Selective maintenance and service-status control for WordPress. Keep unaffected parts online with up to three independent Service Zones.
Alternatives to Cassava CAS Server
Plugins below are selected for functional relevance and current directory signals. Active-install counts do not affect this ranking.
Relevant replacements
WordPress plugins with similar use cases
Compatibility and update metadata provide context, not a quality guarantee. Review each plugin’s details for your site.
Open Access SSOv3.1.1
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.
Single sign-on plugin for WordPress that accepts RS256 JWTs from the TWL SSO application for secure authentication.
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]
SSO Login provides user login, business authentication, SSO, Social login, and Single Sign-On for all sites.
Provides secure JWT-based single sign-on (SSO) between WordPress and Zendesk. No third-party plugins, no tracking, no bloat. Totally free.
SSO for Microsoft Entrav2.7.1
Single Sign-On authentication for WordPress using Microsoft Entra ID (Azure AD) via OpenID Connect with PKCE.
WordPress OAuth SSO (Single Sign On) with Azure, Okta, Cognito, Keycloak, OAuth & OpenID Providers. Free Unlimited SSO Authentication [24/7 Support]
OneLogin SAML SSOv3.7.1
This plugin provides single sign-on via SAML and gives users one-click access to their WordPress accounts from identity providers like OneLogin.
The plugin provides a single sign-on, logout and signed cross-site connection for separate WordPress installs sharing one OpenID Connect provider.