Chumpu iMessage Sticker Pack - Animated Chumpu cartoon stickers for iMessage
Custom Magnets by Sticker Mule - Fastest and easiest way to order custom magnets online
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.
Poly Mailers by Sticker Mule - Custom mailers that ship in 4 days for ecommerce shops
Sticker.Place API - Get stickers for your app
Brainyquote - Database of quotations by topic or author.