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.
XML-Sitemaps.com - Free Online Google Sitemap Generator.
CS50x - HarvardX (edX) - An introduction to the intellectual enterprises of computer science and the art of programming.
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.