2FAuth is a web based self-hosted alternative to One Time Passcode (OTP) generators like Google Authenticator, designed for both mobile and desktop.

cotp is described as 'Trustworthy, encrypted, command-line TOTP/HOTP authenticator app with import functionality' and is a Authenticator in the security & privacy category. There are more than 25 alternatives to cotp for a variety of platforms, including iPhone, Android, iPad, Android Tablet and Mac apps. The best cotp alternative is Aegis Authenticator, which is both free and Open Source. Other great apps like cotp are Proton Authenticator, Ente Auth, Bitwarden Authenticator and 2FA Authenticator (2FAS).
2FAuth is a web based self-hosted alternative to One Time Passcode (OTP) generators like Google Authenticator, designed for both mobile and desktop.

Secure your online accounts with Open Authenticator : a free, open-source and lovely-crafted TOTP (Time-Based One-Time Password) manager.




Duo Mobile works with Duo Security's two-factor authentication service to make logins more secure. The application generates passcodes for login and can receive push notifications for easy, one-tap authentication.




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.



Two-factor authentication app for Yandex accounts and also other QR-code based temporary codes for two-factor authentication




Secure your Zoho Account with easy-to-use, multi-factor authentication. Because hackers won't give you a second chance.




Daito is a web-based 2FA authenticator for TOTP tokens. It enables you to share 2FA tokens with others to simply protecting shared accounts. No phone needed.

Calculates time- and counter-based one-time passwords on iOS devices, supports QR code import, iPad interface, Notification Center widget, encrypted iCloud sync, Safari extension, Touch ID and password protection, no ads, and does not collect personal data.




Hermes offers a straightforward solution for overseeing two-factor authentication accounts (SHA1), providing support for a wide range of platforms, including Gmail, Dropbox, and thousands of other websites.

Authenticator is a simple, free, and open source two-factor authentication app. It helps keep your online accounts secure by generating unique one-time passwords, which you use in combination with your other passwords to log into supporting websites.



Authenticator Plus generates 2-step verification codes to protect your accounts with your password and phone / tablet.

TOTP Authenticator makes it simple and easy to enable 2-factor authentication on your accounts. The app provides option to backup data offline or on the cloud. Features like Push to Chrome, dark theme, custom icons and widgets make the app stand out.



