the ultimate list of educational websites

courses
=======

http://coursera.org
http://ureddit.com
http://udacity.com
http://edx.org

videos
======

http://khanacademy.org
http://TED.com
http://academicearth.org
http://unplugthetv.com
http://thenewboston.org/tutorials.php
http://youtube.com/user/crashcourse
http://youtube.com/user/minutephysics
http://youtube.com/user/CGPGrey

music
=====

http://justinguitar.com
http://musictheory.net
http://ultimateguitar.com
http://playbassnow.com
http://howtoplaypiano.ca
http://teoria.com

random knowledge
================

http://mentalfloss.com
http://fuckinghomepage.com
http://snopes.com
http://nowiknow.com
http://badassoftheweek.com
http://sporcle.com
http://ifeveryoneknew.com
http://wikipedia.org

lifehacks
=========

http://zenhabits.net
http://lifehacker.com
http://artofmanliness.com
http://lifehackninja.com

cooking
=======

http://cookingforengineers.com
http://cooklet.com
http://reluctantgourmet.com/technic.htm
http://how2heroes.com

language learning
=================

http://duolingo.com
http://memrise.com
http://bbc.co.uk/languages
http://livemocha.com
http://busuu.com
http://verbling.com

books
=====

http://www.gutenburg.org
http://librivox.org
http://bartleby.com
http://poemhunter.com

programming
===========

http://codeacademy.com
http://learncodethehardway.com
http://htmldog.com
http://trypython.org
http://rubymonk.com
http://codingbat.com

DIY's/How To's
==============

http://instructables.com
http://thedailymiscellany.com
http://wikihow.com
http://wonderhowto.com
http://howstuffworks.com
http://howcast.com

documentaries
=============

http://topdocumentaryfilms.com
http://documentaryheaven.com

other
=====

http://etymonline.com
http://erowid.org
http://lesswrong.com
http://lizardpoint.com
http://photo.net/learn
http://freerice.com
http://thinktutorial.com
http://thechesswebsite.com
http://investopedia.com/university

math
====

http://wolframalpha.com
http://projecteuler.net
http://mathrun.net