FreeOTP
Open source implementation of the two-factor authentication HOTP and TOTP schemes.
17 Alternatives To FreeOTP
Authenticator
Authenticator is a simple, free, and open source two-factor authentication app.
Authenticator Plus
Authenticator Plus generates 2-step verification codes and lets you synchronize your accounts.
Authy
Best rated Two-Factor Authentication smartphone app for consumers, simplest 2fa Rest API for developers and a strong authentication platform for the enterprise.
Azure Multi-Factor Authentication
Azure Multi-Factor Authentication helps safeguard access to data and applications while meeting user demand for a simple sign-in process.
Duo Security
Duo Security provides cloud-based two-factor authentication. Duo’s technology can be deployed to protect users, data, and applications from breaches, credential theft, and account takeover.
Duo mobile
Duo Mobile works with Duo Security’s two-factor authentication service to make logins more…
LoginTC
LoginTC is a simple, secure 2-Factor Authentication solution.
Myki Authenticator
Login to any account on any device with your fingerprint
Nitrokey
Email Encryption. Encrypt your emails with GnuPG, OpenPGP, S/MIME or your favourite email client.
OTP Auth
The app for calculating one-time-passwords on iPhone and iPad.
OTPClient
GTK+ application for securely managing TOTP & HOTP tokens.
Obsidian - Elegant OTP Authenticator
Obsidian is an elegant OTP Authenticator app for both iOS and MacOS.
Open Authenticator
A trusted open-source Authenticator. Formerly known as SmartWatch2 Authenticator free.
UNLOQ
UNLOQ offers Multi-Factor Authentication, Transaction authorization, and Data Encryption solutions for Businesses and Organisations.
YubiKey
The YubiKey is a one-time password device for secure login with two-factor authentication
andOTP
andOTP is a two-factor authentication App for Android 4.4+