Casdoor vs Logto
A side-by-side comparison of two self-hosted identity & sso options — licensing, setup difficulty, resource needs, and what each one replaces.
Logto
Developer-friendly authentication and authorization platform
| Feature | Casdoor | Logto |
|---|---|---|
| Deploy effort | Under-an-hour setup | Under-an-hour setup |
| Health score | 94 · Excellent | 94 · Excellent |
| Category | Identity & SSO | Identity & SSO |
| License | Apache-2.0 | MPL-2.0 |
| Language | Go | TypeScript |
| Setup difficulty | Medium | Medium |
| Min. RAM | 256 MB | 512 MB |
| Deployment | docker, kubernetes, binary | docker, kubernetes, binary |
| GitHub stars | ★ 14,465 | ★ 14,621 |
| First released | 2021 | 2022 |
| Replaces | Auth0, Okta | Auth0, Firebase Auth, Clerk |
What are Casdoor and Logto?
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
Logto
Logto is an open-source identity solution built for developers, offering passwordless sign-in, social login and enterprise SSO. It provides prebuilt sign-in experiences and SDKs for many frameworks.
- Prebuilt customizable sign-in experiences
- Passwordless and social authentication
- Multi-framework SDKs
- Role-based access control
Casdoor vs Logto: key differences
Casdoor is written in Go, while Logto is built with TypeScript. Licensing differs — Apache-2.0 for Casdoor versus MPL-2.0 for Logto. Casdoor is the lighter option, starting around 256 MB of RAM against 512 MB for Logto.
Why pick each one
Choose Casdoor if…
- Polished out-of-the-box UI
- Broad protocol support
Watch out for
- Documentation can be uneven
Choose Logto if…
- Great developer experience
- Modern UI and SDKs
Watch out for
- Younger project with evolving APIs
Frequently asked questions
Is Casdoor or Logto better?
Neither is universally better. Logto has the larger community; both share a medium setup difficulty, so the decision comes down to features and licensing.
Are Casdoor and Logto free and open-source?
Yes. Casdoor is licensed under Apache-2.0 and Logto under MPL-2.0. Both can be self-hosted at no software cost.
Can I run Casdoor and Logto with Docker?
Casdoor: yes. Logto: yes.
Which is lighter on resources, Casdoor or Logto?
Casdoor has the smaller minimum footprint at 256 MB of RAM, compared to about 512 MB for Logto. Real-world usage depends on library size, user count, and enabled features.