Cost / License
- Free
- Open Source
Platforms
- Windows
- Linux

Google Authenticator is described as 'Generates 2-Step Verification codes on your phone' and is a popular Authenticator in the security & privacy category. There are more than 50 alternatives to Google Authenticator for a variety of platforms, including Android, iPhone, iPad, Mac and Android Tablet apps. The best Google Authenticator alternative is Aegis Authenticator, which is both free and Open Source. Other great apps like Google Authenticator are KeePass, Ente Auth, Proton Authenticator and Bitwarden Authenticator.

HENNGE OTP Generator is a virtual device application for multi-factor authentication (MFA), so-called two-step verification, which generates time-based one-time passwords (OTP).



Powered by KeePass Password Safe, Kee adds free, secure, and easy password-management features to your browser which save time and keep your private data more secure from keyloggers.




Authman helps you manage your 2-step authentication tokens on iOS, Android and desktop, and securely sync them between devices.



Krypton implements the standardized FIDO Universal 2nd Factor (U2F) protocol to provide secure, un-phishable two-factor authentication on the web, using just your phone.




Invantive Authenticator is a two-step verification solution for use with TOTP-protected websites and products such as Exact Online. Made in Holland by a partner of Exact, awarded accountancy app partner of the year 2017.




CryptoPhoto gives you a fast and safe way to log into your favorite participating web sites while enjoying leading-edge protection against phishing, malware attacks, and scamming.





Effortlessly share 2FA SMS with your team. This number works with all services, from WhatsApp to ChatGPT, and connects to numerous tools through Zapier or our webhook integration.



With Authomator, you can quickly generate two-factor authentication codes for your favorite services that use two-step verification on your BlackBerry 10 device. Simply scan the QR codes provided by the service, or manually enter the generated code, and you'll easily...


LogMeOnce’s mission is to provide secure Single Sign-On (SSO) and mature Identity Management (IdM) with a fun and user-friendly dashboard facilitating easy and secure access to all of your accounts and applications.



Astel is a password management software developed by Eray Türkay. None of your personal information is transferred to any other medium other than your computer. Therefore it is completely secure.



Allows addition of tokens by QR code and produces OTPs