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

Chronos Authenticator is described as 'Chronos is an open-source two-factor authentication (2FA) app designed to deliver robust security and reliable backup features. It supports both time-based (TOTP) and counter-based (HOTP) authentication methods' and is a Authenticator in the security & privacy category. There are more than 25 alternatives to Chronos Authenticator for a variety of platforms, including iPhone, Android, iPad, Android Tablet and Mac apps. The best Chronos Authenticator alternative is Aegis Authenticator, which is both free and Open Source. Other great apps like Chronos Authenticator 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.




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




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.



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.




Infomaniak Auth is a free mobile application that improves and simplifies the security of Infomaniak accounts protected by two-factor authentication.




Empowering individuals and businesses with tools for privacy, reputation management, and the fastest identity verification online.

Download TU Latch, a second factor authentication (2FA) and authorisation (2FAuth) app that provides additional protection for your digital services with authorisation controls, TOTP access control and web browsing security from your computer.




Kerveros is a robust two-factor authentication code generator that combines ease of use with enterprise-grade security. It generates time-based one-time passwords (TOTP) for your online accounts while keeping your secrets encrypted and protected.
