Design Principles - An open source repository of design principles and methods
Control Illustrations - 108 free flat illustrations with customizable characters
UX Research Field Guide - Your map to the world of UX research 🌏🕵️♀️
Free illustrations - Find free to use illustrations & vectors
Business-Driven Digital Product Design - A guide on how to create influential user experience
Struct Illustrations - Create your own unique story with editable illustrations