WordPress Auth using Google Authenticator is a simple plugin which allows authorization with Google Authenticator tokens.

Secure your site with Two-Factor Authentication (TFA) using the Clickatell SMS gateway.

Branded SMS Pakistan - WooCommerce plugin will allow you to send Branded or Short Code SMS notification automatically for orders placed in WooCommerce. Buyer and Admin both can get SMS notification after WooCommerce order is placed. All SMS Notifications text can be customized from WordPress admin panel.

OTP eBiz összeköttetés WooCommerce-hez.

Free, simple and secure token-based authentication for your WordPress. No registration required.

Secure your WordPress login with Two Factor Authentication based on Authorizer SecondFactor. For more information see: www.authorizer.de/en/wordpress

Supports push authentication, soft token, email verification, security questions.

Make your WordPress login extra secure with One Time Passwords.

This plugin provides single sign-on via SAML and gives users one-click access to their WordPress accounts from identity providers like OneLogin.

"PassClip Auth" provides strong and easy authentication. "PassClip Auth for WordPress" is the plugin to launch PassClip Auth to WordPress sites easily. The login process is applicable to both administrators and subscribers. *This plugin connects to the external server in order to authenticate.

Authy is the easiest and fastest way to add strong 2 Factor Authentication to your WordPress blog.

SMS/OTP verification and Notification for all forms via Twilio or MSG91. So user can't submit form without verifying mobile number. User verification via SMS. Also reset password via SMS/OTP.

Secure, 2 step Verification for WordPress login, via One Time Pin (OTP).

Toopher's Location-based Two-Factor Authentication protects your website from unauthorized logins.

WP Secure Login adds a security layer and 2 step authentication to your WordPress site by asking a One Time Password in addition to the username and password on the login page.

Magic Password is a free security plugin, which allows you to log in by scanning QR code. It's simple, quick, and highly secure—like magic!

This is a plugin to autheticate users through the SecurePass One Time Passwords service.