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authentik vs Authelia: catalog facts
authentik	Authelia
Free The software is free under its open-source licence. Hosting, hardware and external…	Free The open-source software is available without a license fee. Hosting, hardware and…
Linux, Self-hosted, Web	Linux, Web, Self-hosted
One server covers SAML, OAuth2/OIDC, LDAP and RADIUS, with a flow builder that lets you compose the login…	Puts authentication and 2FA in front of applications that have none Fine-grained rules per domain, path, user and group
The flow model is powerful but confusing at first, and some organisation-scale features sit in a paid enterprise…	Requires a supported reverse proxy configured correctly to be secure Configuration is a large YAML file with many interacting options
Self-hosted	Self-hosted
Open source	Open source
License: MIT	License: Apache-2.0
Not stated if an account is needed	Not stated if an account is needed
Not stated if it works offline	Not stated if it works offline
Official website Full listing and sources Checked September 22, 2026	Official website Full listing and sources Checked September 22, 2026

Catalog facts only. Anything “not stated” is unconfirmed. Check full listings for details.