These are some of the notable Single Sign-On (SSO) implementations available: {, class="wikitable sortable" style="text-align: center;" ! Product Name ! Project/Vendor ! License !

Identity management Identity and access management (IAM or IdAM) or Identity management (IdM), is a framework of policies and technologies to ensure that the right users (that are part of the ecosystem connected to or within an enterprise) have the appropriate acce ...

platform ! Description , - , Accounts & SSO , ,

Nokia Nokia Corporation is a Finnish multinational corporation, multinational telecommunications industry, telecommunications, technology company, information technology, and consumer electronics corporation, originally established as a pulp mill in 1 ...

Intel Intel Corporation is an American multinational corporation and technology company headquartered in Santa Clara, California, and Delaware General Corporation Law, incorporated in Delaware. Intel designs, manufactures, and sells computer compo ...

,… , ,

Free software Free software, libre software, libreware sometimes known as freedom-respecting software is computer software distributed open-source license, under terms that allow users to run the software for any purpose as well as to study, change, distribut ...

, , , , Client-side implementation with plugins for various services/protocols , - , Active Directory Federation Services, ,

Microsoft Microsoft Corporation is an American multinational corporation and technology company, technology conglomerate headquartered in Redmond, Washington. Founded in 1975, the company became influential in the History of personal computers#The ear ...

, , Proprietary, , , , Claims-based system and application federation using

SAML 2.0 Security Assertion Markup Language (SAML) 2.0 is a version of the Security Assertion Markup Language, SAML standard for exchanging authentication and authorization identities between security domains. SAML 2.0 is an XML-based communications ...

or WS-Federation , - , , Bitium, , Bitium, , Proprietary, , , , Enterprise cloud-based identity and access management solution with single sign-on, active directory integration and 2-factor authentication options , - , CAS / Central Authentication Service, , Apereo, , Free & Open Source ( Apache 2.0) , , , Protocol and open-source SSO server/client implementation with support for CAS, SAML1, SAML2, OAuth2, SCIM, OpenID Connect and WS-Fed protocols both as an identity provider and a service provider with other auxiliary functions that deal with user consent, access management, impersonation, terms of use, etc. Licensed under Apache 2.0. , - , CoSign single sign on, ,

University of Michigan The University of Michigan (U-M, U of M, or Michigan) is a public university, public research university in Ann Arbor, Michigan, United States. Founded in 1817, it is the oldest institution of higher education in the state. The University of Mi ...

, , Academic, , , , SSO for University of Michigan , - , Distributed Access Control System (DACS), , Distributed Systems Software, , Free Software, , , , , - , Facebook connect, ,

Facebook Facebook is a social media and social networking service owned by the American technology conglomerate Meta Platforms, Meta. Created in 2004 by Mark Zuckerberg with four other Harvard College students and roommates, Eduardo Saverin, Andre ...

, , Proprietary, , , , Facebook SSO to third parties enabled by Facebook , - , FreeIPA, ,

Red Hat Red Hat, Inc. (formerly Red Hat Software, Inc.) is an American software company that provides open source software products to enterprises and is a subsidiary of IBM. Founded in 1993, Red Hat has its corporate headquarters in Raleigh, North ...

, , Free Software, , Yes, , , - , IceWall SSO, , Hewlett-Packard Enterprise, , Proprietary, , , , Web and Federated Single Sign-On Solution , - , IBM Enterprise Identity Mapping, , IBM, , Free software, , Yes, , Works with Kerberos (e.g. Active Directory) and other authentication mechanisms to map different identities and hence allow single signon to all IBM server platforms (Windows, Linux, PowerLinux, IBM i, i5/OS, OS/400, AIX) even when the user name differs. , - , LTPA, ,

IBM International Business Machines Corporation (using the trademark IBM), nicknamed Big Blue, is an American Multinational corporation, multinational technology company headquartered in Armonk, New York, and present in over 175 countries. It is ...

, , Proprietary, , , , , - , Imprivata OneSign, , Imprivata, , Proprietary, , , , , - ,

Janrain Janrain, sometimes styled as JanRain, is a customer profile and identity management (CIAM) software provider based in Portland, Oregon, United States. It was established in 2002. Akamai acquired Janrain in January 2019. History Janrain was foun ...

Federate SSO, , Janrain, , Proprietary, , Yes, , Social and conventional user SSO , - ,

JOSSO Java Open Single Sign On (JOSSO) is an open source Open source is source code that is made freely available for possible modification and redistribution. Products include permission to use and view the source code, design documents, or content ...

, , JOSSO, , Free Software, , , , Open Source Single Sign-On Server , - , Keycloak
(Red Hat Single Sign-On), ,

, , Open source, , Yes, , Federated SSO (LDAP and Active Directory), standard protocols (OpenID Connect, OAuth 2.0 and SAML 2.0) for Web, clustering and single sign on.
Red Hat Single Sign-On is version of Keycloak for which RedHat provides commercial support. , - ,

Microsoft account A Microsoft account or MSA (previously known as Microsoft Passport, .NET Passport, and Windows Live ID) is a single sign-on personal user (computing), user account for Microsoft customers to Login, log in to consumer Microsoft services (like Ou ...

, , Microsoft, , Proprietary, , , , Microsoft single sign-on web service , - , Microsoft Azure EntraID , Microsoft , Proprietary , Yes , Cloud based single sign-on which supports

, WS-Federation, and

OpenID Connect OpenID is an open standard and decentralized authentication protocol promoted by the non-profit OpenID Foundation. It allows users to be authenticated by co-operating sites (known as relying parties, or RP) using a third-party identity provid ...

, - , myOneLogin, , VMware, , Proprietary, , , , Cloud single sign-on , - , NetIQ Access Manager, , Microfocus, , Proprietary, , Yes, used in conjunction with NetIQ Identity Manager, , Access Management, Federation and Risk-Based Access Control platform , - , Numina Application Framework, , Numina Solutions, , Proprietary, , Yes, , Single sign-on system for Windows (OpenID RP & OP, SAML IdP, and proprietary) , - , Okta , Okta, Inc. , , Yes , Okta is SaaS based

identity management Identity and access management (IAM or IdAM) or Identity management (IdM), is a framework of policies and technologies to ensure that the right users (that are part of the ecosystem connected to or within an enterprise) have the appropriate acce ...

and Single Sign On service provider which supports

and other protocols , - , OneLogin, , OneLogin Inc., , Proprietary, , Yes, , Cloud-based identity and access management with single sign-on (SSO) and active directory integration , - , OpenAthens, , Jisc, , Proprietary, , Yes, , Identity and access management solutions to IdPs and SPs enabling access management to web-based resources. Fully hosted service with several directory integration options, dedicated support team. Maintains OpenAthens Federation. SAML 1.1, SAML 2.0, SSO, self-reg, compatibility with Shibboleth, API. , - , OpenAM, , Open Identity Platform Community, ,

CDDL The Common Development and Distribution License (CDDL) is a free and open-source software license, produced by Sun Microsystems, based on the Mozilla Public License (MPL). Files licensed under the CDDL can be combined with files licensed under o ...

, , Yes, used in conjunction with OpenDJ and OpenIDM, , Access management, entitlements and federation server platform , - , Oracle Identity Management, , Oracle Corporation, , Proprietary, , Yes, , Identity and Access Management Suite of products from Oracle , - , SecureLogin, , NetIQ, , Proprietary, , , , Enterprise Single-Sign-On , - ,

Shibboleth A shibboleth ( ; ) is any custom or tradition—usually a choice of phrasing or single word—that distinguishes one group of people from another. Historically, shibboleths have been used as passwords, ways of self-identification, signals of l ...

, , Shibboleth, , Free & Open Source ( Apache 2.0), , , , SAML-based open source access control , - , Ubuntu Single Sign On, , Canonical Ltd., , Proprietary, , , , OpenID-based SSO for Launchpad and Ubuntu services , - ,

Univention Corporate Server Univention Corporate Server (UCS) is a server operating system derived from Debian with an integrated management system for the central and cross-platform administration of servers, services, clients, desktops and users as well as virtualized comp ...

, , Univention, , Free & Open Source, , , , Enterprise IAM with single sign-on using SAML , - , WSO2 Identity Server, , WSO2, , Free & Open Source ( Apache 2.0), , Yes, , SAML 2.0, OpenID, OpenID Connect, OAuth 2.0, SCIM, XACML, Passive Federation , - , ZXID, , ZXID, , Free Software, , Yes, , Reference Implementation of TAS3 security

See also