John "Pathfinder" Lester has an inspiring post about Devokan Trust on OSGrid, a collection of regions on the OpenSimulator-based OSGrid which were inspired and built by fans of Myst/Uru Live. Originally, they were created in Second Life, but, as Devokan member Dot Macchi explains:

[We] ventured into Second Life, and acquired and built a sim or two (named plain "Devokan" this time). However, the horrendous cost of land in SL is unsustainable if you don't have a commercial bent, and so we sadly gave up the sims... About the same time I was investigating the possibility of renting regions in OSgrid. So the story developed into one of transferring the essence of places across worlds/universes.

Read more here. The upshot is Devokan reborn in OpenSim for much less than it would cost to exist in SL, and reborn beautifully; they're easily some of the best OpenSim regions I've ever seen. Click to see Pathfinder's many pictures of this place.