Sticker.Place API - Get stickers for your app
Pivle - Daily graphic resources made with love
Acrylic Charms by Sticker Mule - Add some charm to your life.
Sticker Mule Transfer Stickers - Apply complex designs + logos to any surface w/ vinyl decals
Albmoji - Sticker & Emoji pack inspired by Albanian traditions.
Mobbin - Latest mobile design patterns & elements library