Chumpu iMessage Sticker Pack - Animated Chumpu cartoon stickers for iMessage
Screenshot Tracker - Capture and keep track of full-sized web page screenshots
StickerSDK.Mojitok.com - In-app store of animated emojis, GIFs, and stickers with personal curations for 10x engagement and revenue - as seen on Samsung Galaxy.
Webshot - Free and Open Source screenshot website service
Sticker.Place API - Get stickers for your app
Screenstab - A tool to turn ordinary screenshots into beautiful image assets