Apache Syncope vs OpenUnison
A side-by-side comparison of two self-hosted identity & sso options — licensing, setup difficulty, resource needs, and what each one replaces.
| Feature | Apache Syncope | OpenUnison |
|---|---|---|
| Deploy effort | Under-an-hour setup | Read-the-docs project |
| Health score | 77 · Good | 67 · Good |
| Category | Identity & SSO | Identity & SSO |
| License | Apache-2.0 | Apache-2.0 |
| Language | Java | Less |
| Setup difficulty | Hard | Hard |
| Min. RAM | 2,048 MB | 1,024 MB |
| Deployment | docker, kubernetes, bare-metal | kubernetes, helm |
| GitHub stars | ★ 341 | ★ 136 |
| First released | 2012 | 2018 |
| Replaces | SailPoint, Okta | Okta |
What are Apache Syncope and OpenUnison?
Apache Syncope
Apache Syncope is an open-source system for managing digital identities in enterprise environments. It handles identity lifecycle, provisioning, governance and access management with workflow support.
- Identity lifecycle management
- Provisioning to many connected systems
- Workflow-driven approvals
- Reporting and auditing
OpenUnison
OpenUnison is an open-source identity manager and single sign-on portal that integrates Kubernetes and applications with enterprise identity providers. It is self-hosted in the cluster.
- Kubernetes SSO portal
- Identity provisioning
- LDAP and SAML integration
- Self-service workflows
Apache Syncope vs OpenUnison: key differences
Apache Syncope is written in Java, while OpenUnison is built with Less. OpenUnison is the lighter option, starting around 1,024 MB of RAM against 2,048 MB for Apache Syncope. Apache Syncope is the more established project (first released 2012), while OpenUnison arrived in 2018. Apache Syncope has the considerably larger community, at 341 GitHub stars versus 136. Apache Syncope lists first-class Docker deployment; OpenUnison does not.
Why pick each one
Choose Apache Syncope if…
- Strong identity governance features
- Standards based
Watch out for
- Complex enterprise-oriented setup
Choose OpenUnison if…
- Released under the Apache-2.0 license
- Kubernetes-ready with Helm charts available
- Written in Less
Frequently asked questions
Is Apache Syncope or OpenUnison better?
Neither is universally better. Apache Syncope has the larger community; both share a hard setup difficulty, so the decision comes down to features and licensing.
Are Apache Syncope and OpenUnison free and open-source?
Yes. Apache Syncope is licensed under Apache-2.0 and OpenUnison under Apache-2.0. Both can be self-hosted at no software cost.
Can I run Apache Syncope and OpenUnison with Docker?
Apache Syncope: yes. OpenUnison: check the project docs for container support.
Which is lighter on resources, Apache Syncope or OpenUnison?
OpenUnison has the smaller minimum footprint at 1,024 MB of RAM, compared to about 2,048 MB for Apache Syncope. Real-world usage depends on library size, user count, and enabled features.