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Best Single Sign-On Software in 2026

Managing sign-in across applications brings identity controls and provisioning into focus. Compare SSO protocols and directory integrations with lifecycle provisioning, adaptive access, and built-in MFA. Prebuilt app count offers another point of comparison for integrations, while free-plan availability and paid-from pricing provide cost context. FusionAuth, miniOrange Identity and Access Management, and Zoho Directory are among the named options. Consider which access controls and directory connections your environment requires, then compare the listed provisioning and integration details.

  1. 1

    Ory

    Free plan Open source APILinuxMac+3

    Ory combines identity capabilities with self-hosted and managed deployment choices. Teams needing B2B authentication should note that it is listed for Growth and Enterprise, not the lower two tiers.

    8.8 Free plan Visit site
  2. 2

    Amazon Cognito

    Free plan AndroidAPIiPhone+1

    Cognito combines application sign-in, federation, and access control with a wide set of AWS integrations.

    7.7 Free plan · paid from $0.01/user/mo Visit site
  3. 3

    Authelia

    Free plan APILinuxSelf-hosted+1

    Authelia combines several authentication methods with policy-based access control and password resets.

    7.6 Free plan Visit site
  4. 4

    authentik

    Free plan APILinuxMac+3

    authentik covers a broad set of identity protocols and use cases, with a self-hosted deployment model.

    7.6 Free plan · paid from $5/user/mo (annual) Visit site
  5. 5

    Apereo CAS

    Free plan APISelf-hostedWeb

    Choose Apereo CAS if you need a free, open-source identity provider with broad protocol, authentication-source, and MFA support.

    7.5 Free plan Visit site
  6. 6

    Descope

    Free plan AndroidAPIiPhone+2

    Descope combines visual authentication-flow design with SDKs, APIs, and a broad range of authentication methods.

    7.5 Free plan · paid from $249/mo (annual) Visit site
  7. 7

    Frontegg

    Free plan AndroidAPIiPhone+1

    Frontegg combines customer sign-in, authorization, and B2B tenant controls with developer SDKs and an embedded admin portal.

    7.5 Free plan Visit site
  8. 8

    FusionAuth

    Free plan AndroidAPIiPhone+5

    FusionAuth offers identity management with multiple authentication methods, standards, and deployment options.

    7.5 Free plan · paid from $162/mo (annual) Visit site
  9. 9

    Google Cloud Identity

    Free plan AndroidAPIiPhone+4

    Cloud Identity combines identity federation, app SSO, device management, and provisioning in a central service.

    7.5 Free plan · paid from $6/user/mo (annual) Visit site
  10. 10

    Auth0 Guardian

    Free plan AndroidiPhone

    Guardian offers push approval and temporary OTPs, alongside options for app protection and localization.

    7.4 Free plan · paid from $35/mo · 22-day trial Visit site
  11. 11

    Keycloak

    Free plan APILinuxSelf-hosted+2

    Keycloak provides single sign-on, multiple authentication methods, directory synchronization, and fine-grained authorization policies as open-source software.

    7.4 Open source Visit site
  12. 12

    LemonLDAP::NG

    Free plan APILinuxSelf-hosted+1

    Choose LemonLDAP::NG if you need free, self-hosted SSO and federation across applications, with several integration methods and directory options.

    7.4 Free plan Visit site
  13. 13

    miniOrange Identity and Access Management

    Free plan AndroidAPIiPhone+5

    Choose miniOrange IAM if you need identity management across workforce, customer, partner, or AI agent access, with cloud and on-premise deployment choices.

    7.3 Free plan · paid from $49/mo · 30-day trial Visit site
  14. 14

    JumpCloud Protect

    Free plan AndroidiPhone

    Protect offers push and offline TOTP authentication across supported portals, apps, and device logins.

    7.1 Free plan Visit site
  15. 15

    Shibboleth

    Free plan LinuxMacSelf-hosted+1

    Shibboleth offers identity-provider, service-provider, discovery, and metadata capabilities, with a broad range of listed protocols and directory integrations.

    7.0 Free plan Visit site
  16. 16

    Stytch

    Free plan AndroidAPIiPhone+1

    Stytch combines a broad set of identity, access-control, and fraud tools with implementation options for frontend and backend developers.

    7.0 Free plan Visit site
  17. 17

    OneLogin Protect

    by OneLogin Protect
    Free plan AndroidiPhone

    OneLogin Protect offers push approvals and changing OTPs across OneLogin and otpauth-compatible services. Android users should note that backup and restore support has been discontinued.

    6.9 Free plan · 30-day trial Visit site
  18. 18

    Oracle Cloud Infrastructure Secret Management

    by Oracle Cloud Infrastructure Secret Management
    Free plan APIWeb

    OCI Secret Management centralizes credential storage, access control, rotation, and replication.

    6.9 Free plan Visit site
  19. 19

    WorkOS

    Free plan AndroidAPIiPhone+1

    Choose WorkOS if your SaaS application needs enterprise identity, directory provisioning, or an administration portal through APIs and hosted tools.

    6.9 Free plan · paid from $125/mo Visit site
  20. 20

    Zoho Directory

    Free plan AndroidiPhoneLinux+3

    Choose Zoho Directory if you need workforce access management with multiple authentication methods, conditional access, and a broad pre-built integration library.

    6.9 Free plan · 45-day trial Visit site
  21. 21

    BIO-key PortalGuard

    Free trial MacSelf-hostedWeb+1

    PortalGuard combines MFA, SSO, biometrics, desktop access, and password self-service in one IAM product.

    6.5 Pricing on request Visit site
  22. 22

    AWS IAM Identity Center

    Free plan AndroidiPhoneWeb
    6.3 Free plan Visit site
  23. 23

    IBM Verify

    by IBM Verify
    Free trial AndroidAPIiPhone+1

    IBM Verify brings workforce and customer identity controls into one platform, with orchestration, federation, lifecycle features, and several multifactor options.

    6.3 Pricing on request · 90-day trial Visit site
  24. 24

    LoginRadius

    Free trial AndroidAPIiPhone+2

    LoginRadius covers authentication, access management, integrations, and deployment choices for customer identity. The 14-day trial offers a way to evaluate it, while pricing requires a request.

    6.2 Pricing on request · 14-day trial Visit site
  25. 25
    6.2 From $3/user/mo (annual) · 30-day trial Visit site

#1Places #1, #2, #3, #4, #5 on this list can be bought by the makers of the software on it. See the price

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