Zimit - Configure price quotes for services
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.
Saycons - Use Saycons when words are not enough!
Acrylic Charms by Sticker Mule - Add some charm to your life.