1Password, look out. Apple has created a new feature in OS X Mavericks called iCloud Keychain, and as you would expect, it allows you to sync passwords, credit cards, and other personal information across multiple devices.
Just like 1Password, iCloud Keychain can generate secure passwords for you. The nice thing about iCloud Keychain is that it is tightly integrated throughout the OS. In total you can save website logins, credit card numbers, Wi-Fi networks, and account information...