^ 'Best password manager for iOS, Android, Windows, Linux, Mac | Enpass'.'Twilio Acquires Two-Factor Authentication Service Authy'. ^ Lardinois, Frederic (24 February 2015).^ 'Use 1Password as an authenticator for sites with two-factor authentication'.Yes (trough browser extension connected to mobile app) Popular, feature rich open-source two-factor authenticator

Web-based authenticator not requiring registration. Compatible with Google Authenticator.įocuses on integration with Invantive Keychain.Ĭross-platform OTP for mobile devices with support for online backup. Maintained by RedHat, and based on Google Authenticator.Ĭommand-line tool for generating OTP tokens.įor use with privacyIDEA Authentication Server, with a secure enrollment process. Password manager by Sinew Software Systems. The following is a general comparison of OTP applications that are used to generate one-time passwords for two-factor authentication (2FA) systems using the time-based one-time password (TOTP) or the HMAC-based one-time password (HOTP) algorithms.Īuthenticated implementations Implementationīy Twilio, from 2015, originally Authy.

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