> There's a Windows app I used to use that supports the same kind of thing for Windows

Taekwindow:

https://ttencate.github.io/taekwindow/

I rarely use Windows but any box I do need to use for a while, I put Taekwindow on it. I only want the Linux feature of middle-clicking the titlebar to send to the back, myself, I don't want or need moving or resizing, but they're there.