Openticator generates 2-step verification codes to protect your accounts with your password and your device.

Why Openticator is the best multi-factor authentication app:

• Offline: Tired of waiting for an SMS to arrive? Openticator generates secure tokens without connectivity so you can authenticate securely even when in airplane mode.

• Secure: All data is encrypted using 256-bit AES encryption.

• All of your accounts: Supports most major multifactor authentication accounts as GitHub, Facebook, Dropbox, Amazon, Google, etc.

• Organization: Group your accounts with many categories as you want.

• Customization: You can choose or change account logos anytime.

• Open Source: It is open-source, you can download and check the code on GitHub!
https://github.com/arturogutierrez/Openticator

Coming features:

• Multi-device synchronization.

• PIN screen to add even more security.

• Fingerprint authentication.

• Wear support