ZITADEL

Open-source alternative · mapped from 1 paid tool. Fit is not feature parity.

Facts

License

GNU Affero General Public License v3.0 Permissions of this strongest copyleft license are conditioned on making available complete source code of licensed works and modifications, which include larger works using a licensed work, under the same license. Copyright and license notices must be preserved. Contributors provide an express grant of patent rights. When a modified version is used to provide a service over a network, the complete source code of the modified version must be made available. May Commercial useModificationDistributionPatent usePrivate use Must License and copyright noticeState changesDisclose sourceNetwork use is distributionSame license No LiabilityWarranty Summary from GitHub's choosealicense.com

Paid-feature tier A

Self-host

Paid-feature limitsNone established

Tier A: Current core uses AGPL v3, replacing Apache licensing for v3 onward; commercial license/support and managed cloud available. Vendor describes same core across deployments; cloud usage limits are not self-hosted feature locks. Package exceptions may apply. License source. Repository: zitadel/zitadel. Self-host: server; hosted offer from the project: yes.

Replaces

Auth0Entry price USD 35 / account / month

Fit:

Customer and B2B identity infrastructure with managed or self-hosted deployment. Adapt application issuer/client settings and migrate users, organizations and policies; not an SDK-compatible swap.

Sources: zitadel.com · checked 2026-10-21
Full comparison: Auth0 vs ZITADEL

Selected by OSSHunt

ZITADEL is listed as an open-source alternative to Auth0, with partial fit or better. Maintainers can show this in a README; the badge links back to this page.

Markdown

[![OSSHunt: replaces Auth0](https://osshunt.com/badge/zitadel.svg)](https://osshunt.com/alternatives/zitadel/)

HTML

<a href="https://osshunt.com/alternatives/zitadel/"><img src="https://osshunt.com/badge/zitadel.svg" alt="OSSHunt: replaces Auth0"></a>

reStructuredText

.. image:: https://osshunt.com/badge/zitadel.svg
   :target: https://osshunt.com/alternatives/zitadel/
   :alt: OSSHunt: replaces Auth0

Shields users: https://img.shields.io/endpoint?url=https%3A%2F%2Fosshunt.com%2Fbadge%2Fzitadel.json. Styles: add ?style=flat-square, plastic or for-the-badge. What the badge means and how to remove it.