EnDecryptor is a Python module that provides a salty slide rule string encryption and decryption utility for desktop and Android devices (through SL4A).
EnDecryptor running on a Gnome Terminal.
When it comes to online accounts, I'm paranoid. I'm also lazy.
From what I've heard, the most common method of cracking an online account, such as your Yahoo! Mail, is a bruteforce dictionary-based attack. That's when an attacker runs a program that tries to guess your account's password by using common expressions. That is why many online services recommend that we use a combination of small letters, big letters, and numbers in our passwords as these combos make it more difficult for dictionary-based attacks to succeed.
Those attacks still succeed because we tend to use expressions that are familiar to us. For example, instead of using “password” as our password we might use “pA55w0rD”, hoping to throw off the attacker's program by using a combination of letters and numbers. But attacker programs grow very smart over time and they will be able to bruteforce their way into guessing our variations of familiar expressions.
EnDecryptor tries to add more difficulty for those attacker programs by turning two very easy to remember expressions (because I'm lazy) into gibberish, which serves as my (hopefully) impossible to guess password.