Modern two-factor authentication app with cloud sync that values privacy and security.
Cost / License
- Free
- Open Source (MIT)
Application type
Platforms
- Windows
- Android
- Microsoft Edge
- Google Chrome
- Mozilla Firefox



GNOME Authenticator is described as 'Gnome Authenticator is a desktop 2FA code generator for Linux desktops, like Ubuntu' and is a Authenticator in the security & privacy category. There are more than 25 alternatives to GNOME Authenticator for a variety of platforms, including Android, iPhone, Linux, Web-based and Mac apps. The best GNOME Authenticator alternative is Bitwarden, which is both free and Open Source. Other great apps like GNOME Authenticator are Ente Auth, Bitwarden Authenticator, Authy and Google Authenticator.
Modern two-factor authentication app with cloud sync that values privacy and security.



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+.




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.




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.





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.




Duo Mobile works with Duo Security's two-factor authentication service to make logins more secure. The application generates passcodes for login and can receive push notifications for easy, one-tap authentication.




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.



Secure your Zoho Account with easy-to-use, multi-factor authentication. Because hackers won't give you a second chance.




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.

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.

Easy to use, pretty low on resources, can import-export in multiple formats, encrypted out of the box with sensible security defaults and hasn't failed me yet on any QR code scan.