Modern two-factor that people love to use: strong authentication without passwords or tokens; single sign on/off; magical login experience.
Simple secure login and user management for WordPress through your G Suite / Google Apps domain (uses secure OAuth2, and MFA if enabled)
Browse for Google Drive documents and embed directly in your posts/pages. Extends Google Apps Login plugin so no extra user auth required.
Slimpack — Lightweight Jetpack. Super-fast performance without modules that requires contracting WordPress.com.
Authy is the easiest and fastest way to add strong 2 Factor Authentication to your WordPress blog.
Integrates Vanilla Forums with WordPress: embedded blog comments, embedded forum, single sign on, and WordPress widgets.
Create and Manage an OAuth 2.0 server powered by WordPress. Become a Single Sign On Provider and or resource server.
SAML 2.0 Single Sign-On allows you to use a SAML 2.0-compliant Identity Provider for Single Sign-On to your blog.
SAML 2.0 Single Sign On provides SSO/Login to your WordPress site with any SAML compliant Identity Provider. (ACTIVE SUPPORT for IdP config)
This plugin provides single sign-on via SAML and gives users one-click access to their WordPress accounts from identity providers like OneLogin.
Allows you to setup single sign on capabilities between your site and Freshdesk. Create's user accounts on the fly, automatically logs in users.
This plugin provides single sign-on capabilities for Discourse using WordPress user authentication.
This plugin allows your WordPress users to authenticate and login to Vanilla forums like Facebook Connect.
Single sign on for a multisite network. Users are authenticated across all sites within the network.
Enable users to log in to your site using their Credly account credentials.
Allow a user to be automatically logged into WordPress if their headers are present and valid.
Single Sign On provides SSO/Login to your WordPress site with your Windows Domain Credentials. (ACTIVE SUPPORT for IdP config)
Login using WordPress users to any website. SAML SSO into any number of sites using WP users. Make WP an identity provider or authentication source.
Google Apps Login provides simple secure login to your WordPress site via user's Google Apps account (uses secure SAML).Support MFA if enabled.
A simple login with google account in WordPress
netFORUM Single Sign on. Allows users to sign in to wordpress using Avectra netFORUM credentials.
A simple login with facebook account in WordPress
Cassava provides authentication services based on the Jasig CAS protocol.
Alternative authentication plugin for WordPress. This plugin add several login method: LDAP login and two Single Sign-on(SSO) login method: CoSign V2,
SSO into 4500+ cloud applications using SAML.
Sign in to WordPress using a NeonCRM constituent account.
OneID is an easy-to-integrate plug-in that lets your users log in with a click or tap, eliminating the need for usernames and passwords.
This plugin is a OAuth2 Client plugin that provides Single Sign On capabilities with another WordPress install using WP Oauth Server.
RESTful Single Signon Plugin is a WordPress plugin that allows you authenticate WordPress users with a RESTful identity provider.
Janrain Registration and Customer Profile Data Storage