Keeping track of your frequent flyer miles, when they’re about to expire and what special rain dance you have to do to actually use them can be a big hassle. Award Wallet a free site that does a bunch of the dirty work for you, operating like a Mint.com for frequent flyer miles.
You enter in the logins and passwords for your different frequent flyer mile programs and Award Wallet then starts keeping track of your miles (You can opt to save your passwords locally if you prefer). The service shows you how many miles you have, lets you redeem through their interface, and send an email when points are about to expire.
A useful tool for playing a sometimes complicated consumer rewards program game.