Goverlay
Goverlay is an easy graphical interface to configure MangoHud
...By abstracting complex configuration files into a visual interface, it makes advanced system tuning accessible even to users who are not comfortable editing text-based configs. The software is particularly useful for gamers seeking to optimize frame rates, visualize system metrics, or enhance graphical fidelity without manually managing multiple tools. It supports multiple installation methods including Flatpak and AppImage, ensuring accessibility across different Linux distributions.