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.
Cost / License
- Free
- Open Source
Platforms
- Online
- Android
+2
KeyVault Alternatives
KeyVault is described as 'OTP authenticator app for managing your 2FA / OTP codes on iPhone, iPad, Mac and Apple Watch' and is a Authenticator in the security & privacy category. There are more than 50 alternatives to KeyVault for a variety of platforms, including iPhone, Android, iPad, Android Tablet and Mac apps. The best KeyVault alternative is Bitwarden, which is both free and Open Source. Other great apps like KeyVault are Aegis Authenticator, Proton Authenticator, Ente Auth and Bitwarden Authenticator.
Alternatives list
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.
Cost / License
- Free Personal
- Proprietary
Application type
Platforms
- iPhone
- Windows
- Android
- Linux
- Mac
+1
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.
Cost / License
- Free
- Open Source (GPL-3.0)
Platforms
- Linux
- Mac
- Windows
- Flathub
- Flatpak
Cost / License
- Free
- Open Source (BSD-3-Clause)
Platforms
- Linux
- Go (Programming Language)
2
C
2FAuth is a web based self-hosted alternative to One Time Passcode (OTP) generators like Google Authenticator, designed for both mobile and desktop.
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.
Cost / License
- Paid
- Proprietary
Application type
Platforms
- Android
- iPhone
- Android Tablet
- iPad
- Apple Watch
+1
Secure your online accounts with Open Authenticator : a free, open-source and lovely-crafted TOTP (Time-Based One-Time Password) manager.
Cost / License
- Freemium
- Open Source (GPL-3.0)
Application type
Platforms
- Mac
- iPhone
- iPad
- Android
- Android Tablet
- Windows
+2
Two-factor authentication app for Yandex accounts and also other QR-code based temporary codes for two-factor authentication
+2
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.
Cost / License
- Paid
- Proprietary
Platforms
- Online
Secure your Zoho Account with easy-to-use, multi-factor authentication. Because hackers won't give you a second chance.
Cost / License
- Free
- Proprietary
Application type
Platforms
- Mac
- Android
- iPhone
- Android Tablet
- iPad
- Apple Watch
+7
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