Hello Identity Coop vs Rauthy
A side-by-side comparison of two self-hosted identity & sso options — licensing, setup difficulty, resource needs, and what each one replaces.
Rauthy
Lightweight OpenID Connect provider written in Rust
| Feature | Hello Identity Coop | Rauthy |
|---|---|---|
| Deploy effort | Under-an-hour setup | Under-an-hour setup |
| Health score | 69 · Good | 84 · Excellent |
| Category | Identity & SSO | Identity & SSO |
| License | MIT | Apache-2.0 |
| Language | TypeScript | Rust |
| Setup difficulty | Medium | Medium |
| Min. RAM | 256 MB | 128 MB |
| Deployment | docker, binary | docker, binary |
| GitHub stars | ★ 7 | ★ 1,339 |
| First released | 2022 | 2023 |
| Replaces | Auth0, Firebase Auth | Keycloak, Auth0 |
What are Hello Identity Coop and Rauthy?
Hello Identity Coop
Hello is an open-source identity and login service that lets users authenticate with email, phone or social providers without passwords. The wallet and broker components can be self-hosted.
- Passwordless login flows
- Email, phone and social providers
- Standard OpenID Connect
- Developer SDKs and integrations
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
Hello Identity Coop vs Rauthy: key differences
Hello Identity Coop is written in TypeScript, while Rauthy is built with Rust. Licensing differs — MIT for Hello Identity Coop versus Apache-2.0 for Rauthy. Rauthy is the lighter option, starting around 128 MB of RAM against 256 MB for Hello Identity Coop. Rauthy has the considerably larger community, at 1,339 GitHub stars versus 7.
Why pick each one
Choose Hello Identity Coop if…
- Simple passwordless onboarding
- Open standards
Watch out for
- Younger project
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 Hello Identity Coop or Rauthy better?
Neither is universally better. Rauthy has the larger community; both share a medium setup difficulty, so the decision comes down to features and licensing.
Are Hello Identity Coop and Rauthy free and open-source?
Yes. Hello Identity Coop is licensed under MIT and Rauthy under Apache-2.0. Both can be self-hosted at no software cost.
Can I run Hello Identity Coop and Rauthy with Docker?
Hello Identity Coop: yes. Rauthy: yes.
Which is lighter on resources, Hello Identity Coop or Rauthy?
Rauthy has the smaller minimum footprint at 128 MB of RAM, compared to about 256 MB for Hello Identity Coop. Real-world usage depends on library size, user count, and enabled features.