Today’s featured promo on MacUpdate offers PasswordWallet 4.0.4 for US$9.95 (50% off, retail $20). “PasswordWallet is a convenient, easy to use, secure place to store all your usernames, passwords, PIN numbers, or combinations. For security, PasswordWallet uses the BlowFish encryption algorithm with 448-bit keys to protect your data. It requires Mac OS X 10.3.9 or later.