Better Scale helps Gnome & Budgie x11 users perfectly scale their desktop.

Macintosh-like Virtual Window Manager (official repo)

A modular and extensible wayland compositor

A Wayland window-stacking compositor

Automatic CPU speed & power optimizer for Linux

Fast desktop shell for wayland and weston.

tinywl-wlroots based window manager

A modular Wayland compositor library

Klassy is a highly customizable binary Window Decoration, Application Style and Global Theme plugin for recent versions of the KDE Plasma desktop.