Apache Syncope vs Ipsilon
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 | Ipsilon |
|---|---|---|
| Deploy effort | Under-an-hour setup | Read-the-docs project |
| Category | Identity & SSO | Identity & SSO |
| License | Apache-2.0 | GPL-3.0 |
| Language | Java | Python |
| Setup difficulty | Hard | Hard |
| Min. RAM | 2,048 MB | 512 MB |
| Deployment | docker, kubernetes, bare-metal | bare-metal, source |
| GitHub stars | ★ 341 | ★ 80 |
| First released | 2012 | 2014 |
| Replaces | SailPoint, Okta | Okta, PingFederate |
What are Apache Syncope and Ipsilon?
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
Ipsilon
Ipsilon is an identity provider service that supports SAML and OpenID for federated single sign-on. It plugs into existing authentication backends like FreeIPA to centralize login for web applications.
- SAML identity provider
- OpenID support
- FreeIPA integration
- Pluggable backends
Apache Syncope vs Ipsilon: key differences
Apache Syncope is written in Java, while Ipsilon is built with Python. Licensing differs — Apache-2.0 for Apache Syncope versus GPL-3.0 for Ipsilon. Ipsilon is the lighter option, starting around 512 MB of RAM against 2,048 MB for Apache Syncope. Apache Syncope is the more established project (first released 2012), while Ipsilon arrived in 2014. Apache Syncope has the considerably larger community, at 341 GitHub stars versus 80. Apache Syncope lists first-class Docker deployment; Ipsilon does not.
Why pick each one
Choose Apache Syncope if…
- Strong identity governance features
- Standards based
Watch out for
- Complex enterprise-oriented setup
Choose Ipsilon if…
- Good FreeIPA companion
- Federation focused
Watch out for
- Small community
- Limited recent activity
Frequently asked questions
Is Apache Syncope or Ipsilon 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 Ipsilon free and open-source?
Yes. Apache Syncope is licensed under Apache-2.0 and Ipsilon under GPL-3.0. Both can be self-hosted at no software cost.
Can I run Apache Syncope and Ipsilon with Docker?
Apache Syncope: yes. Ipsilon: check the project docs for container support.
Which is lighter on resources, Apache Syncope or Ipsilon?
Ipsilon has the smaller minimum footprint at 512 MB of RAM, compared to about 2,048 MB for Apache Syncope. Real-world usage depends on library size, user count, and enabled features.