Cost / License
- Free
- Open Source (GPL-3.0)
Application type
Platforms
- Linux
- Homebrew
- Mac
- Windows
- Rust

OTPClient is described as '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+' and is a Authenticator in the security & privacy category. There are more than 50 alternatives to OTPClient for a variety of platforms, including Android, iPhone, Android Tablet, Linux and iPad apps. The best OTPClient alternative is Proton Authenticator, which is both free and Open Source. Other great apps like OTPClient are Aegis Authenticator, Bitwarden Authenticator, 2FA Authenticator (2FAS) and Authy.

Authman helps you manage your 2-step authentication tokens on iOS, Android and desktop, and securely sync them between devices.



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.



Two-factor authentication app for Yandex accounts and also other QR-code based temporary codes for two-factor 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.


Authenticator Plus generates 2-step verification codes to protect your accounts with your password and phone / tablet.
