathing. There is only air. There was no need for anything else
Very sad indeed. I used to be able to loose myself for hours reading what people thought of something I like, hated, couldn't understand.
Now I will be a lone with only google to try and find an answer that will never be quite right.