StickerPop API - Embed all the best stickers and GIFs into your apps.
Twidd - Enhanced Twitter DMs - Create and use DM templates, all within a browser extension.
Acrylic Charms by Sticker Mule - Add some charm to your life.
Smart Stickers - 90 catchy illustrations for attractive designs
GIPHY Stickers for Instagram Stories - Add fun GIF stickers to any photo or video in your story
#Stickers on Twitter - Now you can add stickers to your photos on Twitter