Google's Python Class - Assorted educational materials provided by Google.
Scott Murray Tutorials - Design, data, visualization, culture.
Learn Python The Hard Way - One of the best guides to learn Python & coding in general
MarkSheet - Browser-based guide and tutorial for HTML and CSS tutorial
A Byte of Python - A Byte of Python is a Python programming tutorial and learning book that teaches you how to program with the Python programming language.
CoffeeScript Ristretto - "Beliefs that are incompatible with human dignity and the fundamental rights of others are not worthy of respect in a democratic society."