Metaverse
One of the first things that frustrated me about Second Life was the restrictions on real-estate that are necessary for Linden Labs business model. Having to buy land in a virtual world seems bizarre, unless you're the one selling it, of course.
What I want is an open-source world server where I can set up my own world and use hyperlinks to join the boundaries of my world others - like a kind of web of virtual worlds.
As none of my ideas are original, it was of no surprise to me to find this... Open Source Metaverse Project