SlidesPro - Google Slides add-on w/ shortcuts, YT videos & more
Acrylic Charms by Sticker Mule - Add some charm to your life.
Slideflow - Turn your Google Slides into a website in seconds.
Zimit - Configure price quotes for services
Brand Kit by Premast - Manage, share and create branded content in PowerPoint
Chumpu iMessage Sticker Pack - Animated Chumpu cartoon stickers for iMessage