Login by Auth0 provides improved username/password login, Passwordless login, Social login and Single Sign On for all your sites.

This plugin enables user enrollment and authentication against any standard OpenID Provider (OP).

Secure universal authentication system

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

Passwordless 2FA for your WordPress admin account with one-click install. Trusona's FREE passwordless plug-in prevents unauthorized logins, defacing and hacks while accessing your account with ease.

Two factor authentication by REVE Secure

SAASPASS provides the easiest way to secure your Wordpress with two-factor authentication (2FA) and enable passwordless security. MFA made amazing!

Make usernames and passwords obsolete. SnapID identifies and authenticates when you send a text message. Completely secure, incredibly convenient.

Sovay secures your identity and your WordPress site logins. Authenticate once and securely access all your sites — without password hassles.

Enables your users to log in to your site without manually entering the password. Instead, user just taps one button on his phone.

60 seconds setup Two Factor Authentication (2FA). Featuring custom login URL, page customisation and 3 secure authentication methods.

Modern two-factor that people love to use: strong authentication without passwords or tokens; single sign on/off; magical login experience.

Secure login to your site by tapping just one button on the phone, no password required.

Go passwordless authentication and eliminate security risks.

Secure your website with Wordfence Login Security, providing two-factor authentication, login and registration CAPTCHA, and XML-RPC protection.

SuperAuth provides passwordless sign in, alert service, sign out from all devices, lock or unlock user account from any computer, smartphone, tablet, kiosk, or other device. SuperAuth also ensures that you are secure and protected from phishing.