GIPHY for iMessage - The easiest way to share all the GIFs in all your txts
MessMoji - Emoji stickers for iMessages
Askey - Turn your drawings into text & emoji on iOS!
Dango - Use emoji, stickers & gifs faster 😄 💬
GIFjam for Messenger - Animated GIF memes for Facebook Messenger
Neural Network Generated Illustrations - Create a personalized sticker pack in Allo