[ Thanks to Thomas
Chung for this link. ]
“Metisse is an experimental X desktop with some OpenGL capacity.
It is constituted by a virtual X server called Xwnc, a special
version of FVWM and an FVWM module FvwmAmetista (after
Ametista).“Xwnc is a mix of Xvnc and XDarwin. It draws nothing on your
screen, every things is drawn into pixmaps. Similarly as Xvnc, but
with a different protocol, Xwnc can send these pixmaps (and others
information) to a ‘viewer…'”