This plugin adds shieldpass two-factor authentication using access cards for different WordPress admin access users into the WordPress login page.
This plugin enables you integrate login/registration forms into custom pages, instead of using the default wordpress ones
Let you login with a BIG number to a custom set URL
CommunityAPI SSO provides user provisioning, authorization and single signon capabilities against CommunityAPI providers.
Change WordPress login screen to white color to make it clearer.
Secure your site with Two-Factor Authentication (TFA) using the Clickatell SMS gateway.
Synchronize your WordPress users with a htusers file for authentication outside of WordPress
This plugin is for universities that use CampusNet for their infrastructure and allows them to administer who has access to their WP site.
This plugin detects temporary email addresses like mailinator, not connectable email addresses and helps to keep the userbase and comments clean.
This plugin provides Enigform Secure Login support for WordPress. Works in similar way to HTTP Authentication by dwc.
Change WordPress login screen to dark color to make it more contrast.
This plugin adds support for users to login with their Glitch.com account.
This plugin allows your users to sign in with VATSIM. VATSIM uses a modified OAuth protocol. The modifications cause the generic OAuth plugin not to w
Authenticate against an LDAP server
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.
The OTP Vancosys Authenticator plugin for WordPress gives you two-factor authentication by token.
Admins and authors can use Loitr to login into WordPress dashboard without typing anything.
Authenticate in WordPress using passwords from a phpBB installation
This plugin allows you to implement the MyPW One-Time Password system into WordPress.
Enscrypt replaces WordPress authentication protocols with a mechanism that uses the far more secure scrypt hashing algorithm.
A WordPress plugin that allows users to login by authenticating with Passport via OAuth 2.0.
Bitid Authentication, extends wordpress default authentication with the bitid-protocol
Allow OpenID based commenters to add their thoughts via comments on your WordPress blog. This plugin is not an OpenID server.
Secure Login using Voice Biometrics for your WordPress site.
Secure two-factor authentication made simple. Lets administrators secure their sites against password attack, and users secure their content.
Protect your WordPress site with Token2 two-factor authentication
This plug-in adds a `Login with MySpaceID' button to the login page.
SimpleModal Janrain Engage adds Janrain Engage (aka rpx) to your SimpleModal Login
A login alternative to OpenID, designed for blogs and anything else you can think of!