Open Source Alternatives to Okta
A cloud-based identity and access management platform that secures employee, customer and AI agent identities, providing single sign-on, multi-factor authentication, lifecycle management and API access controls.
Whether you want to cut software costs or escape vendor lock-in, these open source alternatives to Okta give you an option you fully own. You can self-host them, so your data stays on infrastructure you control. This page lists 5 open source alternatives to Okta. The most popular are Keycloak, Authentik and Zitadel. Most use the Apache-2.0 or AGPL-3.0 license, and 5 offer an official Docker image.
Keycloak
An identity and access management server providing single sign-on, user federation, and fine-grained authorization for applications.
Authentik
A self-hosted identity provider for single sign-on that manages authentication and authorization via multiple industry standards.
Zitadel
An identity and access management platform providing single sign on, multi tenancy, and API first authentication.
Logto
An identity solution providing multi-tenancy, enterprise SSO, and RBAC for SaaS and agent-based AI applications.
Cerbos
An authorization layer that manages fine grained access control through externalized policies written in YAML files.
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