"A paper notebook can be a perfectly good tool for managing
computer passwords. It requires no power to use. It can be safely
locked up. It's inexpensive and easy to use. But for various
reasons, many admins don't care for this approach. If you prefer to
use a computer to manage your passwords, take a look at Password
Gorilla. Password Gorilla is a personal password manager that runs
on Linux, Mac OS X, Windows, and just about any Unix..."