Wayland (display server protocol)
Wayland is a protocol that specifies the communication between a display server (called Wayland compositor) and its clients, as well as a reference implementation of the protocol in the C programming ...
Wayland (display server protocol) - Wikipedia
KWin
KWin is KDE's X window manager and in the process of becoming a Wayland compositor. It is the default window manager of the KDE Plasma 4 and KDE Plasma 5, but it can also be used on its own or with ot...
KWin - Wikipedia
Mutter (software)
Mutter is a window manager for the X Window System, and is in the process of becoming a Wayland compositor; it became the default window manager in GNOME 3, replacing Metacity. While Metacity uses GTK...