OpenRPG is an Internet application that allows people to play Role Playing Games and some miniature based war games in real-time over the Internet. OpenRPG helps facilitate character tracking, miniature battles, and adventure building.
GMUVE (Graphical Multiuser Virtual Environment) is an engine/framework that lets large numbers of users interact in a 3D world. GMUVE is a peer to peer networked OpenGL application that can be used for MMPOG or 3D chat. It is available in Python and JAVA