Mutter (software)
| Mutter | |
|---|---|
| Developer | GNOME Project |
| Initial release | April 2011 |
| Stable release | 49.4
/ 10 February 2026 |
| Written in | C |
| Operating system | Unix-like |
| Size | 40.2 kB (amd64 .deb package) |
| Type | |
| License | GPL-2.0-or-later |
| Website | mutter |
| Repository | gitlab |
Mutter is a window manager initially designed and implemented for the X Window System, but then evolved to be a display server ("Wayland compositor"). It became the default window manager in GNOME 3, replacing Metacity which used GTK for rendering. "Mutter" is a combination of "Metacity" and "Clutter".