authentik alternatives: 5 apps ranked by verified data
Common reasons people leave authentik: flow and stage concepts take time to learn, and no managed cloud; you operate it yourself. We ranked 5 alternatives by how directly each one replaces authentik, then by reviews, real visits and how recently each app's facts were checked against its own website. Keycloak currently ranks first.
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Show all 5 alternativesThe best authentik alternative for…
The highest-ranked app in this list for each need.
Best authentik alternative for most people
KeycloakMore widely deployed in enterprises, with a large body of documentation.
Best authentik alternative for a free option
AutheliaMuch lighter option when you mainly need SSO and 2FA in front of a reverse proxy.
Best authentik alternative for open source
Pocket IDFar simpler passkey-only OIDC provider for small teams and homelabs.
Best authentik alternative for self-hosting
ZitadelOpen-source with a managed cloud option if you want to stop self-hosting.
Best authentik alternative for Mac
KeycloakMore widely deployed in enterprises, with a large body of documentation.
Best authentik alternative for Windows
KeycloakMore widely deployed in enterprises, with a large body of documentation.
Best authentik alternative for Linux
KanidmRust-based identity server with Linux login and SSH key distribution built in.
Best authentik alternative for working in the browser
ZitadelOpen-source with a managed cloud option if you want to stop self-hosting.
authentik alternatives: common questions
What is the best alternative to authentik?
Keycloak ranks first right now. More widely deployed in enterprises, with a large body of documentation. Authelia and Pocket ID follow it in our ranking.
Is there a free alternative to authentik?
Yes. Keycloak (open source), Authelia (open source), Pocket ID (open source) and Zitadel (open source) have a free option. Check each app's verified facts for current plan limits.
Is there an open-source alternative to authentik?
Yes: Keycloak, Authelia, Pocket ID and Zitadel, plus 1 more in the list above. Keycloak, Authelia and Pocket ID can also be self-hosted.
Which authentik alternatives work on Linux?
Keycloak and Kanidm run on Linux.
Why do people switch from authentik?
The complaints we hear most: flow and stage concepts take time to learn; no managed cloud; you operate it yourself; some enterprise features need a paid licence.
How is this list ranked?
Every app is scored with the same published formula: how directly it replaces authentik, reviews (weighted by verification), visits from AppBreakup, how recently its facts were checked against its own website, and reader votes.