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.




Microsoft Authenticator is described as 'Sign in is easy, convenient, and secure when you use Microsoft Authenticator. Use your phone, not your password, to log into your Microsoft account. You simply have to enter your username, then approve the notification sent to your phone' and is a Authenticator in the security & privacy category. There are more than 50 alternatives to Microsoft Authenticator for a variety of platforms, including iPhone, Android, iPad, Android Tablet and Mac apps. The best Microsoft Authenticator alternative is Bitwarden, which is both free and Open Source. Other great apps like Microsoft Authenticator are Aegis Authenticator, Proton Authenticator, Ente Auth and Bitwarden Authenticator.
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.




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.

Allthenticator unifies digital and physical access with one smartphone-based identity. Users log in to systems and unlock doors via proximity. Supports SSH keys, passkeys, OTP, and peer-based recovery—all managed from a single admin dashboard.




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.





Secures accounts with encrypted 2FA and MFA code generation, multi-device synchronization, import/export support, breach alerts, password management, biometric and PIN protection, Apple Watch access, Home Screen widget, organizational folders, and custom icons.




🔐 Personal 2FA - Secure, encrypted TOTP authenticator with multi-format import/export, OpenSSL compatibility, and bilingual support (ES/EN).



COPID Verify is a B2B Age Verification Provider; it combines client-side presence checks with AI-based age estimation. No accounts, no image storage, no biometric retention, lower friction, stronger compliance, and easy scaling.

Qualys, Inc., is the most widely-deployed information security and compliance cloud solution in the world with over 7,700 customers including a majority of the Forbes Global 100 and a majority of the Fortune 100.