doid

WordPress Passwordless SingleSignOn with our <a href="https://onboardingidentity.com/" rel="nofollow ugc">SAML Passwordless Single Sign On Plugin</a> allows access without the need to type in account and password. The functionality is available to access WordPress console and a sample page for end user identification is available too. 
All you need is to scan a QR code which is valid one time only, and has a very limited time to live; super secure, super easy – no configuration needed.
The companion app for mobile is available for <a href="https://play.google.com/store/apps/details?id=com.onboardingidentity.onid" rel="nofollow ugc">Android</a> or <a href="https://apps.apple.com/app/onboardingidentity/id6738704920" rel="nofollow ugc">iOS</a>
<h3>External services</h3>
This plugin connects to an API to obtain an OTP in a QRcode shape, it’s needed to login to the admin console.
It does NOT send any user info, nor system info, to the external service. It just receive the email address of the user who acquired the QRcode through a dedicated mobile app on smartphone. 
This service is provided by an ‘onboardingIdentity’ subsidiary: terms of use, privacy policy are available on <a href="https://onboardingidentity.com/aaa/support.html" rel="nofollow ugc">support</a> and <a href="https://onboardingidentity.com/aaa/service.html" rel="nofollow ugc">service</a>.

onID SSO by SAML 2.0

WordPress Passwordless login just by scanning a one time QR code; no configuration needed. For admin console and end users too, of course.

onelogin

This SAML plugin eliminates passwords and allows you to authenticate WordPress users (typically editors) against your existing Active Directory or LDAP server as well increase security using YubiKeys or VeriSign VIP Access via OneLogin. OneLogin is pre-integrated with thousands of apps and handles all of your SSO needs in the cloud and behind the firewall.
<ul>
<li>Eliminate passwords in WordPress</li>
<li>Allow users to sign into WordPress with their Active Directory or LDAP credentials</li>
<li>Give users one-click access from your intranet</li>
<li>Increase security using browser PKI certificates or two-factor authentication from Yubico or VeriSign</li>
<li>Easily prevent access from former employees and contractors</li>
</ul>
If you used this plugin before 2.2.0 with just-in-time provision active, Read: https://wpvulndb.com/vulnerabilities/8508 
To mitigate that bug, place the script at the root of wordpress and execute it (later remove it) https://gist.github.com/pitbulk/a8223c90a3534e9a7d5e0a93009a094f

OneLogin SAML SSO

This plugin provides single sign-on via SAML and gives users one-click access to their WordPress accounts from identity providers like OneLogin.

onID SSO by SAML 2.0 vs OneLogin SAML SSO