[magios]

i use i3wm so there are various keybindings you can use. for mouseless stuff i use xdotool to move the pointer in 16 or 64 pixel increments using the keyboard. if i could toggle the mouse pointer on and off i would.

[isaif]

You can use unclutter to hide the cursor after a period of inactivity. https://wiki.archlinux.org/title/Unclutter

[lolive]

Warpd is really cool in that context. (https://github.com/rvaiya/warpd)

First, hint mode: https://github.com/rvaiya/warpd#hint-mode-alt-meta-x

switching to normal mode: https://github.com/rvaiya/warpd#normal-mode-alt-meta-c