Apereo CAS vs GLAuth
A side-by-side comparison of two self-hosted identity & sso options — licensing, setup difficulty, resource needs, and what each one replaces.
Not the right match-up?
Apereo CAS
Enterprise single sign-on server for web applications
VS
GLAuth
Lightweight LDAP server for developers and small setups
| Feature | Apereo CAS | GLAuth |
|---|---|---|
| Category | Identity & SSO | Identity & SSO |
| License | Apache-2.0 | MIT |
| Language | Java | Go |
| Setup difficulty | Hard | Easy |
| Min. RAM | 1,024 MB | 64 MB |
| Deployment | docker, kubernetes, bare-metal | docker, binary |
| GitHub stars | ★ 11,354 | ★ 2,834 |
| First released | 2004 | 2017 |
| Replaces | Okta, Ping Identity | Microsoft Active Directory, OpenLDAP |
Why pick each one
Choose Apereo CAS if…
- Mature SSO with broad protocol support
- Widely adopted in academia
Frequently asked questions
Is Apereo CAS or GLAuth better?
Neither is universally better. Apereo CAS has the larger community, while GLAuth is simpler to set up (easy difficulty). Choose based on the comparison table above and your own setup.
Are Apereo CAS and GLAuth free and open-source?
Yes. Apereo CAS is licensed under Apache-2.0 and GLAuth under MIT. Both can be self-hosted at no software cost.
Can I run Apereo CAS and GLAuth with Docker?
Apereo CAS: yes. GLAuth: yes.