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

OneLogin, Inc. 1,000+ active installations Tested with 4.8.4 Updated 4 months ago

Google Authenticator – Two Factor Authentication (2FA)

Google Authenticator and Best Enterprise Grade Two Factor Authentication (2FA). Supports QR Code,Push Notification,Remember Device,Authy,SMS,Email.

miniOrange 10,000+ active installations Tested with 4.9.1 Updated 3 weeks ago