ZITADEL vs ZITADEL Login UI
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?
ZITADEL
Cloud-native identity infrastructure with multi-tenancy built in
VS
ZITADEL Login UI
Customizable login UI for the ZITADEL identity platform
| Feature | ZITADEL | ZITADEL Login UI |
|---|---|---|
| Category | Identity & SSO | Identity & SSO |
| License | Apache-2.0 | Apache-2.0 |
| Language | Go | TypeScript |
| Setup difficulty | Medium | Medium |
| Min. RAM | 512 MB | 256 MB |
| Deployment | docker, kubernetes, binary | docker, source |
| GitHub stars | ★ 14,671 | ★ 113 |
| First released | 2020 | 2023 |
| Replaces | Auth0, Okta, Firebase Auth | Auth0 Universal Login |
Why pick each one
Choose ZITADEL Login UI if…
- Released under the Apache-2.0 license
- First-class Docker support for quick deployment
- Written in TypeScript
- Tiny footprint — runs in 256 MB RAM
Frequently asked questions
Is ZITADEL or ZITADEL Login UI better?
Neither is universally better. ZITADEL has the larger community; both share a medium setup difficulty, so the decision comes down to features and licensing.
Are ZITADEL and ZITADEL Login UI free and open-source?
Yes. ZITADEL is licensed under Apache-2.0 and ZITADEL Login UI under Apache-2.0. Both can be self-hosted at no software cost.
Can I run ZITADEL and ZITADEL Login UI with Docker?
ZITADEL: yes. ZITADEL Login UI: yes.