Tech Tok

Multiverse
is a company that seems to have implemented what I was trying to do with
GmOne.
You can sign up to be a developer and download an SDK of some sort.
I’ve signed up to see what they have.

The idea is that you can set up your own 3D world, and people can use a general MultiVerse client to visit your world (and others).
Sort of similar to
There
and
Second Life
(and maybe a bit like World of Warcraft!).