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.
FlowMapp - FlowMapp is a UX planning tool for creating visual sitemaps and user flow.
CS50x - HarvardX (edX) - An introduction to the intellectual enterprises of computer science and the art of programming.
A1 Sitemap Generator - A1 Sitemap Generator has been in active development and sold since 2005.
Coursera - "Compilers" by Stanford - The course explores how high-level languages are compiled to low-level assembly.
Octopus.do - Build your website structure in real-time and rapidly share it to collaborate with your team or clients. Start prototyping websites or apps instantly.