2FAuth vs OpenFGA
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?
2FAuth
Self-hosted web app to manage two-factor authentication codes
VS
OpenFGA
High-performance fine-grained authorization engine
| Feature | 2FAuth | OpenFGA |
|---|---|---|
| Category | Identity & SSO | Identity & SSO |
| License | AGPL-3.0 | Apache-2.0 |
| Language | PHP | Go |
| Setup difficulty | Easy | Medium |
| Min. RAM | 256 MB | 256 MB |
| Deployment | docker, source | docker, kubernetes, binary |
| GitHub stars | ★ 4,090 | ★ 5,564 |
| First released | 2020 | 2022 |
| Replaces | Authy, Google Authenticator | Auth0 FGA |
Why pick each one
Choose 2FAuth if…
- Released under the AGPL-3.0 license
- Easy to set up — beginner-friendly
- First-class Docker support for quick deployment
- Active community (4.1k GitHub stars)
Choose OpenFGA if…
- Released under the Apache-2.0 license
- First-class Docker support for quick deployment
- Kubernetes-ready with Helm charts available
- Mature project with 5.6k GitHub stars
Frequently asked questions
Is 2FAuth or OpenFGA better?
Neither is universally better. OpenFGA has the larger community, while 2FAuth is simpler to set up (easy difficulty). Choose based on the comparison table above and your own setup.
Are 2FAuth and OpenFGA free and open-source?
Yes. 2FAuth is licensed under AGPL-3.0 and OpenFGA under Apache-2.0. Both can be self-hosted at no software cost.
Can I run 2FAuth and OpenFGA with Docker?
2FAuth: yes. OpenFGA: yes.