# Authelia vs Zitadel

| Attribute | Authelia | Zitadel |
|---|---|---|
| **Vioscale score** | 64.4 (41% (low)) | 65.3 (46% (low)) |
| activity.commits_last_30d | 100 | 42 |
| adoption.dependent_repos | 0 | 0 |
| adoption.github_stars | 28,711 | 14,862 |
| deployment.options | `{"on_prem":true,"self_hosted":true}` | `{"cloud":true,"hybrid":true,"self_hosted":true}` |
| description.long | A lightweight, open-source authentication system that enables multi-factor authentication and single sign-on for web applications. It integrates with reverse proxies to control access and comes with a web-based portal for user and access management. | A multi-tenant, API-first identity and access management platform offering single sign-on, multi-factor authentication, passkeys, and complete audit trails. Available as a managed cloud service or self-hosted deployment, designed for developers building secure SaaS and B2B applications. |
| features.capabilities | `{"mfa":true,"oidc":true,"rbac":true,"hosting":"self","saml_sso":false,"hosted_ui":"hosted","open_source":true,"passwordless":true,"social_login":false,"passkeys_webauthn":true}` | `{"mfa":true,"oidc":true,"rbac":true,"hosting":"both","saml_sso":true,"hosted_ui":"both","open_source":true,"passwordless":true,"social_login":true,"b2b_multi_tenant":true,"passkeys_webauthn":true,"scim_provisioning":true}` |
| integrations.count | 135 | 12 |
| integrations.list | `[{"name":"1Password"},{"name":"Active Directory"},{"name":"Ansible AWX"},{"name":"Apache Guacamole"},{"name":"Argo CD"},{"name":"Bitwarden"},{"name":"BookStack"},{"name":"Budibase"},{"name":"Caddy"},{"name":"Chronograf"},{"name":"Coder"},{"name":"Docker"},{"name":"Drupal"},{"name":"EspoCRM"},{"name":"Express.js"},{"name":"FreeIPA"},{"name":"FreshRSS"},{"name":"Gitea"},{"name":"GitLab"},{"name":"GLAuth"},{"name":"Grafana"},{"name":"HAProxy"},{"name":"Harbor"},{"name":"HashiCorp Vault"},{"name":"Headscale"},{"name":"HedgeDoc"},{"name":"Homarr"},{"name":"Home Assistant"},{"name":"Immich"},{"name":"Jellyfin"},{"name":"Jenkins"},{"name":"Jira"},{"name":"Kanboard"},{"name":"Kasm Workspaces"},{"name":"Kubernetes"},{"name":"LDAP"},{"name":"Leantime"},{"name":"LibreChat"},{"name":"Linkding"},{"name":"Linkwarden"},{"name":"LLDAP"},{"name":"Mailcow"},{"name":"Mastodon"},{"name":"Matomo"},{"name":"Mattermost"},{"name":"Mealie"},{"name":"MeshCentral"},{"name":"Miniflux"},{"name":"Nextcloud"},{"name":"NGINX"}]` | `[{"name":"Google"},{"name":"Microsoft"},{"name":"GitHub"},{"name":"LDAP"},{"name":"SAML 2.0"},{"name":"SCIM 2.0"},{"name":"OpenID Connect"},{"name":"gRPC"},{"name":"connectRPC"},{"name":"REST API"},{"name":"Webhooks"},{"name":"Actions"}]` |
| language.primary | Go | Go |
| license.spdx | Apache-2.0 | AGPL-3.0 |
| market.availability | - | `{"hqCountry":"CH","primaryMarkets":["US","EU"],"availabilityScope":"regional","availableCountries":["US","AU","CH"],"notAvailableCountries":[]}` |
| platform.support | `{"cli":true,"web":true,"linux":true}` | `{"web":true}` |
| pricing | `{"type":"open_source","summary":"Open source","freeTier":true,"sourceUrl":"https://www.authelia.com","retrievedAt":"2026-08-14T08:35:22.241Z"}` | `{"type":"hybrid","plans":[{"free":true,"name":"Free","summary":"Free tier for development and testing","features":["100 daily active users","3 external identity providers","5,000 management API requests","Community support","1 management instance"],"contactSales":false,"includedLimits":{"instances":"1","daily_active_users":"100","management_api_requests":"5000","external_identity_providers":"3"}},{"free":false,"name":"Pro","summary":"$100/month including 25,000 DAU and 500,000 API requests; overage pricing available","features":["25,000 daily active users","500,000 management API requests","3 external identity providers","Multifactor authentication","Passkeys/WebAuthn","Customizable hosted login","Professional support","24/7 support hours","Audit trail with 2-week history","Role-based access control"],"commitment":"monthly","components":[{"kind":"fixed","amount":100,"period":"month","currency":"USD"}],"contactSales":false,"includedLimits":{"daily_active_users":"25000","management_api_requests":"500000","external_identity_providers":"3"}},{"free":false,"name":"Enterprise","summary":"Custom pricing and configuration","features":["Custom scaling","Custom compliance","Custom security questionnaires","Custom contract and MSA","Up to 99.99% availability SLA","Support with SLO as low as 30 minutes"],"contactSales":true}],"addOns":[{"name":"Custom Domain","components":[{"kind":"one_time","amount":50,"currency":"USD"}]},{"name":"Extended Support & SLA","components":[{"kind":"one_time","amount":999,"currency":"USD"}]}],"summary":"Free tier available. Pro plan from $100/month with 25,000 DAU included. Usage-based overage pricing for additional capacity.","currency":"USD","freeTier":true,"sourceUrl":"https://zitadel.com/pricing/detail","retrievedAt":"2026-08-14T09:22:35.614Z","startingPrice":{"amount":100,"period":"month","currency":"USD"},"billingPeriods":["month","year"]}` |
| pricing.free_tier | yes | yes |
| pricing.model | open_source | freemium |
| pricing.price_level | free | high |
| pricing.transparent | yes | yes |
| release.cadence_days | 16 | 5 |
| release.history | `[{"url":"https://github.com/authelia/authelia/releases/tag/v4.39.20","date":"2026-05-26T10:26:19Z","type":"stable","version":"v4.39.20"},{"url":"https://github.com/authelia/authelia/releases/tag/v4.39.19","date":"2026-04-12T07:25:12Z","type":"stable","version":"v4.39.19"},{"url":"https://github.com/authelia/authelia/releases/tag/v4.39.18","date":"2026-04-10T01:33:54Z","type":"stable","version":"v4.39.18"},{"url":"https://github.com/authelia/authelia/releases/tag/v4.39.17","date":"2026-04-09T12:01:47Z","type":"stable","version":"v4.39.17"},{"url":"https://github.com/authelia/authelia/releases/tag/v4.39.16","date":"2026-03-14T08:28:15Z","type":"stable","version":"v4.39.16"},{"url":"https://github.com/authelia/authelia/releases/tag/v4.39.15","date":"2025-11-29T12:13:04Z","type":"stable","version":"v4.39.15"},{"url":"https://github.com/authelia/authelia/releases/tag/v4.39.14","date":"2025-11-09T07:18:40Z","type":"stable","version":"v4.39.14"},{"url":"https://github.com/authelia/authelia/releases/tag/v4.39.13","date":"2025-10-12T05:45:48Z","type":"stable","version":"v4.39.13"},{"url":"https://github.com/authelia/authelia/releases/tag/v4.39.12","date":"2025-10-08T08:03:01Z","type":"stable","version":"v4.39.12"},{"url":"https://github.com/authelia/authelia/releases/tag/v4.39.11","date":"2025-10-01T11:42:23Z","type":"stable","version":"v4.39.11"},{"url":"https://github.com/authelia/authelia/releases/tag/v4.39.10","date":"2025-09-15T09:11:13Z","type":"stable","version":"v4.39.10"},{"url":"https://github.com/authelia/authelia/releases/tag/v4.39.9","date":"2025-09-09T22:48:24Z","type":"stable","version":"v4.39.9"},{"url":"https://github.com/authelia/authelia/releases/tag/v4.39.8","date":"2025-09-02T00:44:45Z","type":"stable","version":"v4.39.8"},{"url":"https://github.com/authelia/authelia/releases/tag/v4.39.7","date":"2025-08-31T06:43:13Z","type":"stable","version":"v4.39.7"},{"url":"https://github.com/authelia/authelia/releases/tag/v4.39.6","date":"2025-08-09T08:11:44Z","type":"stable","version":"v4.39.6"},{"url":"https://github.com/authelia/authelia/releases/tag/v4.39.5","date":"2025-07-13T06:12:47Z","type":"stable","version":"v4.39.5"},{"url":"https://github.com/authelia/authelia/releases/tag/v4.39.4","date":"2025-05-25T02:27:28Z","type":"stable","version":"v4.39.4"},{"url":"https://github.com/authelia/authelia/releases/tag/v4.39.3","date":"2025-05-11T11:12:15Z","type":"stable","version":"v4.39.3"},{"url":"https://github.com/authelia/authelia/releases/tag/v4.39.2","date":"2025-05-10T05:23:02Z","type":"stable","version":"v4.39.2"},{"url":"https://github.com/authelia/authelia/releases/tag/v4.39.1","date":"2025-03-18T03:57:41Z","type":"stable","version":"v4.39.1"}]` | `[{"url":"https://github.com/zitadel/zitadel/releases/tag/v4.17.1","date":"2026-08-14T06:41:55Z","type":"stable","version":"v4.17.1"},{"url":"https://github.com/zitadel/zitadel/releases/tag/v3.4.15","date":"2026-08-14T07:59:53Z","type":"stable","version":"v3.4.15"},{"url":"https://github.com/zitadel/zitadel/releases/tag/v4.17.0","date":"2026-08-12T08:37:50Z","type":"stable","version":"v4.17.0"},{"url":"https://github.com/zitadel/zitadel/releases/tag/v4.16.3","date":"2026-08-07T17:10:12Z","type":"stable","version":"v4.16.3"},{"url":"https://github.com/zitadel/zitadel/releases/tag/v4.16.2","date":"2026-07-29T05:55:47Z","type":"stable","version":"v4.16.2"},{"url":"https://github.com/zitadel/zitadel/releases/tag/v3.4.14","date":"2026-07-29T07:30:54Z","type":"stable","version":"v3.4.14"},{"url":"https://github.com/zitadel/zitadel/releases/tag/v4.16.1","date":"2026-07-17T08:44:37Z","type":"stable","version":"v4.16.1"},{"url":"https://github.com/zitadel/zitadel/releases/tag/v3.4.13","date":"2026-07-17T09:07:58Z","type":"stable","version":"v3.4.13"},{"url":"https://github.com/zitadel/zitadel/releases/tag/v4.16.0","date":"2026-07-10T05:56:50Z","type":"stable","version":"v4.16.0"},{"url":"https://github.com/zitadel/zitadel/releases/tag/v4.15.3","date":"2026-06-22T11:46:24Z","type":"stable","version":"v4.15.3"},{"url":"https://github.com/zitadel/zitadel/releases/tag/v4.15.2","date":"2026-06-17T04:21:59Z","type":"stable","version":"v4.15.2"},{"url":"https://github.com/zitadel/zitadel/releases/tag/v3.4.12","date":"2026-06-17T07:09:32Z","type":"stable","version":"v3.4.12"},{"url":"https://github.com/zitadel/zitadel/releases/tag/v3.4.11","date":"2026-06-10T04:46:49Z","type":"stable","version":"v3.4.11"},{"url":"https://github.com/zitadel/zitadel/releases/tag/v4.15.1","date":"2026-06-08T18:30:50Z","type":"stable","version":"v4.15.1"},{"url":"https://github.com/zitadel/zitadel/releases/tag/v4.15.0","date":"2026-05-04T05:21:39Z","type":"stable","version":"v4.15.0"},{"url":"https://github.com/zitadel/zitadel/releases/tag/v3.4.10","date":"2026-05-04T07:16:10Z","type":"stable","version":"v3.4.10"},{"url":"https://github.com/zitadel/zitadel/releases/tag/v4.14.0","date":"2026-04-24T05:41:55Z","type":"stable","version":"v4.14.0"},{"url":"https://github.com/zitadel/zitadel/releases/tag/v4.13.1","date":"2026-04-01T07:41:31Z","type":"stable","version":"v4.13.1"},{"url":"https://github.com/zitadel/zitadel/releases/tag/v4.13.0","date":"2026-03-23T07:23:30Z","type":"stable","version":"v4.13.0"},{"url":"https://github.com/zitadel/zitadel/releases/tag/v5.0.0-base","date":"2026-03-23T06:56:07Z","type":"prerelease","version":"v5.0.0-base"}]` |
| reliability.sla_pct | - | 99.99 |
| reliability.status_page | - | yes |
| security.disclosure_policy | yes | yes |
| security.gdpr | - | yes |
| security.scorecard | 9.8 | - |
| security.vulnerabilities | `{"count":7,"source":"https://advisories.ecosyste.ms/api/v1/advisories?ecosystem=go&package_name=github.com%2Fauthelia%2Fauthelia%2Fv4&per_page=100","last_12m":3,"max_severity":"CRITICAL"}` | `{"count":0,"source":"https://advisories.ecosyste.ms/api/v1/advisories?ecosystem=helm&package_name=zitadel%2Fzitadel&per_page=100","last_12m":0,"max_severity":null}` |

## Capabilities (Auth & Identity Software)

| Capability | Authelia | Zitadel |
|---|:--:|:--:|
| **Deployment** |  |  |
| Hosting | Self-hosted only | Cloud + self-hosted |
| **Methods** |  |  |
| Social login | ✗ | ✓ |
| Passwordless | ✓ | ✓ |
| Passkeys / WebAuthn | ✓ | ✓ |
| Multi-factor auth | ✓ | ✓ |
| **Enterprise** |  |  |
| SAML SSO | ✗ | ✓ |
| SCIM provisioning | - | ✓ |
| B2B / multi-tenancy | - | ✓ |
| **Standards** |  |  |
| OpenID Connect provider | ✓ | ✓ |
| **Delivery** |  |  |
| Hosted UI | Hosted | Both |
| **Access** |  |  |
| RBAC | ✓ | ✓ |
| **Licensing** |  |  |
| Self-hostable OSS core | ✓ | ✓ |

*Source: Vioscale. Generated 2026-09-01T15:55:16.513Z. "-" = undocumented, not absent.*