brightnessctl : A program to read and control device brightness ( https://github.com/Hummer12007/brightnessctl/ )
cliphist : Wayland clipboard manager with support for multimedia ( https://github.com/sentriz/cliphist )
Add an ebuild in portage :
The ebuild is now in the portage tree.
You can also use layman : emerge layman then layman -a hyprland-overlay
For Paludis use this rsync : rsync://gentoo.zugaina.org/hyprland-overlay-portage
If you have a problem : ycarus(-at-)zugaina.org