so with NEDM I can tell it specifically where I want my windows to open. Sway is generally automatic. say you want to open 3 terminals with a keybind sway is going to open them in the logical order it feels they should be opened. NEDM doesnt' do that. you tell it specifically WHERE on your screen you want these terminals opened via keystrokes.
so like in nvim if you have a treesitter you can navigate between your main workspace and the tree by hitting like space w h right? you do the same thing with NEDM to navigate windows. alt+space h j k l whatever. I can split my terminals horizontally with s or vertically with S. I can also split "empty spaces" or frames in the same way WITHOUT having anything open in them. so for example I can split my browser vertically and then in the empty space go ahead and split that up so I can open stuff in there as needed when I need it without having to open something, like a terminal, in order to split it up.
Sway is great if I want to let Sway decide how to manage my windows. I want complete 100% control though so I built this.