Etopa
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.
Best Etopa Alternatives & Competitors in 2025
The best Etopa alternatives based on verified products, community votes, reviews and other factors.
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Best rated Two-Factor Authentication smartphone app for consumers, simplest 2fa Rest API for developers and a strong authentication platform for the enterprise.
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Simple 2FA Authenticator - Generate Two Factor Authentication tokens.
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1Password can create strong, unique passwords for you, remember them, and restore them, all directly in your web browser.
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Google Authenticator is a multifactor app for mobile devices.
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Open source implementation of the two-factor authentication HOTP and TOTP schemes.
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The only full stack Identity & Access Manager. The IAM solution encompasses: multi-factor authentication, single sign-on,enterprise password manager & vaulting, end point access management, directory services & over 60,000 application integrations.
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CryptoPhotos mutual-authentication is a unique new login approach delivering LoA3-class security: thats two full assurance levels stronger than 2FA.
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KeePass is an open source password manager. Passwords can be stored in highly-encrypted databases, which can be unlocked with one master password or key file.
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Aegis Authenticator is a free, secure and open source app to manage your 2-step verification tokens...
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Secure, Cross Platform, Open Source 2FA
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1Password can create strong, unique passwords for you, remember them, and restore them, all directly in your web browser.
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Create custom keyboard shortcuts for your Mac and the web
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andOTP is a two-factor authentication App for Android 4.4+
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One app to quickly and securely verify your identity online, for all of your accounts.
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