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authentik vs Pomerium: catalog facts
authentik	Pomerium
Free The software is free under its open-source licence. Hosting, hardware and external…	Freemium The open-source version is free to self-host, with paid commercial plans.
Linux, Self-hosted, Web	Self-hosted
One server covers SAML, OAuth2/OIDC, LDAP and RADIUS, with a flow builder that lets you compose the login…	Clientless access with no VPN client to install Works with any OIDC identity provider
The flow model is powerful but confusing at first, and some organisation-scale features sit in a paid enterprise…	Requires an existing identity provider Configuration assumes familiarity with reverse proxies and OIDC
Self-hosted	Self-hosted, Hosted service
Open source	Open source
License: MIT	License not stated
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 23, 2026

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