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
Allthenticator Alternatives
Allthenticator is described as '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' and is a Authenticator in the security & privacy category. There are more than 10 alternatives to Allthenticator for a variety of platforms, including Android, iPhone, Android Tablet, iPad and Linux apps. The best Allthenticator alternative is 2FA Authenticator (2FAS), which is both free and Open Source. Other great apps like Allthenticator are Authy, FreeOTP, Stratum and Microsoft Authenticator.
Alternatives list
49 Duo mobile alternativesDuo 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
Calculates time- and counter-based one-time passwords on iOS devices, supports QR code import, iPad interface, Notification Center widget, encrypted iCloud sync, Safari extension, Touch ID and password protection, no ads, and does not collect personal data.
Cost / License
- Freemium
- Proprietary
Application type
Alerts
- Discontinued
Platforms
- Mac
- iPhone
- iPad
- Apple Watch
+4
62 Authenticator alternativesAuthenticator 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.
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