port of the X Window System server to Windows. It shares the same source code base as Cygwin/X, but does not depend on the Cygwin environment or cygwin1.dll. Xming is a fully featured X11 server for Windows that is very simple to install and use.
a simple client and server to allow the forwarding of Lan packets over the Internet or in an intranet network. It was made to play multiplayer games with no direct IP connection when players are not in the same local network