Authenticator is described as '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' and is a Authenticator in the security & privacy category. There are more than 50 alternatives to Authenticator for a variety of platforms, including iPhone, Android, iPad, Android Tablet and Mac apps. The best Authenticator alternative is Bitwarden, which is both free and Open Source. Other great apps like Authenticator are Proton Authenticator, Aegis Authenticator, Ente Auth and Bitwarden Authenticator.
Privacy-first two-factor authentication for iPhone, iPad, Mac, and Android that creates offline TOTP codes, imports accounts, syncs encrypted backups, provides biometric or PIN protection, organizes entries with search and icons, and highlights weak security setups.
Türkiye
🔐 Personal 2FA - Secure, encrypted TOTP authenticator with multi-format import/export, OpenSSL compatibility, and bilingual support (ES/EN).
Spain
EU
SecKey provides one time passwords to be used with the two factor authentication of Dropbox, Google, Facebook, GitHub, Proton Mail and many more.
SwedenEU
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.
SpainEU
Türkiye
Token2 mobile application can be used with Token2 service, or any other TOTP and Mobile-OTP compliant service with additional features such as possibility of PIN code protection for TOTP profiles and QR code based enrollment for Mobile-OTP profiles.
Switzerland
2faConsole is a lightweight, cross-platform two-factor authentication (2FA) console application built with C# .NET. It uses the dependency-free Pxoqxo.Otp2fa library to provide secure, terminal-based OTP management.
Step Two is a beautiful, modern two-step verification app. Never get locked out of your own accounts. Step Two uses iCloud to securely back up your two-step codes and make them available on all your devices. Security shouldn’t come at the expense of usability.
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...
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.
Two-step verification app with offline code generation, HOTP and TOTP support, biometric login, local auto backup, QR and image import, multi-language interface, account personalization, dark mode, label grouping, and data privacy controls for secure management.
India
