The TraitWare plugin combined with its mobile app ensures a simple, secure login to the WordPress Dashboard and Protected Resources via web browsers by replacing usernames and passwords with a QR scan.
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.
Google Authenticator(2FA) works out of the box on your wordpress site without any third party service involvement. Two Factor Authentication made easy. Supports Google Authenticator and Authy Authenticator App.