Gifox - Delightful GIF Recording and Sharing App for macOS
4Gifs.com - Funny Animated GIF archive.
Giffing Tool - Giffing Tool is simply put: The fastest creator of high quality captioned GIFs available.
Giphy - Search all the gifs and make your own animated gif
Instagiffer - Create GIFs from anything!
Gifyu - Upload GIF Images and Share Pictures Online