FusionAuth vs Ory Hydra
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?
FusionAuth
Complete authentication and authorization platform
VS
Ory Hydra
Certified OAuth 2.0 and OpenID Connect server
| Feature | FusionAuth | Ory Hydra |
|---|---|---|
| Category | Identity & SSO | Identity & SSO |
| License | Apache-2.0 | Apache-2.0 |
| Language | Dockerfile | Go |
| Setup difficulty | Medium | Hard |
| Min. RAM | 1,024 MB | 256 MB |
| Deployment | docker, kubernetes, bare-metal | docker, kubernetes, binary |
| GitHub stars | ★ 241 | ★ 17,462 |
| First released | 2018 | 2015 |
| Replaces | Auth0, Okta | Okta, Auth0 |
Why pick each one
Choose FusionAuth if…
- Released under the Apache-2.0 license
- First-class Docker support for quick deployment
- Kubernetes-ready with Helm charts available
- Written in Dockerfile
Frequently asked questions
Is FusionAuth or Ory Hydra better?
Neither is universally better. Ory Hydra has the larger community, while FusionAuth is simpler to set up (medium difficulty). Choose based on the comparison table above and your own setup.
Are FusionAuth and Ory Hydra free and open-source?
Yes. FusionAuth is licensed under Apache-2.0 and Ory Hydra under Apache-2.0. Both can be self-hosted at no software cost.
Can I run FusionAuth and Ory Hydra with Docker?
FusionAuth: yes. Ory Hydra: yes.