Sticker.Place API - Get stickers for your app
Really Good Emails - A large collection of good product email design.
GIPHY Sticker Embed - GIPHY powered sticker functionality for sites everywhere.
Good Sales Emails - Best sales emails from great companies
Holographic Stickers by Sticker Mule - Rad stickers with futuristic rainbow shine.
Great Email Copy - A dose of emails from around the web.