Casdoor vs SuperTokens
A side-by-side comparison of two self-hosted identity & sso options — licensing, setup difficulty, resource needs, and what each one replaces.
| Feature | Casdoor | SuperTokens |
|---|---|---|
| Deploy effort | Under-an-hour setup | Under-an-hour setup |
| Health score | 94 · Excellent | 95 · Excellent |
| Category | Identity & SSO | Identity & SSO |
| License | Apache-2.0 | Apache-2.0 |
| Language | Go | Java |
| Setup difficulty | Medium | Medium |
| Min. RAM | 256 MB | 512 MB |
| Deployment | docker, kubernetes, binary | docker, binary |
| GitHub stars | ★ 14,465 | ★ 15,320 |
| First released | 2021 | 2020 |
| Replaces | Auth0, Okta | Auth0, Firebase Auth |
What are Casdoor and SuperTokens?
Casdoor
Casdoor is an open-source identity and access management platform with a strong focus on a friendly user interface. It supports OAuth2, OIDC, SAML, CAS, LDAP and many social login providers.
- Supports OAuth, SAML, CAS and LDAP
- Dozens of built-in social login providers
- Multi-tenant organization support
- Web-based admin and login UI
SuperTokens
SuperTokens is an open-source authentication solution that handles login, sessions, social login and more. It can be self-hosted and offers SDKs and prebuilt UI components for rapid integration.
- Email/password and passwordless login
- Social and enterprise SSO
- Secure session management
- Prebuilt frontend components
Casdoor vs SuperTokens: key differences
Casdoor is written in Go, while SuperTokens is built with Java. Casdoor is the lighter option, starting around 256 MB of RAM against 512 MB for SuperTokens.
Why pick each one
Choose Casdoor if…
- Polished out-of-the-box UI
- Broad protocol support
Watch out for
- Documentation can be uneven
Choose SuperTokens if…
- Easy framework integration
- Good free self-hosted tier
Watch out for
- Some advanced features are paid
Frequently asked questions
Is Casdoor or SuperTokens better?
Neither is universally better. SuperTokens has the larger community; both share a medium setup difficulty, so the decision comes down to features and licensing.
Are Casdoor and SuperTokens free and open-source?
Yes. Casdoor is licensed under Apache-2.0 and SuperTokens under Apache-2.0. Both can be self-hosted at no software cost.
Can I run Casdoor and SuperTokens with Docker?
Casdoor: yes. SuperTokens: yes.
Which is lighter on resources, Casdoor or SuperTokens?
Casdoor has the smaller minimum footprint at 256 MB of RAM, compared to about 512 MB for SuperTokens. Real-world usage depends on library size, user count, and enabled features.