Most IT professionals are aware that it's generally a very bad idea to reuse passwords, as well as the importance of regularly changing one's password. However, the major problem stymieing secure password practices has been the challenge inherent in remembering more than a couple of passwords for any length of time. Well, this is where the open source KeePass Password Safe comes in. This free password manager helps you to remember all your passwords, protecting the database with the robust AES and Twofish encryption. KeePass is available for Windows, though ports for the Linux, Mac OS X and other platforms are available. You can visit the KeePass site, here.