QuickRes is described as 'Unlocks the full power of your Mac's display. Bypass Apple's restrictions, safely and quickly' and is an app. There are 2 alternatives to QuickRes for Mac. The best QuickRes alternative is SwitchResX.
SwitchResX is a tool designed to manage resolutions of all your monitors and HDTVs. This includes convenient methods for managing the contents of multiple desktops, for creating custom resolutions for non-standard TVs and other display devices, and even advanced scripting...
Resolutionator makes it simple to use any of your display's available resolutions. Need more space for a project? A quick click of a menu bar icon—or press of a keyboard shortcut—lets you easily switch to any available resolution.
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