Emoji CSS - Add Emoji's to your website
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.
Discord Emoji - Iconfinder, but for emoji.
Sticker Pricing - Easily calculate the cost of a sticker pack for messaging
Slackmojis - A directory of the best custom slack emojis
Chumpu iMessage Sticker Pack - Animated Chumpu cartoon stickers for iMessage