This is an incredible compilation of free learning tools that will really get you thinking and give you a jump start if you're looking for something specific. Have fun exploring!
Peggy George
A Free Learning Tool for Every Learning Problem"
https://docs.google.com/Doc?id=dg46x272_2103d58wg2d9
Introduction by Stephen:
Let's explore the idea that there is at least one excellent free learning tool (or site) for every learning problem, need or issue! I want a FREE...