One of the most popular alternatives to Authy is Bitwarden, which is open source with a free version. Other popular alternatives are Aegis Authenticator, Proton Authenticator, Ente Auth and Bitwarden Authenticator. You're spoiled for choice with Authenticators like Authy: we list more than 50 alternatives for iPhone, Android, iPad, Mac and Windows.
2fast (acronym for two factor authenticator supporting TOTP) is the first free, open source, two factor authenticator for Windows and Android with the ability to store the sensitive data encrypted at a place of your choice instead of a 3rd party cloud location.
Secure your Zoho Account with easy-to-use, multi-factor authentication. Because hackers won't give you a second chance.
India
Mauth (pronounced Moth) is a Two-Factor Authentication app with support for TOTP and HOTP (coming soon) and compatibility with Google Authenticator.
Georgia
2FAuth is a web based self-hosted alternative to One Time Passcode (OTP) generators like Google Authenticator, designed for both mobile and desktop.
France
EU
GTK+ application for securely managing TOTP & HOTP tokens. Content is encrypted on disk using AES256-GCM. Master password derived using PBKDF2 with 100k iterations & SHA512 as hash algorithm. Can import encrypted backups from andOTP & Authenticator+.
ItalyEU
Two-factor authentication app for Yandex accounts and also other QR-code based temporary codes for two-factor authentication
Russia
Encrypted Windows app for managing 2FA codes with AEGIS-256 and Argon2id, supporting Windows Hello, portable use, multilingual interface, token import/export, QR code/manual entry, generic TOTP, local storage, and dark mode interface for enhanced security.
GermanyEU
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.
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
Zunoy Authenticator enhances the security of your online accounts by adding a second layer of verification during sign-in. In addition to entering your password, you’ll also need to provide a time-based one-time code generated by the Zunoy Authenticator app on your phone.
India
Secure your online accounts with Open Authenticator : a free, open-source and lovely-crafted TOTP (Time-Based One-Time Password) manager.
Secretable is a telegram bot for managing passwords and others secrets stored in Google Sheets. Convenient management of your secrets in the messenger. Strong encryption AES256 + PKCS 8 + PBKDF2. Using Google Sheets as storage allows you to track changes, easily make backups...
