Last checked October 15, 2026
Keycloak
Keycloak is an identity server: login pages, federation, and MFA. It is Apache-2.0. Operating it is a real job.
Open sourceApache-2.0Small teamsIndividuals
WebSelf-host
Free tier
The community edition can be self-hosted without a per-user fee. Hosted prices are not copied here. Unverified.
Hosted
No hosted price recorded.
Self-host
Hard. Java. Plan for upgrades and a database.
Drop-in scores
Sources checked
https://ditchly.co/software/keycloak