Best single sign-on plugins for WordPress
The most popular single sign-on plugins for WordPress in November 2026, in WordPress.org’s own popular order, which follows active installs. SAML Single Sign On leads with 10K+ active installs, ahead of Login by Auth0 (10K+) and OneLogin SAML SSO (7K+). All 37 plugins tagged “Single Sign-on” are below, with figures from WordPress.org that update every day.
Installs aren’t everything: a recent release, a “Tested up to” that matches the current WordPress, and support threads that get resolved show a plugin is looked after. Open any plugin for its downloads, rank history and alternatives.
Research this niche or see all plugins.
Top 10 single sign-on plugins
- 1.
SAML Single Sign OnThe most installed single sign-on plugin, with 10K+ active installs. Rated 4.9 from 402 reviews, updated 5 days ago.
- 2.
Login by Auth010K+ active installs. Rated 3.1 from 18 reviews, last updated 2 years ago. Tested only up to WordPress 6.5.14.
- 3.OneLogin SAML SSO
7K+ active installs. Rated 4.4 from 14 reviews, updated 1 week ago.
- 4.
OAuth Single Sign On6K+ active installs. Rated 4.9 from 327 reviews, updated 1 week ago.
- 5.
Tim's Nextcloud SSO OAuth2200+ active installs. Rated 5.0 from 8 reviews, updated 1 month ago.
- 6.
WP Login and Register using JWT100+ active installs. Rated 5.0 from 5 reviews, updated 3 weeks ago.
- 7.
Open Access SSO100+ active installs. No reviews yet, updated 1 month ago.
- 8.
Multisite Multidomain Single Sign On90+ active installs. Rated 4.8 from 10 reviews, last updated 2 years ago. Tested only up to WordPress 6.4.14.
- 9.
Cloud SAML SSO80+ active installs. Only 4 reviews so far, updated 9 months ago. Tested only up to WordPress 6.9.11.
- 10.GateLink Manager
60+ active installs. No reviews yet, last updated 1 year ago. Tested only up to WordPress 6.8.12.
All 37 plugins tagged “Single Sign-on”

SAML Single Sign On
Up in the last 7 days:15#1,857by miniOrange5 days ago
SAML SSO (Single Sign On) for WordPress Login with Okta, Entra ID/Azure AD, GSuite, Salesforce & All SAML IdPs. Free Unlimited SSO [24/7 Support]
- Installs
- 10K+
- Rating
- 4.9(402)
- Downloads
- 581/day

Login by Auth0
Down in the last 7 days:23#2,063by Auth02 years ago
Login by Auth0 provides improved username/password login, Passwordless login, Social login and Single Sign On for all your sites.
- Installs
- 10K+
- Rating
- 3.1(18)
- Downloads
- 153/day
OneLogin SAML SSO
Down in the last 7 days:21#2,666by sixtomartin8 days ago
This plugin provides single sign-on via SAML and gives users one-click access to their WordPress accounts from identity providers like OneLogin.
- Installs
- 7K+
- Rating
- 4.4(14)
- Downloads
- 370/day

OAuth Single Sign On
Up in the last 7 days:2#2,689by miniOrange7 days ago
WordPress OAuth SSO (Single Sign On) with Azure, Okta, Cognito, Keycloak, OAuth & OpenID Providers. Free Unlimited SSO Authentication [24/7 Support]
- Installs
- 6K+
- Rating
- 4.9(327)
- Downloads
- 186/day

Tim's Nextcloud SSO OAuth2
Up in the last 7 days:25#11,179by Tim Oxendale1 month ago
Enables you to login to your WordPress site with your Nextcloud account with OAuth2
- Installs
- 200+
- Rating
- 5.0(8)
- Downloads
- 11/day

WP Login and Register using JWT
Down in the last 7 days:328#13,670by miniOrange27 days ago
WordPress login (WordPress Single Sign-On) using JWT token obtained from other WordPress sites or any other application. Synchronize user sessions bet …
- Installs
- 100+
- Rating
- 5.0(5)
- Downloads
- 12/day

Open Access SSO
Up in the last 7 days:728#14,391by idgold1 month ago
Free, privacy-first SAML 2.0 and OpenID Connect single sign-on for WordPress. Role mapping, access control, multi-IdP. No premium tier, no tracking.
- Installs
- 100+
- Rating
- –
- Downloads
- 25/day

Multisite Multidomain Single Sign On
Down in the last 7 days:284#17,376by emfluence interactive marketing2 years ago
Avoid having to separately sign in to separate-domain sites of the same multisite installation!
- Installs
- 90+
- Rating
- 4.8(10)
- Downloads
- 11/day

Cloud SAML SSO
Down in the last 7 days:57#17,935by Cloud Infrastructure Services9 months ago
WordPress SSO using SAML IDPs to enable single sign on using Azure AD, Office 365, Okta, ADFS, KeyCloak, OneLogin, Salesforce, Google Apps Gsuite
- Installs
- 80+
- Rating
- 4.0(4)
- Downloads
- 9/day
GateLink Manager
Up in the last 7 days:18#19,611by NUMAN RASHEED1 year ago
Secure, passwordless admin access for multiple WordPress sites—one‑click, HMAC‑signed SSO for remote wp‑admin login.
- Installs
- 60+
- Rating
- –
- Downloads
- 0/day

Cassava CAS Server
#24,668by Luis Rodrigues10 years ago
Cassava provides authentication services based on the Jasig CAS protocol.
- Installs
- 30+
- Rating
- 5.0(2)
- Downloads
- 0/day

Single Sign On For TNG
Down in the last 7 days:358#26,526by Colin Stearman2 months ago
Single Sign On For TNG automates the login to the genealogy program TNG by Darrin Lithgoe.
- Installs
- 20+
- Rating
- –
- Downloads
- 0/day
SSO for Microsoft Entra
#26,823by Khoi Pro3 months ago
Single Sign-On authentication for WordPress using Microsoft Entra ID (Azure AD) via OpenID Connect with PKCE.
- Installs
- 20+
- Rating
- –
- Downloads
- 0/day

Single Sign-On
Up in the last 7 days:40#27,688by Claude4 years ago
Single Sign-On is a professional SSO extension that works accross different domains, servers and websites. Installed in just a few minutes.
- Installs
- 20+
- Rating
- 5.0(1)
- Downloads
- 0/day

i4a Single Sign-On
Up in the last 7 days:508#31,650by i4awordpress2 months ago
Bidirectional single sign-on between a WordPress website and i4a association management software, for current members and, optionally, non-members.
- Installs
- 10+
- Rating
- –
- Downloads
- 0/day
Header Login
#37,406by scweber11 years ago
Allow a user to be automatically logged into WordPress if their headers are present and valid.
- Installs
- 10+
- Rating
- –
- Downloads
- 0/day
WebshopLogin Single Sign On
Up in the last 7 days:5,837#37,592by Webshoplogin8 years ago
Login with one account using an existing account from eg. Facebook, Paypal or Google or from one of the many connected webshops.
- Installs
- 10+
- Rating
- 5.0(1)
- Downloads
- 0/day

Twelve Legs Marketing SSO
Up in the last 7 days:1,098#38,974by websitetwelvelegsmarketing3 months ago
Single sign-on plugin for WordPress that accepts RS256 JWTs from the TWL SSO application for secure authentication.
- Installs
- 10+
- Rating
- –
- Downloads
- 0/day
SSO Login
Up in the last 7 days:4,936#43,331by Authress11 months ago
SSO Login provides user login, business authentication, SSO, Social login, and Single Sign-On for all sites.
- Installs
- 10+
- Rating
- –
- Downloads
- 5/day
PHPBB Single Sign On
Down in the last 7 days:7,760#43,677by onigoetz13 years ago
Authenticate in Wordpress and phpBB at the same time
- Installs
- 10+
- Rating
- 4.4(5)
- Downloads
- 0/day

WP vBulletin SSO
#46,199by extremeidea6 years ago
Looking for SSO tool for your WordPress and vBulletin sites?
- Installs
- 10+
- Rating
- –
- Downloads
- 0/day

Lana Single Sign On
Down in the last 7 days:8,297#48,303by Lana Codes2 years ago
Creates the ability to login using Single Sign On via OAuth 2.0
- Installs
- 10+
- Rating
- –
- Downloads
- 0/day
GateLink Client
#52,214by NUMAN RASHEED1 year ago
Secure, zero‑config SSO for WordPress sites—validate HMAC‑signed links and log users into wp‑admin automatically.
- Installs
- <10
- Rating
- –
- Downloads
- 0/day

TokenLink SSO Login for Zendesk
Up in the last 7 days:17,152#52,294by Jerry Benton5 months ago
Provides secure JWT-based single sign-on (SSO) between WordPress and Zendesk. No third-party plugins, no tracking, no bloat. Totally free.
- Installs
- <10
- Rating
- –
- Downloads
- 0/day

Signclave
#54,776by Consid Borås10 days ago
Secure SAML 2.0 SP with optional LDAP, using pinned IdP certificates and prefixed xmlseclibs.
- Installs
- <10
- Rating
- 5.0(1)
- Downloads
- 11/day

SSO vBulletin
Up in the last 7 days:9,378#56,694by extremeidea6 years ago
Important!!!
- Installs
- <10
- Rating
- –
- Downloads
- 0/day

onID SSO by SAML 2.0
#57,550by doID1 year ago
WordPress Passwordless login just by scanning a one time QR code; no configuration needed. For admin console and end users too, of course.
- Installs
- <10
- Rating
- –
- Downloads
- 0/day

WP SSO server
Up in the last 7 days:4,868#59,556by MarianoFerro8 years ago
Servidor de sso para wordpress, este plugin convierte a tu wordpress en el servidor de login de otro wordpress, sin DBs, sin cookies.
- Installs
- <10
- Rating
- –
- Downloads
- 0/day

Share Login
#64,736by Ashish Kakadiya1 year ago
Automatically synchronize user logins between WordPress websites, enabling seamless single sign-on functionality.
- Installs
- <10
- Rating
- –
- Downloads
- 0/day

wp-sso-client
Down in the last 7 days:8,031#70,167by MarianoFerro8 years ago
Documentacion completa https://gitlab.com/wp-sso/wp-sso-client
- Installs
- <10
- Rating
- –
- Downloads
- 0/day
Login with Frica ID
#71,080by iVan Chibo8 days ago
Add Frica ID sign-in to WordPress with secure account linking and OpenID Connect authorization-code login with PKCE.
- Installs
- <10
- Rating
- –
- Downloads
- 11/day

Casdoor
#71,170by casdoor1 month ago
Log in to WordPress with Casdoor, the open-source identity and access management (IAM) and single sign-on (SSO) platform.
- Installs
- <10
- Rating
- –
- Downloads
- 0/day

Snapplify Single Sign On
#71,632by Snapplify1 year ago
WordPress User Single Sign On authentication with a Snapplify User Account.
- Installs
- <10
- Rating
- –
- Downloads
- 0/day

Leadstart SSO for OpenID Connect
#73,603by Leadstartorg2 days ago
The plugin provides a single sign-on, logout and signed cross-site connection for separate WordPress installs sharing one OpenID Connect provider.
- Installs
- <10
- Rating
- –
- Downloads
- 0/day