RDM is a system utility for macOS designed to unlock and apply unsupported screen resolutions. It functions as a display resolution manager that enables users to set their screens to high-density resolutions not natively available in standard system settings. The tool specifically manages Retina display scaling by enabling high-density pixel modes. This ensures the user interface remains sharp while increasing the usable workspace through the use of custom resolution overrides. These capabilities are provided via a menu bar interface that interacts with low-level system frameworks to modify
gfxCardStatus is an open-source menu bar application that keeps track of which graphics card your unibody, dual-GPU MacBook Pro is using at any given time, and allows you to switch between them on demand.
