Lemon Squeezy - Sell digital products the easy-peasy way
Design Principles - An open source repository of design principles and methods
Teachify - Build & manage your digital products, and sell anywhere.
Product Disrupt - A design student's list of resources to learn Product Design
Gumroad - An all-in-one solution to sell your work and grow your audience.
UX Research Field Guide - Your map to the world of UX research 🌏🕵️♀️