Modern two-factor that people love to use: strong authentication without passwords or tokens; single sign on/off; magical login experience.
Instant account security with effortless, email-based two-factor authentication; optional mobile app for more security; no tokens.
Authy is the easiest and fastest way to add strong 2 Factor Authentication to your WordPress blog.
Adds an extra layer of security to your WordPress Account. Same as Google 2-step verification.
LaunchKey eliminates the need and liability of passwords by letting you log in and out of WordPress with your smartphone or tablet.
Make usernames and passwords obsolete. SnapID identifies and authenticates when you send a text message. Completely secure, incredibly convenient.
Secure login to your site by tapping just one button on the phone, no password required.
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.
UNLOQ provides a free, easy to use and integrate, strong authentication systems that replaces passwords with your phone.
This plugin allows users to sign into their WordPress accounts with the authentication service PrivaKey.