2fast is described as '(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' and is a Authenticator in the security & privacy category. There are more than 25 alternatives to 2fast for a variety of platforms, including Android, iPhone, iPad, Android Tablet and Mac apps. The best 2fast alternative is Aegis Authenticator, which is both free and Open Source. Other great apps like 2fast are Proton Authenticator, Bitwarden Authenticator, Authy and Google Authenticator.
Etopa is a two-factor-authentication app, which runs as a web server and can be accessed using a web browser or using an Android app. You can use the Etopa.de instance or host your own.
Etopa is the most popular Web-based alternative to 2fast.
FreeOTP+ is a fork of FreeOTP with an updated user interface and with backup/restore functionality (to external files or via built-in Android backup/restore).
Clockode is a minimal, and offline-only TOTP code generator that stores your authentication secrets in an encrypted local vault, keeping your two-factor codes private and accessible without needing an internet connection.
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+.
Secure your online accounts with Open Authenticator : a free, open-source and lovely-crafted TOTP (Time-Based One-Time Password) manager.
Effortlessly share 2FA SMS with your team. This number works with all services, from WhatsApp to ChatGPT, and connects to numerous tools through Zapier or our webhook integration.
Team SMS is the most popular commercial alternative to 2fast.
Two-factor authentication app for Yandex accounts and also other QR-code based temporary codes for two-factor authentication
LastPass Authenticator offers a unique one-tap password verification experience that no other authenticator app delivers.
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.
Daito is a web-based 2FA authenticator for TOTP tokens. It enables you to share 2FA tokens with others to simply protecting shared accounts. No phone needed.
Daito Authenticator is the most popular SaaS alternative to 2fast.
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