Snackshots for Messenger - Create your own stickers in a few taps
SketchKeys - Learn Sketch shortkeys easily w/ keyboard stickers
Cover - Insurance for you and you and you.
Duckey - iOS keyboard for sending animated stickers
#Stickers on Twitter - Now you can add stickers to your photos on Twitter
StickerPop API - Embed all the best stickers and GIFs into your apps.