StickerPop API - Embed all the best stickers and GIFs into your apps.
iOS Jetpack - Beautiful easy-to-use screenshot templates for App Store
Zimit - Configure price quotes for services
App Screenshot Maker - Design marketing screenshots for your app in minutes
Acrylic Charms by Sticker Mule - Add some charm to your life.
Promomatic - Easily create beautiful app store assets