Gifox - Delightful GIF Recording and Sharing App for macOS
ShareX - ShareX is a free and open source program that lets you capture or record any area of your screen...
Giffing Tool - Giffing Tool is simply put: The fastest creator of high quality captioned GIFs available.
Greenshot - Greenshot is a free and open source screenshot tool that allows annotation and highlighting using the built-in image editor.
Instagiffer - Create GIFs from anything!
LightShot - The fastest way to take a customizable screenshot.