Gifox - Delightful GIF Recording and Sharing App for macOS
GIPHY for iMessage - The easiest way to share all the GIFs in all your txts
Giffing Tool - Giffing Tool is simply put: The fastest creator of high quality captioned GIFs available.
Doll Up Stickers - Dress up your messages.
Instagiffer - Create GIFs from anything!
Bobble Stickers for iMessage - One selfie, Unlimited Stickers!