Math Medics
S.o.s. Math: The Chain Rule
Finding derivatives by using the chain rule is explained through examples in this tutorial.
Interactive Mathematics
Interactive Mathematics: Powers of a Function
The Chain Rule is presented with a detailed example. It is followed by a demonstration of how the Chain Rule is applied to power functions.
Other
Karl's Calculus Tutor: The Chain Rule
This site provides a detailed overview of the chain rule. Content includes several examples, applications, and exercises.