Top 12 Google Authenticator Alternatives

Best rated Two-Factor Authentication smartphone app for consumers, simplest 2fa Rest API for developers and a strong authentication platform for the enterprise.

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.

Open source implementation of the two-factor authentication HOTP and TOTP schemes.

Portable open-source Authenticator for Windows

Duo Mobile works with Duo Security's two-factor authentication service to make logins more...

Authenticator Plus generates 2-step verification codes and lets you synchronize your accounts.

LastPass is an online password manager and form filler that makes web browsing easier and more secure.

Authenticator is a simple, free, and open source two-factor authentication app.

UNLOQ offers Multi-Factor Authentication, Transaction authorization, and Data Encryption solutions for Businesses and Organisations.

A trusted open-source Authenticator. Formerly known as SmartWatch2 Authenticator free.

One app to quickly and securely verify your identity online, for all of your accounts.

andOTP is a two-factor authentication App for Android 4.4+