Nitrokey Alternatives

Nitrokey is described as 'USB key to enable highly secure encryption and signing of emails and data, as well as login to the Web, networks and computers. Other than ordinary software solutions, the secret keys are always stored securely inside the Nitrokey' and is an app in the security & privacy category. There are more than 10 alternatives to Nitrokey for a variety of platforms, including Android, Windows, Linux, iPhone and Android Tablet. The best alternative is Authy, which is free. Other great apps like Nitrokey are YubiKey, Microsoft Authenticator, SoloKeys and 2FA Authenticator (2FAS).

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Nitrokey

Paid • Open Source

Mac
Windows
Linux

Nitrokey is an USB key to enable highly secure encryption and signing of emails and data, as well as login to the Web,...

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Authy
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Free • Proprietary
Authenticator
Mac
Windows
Linux
Android
iPhone
Android Tablet
iPad
Apple Watch
59 alternatives to Authy
Authy is a simple way to manage two-factor authentication accounts. Authy supports Gmail, Dropbox, LastPass and thousands of other sites.
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Authy Features
1. Cloud SyncSync your data (notes, documents, bookmarks, etc.) across your different devices and to the cloud.
2. Two-factor AuthenticationAuthy supports two-factor authentication (2FA).
3. Encrypted BackupAuthy uses encryption algorithms to keep your files safe as well as prevent unauthorized access.
4. Time-based One-time PasswordAuthy has support for TOTP, a computer algorithm that generates Time-based One-Time Passwords
5. Multiple Account supportAuthy support multiple accounts without the need to logout and login
6. Biometric AuthenticationLog in or unlock your device using your fingerprint or face recognition
7. Dark ModeAuthy supports dark mode for comfortable usage in low light conditions.
8. Works OfflineAuthy can be used without the need to connect to the internet.
Multi-Factor Authentication (MFA)
Cloud based
Password protection
SSH
YubiKey
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Paid • Proprietary
Authenticator
Windows
Linux
Android
Android Tablet
22 alternatives to YubiKey
The YubiKey is a one-time password device for secure login with two-factor authentication
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YubiKey Features
1. Two-factor AuthenticationYubiKey supports two-factor authentication (2FA).
Microsoft Authenticator
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Free • Proprietary
Authenticator
Android
iPhone
Windows Phone
iPad
Android Tablet
47 alternatives to Microsoft Authenticator
Sign in is easy, convenient, and secure when you use Microsoft Authenticator. Use your phone, not your password, to log into your Microsoft account. You simply have to enter your username, then approve the notification sent to your phone.
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Microsoft Authenticator Features
1. Two-factor AuthenticationMicrosoft Authenticator supports two-factor authentication (2FA).
2. Time-based One-time PasswordMicrosoft Authenticator has support for TOTP, a computer algorithm that generates Time-based One-Time Passwords
3. Cloud SyncSync your data (notes, documents, bookmarks, etc.) across your different devices and to the cloud.
4. Biometric AuthenticationLog in or unlock your device using your fingerprint or face recognition
5. Multiple Account supportMicrosoft Authenticator support multiple accounts without the need to logout and login
Multi-Factor Authentication (MFA)
Password protection
SoloKeys
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Paid • Open Source
Mac
Windows
Linux
Android
14 alternatives to SoloKeys
Solo is an open source security key, and you can get one at solokeys.com.
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SoloKeys Features
1. Two-factor AuthenticationSoloKeys supports two-factor authentication (2FA).
2FA Authenticator (2FAS)
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Free • Open Source
Authenticator
Android
iPhone
Android Tablet
iPad
44 alternatives to 2FA Authenticator (2FAS)
2FAS Authenticator is a simple and free application for Two Factor Authentication (2FA Authentication) which generates Time-based One-time Passwords (TOTP) and PUSH authentication*.
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2FA Authenticator (2FAS) Features
1. Time-based One-time Password2FA Authenticator (2FAS) has support for TOTP, a computer algorithm that generates Time-based One-Time Passwords
2. Privacy focused2FA Authenticator (2FAS) is considered a privacy friendly alternative.
3. Two-factor Authentication2FA Authenticator (2FAS) supports two-factor authentication (2FA).
4. Multiple Account support2FA Authenticator (2FAS) support multiple accounts without the need to logout and login
Usability
Multi-Factor Authentication (MFA)
OnlyKey
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Paid • Open Source
Mac
Windows
Linux
Android
iPhone
Chrome OS
17 alternatives to OnlyKey
OnlyKey is an open source alternative to YubiKey. OnlyKey natively supports: a hardware password manager, multiple two-factor methods (FIDO2, TOTP, and Yubico® OTP), passwordless SSH login, and OpenPGP.
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OnlyKey Features
1. Two-factor AuthenticationOnlyKey supports two-factor authentication (2FA).
2. FIDO U2F (2FA) supportOnlyKey supports FIDO U2F / passwordless / multi-factor authentication.
3. Time-based One-time PasswordOnlyKey has support for TOTP, a computer algorithm that generates Time-based One-Time Passwords
Authorizer
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Free • Open Source
Authenticator
Android
21 alternatives to Authorizer
A Password Manager for Android with Auto-Type over USB and Bluetooth, OTP and much more.
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Authorizer Features
1. Two-factor AuthenticationAuthorizer supports two-factor authentication (2FA).
Multi-Factor Authentication (MFA)
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Authorizer vs Nitrokey opinions
pros, cons and recent comments
LinuxDoge
Its among the only open source Apps in this list. For security and Privacy, Open source is always important, as anyone can look into the code. When there is a vulnerability in the code, it doesnt depend on a company to solve the issue.
Positive comment•
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AuthLite
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Free • Proprietary
iPhone
iPad
7 alternatives to AuthLite
This app is created for use with the YubiKey NFC and NEO to copy One-time-passwords (OTPs) from a YubiKey into the iOS clipboard.

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fidobooster
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No
Freemium • Proprietary
Windows
4 alternatives to fidobooster
Program that adds an access request windows logon via u2f tocken to.

fidobooster has no features, suggest some!
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CanoKeys
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Free • Open Source
Mac
Windows
Linux
8 alternatives to CanoKeys
An open-source secure key.
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CanoKeys Features
1. OpenPGPCanoKeys supports OpenPGP, a standard of PGP encryption that is open-source for public use.
2. Time-based One-time PasswordCanoKeys has support for TOTP, a computer algorithm that generates Time-based One-Time Passwords