Universal Class: Over 500 online courses free with your library card.

GCFLearnFree.org: Offers a wide variety of classes in addition to computer tutorials.  This listing is not the comprehensive list of tutorials available from the site. 

Techboomers: Learn how to use popular websites including Facebook, Netflix, Amazon.com, Twitter, Skype, Instagram, Gmail, Webmd, Wikipedia and more.

Freetypinggame.net: Games, lessons, and tests

Funtotype.com: Typing games