Auth0 Alternatives

Sites and apps similar to Auth0 include Keycloak, which is free and open source. Other options are Authelia, ZITADEL , AuthKit and Hanko. There's no shortage of Identity Management Tools like Auth0, with more than 50 alternatives for self-hosting, Linux, Mac, Windows and iPhone.

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Alternatives
Auth0 alternatives page was last updated

Alternatives list

  1. Corbado icon
     Like

    Corbado is the passkey intelligence platform for enterprise CIAM teams. See why passkey adoption is flat, what's breaking logins, and how to scale passkeys to millions.

    Cost / License

    • Paid
    • Proprietary

    Platforms

    • Online
    • Android
    • iPhone
    • Software as a Service (SaaS)
    Good alternative?
     
  2. With the extensions of Keycloak+, enterprise requirements are fullfilled like: Delegated Administration, management of permissions in organizational structures, SCIM 2 provisioning, User Life Cycle / Housekeeping, GDPR/data protection/Audit and many more IAM features, for...

    Cost / License

    • Paid
    • Proprietary

    Application type

    Platforms

    • Online
    • Software as a Service (SaaS)
    Good alternative?
     
  3. Zalter icon
     Like

    Onboard, authenticate, and engage your users with Zalter’s APIs. Improve security and user experience with flexible, passwordless authentication solutions.

    Cost / License

    • Freemium
    • Proprietary

    Platforms

    • Linux
    • Online
    • Self-Hosted
    Good alternative?
     
  4. theAuth icon
     Like

    Auth for AI agents and humans. First-class agent identity, MCP OAuth 2.1, delegation, audit. TypeScript, edge-native, MIT.

    17 theAuth alternatives

    Cost / License

    • Free
    • Open Source (MIT)

    Application type

    Platforms

    • Self-Hosted
    • JavaScript
    • Typescript
    • npm
    • US flagUnited States
    theAuth screenshot 1
    Good alternative?
     
  5. Devolute.cloud is the only solution on the market that provides Identity Management, Workflow Management, Process Automation, Application Integration, Enterprise Search and Low-code Business Applications in one platform.

    Cost / License

    • Freemium
    • Proprietary

    Application type

    Platforms

    • Self-Hosted
    • Software as a Service (SaaS)
    Good alternative?
     
  6. PQ-Sign icon
     Like

    Post-quantum signing API built on ML-DSA-65 (NIST FIPS 204) — sign tokens, issue certificates, and verify signatures without managing cryptographic infrastructure.

    Cost / License

    • Freemium
    • Proprietary

    Platforms

    • Online
    • Software as a Service (SaaS)
    Good alternative?
     
  7. Veriam icon
     1 like

    Access & Subscriptions made easy Bring Access and Subscription Management together in one simple, secure solution. Save time, strengthen security, and make your SaaS operations scalable.

    Cost / License

    • Free
    • Proprietary

    Platforms

    • Online
    Good alternative?
     
  8. Tesseral icon
     1 like

    Tesseral is the only open source auth provider focused exclusively on serving B2B SaaS. With just a few simple lines of code, any developer can launch an elegant login page with support for common authentication factors like passwords, magic links, and social login (e.g.

    Cost / License

    • Freemium
    • Open Source (MIT)

    Platforms

    • Online
    Good alternative?
     
  9. Microsoft Entra External ID is a next-generation customer identity and access management (CIAM) solution for managing all external identities. These include customers, citizens, patients, partners, suppliers, and contractors within a single, unified platform.

    5 Microsoft Entra External ID alternatives

    Cost / License

    • Freemium
    • Proprietary

    Application type

    Platforms

    • Online
    • Software as a Service (SaaS)
    Good alternative?
     
  10. PropelAuth is the complete solution for multi-tenant authentication and authorization. Invite flows, organization management, RBAC, advanced security features, SAML, SCIM and more.

    Cost / License

    • Paid
    • Proprietary

    Application type

    Platforms

    • Online
    Good alternative?
     
  11. RCDevs' OpenOTP Security Suite is an all-in-one enterprise solution for multi-factor authentication (MFA), identity and access management (IAM), single sign-on (SSO), public key infrastructure (PKI), network access control (NAC), and mobile badging.

    Cost / License

    • Paid
    • Proprietary

    Platforms

    • Android
    • iPhone
    • Self-Hosted
    Good alternative?
     
  12. JustAuthenticateMe offers a simple authentication-as-a-service for your web apps. It uses magic links in emails as a way to verify identity so that neither you nor your users have to worry about passwords.

    Cost / License

    • Freemium
    • Proprietary

    Platforms

    • Software as a Service (SaaS)
    Good alternative?
     
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