Logto vs Rauthy
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
VS
Rauthy
Lightweight OpenID Connect provider written in Rust
| Feature | Logto | Rauthy |
|---|---|---|
| Deploy effort | Under-an-hour setup | Under-an-hour setup |
| Health score | 94 · Excellent | 84 · Excellent |
| Category | Identity & SSO | Identity & SSO |
| License | MPL-2.0 | Apache-2.0 |
| Language | TypeScript | Rust |
| Setup difficulty | Medium | Medium |
| Min. RAM | 512 MB | 128 MB |
| Deployment | docker, kubernetes, binary | docker, binary |
| GitHub stars | ★ 14,621 | ★ 1,339 |
| First released | 2022 | 2023 |
| Replaces | Auth0, Firebase Auth, Clerk | Keycloak, Auth0 |
What are Logto and Rauthy?
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
Rauthy
Rauthy is an open-source, security-focused OpenID Connect provider and single sign-on solution written in Rust. It is designed to be lightweight and fully self-hosted with minimal resource usage.
- Lightweight OIDC provider
- Passkey support
- Low memory footprint
- Single binary option
Logto vs Rauthy: key differences
Logto is written in TypeScript, while Rauthy is built with Rust. Licensing differs — MPL-2.0 for Logto versus Apache-2.0 for Rauthy. Rauthy is the lighter option, starting around 128 MB of RAM against 512 MB for Logto. Logto has the considerably larger community, at 14,621 GitHub stars versus 1,339.
Why pick each one
Choose Logto if…
- Great developer experience
- Modern UI and SDKs
Watch out for
- Younger project with evolving APIs
Choose Rauthy if…
- Released under the Apache-2.0 license
- First-class Docker support for quick deployment
- Active community (1.3k GitHub stars)
- Written in Rust
Frequently asked questions
Is Logto or Rauthy 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 Logto and Rauthy free and open-source?
Yes. Logto is licensed under MPL-2.0 and Rauthy under Apache-2.0. Both can be self-hosted at no software cost.
Can I run Logto and Rauthy with Docker?
Logto: yes. Rauthy: yes.
Which is lighter on resources, Logto or Rauthy?
Rauthy has the smaller minimum footprint at 128 MB of RAM, compared to about 512 MB for Logto. Real-world usage depends on library size, user count, and enabled features.