Greenshot - Greenshot is a free and open source screenshot tool that allows annotation and highlighting using the built-in image editor.
ShareX - ShareX is a free and open source program that lets you capture or record any area of your screen...
ScreenToGif - This tool allows you to record a selected area of your screen and save as a animated gif.
LightShot - The fastest way to take a customizable screenshot.
recordit.co - Make a short video capture of your desktop as a gif.
Snagit - Screen Capture Software for Windows and Mac