yabai is described as 'Started as a C99 rewrite of chunkwm, originally supposed to be its first RC version' and is a Window Manager in the os & utilities category. There are more than 100 alternatives to yabai for a variety of platforms, including Linux, Mac, Wayland, BSD and Windows apps. The best yabai alternative is Hyprland, which is both free and Open Source. Other great apps like yabai are Rectangle, niri, Sway and Loop - Window Management.
The Emerald Theme Manager allows you to install, edit and switch between Emerald themes. In order for it to work, select Emerald as your window decorator. You will also need to enable the Window Decorations plugin (via CCSM).
Sway is an incredible window manager, and certainly one of the most well established wayland window managers. However, it is restricted to only include the functionality that existed in i3. This fork ditches the simple wlr_renderer, and replaces it with our fx_renderer, capable...
spectrwm is a small dynamic tiling window manager for X11. It tries to stay out of the way so that valuable screen real estate can be used for much more important stuff. It has sane defaults and does not require one to learn a language to do any configuration.
hikari [ja. Light] is a stacking Wayland compositor which is actively developed on FreeBSD but also supports Linux.
wmii is a small, dynamic window manager for X11. It is scriptable, has a 9p filesystem interface and supports classic and tiling (acme-like) window management. It aims to maintain a small and clean (read hackable and beautiful) codebase.
Wins is a Windows Manager, which brings system-level arrange window features to Mac.
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