i found this network protocol a few month ago and loved the idea of sharing 3D data in real-time ^^
and a C# implementation :
and Verse 2.0 is also in development … but i could not compile it on windows so …
there are also some pugins for blender and 3d studio max and gimp but i didnt test them.
You can download Eskil Steenberg’s dev tools (3d Modeler … ) on his side http://www.quelsolaar.com/love/index.html.
They are free and with source code!