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Keycloak vs OneLogin: catalog facts
Keycloak	OneLogin
Free Free and open source under the Apache 2.0 licence.	Paid Paid subscription with a free trial.
Self-hosted	Web
Single sign-on and single sign-out across applications Supports OpenID Connect and SAML 2.0 identity brokering	Single sign-on and MFA in one service Large catalog of app integrations and provisioning
Setting it up and securing it takes real administrative effort More than most single-user homelabs need	Aimed at organisations rather than individuals Cloud only, no self-hosted option
Self-hosted	Hosted service
Open source	Closed source
License: Apache-2.0	License not stated
Not stated if an account is needed	Account needed
Not stated if it works offline	Needs internet
Official website Full listing and sources Checked September 23, 2026	Official website Full listing and sources Checked October 2, 2026

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