The Most Popular SSO Server, Ranked

Choose the server you think is the most popular!

Author: Gregor Krambs
Updated on May 24, 2024 07:07
As businesses grow and digital environments become more complex, the importance of efficient and secure user authentication systems increases. Single Sign-On (SSO) servers play a crucial role by allowing users to access multiple applications with one set of login credentials. This not only enhances user convenience but also bolsters security and reduces password fatigue. Given the myriad of SSO solutions available, identifying the most effective system can be daunting. By providing a dynamic ranking based on user votes, this list offers a focused insight into which SSO servers are preferred by most users. Each vote helps refine the ranking, offering up-to-date guidance on the top-performing options in the market.

What Is the Most Popular SSO Server?

  1. 1


    Okta is a widely used identity and access management platform that offers Single Sign-On (SSO) solutions among other services.
    • Founded: 2009
    • Headquarters: San Francisco, California, United States
  2. 2

    Microsoft Azure Active Directory

    Azure Active Directory is Microsoft's cloud-based identity and access management service, which includes SSO capabilities among many other features.
    • Integration: Seamlessly integrates with Office 365 and other Microsoft services
    • Feature: Offers conditional access and multi-factor authentication
  3. 3

    Ping Identity

    Ping Identity provides cloud-based identity security solutions, including Single Sign-On and multi-factor authentication.
    • Founded: 2002
    • Headquarters: Denver, Colorado, United States
  4. 4


    OneLogin provides a cloud-based identity and access management solution that offers SSO among its suite of services.
    • Founded: 2009
    • Headquarters: San Francisco, California, United States
  5. 5


    Auth0 offers a platform for authentication and authorization services, including SSO, for applications.
    • Acquisition: Acquired by Okta in 2021
    • Founded: 2013
  6. 6

    Google Workspace

    Google Workspace provides a suite of cloud computing, productivity and collaboration tools, software and products including SSO capabilities.
    • Previously Known: G Suite
    • Launch Date: August 28, 2006
  7. 7

    IBM Security Verify

    IBM Security Verify offers a range of identity and access management solutions, including SSO, to secure applications and data.
    • Previously Known: IBM Cloud Identity Service
    • Feature: Integrates with IBM's cloud security services
  8. 8


    Keycloak is an open-source identity and access management solution developed by Red Hat, which includes SSO among its features.
    • Founded: 2014
    • License: Apache License 2.0
  9. 9

    Salesforce Identity

    Salesforce Identity provides identity and access management solutions, including SSO, for Salesforce applications and services.
    • Integration: Deeply integrated with Salesforce platform
    • Feature: Supports social sign-on and mobile identity
  10. 10


    ForgeRock offers a comprehensive platform for identity and access management, including SSO, to help organizations secure their digital identities.
    • Founded: 2010
    • Headquarters: San Francisco, California, United States

Missing your favorite server?

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About this ranking

This is a community-based ranking of the most popular SSO server. We do our best to provide fair voting, but it is not intended to be exhaustive. So if you notice something or servant is missing, feel free to help improve the ranking!


  • 105 votes
  • 10 ranked items

Voting Rules

A participant may cast an up or down vote for each servant once every 24 hours. The rank of each servant is then calculated from the weighted sum of all up and down votes.


Additional Information

More about the Most Popular SSO Server

Rank #1 for the most popular SSO server: Okta (Source)
Single Sign-On (SSO) servers simplify user access across multiple applications. Users log in once and gain access to various systems without repeated authentication. This improves user experience and increases security.

SSO servers manage authentication and authorization. When a user logs in, the SSO server verifies their identity. After verification, it issues a token. This token grants access to other applications without additional logins. The process is seamless and efficient.

SSO servers use different protocols. The most common ones are SAML, OAuth, and OpenID Connect. SAML (Security Assertion Markup Language) is often used in enterprise environments. It allows secure exchange of authentication data between parties. OAuth (Open Authorization) is popular for web and mobile applications. It provides secure, delegated access. OpenID Connect builds on OAuth, adding an identity layer.

Integration with existing systems is crucial for SSO servers. They often connect with directories like LDAP or Active Directory. This allows them to authenticate users based on existing credentials. They also integrate with various applications and services. This ensures a smooth user experience.

Security is a key aspect of SSO servers. They reduce the risk of password fatigue. Users remember one set of credentials, lowering the chance of weak passwords. SSO servers also support multi-factor authentication. This adds an extra layer of security. If one factor is compromised, the other remains secure.

SSO servers provide centralized control. Administrators manage user access from one place. They can enforce policies and monitor access. This improves security and compliance. It also simplifies user management.

Scalability is another benefit of SSO servers. They handle large numbers of users and applications. This makes them suitable for organizations of all sizes. They also support cloud and on-premises deployments. This flexibility meets various needs.

User experience improves with SSO servers. Users log in once and access multiple applications. This saves time and reduces frustration. It also increases productivity. Users spend less time managing passwords and more time on tasks.

SSO servers offer cost savings. They reduce the need for multiple authentication systems. This lowers maintenance and support costs. They also decrease helpdesk requests. Users face fewer login issues, reducing support tickets.

Implementation of SSO servers requires planning. Organizations must assess their needs and choose the right solution. They must consider factors like security, scalability, and integration. Proper implementation ensures a smooth transition.

Training is important for successful SSO deployment. Users need to understand how to use the system. Administrators need to know how to manage it. Training reduces resistance and increases adoption.

In summary, SSO servers streamline user access, enhance security, and improve user experience. They offer centralized control, scalability, and cost savings. Proper planning and training ensure successful implementation. Organizations benefit from increased productivity and reduced support costs.

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