Replace-Xyour much needed alternatives
Keycloak
SECURITYOpen-source identity and access management.
FREEDOM SCORE5.0Open
✓Is it free?
+1.5✓Open source?
+1.5✓Self-hostable?
+1.0✓Data export?
+0.5✓Free pricing tier?
+0.5RELEVANCE SCORE5.0Active
✓Actively maintained?
+1.5✓Large community?
+1.5✓Has public API?
+1.0✓Commit < 3 months?
+0.5✓Stars > 20k?
+0.5About Keycloak
Heavy identity provider implementing OAuth2, SAML, and single sign-on access directories robustly.
WHAT IT DOES WELL
- +Highly robust implementation of SAML/OAuth standards
- +Massive enterprise integration features registry
HONEST PROBLEMS
- ✗Java stack consumes significant memory on servers
SELF-HOSTABILITY PROFILE
DifficultyHARD
License typeApache-2.0
💡 "The enterprise standard in secure access."
PROJECT METRICS
Repositorygithub.com/keycloak/keycloak
LicenseApache-2.0
GitHub Stars⭐ 23,100
Last CommitMay 30, 2026
Last VerifiedVerified May 2026