metacity: metacity (GNOME Window Manager) metacity: metacity: Metacity (rhymes with "capacity") is a window manager used by default metacity: in the GNOME desktop environment. The development of Metacity metacity: was started by Havoc Pennington and it is released under the GNU metacity: General Public License. metacity: metacity: Although Metacity is part of the GNOME project and designed to metacity: integrate into the GNOME desktop, it does not require GNOME to run, metacity: and GNOME can be used with different window managers. metacity: