Magical Jelly Bean
The Magical Jelly Bean Keyfinder is a freeware utility that retrieves your Product Key (cd key) used to install windows from your registry
Recover product keys for Windows, Office, Adobe products, Acronis products, Electoric Arts games, WinZip, Nero and more than 3000+ other programs
PasswdFinder is a neat freeware utility that helps you find your lost passwords. Once installed, it will show you passwords saved by web-browsers, instant messengers and other programs.