When comparing Sway vs Arcan, the Slant community recommends Sway for most people. In the question“What are the best Wayland compositors?” Sway is ranked 1st while Arcan is ranked 5th. The most important reason people chose Sway is:
Sway is designed as a Wayland port/replacement for the i3 window manager, and a lot of the config options for i3 work with Sway.
Specs
Ranked in these QuestionsQuestion Ranking
Pros
Pro Compatible with i3wm configs
Sway is designed as a Wayland port/replacement for the i3 window manager, and a lot of the config options for i3 work with Sway.
Pro Windows can be rearranged with the mouse
By holding down the modifier key, the mouse can be used to move and resize windows.
Pro Nice API for custom Window Managers
A pro- for programmers, but it is much easier to write a Window Manager for Arcan that it is for Xorg or any of the other options.
Pro Tons of features
So many things that can be done - video recording, streaming, clipboard managers, crash recovery, live window manager swapping, ... the list is endless.
Pro VR support
Pro Very customizable
Cons
Con Difficult configuration
To work it requires configured Lua files, command line options, environment variables.