Authenticator
Authenticator is a simple, free, and open source two-factor authentication app.
18 Alternatives To Authenticator
1Password
1Password can create strong, unique passwords for you, remember them, and restore them, all directly in your web browser.
1Password is the easiest way to store and use strong passwords. Log in to sites and fill forms securely with a single click.
Authenticator Plus
Authenticator Plus generates 2-step verification codes and lets you synchronize your accounts.
Authy
Best rated Two-Factor Authentication smartphone app for consumers, simplest 2fa Rest API for developers and a strong authentication platform for the enterprise.
Dashlane
Dashlane is a secure way to bypass tedious logins, forms, and purchases online. Save all of your information and save time in your online transactions.
Duo Security
Duo Security provides cloud-based two-factor authentication. Duo’s technology can be deployed to protect users, data, and applications from breaches, credential theft, and account takeover.
FreeOTP
Open source implementation of the two-factor authentication HOTP and TOTP schemes.
Lastpass
LastPass is an online password manager and form filler that makes web browsing easier and more secure.
OTP Auth
The app for calculating one-time-passwords on iPhone and iPad.
OTPmanager
OTP Manager is a simple Application for managing One Time Password (OTP) Tokens.
Obsidian - Elegant OTP Authenticator
Obsidian is an elegant OTP Authenticator app for both iOS and MacOS.
Okta
Enterprise-grade identity management for all your apps, users & devices
Open Authenticator
A trusted open-source Authenticator. Formerly known as SmartWatch2 Authenticator free.
SecurEnvoy SecurPassword
SecurPassword provides the only end user experience that is simple to use and leverages true security.
UNLOQ
UNLOQ offers Multi-Factor Authentication, Transaction authorization, and Data Encryption solutions for Businesses and Organisations.
YubiKey
The YubiKey is a one-time password device for secure login with two-factor authentication
andOTP
andOTP is a two-factor authentication App for Android 4.4+