Obsidian - Elegant OTP Authenticator Alternatives

Best rated Two-Factor Authentication smartphone app for consumers, simplest 2fa Rest API for developers and a strong authentication platform for the enterprise.

Google Authenticator is a multifactor app for mobile devices.

free

Elegant user management, tailor-made for B2B SaaS

Try for free freemium

One app to quickly and securely verify your identity online, for all of your accounts.

Aegis Authenticator is a free, secure and open source app to manage your 2-step verification tokens...

The YubiKey is a one-time password device for secure login with two-factor authentication

TOTP Authenticator app makes it easier to setup and manage your 2-factor authentication accounts and tokens. The app allows you to add extra security to your accounts and protects them from hijacking. Available for iOS and Android.

freemium $6.0 / One-off

Open source implementation of the two-factor authentication HOTP and TOTP schemes.

Simple 2FA Authenticator - Generate Two Factor Authentication tokens.

andOTP is a two-factor authentication App for Android 4.4+

Authenticator Plus generates 2-step verification codes and lets you synchronize your accounts.

LastPass is an online password manager and form filler that makes web browsing easier and more secure.

GTK+ application for securely managing TOTP & HOTP tokens.

Authenticator is a simple, free, and open source two-factor authentication app.

Open Source