Top Free Alternatives to Okta

Stop paying expensive subscriptions for Security tools. Discover the best free and open-source replacements for Okta.

Why switch from Okta?

Okta's pricing scales aggressively per user and has suffered security breaches. Switching to open-source identity and access management (IAM) platforms gives you complete control over authentication logs and user credentials.

Authentik

Free / Open Source
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An open-source Identity Provider focused on flexibility and versatility.

Key Features

  • Single Sign-On (SSO)
  • Multi-factor authentication (MFA)
  • User synchronization
  • Custom flows and policies

Pros

  • + Beautiful dashboard and setup wizard
  • + Supports SAML, OIDC, and LDAP out of the box
  • + Extremely flexible policy engine

Cons

  • - Requires technical knowledge to configure complex SSO flows
  • - Heavy resource footprint

Zitadel

Free / Cloud Paid
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The Next-Generation IAM. Identity infrastructure for developers and enterprises.

Key Features

  • Multi-tenancy
  • Audit trails
  • Passwordless authentication
  • OIDC/OAuth compliance

Pros

  • + Designed with a focus on API-first multi-tenant SaaS
  • + Written in Go; fast and lightweight
  • + Modern administrative UI

Cons

  • - Documentation can be dense
  • - Setting up custom identity brokering requires coding

Cerbos

Free / Open Source
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Granular access control

Key Features

  • 100% data control
  • Self-hostable
  • No vendor lock-in
  • Community-driven

Pros

  • + Ownership of your data
  • + Flexible and customisable
  • + Cost-effective

Cons

  • - Requires server setup
  • - Smaller commercial support

FusionAuth

Free / Open Source
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User authentication and session management framework

Key Features

  • 100% data control
  • Self-hostable
  • No vendor lock-in
  • Community-driven

Pros

  • + Ownership of your data
  • + Flexible and customisable
  • + Cost-effective

Cons

  • - Requires server setup
  • - Smaller commercial support

Hanko

Free / Open Source
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Passkey-first authentication framework

Key Features

  • 100% data control
  • Self-hostable
  • No vendor lock-in
  • Community-driven

Pros

  • + Ownership of your data
  • + Flexible and customisable
  • + Cost-effective

Cons

  • - Requires server setup
  • - Smaller commercial support

Keycloak

Free / Open Source
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User authentication and session management framework

Key Features

  • 100% data control
  • Self-hostable
  • No vendor lock-in
  • Community-driven

Pros

  • + Ownership of your data
  • + Flexible and customisable
  • + Cost-effective

Cons

  • - Requires server setup
  • - Smaller commercial support

OPAL (Permit.io)

Free / Open Source
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Authorization administration framework (Open Policy)

Key Features

  • 100% data control
  • Self-hostable
  • No vendor lock-in
  • Community-driven

Pros

  • + Ownership of your data
  • + Flexible and customisable
  • + Cost-effective

Cons

  • - Requires server setup
  • - Smaller commercial support

Ory

Free / Open Source
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Identity platform

Key Features

  • 100% data control
  • Self-hostable
  • No vendor lock-in
  • Community-driven

Pros

  • + Ownership of your data
  • + Flexible and customisable
  • + Cost-effective

Cons

  • - Requires server setup
  • - Smaller commercial support

Oso

Free / Open Source
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Authorization building framework

Key Features

  • 100% data control
  • Self-hostable
  • No vendor lock-in
  • Community-driven

Pros

  • + Ownership of your data
  • + Flexible and customisable
  • + Cost-effective

Cons

  • - Requires server setup
  • - Smaller commercial support

Supertokens

Free / Open Source
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User authentication and session management framework

Key Features

  • 100% data control
  • Self-hostable
  • No vendor lock-in
  • Community-driven

Pros

  • + Ownership of your data
  • + Flexible and customisable
  • + Cost-effective

Cons

  • - Requires server setup
  • - Smaller commercial support

Warrant

Free / Open Source
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Authorization and access control as a service

Key Features

  • 100% data control
  • Self-hostable
  • No vendor lock-in
  • Community-driven

Pros

  • + Ownership of your data
  • + Flexible and customisable
  • + Cost-effective

Cons

  • - Requires server setup
  • - Smaller commercial support