I looked into my Unix past and used nroff to format a short letter. I even defined the .PP macro with info from the 1980s troff manual.
Sway is a tiling Wayland compositor and a drop-in replacement for the i3 window manager in X11 https://swaywm.org/
A Vim guide for advanced users - The Valuable Dev https://thevaluable.dev/vim-advanced/
A Vim guide for intermediate users - The Valuable Dev https://thevaluable.dev/vim-intermediate/
Is Vim really not for you? A beginner guide - The Valuable Dev https://thevaluable.dev/vim-beginner/