Authelia vs ZITADEL
A side-by-side comparison of two self-hosted apps from related categories — licensing, setup difficulty, resource needs, and what each one replaces.
Not the right match-up?
Authelia
Authentication and authorization server for reverse proxies
VS
ZITADEL
Cloud-native identity infrastructure with multi-tenancy built in
| Feature | Authelia | ZITADEL |
|---|---|---|
| Category | Reverse Proxy & Gateways | Identity & SSO |
| License | Apache-2.0 | Apache-2.0 |
| Language | Go | Go |
| Setup difficulty | Medium | Medium |
| Min. RAM | 128 MB | 512 MB |
| Deployment | docker, kubernetes, binary | docker, kubernetes, binary |
| GitHub stars | ★ 28,514 | ★ 14,671 |
| First released | 2017 | 2020 |
| Replaces | Okta, Cloudflare Access | Auth0, Okta, Firebase Auth |
Why pick each one
Choose Authelia if…
- Released under the Apache-2.0 license
- First-class Docker support for quick deployment
- Kubernetes-ready with Helm charts available
- Mature project with 28.5k GitHub stars
Frequently asked questions
Is Authelia or ZITADEL better?
Neither is universally better. Authelia has the larger community; both share a medium setup difficulty, so the decision comes down to features and licensing.
Are Authelia and ZITADEL free and open-source?
Yes. Authelia is licensed under Apache-2.0 and ZITADEL under Apache-2.0. Both can be self-hosted at no software cost.
Can I run Authelia and ZITADEL with Docker?
Authelia: yes. ZITADEL: yes.