Sticker Mule Wall Graphics - Custom wall graphics for your home or office
Unixstickers by Sticker Mule - Stickers for fans of unix, software, coding and open source
Chumpu iMessage Sticker Pack - Animated Chumpu cartoon stickers for iMessage
Polymail - Native email app for email productivity.
Sticker Pricing - Easily calculate the cost of a sticker pack for messaging
Brainyquote - Database of quotations by topic or author.