Wayland

Wayland is a windowing system protocol and specification which is intended to replace the X11 server protocol.

Wayland is not itself a program which you can run. It is like ECMAScript to JavaScript.

For more why info, check out the Wayland architecture documentation.

Compositors

A display server which implements the Wayland protocol is called a compositor.

Some examples of existing compositors:

• weston - A small, sample implementation of a Wayland compositor.
• sway - The de facto standard Wayland compositor, based on i3.
• Hyprland - A newer, more questionably developed compositor.