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Welcome | authentik versus Keycloak
Compare	Welcome \| authentik	Keycloak
Verdict	Depends	Depends
Best for	DevOps-capable teams	Multi-app SSO consolidation
Who it's not for	Small teams without a dedicated ops person	Solo devs who just need social login
Privacy	No known public vulnerabilities found in the sources reviewed.^²	No known public vulnerabilities found in the sources reviewed.^⁷
Support quality	Tiny community signals slow help when auth breaks	No support evidence reviewed
Public sentiment	Public user sentiment is sparse; the loudest signal questions why adoption is so low.^⁴	No user reviews surfaced in the sources reviewed; evidence is limited to the project's official pages.^⁶
Biggest gotcha	Tiny community (388 YouTube subscribers) means slow answers when login breaks^⁴	Guess: 'Minimum effort' marketing hides realm, client, and role configuration work^⁶

Pick Welcome | authentik when

DevOps-capable teams
Self-hosters and homelabs
Orgs keeping auth data in-house
B2B and B2C app owners

When Welcome | authentik is not a fit

Small teams without a dedicated ops person
Buyers wanting managed, hands-off auth
Anyone needing vendor-backed SLAs
Non-technical founders who need logins working today

Pick Keycloak when

Multi-app SSO consolidation
Teams with DevOps capacity
Cost-sensitive orgs avoiding per-login pricing
OIDC/SAML standardization projects

When Keycloak is not a fit

Solo devs who just need social login
Small teams with no ops staff to run servers
Anyone wanting zero-maintenance hosted auth
Prototypes and MVPs needing auth in a day

Sources

Welcome | authentik (homepage)goauthentik.io
official
Security pagegoauthentik.io
security
goauthentik/authentik on GitHubgithub.com
official
Why does Authentik seem to be used by so few people? (r/sysadmin)reddit.com
review
authentik API referenceapi.goauthentik.io
official
Keycloak homepagekeycloak.org
official
Keycloak security policykeycloak.org
security