Design Principles - An open source repository of design principles and methods
The Design of Everyday Things - A timeless book, The Design of Everyday Things explores the fundamentalprinciples behind all design, and how to understand the psychology behind how we use things, and why they frustrate us.
UX Research Field Guide - Your map to the world of UX research 🌏🕵️♀️
The Elements of Typographic Style - The primary form of communication on the web is through text which makes typography one of the most important aspects to design for.
Business-Driven Digital Product Design - A guide on how to create influential user experience
CS50x - HarvardX (edX) - An introduction to the intellectual enterprises of computer science and the art of programming.