# 2FAS: Free Open Source Alternative to Authy, Google Authenticator, Microsoft Authenticator

Canonical: https://caniforkit.com/fork/2fas
Last updated: 2026-11-07

2FAS (Open Source, Open Source) replaces Authy, Google Authenticator, Microsoft Authenticator. Open-source authenticator and password manager that stores 2FA tokens and passwords locally on your device, with zero-knowledge encryption and no account required.

## Tool Specifications
- **Tool Name**: 2FAS
- **Type**: Open Source Project
- **License**: Open Source
- **Official Website**: https://2fas.com/
- **GitHub Repository**: https://github.com/twofas/2fas-android
- **GitHub Stars**: ★ 1.6k
- **Runs On**: Local
- **Maintenance Status**: nov 2026
- **Platforms**: desktop, cross-platform, one-click install
- **Data Storage**: All application data lives locally on your own machine.
- **Installation**: Clone https://github.com/twofas/2fas-android or deploy with Docker Compose
- **Setup Requirements**: Download the native package or installer for your operating system.
- **The Catch / Limitation**: Community-driven open source project without dedicated enterprise SLAs.

## Paid SaaS Applications Replaced (3)
Replacing these paid tools with 2FAS saves up to $18/mo ($216/yr) in software subscriptions:

| Replaced Software | Category | SaaS Price | Comparison Guide |
| --- | --- | --- | --- |
| [Authy](https://caniforkit.com/authy) | [security](https://caniforkit.com/category/security) | $6/mo | [Compare Authy vs 2FAS](https://caniforkit.com/vs/authy-vs-2fas) |
| [Google Authenticator](https://caniforkit.com/google-authenticator) | [security](https://caniforkit.com/category/security) | $6/mo | [Compare Google Authenticator vs 2FAS](https://caniforkit.com/vs/google-authenticator-vs-2fas) |
| [Microsoft Authenticator](https://caniforkit.com/microsoft-authenticator) | [security](https://caniforkit.com/category/security) | $6/mo | [Compare Microsoft Authenticator vs 2FAS](https://caniforkit.com/vs/microsoft-authenticator-vs-2fas) |

## Frequently Asked Questions

### Is 2FAS free and open source?
2FAS is an open source tool licensed under Open Source that runs on local. Open-source authenticator and password manager that stores 2FA tokens and passwords locally on your device, with zero-knowledge encryption and no account required.

### What is the trade-off or limitation of using 2FAS?
Community-driven open source project without dedicated enterprise SLAs.

## Related

- [Self-Hosted Open Source Directory](https://caniforkit.com/self-hosted)
- [All Paid SaaS Alternatives Index](https://caniforkit.com/alternatives)
- [Software Categories Directory](https://caniforkit.com/categories)
- [Homepage](https://caniforkit.com)