OpenRGB - OpenRGB is an all-in-one network-based software development kit that allows you to use third-party software to control all of your RGB.
CoreCtrl - CoreCtrl is a Free and Open Source GNU/Linux application that allows you to control with ease your computer hardware using application profiles.
Artemis RGB - An overview of the guides that'll teach you how to use Artemis
MSI Afterburner - Tool to manage video cards. Shows video card stats (temp, GPU usage, etc.).
Project Aurora - Gaming Software
ASUS GPU Tweak - ASUS GPU Tweak fully implements TechPowerUp’s GPU-Z analysis and monitoring features.