iCUE - CORSAIR iCUE software connects all your CORSAIR iCUE compatible products together in a single...
SpeedFan - Hardware monitor for Windows that can access digital temperature sensors located on several 2-wire SMBus Serial Bus. Can access voltages and fan speeds and control fan speeds. Includes technical articles and docs.
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.
Open Hardware Monitor - Monitors temperature sensors, fan speeds, voltages, load and clock speeds, with optional graph.
CoreCtrl - CoreCtrl is a Free and Open Source GNU/Linux application that allows you to control with ease your computer hardware using application profiles.
smcFanControl - [Download] smcFanControl 2.