Phoenix is described as 'Lightweight OS X window and app manager scriptable with JavaScript. You can also easily use languages which compile to JavaScript such as CoffeeScript. Phoenix aims for efficiency and a very small footprint' and is a Window Manager in the os & utilities category. There are more than 50 alternatives to Phoenix for a variety of platforms, including Linux, Wayland, BSD, Mac and Windows apps. The best Phoenix alternative is Hyprland, which is both free and Open Source. Other great apps like Phoenix are niri, Sway, i3 and Openbox.