# zitadel/zitadel

ZITADEL - Identity infrastructure, simplified for you.

Repository: https://github.com/zitadel/zitadel
Canonical: https://ross.abutalabs.com/products/zitadel
Homepage: https://zitadel.com
Language: Go
License: AGPL-3.0
License Family: copyleft
Topics: saml, authentication, authorization, login, oidc, sso, 2fa, fido2, mfa, oauth2, openid-connect, identity, passkeys, user, multitenancy, scim, fips-140-3
Last push: 2026-08-26T19:36:52+00:00

## Health v2 (maintenance only)
Score: 95/100 (v2, computed 2026-09-03T02:39:23.370411+00:00)
- activity 99, release rhythm 86, longevity 100
- inputs: {"age_days": 2361, "days_push": 7, "days_rel": 19, "gap_med": 0, "n_releases_24m": 248}
- flags: none
- formula: round(0.45*activity + 0.35*rhythm + 0.20*longevity); archived -> min(score, 10)

## Adoption (not part of the score)
Stars 14864, forks 1250 (observed 2026-08-28T04:11:07.820213+00:00)

## What it is
ZITADEL is an open-source identity and access management (IAM) platform providing authentication and authorization out of the box, including SSO, MFA, passkeys, OIDC, OAuth2, SAML, and SCIM. It is API-first with gRPC and REST APIs, SDKs, and a built-in multi-tenancy model, deployable self-hosted or via ZITADEL Cloud.

## Use cases
- add login and sso to my web app
- self-host an identity provider with oidc and saml
- implement multi-tenant b2b authentication
- add mfa and passkeys to my application
- manage users and organizations with scim provisioning
- build a custom login ui with an auth api
- replace auth0 or keycloak with an open-source iam

## When to choose
- you need a full-featured, self-hostable IAM with OIDC, SAML, MFA, and passkeys out of the box
- your product is multi-tenant or B2B and needs per-organization branding and policies
- you want an API-first identity platform with gRPC/REST APIs and SDKs
- you need an auditable, extensible auth system with custom flows (Actions)

## When to avoid
- you only need simple session auth for a single small app without federation
- you require a permissive license for managed offerings (AGPL-3.0 applies)
- you cannot operate a Go service with a PostgreSQL dependency
- you need a lightweight embedded auth library rather than a standalone platform

## Facets
- artifact type: service
- maturity: active
- function: auth, authorization, api-framework, middleware, self-hosted, security
- domain: security, apis, web-development, self-hosted, backend
- platform: go, self-hosted, cloud
- tags: identity-and-access-management, sso, oidc, oauth2, saml, mfa, passkeys, multitenancy, scim, iam, b2b, login, docker, kubernetes, linux, macos, web-server

## Member repositories
- zitadel/zitadel (main) score 95

## Provenance
- Observed fields: from GitHub, fetched 2026-08-28T04:11:07.820213+00:00.
- Health v2: computed from the inputs above; adoption is never an input.
- Inferred fields (summary, facets, guidance): AI-extracted, prompt v1, taxonomy v1, on 2026-08-29T17:07:07.250114+00:00, confidence not recorded.
  - readme: https://github.com/zitadel/zitadel (fetched 2026-08-28T04:11:07.820213+00:00, sha 6e13219d7da8)
  - homepage: https://zitadel.com (fetched 2026-08-29T08:05:12.367603+00:00, sha e6cf5a0645be)
  - site_page: https://zitadel.com/docs/apis/introduction (fetched 2026-08-29T08:05:12.386395+00:00, sha 32eb8031c1e9)
  - site_page: https://zitadel.com/docs/guides/integrate/login-ui (fetched 2026-08-29T08:05:12.380588+00:00, sha 58d17948823f)
  - site_page: https://zitadel.com/docs/guides/solution-scenarios/b2b (fetched 2026-08-29T08:05:12.382734+00:00, sha 1b1d29aca20d)
  - site_page: https://zitadel.com/docs/apis/actions/introduction (fetched 2026-08-29T08:05:12.384540+00:00, sha 5276c78e0431)
  - site_page: https://zitadel.com/docs (fetched 2026-08-29T08:05:12.388162+00:00, sha 39f413609886)
  - site_page: https://zitadel.com/docs/self-hosting/deploy/overview (fetched 2026-08-29T08:05:12.389812+00:00, sha 1a49a101865e)
  - site_page: https://zitadel.com/next (fetched 2026-08-29T08:05:12.376773+00:00, sha 98bd3fbeb8cd)
  - site_page: https://zitadel.com/pricing (fetched 2026-08-29T08:05:12.378705+00:00, sha bc31a56607f6)
- Data as of 2026-08-30T08:39:29.467469+00:00.