in RelatedProjects :
"Our vision is to foster an independent community in which many free games can develop and evolve with unique roleplaying-oriented worlds and rules, running on a wide selection of server and client implementations with a standard networking protocol tying everything together."
Hmm, the goals seem similar to DreamStones, except that they're (mainly) doing 3D.
Their main underlying technology is their protocol, Atlas. Since I'm in favour of inter-community cooperation, pooling resources, etc. I should try and use it.