Security & Auth Identity Provider stable
Keycloak
Open-source IAM and SSO platform
24.0K stars
Since 2020
Open-source IAM and SSO platform
License
Apache-2.0
Min RAM
1 GB
Min CPUs
1 core
Scaling
single_node
Complexity
intermediate
Performance
medium
Self-hostable
✓
K8s native
✕
Offline
✕
Pricing
fully free
Docs quality
good
Vendor lock-in
none
Use cases
- ✓ Primary: single-sign-on
- ✓ Primary: identity-management
- ✓ Primary: user-authentication
Integrates with
Compare with alternatives
Conflicts with
authentik
Security & Auth
Replaces / alternatives to
Technical specs
Language
Java
API type
REST
Protocols
HTTP
Deployment
docker
Community
GitHub stars 24.0K
Contributors 0
Commit frequency weekly
Plugin ecosystem none
Backing Red Hat / CNCF
Funding corporate
Release
Latest version
— Last release —
Since 2020
Best fit
Team size
solosmallmediumenterprise
Industries
general