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Hub vs Keycloak: catalog facts
Hub	Keycloak
Free Free to download for unlimited users under a JetBrains freeware licence.	Free Free and open source under the Apache 2.0 licence.
Windows, Self-hosted	Self-hosted
Single sign-on across connected JetBrains services Supports SAML 2.0, OAuth 2.0, LDAP, Google and GitHub logins	Single sign-on and single sign-out across applications Supports OpenID Connect and SAML 2.0 identity brokering
Mainly useful alongside self-hosted YouTrack or TeamCity Not open source	Setting it up and securing it takes real administrative effort More than most single-user homelabs need
Self-hosted	Self-hosted
Closed source	Open source
License: Freeware	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 October 2, 2026	Official website Full listing and sources Checked September 23, 2026

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