from the github repo: 0: it's a lib, and there are at least 2 client being developed (ncurse and qt) 1: it currently compile on linux/os x/window 2: see 0.

from the github repo: 0: it's a lib, and there are at least 2 client being developed (ncurse and qt) 1: it currently compile on linux/os x/window 2: see 0. 3: no, but you could potentially host a "private" boostrap node and have a separate network.