Greenshot - Greenshot is a free and open source screenshot tool that allows annotation and highlighting using the built-in image editor.
ezgif.com - Ezgif.com is simple online gif maker and toolset for basic animated gif editing.
ShareX - ShareX is a free and open source program that lets you capture or record any area of your screen...
Instagiffer - Create GIFs from anything!
LightShot - The fastest way to take a customizable screenshot.
Gifox - Delightful GIF Recording and Sharing App for macOS