Casdoor vs Ory Kratos
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?
Casdoor
UI-first identity and access management with SSO support
VS
Ory Kratos
Headless identity and user management API server
| Feature | Casdoor | Ory Kratos |
|---|---|---|
| Category | Identity & SSO | Identity & SSO |
| License | Apache-2.0 | Apache-2.0 |
| Language | Go | Go |
| Setup difficulty | Medium | Hard |
| Min. RAM | 256 MB | 256 MB |
| Deployment | docker, kubernetes, binary | docker, kubernetes, binary |
| GitHub stars | ★ 14,139 | ★ 13,815 |
| First released | 2021 | 2020 |
| Replaces | Auth0, Okta | Auth0, Firebase Auth |
Why pick each one
Choose Ory Kratos if…
- Extremely flexible architecture
- Excellent for custom frontends
Frequently asked questions
Is Casdoor or Ory Kratos better?
Casdoor is the stronger all-round pick: it has both the larger community and the simpler medium setup. Consider Ory Kratos if its specific feature set fits your needs better.
Are Casdoor and Ory Kratos free and open-source?
Yes. Casdoor is licensed under Apache-2.0 and Ory Kratos under Apache-2.0. Both can be self-hosted at no software cost.
Can I run Casdoor and Ory Kratos with Docker?
Casdoor: yes. Ory Kratos: yes.