Secure two-factor authentication made simple. Lets administrators secure their sites against password attack, and users secure their content.
IndieAuth Links enable sign in with your domain name.
Allow user login or registration using LiberatID service. Additionally, OpenIDs for authentication of users and comments is also supported.
Enscrypt replaces WordPress authentication protocols with a mechanism that uses the far more secure scrypt hashing algorithm.
Admins and authors can use Loitr to login into WordPress dashboard without typing anything.
This plugin provides Enigform Secure Login support for WordPress. Works in similar way to HTTP Authentication by dwc.
This plugin allows you to implement the MyPW One-Time Password system into WordPress.
Bitid Authentication, extends wordpress default authentication with the bitid-protocol
Protect your WordPress site with Token2 two-factor authentication
Authenticate in WordPress using passwords from a phpBB installation
Secure Login using Voice Biometrics for your WordPress site.
Passwordless multi-factor authentication.
This plugin will enhance the security of your WordPress.
Allow OpenID based commenters to add their thoughts via comments on your WordPress blog. This plugin is not an OpenID server.
Sekur Me Login: Eliminate UserIDs and Passwords, securely. Login with your fingerprint.
Token2 Hardware Tokens for your WordPress blog.
Allows administrators to restrict user login based on user roles.
This plug-in adds a `Login with MySpaceID' button to the login page.
Secure login to your site by tapping just one button on the phone, no password required.
Use the Bugzilla MySQL database as an external authentication source in WordPress.
Enables your users to log in to your site without manually entering the password. Instead, user just taps one button on his phone.
A login alternative to OpenID, designed for blogs and anything else you can think of!
Authentication plugin for oAuth2.0 with UNINETTS Dataporten.
This plugin turns your WordPress website into an OAuth Consumer. It allowsallows your users to sign in with any OAuth provider.
二段階認証プラグイン - Caret Two Stage Authentication
A plugin for authentication/authorisation using Cloudware City for subscription access to a WordPress installation.
Allow user to login with their Email ID.
Authenticate users using Sun's Open Single Sign On service.
Add TOZNY as an authentication option to your WordPress.
Make your site private by only allowing access to registered users.