# Authelia vs FusionAuth

**Leader by Vioscale score:** Authelia

| Attribute | Authelia | FusionAuth |
|---|---|---|
| **Vioscale score** | 64.4 (41% (low)) | 52.5 (72% (medium)) |
| activity.commits_last_30d | 100 | - |
| adoption.dependent_repos | 0 | - |
| adoption.github_stars | 28,711 | - |
| deployment.options | `{"on_prem":true,"self_hosted":true}` | `{"cloud":true,"hybrid":true,"on_prem":true,"air_gapped":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. | FusionAuth is an identity and access management solution providing comprehensive authentication capabilities including social login, passwordless authentication, multi-factor authentication, and single sign-on. It supports self-hosted, cloud, and hybrid deployment models with transparent, predictable pricing and full API-first integration. |
| 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 | 7 |
| 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":"Facebook"},{"name":"LDAP"},{"name":"Legacy database systems"},{"name":"Kafka"},{"name":"Custom APIs"},{"name":"Webhooks"}]` |
| language.primary | Go | - |
| license.spdx | Apache-2.0 | - |
| market.availability | - | `{"hqCountry":"US","primaryMarkets":["US","EU"],"availabilityScope":"global","availableCountries":[],"notAvailableCountries":[]}` |
| platform.support | `{"cli":true,"web":true,"linux":true}` | `{"cli":true,"web":true,"linux":true}` |
| pricing | `{"type":"open_source","summary":"Open source","freeTier":true,"sourceUrl":"https://www.authelia.com","retrievedAt":"2026-08-14T08:35:22.241Z"}` | `{"type":"subscription","plans":[{"free":true,"name":"Community","summary":"Free, self-hosted","features":["Core authentication standards and features","Community support via forums, Slack, and GitHub","Self-hosted deployment"],"description":"Free, unlimited self-hosted edition with core authentication features","contactSales":false},{"free":false,"name":"Starter","summary":"$162/mo when billed annually","features":["Premium authentication features","Advanced MFA methods","Application theming","Breached password detection","Machine-to-machine authentication","Basic hosting included"],"commitment":"annual","components":[{"kind":"fixed","amount":162,"period":"month","currency":"USD"}],"description":"Premium authentication features with advanced MFA, application customization, and basic hosting","contactSales":false},{"free":false,"name":"Essentials","summary":"Starting at $2,970/mo billed annually","features":["Advanced connectivity, MFA, and security features","Custom OAuth scopes","Email support with 24-48 hour response during business hours","Business hosting included"],"commitment":"annual","components":[{"kind":"fixed","amount":2970,"period":"month","currency":"USD"}],"description":"Advanced security and connectivity features for business applications with email support and business hosting","contactSales":false},{"free":false,"name":"Enterprise","summary":"Starting at $2,970/mo billed annually","features":["All Essentials features","Advanced threat detection","SSO tenant manager","24/7 phone and email support","Private Slack channel with contract","Solution architect guidance","High-availability hosting"],"commitment":"annual","components":[{"kind":"fixed","amount":2970,"period":"month","currency":"USD"}],"description":"Critical application support with advanced threat detection, 24/7 engineering support, and dedicated infrastructure","contactSales":true}],"summary":"Free self-hosted Community edition. Paid cloud plans from $162/mo for Starter.","currency":"USD","freeTier":true,"sourceUrl":"https://fusionauth.io/pricing","retrievedAt":"2026-08-14T08:36:23.179Z","startingPrice":{"amount":162,"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 | - |
| 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"}]` | - |
| reliability.sla_pct | - | 99.99 |
| reliability.status_page | - | yes |
| security.disclosure_policy | yes | yes |
| security.gdpr | - | yes |
| security.hipaa | - | 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"}` | - |

## Capabilities (Auth & Identity Software)

| Capability | Authelia | FusionAuth |
|---|:--:|:--:|
| **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 2026-09-01T17:10:55.337Z. "-" = undocumented, not absent.*