XML-Sitemaps.com - Free Online Google Sitemap Generator.
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.
DYNO Mapper - Create Sitemaps with the DYNO Mapper Visual Sitemap Generator.
Coursera - "Compilers" by Stanford - The course explores how high-level languages are compiled to low-level assembly.
PowerMapper - Create visual HTML site maps and XML sitemaps for search engines of any web site quickly and easily.
CS50x - HarvardX (edX) - An introduction to the intellectual enterprises of computer science and the art of programming.