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We've compiled a list of 31 free and paid alternatives to Open Authenticator. The primary competitors include Authy, Google Authenticator. In addition to these, users also draw comparisons between Open Authenticator and FreeOTP, andOTP, WinAuth. Also you can look at other similar options here: Security and Privacy Software.


Authy is a simple way to manage two-factor authentication accounts.

FreeOTP
Free Open Source

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

andOTP
Free Open Source

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

WinAuth
Free Open Source

Portable open-source Authenticator for Windows

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HDE OTP Generator is a virtual device application for multi-factor authentication (MFA), so-called...

OTPClient
Free Open Source

GTK+ application for securely managing TOTP & HOTP tokens.

Two-factor authentication app for Yandex accounts and also other QR-code based 2FA

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

Open Authenticator Platforms

tick-square Android

Open Authenticator Video and Screenshots

Open Authenticator Overview

A SmartWatch 2 (Sony) compatible Fork of the original Google Authenticator.

You can use it without a SmartWatch too, if you want a trusted open-source Authenticator. Formerly known as SmartWatch2 Authenticator free.

Donate: https://www.paypal.com/cgi-bin/webscr?cmd=_s-xclick&hosted_button_id=QMXTD89BWM3DN

Use it for websites like google.com and github.com to enable 2 way Authentification to make login more secure.
Just enable it on your account and add it to this app, so you can always view it on your Smartwatch without the hassle of pulling your phone out of your pocket, unlock, start Authenticatorapp, view code and put it back.

Also this version have no Internet-Permission for all the paranoid people out there :) so no data can be send from your device to 3rd Parties.

It's tested and fully working on SmartWatch 2 and should also work on LiveView.

Any Security concerns? Just checkout all source-code on Github (see Websitelink on bottom)

If you want to donate some money for coffee (i don't like beer :D)
buy the donate version (https://play.google.com/store/apps/details?id=com.dlka.android.apps.authenticator2donate)

I'm open to feature requests and bug reports. Drop an email to [email protected] for more. Thanks!

This is NOT the official Google published Google Authenticator, it can be found at https://play.google.com/store/apps/details?id=com.google.android.apps.authenticator2 but without SmartWatch features.

Open Authenticator Features

tick-square Two factor authentication

Top Open Authenticator Alternatives

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Open Authenticator Categories

Security and Privacy Software

Open Authenticator Tags

security-utilities authentication Discontinued

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