Direct browser integration makes all 1Password features available where you need them most: Your Browser!
1Password support most web browsers, allowing you to seamlessly share data between them.
The main 1Password application allows you to manage your saved Web Forms, Identities, Wallet Items, Secure Notes, and Password History.
When the 1Password keychain is locked none of your confidential information can be seen.
The built in Strong Password Generator lets you easily create incredibly strong passwords to keep your information secure. Simple enough for anyone and all the advanced options you could want for those who wish to have more control.
Instead of using the default login keychain, 1Password uses the OS X Keychain Services API to create a brand new keychain called "1Password". You can see all your keychains in Apple's Keychain Access application.
By using a separate keychain you are able to configure separate security rules and keep your data separate from other applications. Each keychain can have its own Auto-lock period, lock on sleep, and MobileMe synchronization rules.
1Password is fully Leopard compatible

1Password is a Universal Binary so it is fast on both Intel and PowerPC Macs