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.
Uxcel - The easiest way to learn UX/UI design
Coursera - "Compilers" by Stanford - The course explores how high-level languages are compiled to low-level assembly.
UX Challenges - Done reading about UX? Start doing it.
CS50x - HarvardX (edX) - An introduction to the intellectual enterprises of computer science and the art of programming.
UI Coach - Become a better UI designer in 30 days