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.




2FAGuard is described as 'Secure Windows app for encrypted 2FA code management, local storage, Windows Hello, portable mode, TOTP support, multilingual, and import/export features' and is a Authenticator in the security & privacy category. There are more than 50 alternatives to 2FAGuard for a variety of platforms, including Android, iPhone, iPad, Android Tablet and Mac apps. The best 2FAGuard alternative is Bitwarden, which is both free and Open Source. Other great apps like 2FAGuard are KeePass, Aegis Authenticator, Proton Authenticator and Ente Auth.
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.




A simple application for multi-factor authentication, written in HTML using jQuery Mobile, jsSHA, LocalStorage and Application Cache. It implements the TOTP (Time-Based One-Time Password) algorithm according to RFC6238 and has been tested to work with Google Authenticator...
Infomaniak Auth is a free mobile application that improves and simplifies the security of Infomaniak accounts protected by two-factor authentication.




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




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.
