2FAuth vs Boundary
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
Boundary
Identity-based secure access to systems and services
| Feature | 2FAuth | Boundary |
|---|---|---|
| Category | Identity & SSO | Identity & SSO |
| License | AGPL-3.0 | BUSL-1.1 |
| Language | PHP | Go |
| Setup difficulty | Easy | Medium |
| Min. RAM | 256 MB | 512 MB |
| Deployment | docker, source | docker, binary |
| GitHub stars | ★ 4,090 | ★ 4,055 |
| First released | 2020 | 2020 |
| Replaces | Authy, Google Authenticator | Teleport, StrongDM |
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 Boundary if…
- Released under the BUSL-1.1 license
- First-class Docker support for quick deployment
- Active community (4.1k GitHub stars)
- Written in Go
Frequently asked questions
Is 2FAuth or Boundary better?
2FAuth is the stronger all-round pick: it has both the larger community and the simpler easy setup. Consider Boundary if its specific feature set fits your needs better.
Are 2FAuth and Boundary free and open-source?
Yes. 2FAuth is licensed under AGPL-3.0 and Boundary under BUSL-1.1. Both can be self-hosted at no software cost.
Can I run 2FAuth and Boundary with Docker?
2FAuth: yes. Boundary: yes.