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Best Authentication Software in 2026

  1. 1

    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
  2. 2

    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
  3. 3

    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
  4. 4

    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
  5. 5

    Clerk

    Free plan AndroidAPIExtension+2

    Clerk combines authentication, user management, organization support, and billing for application teams, with a free Hobby tier and paid plans.

    7.5 Free plan · paid from $20/mo (annual) 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

    Entrust Identity App

    by Entrust Identity App
    Free plan AndroidiPhoneMac+1

    Entrust Identity App supports sign-in and transaction verification for people whose organization has deployed Identity Enterprise. It is free to download, but organizational activation is required.

    7.5 Free plan Visit site
  8. 8

    Frontegg

    Free plan AndroidAPIiPhone+1

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

    7.4 Free plan Visit site
  9. 9

    FusionAuth

    Free plan AndroidAPIiPhone+5

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

    7.4 Free plan · paid from $162/mo (annual) Visit site
  10. 10

    Google Cloud Identity

    Free plan AndroidAPIiPhone+4

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

    7.4 Free plan · paid from $6/user/mo (annual) 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.

    7.2 Open source Visit site
  12. 12

    Logto

    Free plan AndroidAPIExtension+3

    Choose Logto if you need authentication and authorization for an app or SaaS product, with options for cloud or self-hosting and broad developer tooling.

    7.2 Free plan · paid from $24/mo Visit site
  13. 13

    MojoAuth

    Free plan AndroidAPIiPhone+2

    Choose MojoAuth for consumer app authentication when passwordless sign-in, developer tools, and a gradual move from passwords matter.

    7.2 Free plan · paid from $50/mo · 30-day trial Visit site
  14. 14

    Okta Customer Identity Cloud

    Free plan AndroidAPIiPhone+4

    Auth0 covers user sign-in, single sign-on, passwordless access, and machine-to-machine authentication, with developer tools and deployment options.

    7.1 Free plan · paid from $3,000/mo (annual) · 30-day trial Visit site
  15. 15

    JumpCloud Protect

    Free plan AndroidiPhone

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

    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

    Supabase

    Free plan AndroidAPIiPhone+4

    Supabase brings a Postgres database and several backend services together, with client libraries and self-hosting documentation.

    7.0 Free plan · paid from $25/mo Visit site
  18. 18

    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
  19. 19

    ZITADEL

    Free plan APILinuxMac+2

    Choose ZITADEL if you need identity management with B2B role delegation, multiple authentication options, and a choice of cloud or self-hosted deployment.

    6.9 Free plan · paid from $100/mo Visit site
  20. 20

    1Password

    by AgileBits Inc.
    Free trial AndroidAPIExtension+5

    1Password offers individual, family, team, and business plans, with support for major desktop and mobile platforms and several browsers.

    6.6 From $2.99/mo first year, billed annually Visit site
  21. 21

    Cisco Duo Passwordless

    Free plan AndroidiPhoneLinux+3
    6.6 Free plan · paid from $3/user/mo · 30-day trial Visit site
  22. 22

    Authsignal

    Free trial AndroidAPIiPhone+1
    6.5 From $499/mo · 30-day trial 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.

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

    Microsoft Defender for Business

    by Microsoft Defender for Business
    Free trial AndroidAPIiPhone+2
    6.1 From $3/user/mo (annual) · 30-day trial Visit site
  25. 25

    Gluu Flex

    Paid APILinuxSelf-hosted+1
    5.8 From $500 · 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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