a multi-purpose application level gateway, or a proxy server which runs on multiple platforms (Unix, Windows, MacOS X and OS/2). DeleGate mediates communication of various protocols (HTTP, FTP, NNTP, SMTP, POP, Telnet, SOCKS, etc.)
a 3D multiplayer online RPG. It is designed to be a purely dynamic, large open environment for players to explore and play out a life however they wish.
a toolkit for the development of massively online universes. It provides the base technologies and a set of development methodologies for the development of both client and server code.