bleachbit : Clean junk to free disk space and to maintain privacy ( https://bleachbit.org/ )
openrazer : Drivers and user-space daemon to control Razer devices on GNU/Linux ( https://openrazer.github.io )
polychromatic : RGB lighting management software for GNU/Linux powered by OpenRazer ( https://polychromatic.app )
razer-cli : Command line interface for controlling Razer devices on Linux ( https://github.com/LoLei/razer-cli/ )
razercfg : Utility for advanced configuration of Razer mice ( https://bues.ch/cms/hacking/razercfg.html https://github.com/mbuesch/razer )
roccat-tools : Utility for advanced configuration of Roccat devices ( http://roccat.sourceforge.net/ )
Add an ebuild in portage :
The ebuild is now in the portage tree.
You can also use layman : emerge layman then layman -a pg_overlay
For Paludis use this rsync : rsync://gentoo.zugaina.org/pg_overlay-portage
If you have a problem : ycarus(-at-)zugaina.org