Are there special wallets or other "gadgets" that can help me arrange and identify my money?

There are a number of online catalogs that offer aids, devices and appliances specifically for people who are blind or have low vision.

Beeping Wallet Wallet beeps when credit card or driver's license or large bill is withdrawn. Find this at The Added Touch.
Organizer Wallet

Organizer Wallet with separate compartments for different bills and credit cards? Find this at LS&S.

men's wallet Men's Wallet with separate compartments for different bills Find this at IndependentLiving.com.?

These companies offer adapted wallets, totes, coin purses and talking products: