Archives of the Sky is a diceless, GM-less cooperative roleplaying system usually set in a distant future where great Houses of interstellar wayfarers dedicated to their mission and inviolable beliefs skip through the centuries at relativistic speeds, encountering conflicts and troubles that will pit their own Values against each other.

See http://archivesofthesky.textories.com/ for more details and rules.

Presently a few of us are experimenting with it on SpinDizzy.

Episode One