There are 1 repository under hidpi-screen topic.
My i3 configuration with polybar for HiDPI screen (4k)
Configure and automate KDE Plasma DPI scaling
gnome shell extension for switching window scale factor.
simple script to toggle between high and lower dpi in linux using xrendr. Perfect to use in a panel launcher or similar
A one-line command that enlarges title bar to 140% in Cinnamon Desktop