MakeAppIcon - MakeAppIcon resizes and optimizes your icon designs into all formats needed for iOS and Android mobile app!
Atomize - The most advanced Design System for Sketch
EasyAppIcon - EasyAppIcon helps you to create your own app icons easily. Supporting Android Adaptive Icon!
Sketch Confetti - Generate gorgeous confetti patterns in 1 click.
App Icon Maker - Create icons for mobile app stores online for free.
Sketch Repo - Collection of resources for anyone who uses Sketch