Screen Resolution Manager - Screen Resolution Manager is one of the robust and streamlined desktop applications that come with an easy way to adjust your screen resolution.
ShareX - ShareX is a free and open source program that lets you capture or record any area of your screen...
EasyRes - EasyRes is a fast screen resolution switcher for Mac OS X with live animated previews.
Greenshot - Greenshot is a free and open source screenshot tool that allows annotation and highlighting using the built-in image editor.
HRC – Hotkey Resolution Changer - If you are looking for a sumptuous desktop application that will overcome every bit of your need to adjust the brightness, resolution, and color contrast of your screen, then Hotkey Resolution Changer can be a smart option for you.
LightShot - The fastest way to take a customizable screenshot.