Wraith Master Alternatives
Wraith Master is described as 'feature-complete graphical and command-line application for controlling the RGB LEDs on AMD's Wraith stock coolers. At the moment, the only supported cooler is the Wraith Prism, but there are plans to add other Wraith coolers as well' and is an app. There are four alternatives to Wraith Master for Windows, Linux and Mac. The best alternative is OpenRGB, which is both free and Open Source. Other great apps like Wraith Master are Project Aurora, Artemis RGB and ProRGB.
Open source RGB lighting control that doesn't depend on manufacturer software. For Windows, Linux, MacOS.
Project Aurora unifies RGB lighting devices across different brands and enables them to work alongside each other, all while adding and improving RGB lighting support for various games that previous had none or little RGB lighting support.
Discontinued
The last update was in June 2020, but there's an active fork here: https://github.com/Aurora-RGB/Aurora
Artemis 2 adds highly configurable support for several games to a range of RGB keyboards, mice and headsets.
ProRGB Software is part of advanced LED lighting system developed by Color Lumi. It allows user to easily set-up and customize lighting colors and effects.