Xming is an implementation of the X Window System for Microsoft Windows operating systems

• https://en.wikipedia.org/wiki/Xming

The Xming X server is based on Cygwin/X, the X.Org Server.

• https://en.wikipedia.org/wiki/Cygwin/X – the X server, I had used occasionally on Windows
• https://en.wikipedia.org/wiki/X_Window_System

  I heard of Xming last night at the etengo Hamburg freelancer meet up.