Handsome Illustrations - Create unique illustrations for websites & applications.
Mobile Chat Kit - UI kits & sample apps for building in-app mobile chat
Struct Illustrations - Create your own unique story with editable illustrations
Ambient Design - Ambient is a mobile app design market where you can get unique mobile UI kits.
Ouch! Illustrations by Icons8 - Professional, perfectly matching, and customizable illustrations for any designs
iOS Design Kit - The newest library of native iOS templates