Arch Linux

1. OpenRazer

First, you’ll need to install openrazer-meta from the AUR.

pacaur -S openrazer-meta

There’s a bug with yaourt, consider using pacaur instead. See the OpenRazer website for original instructions. Be sure to restart the computer after installing.

2. Polychromatic

The packages are avaliable from the AUR:

yaourt -S polychromatic
pacaur -S polychromatic