# mCaptcha: Free Open Source Alternative to Cloudflare Turnstile, hCaptcha, reCAPTCHA

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

mCaptcha (Open Source, Open Source) replaces Cloudflare Turnstile, hCaptcha, reCAPTCHA. Privacy-focused proof-of-work CAPTCHA system that silently protects websites without tracking users or requiring image solving. Drop-in replacement for reCAPTCHA.

## Tool Specifications
- **Tool Name**: mCaptcha
- **Type**: Open Source Project
- **License**: Open Source
- **Official Website**: https://mcaptcha.org
- **GitHub Repository**: https://github.com/mcaptcha/mcaptcha
- **GitHub Stars**: ★ 2.5k
- **Runs On**: Self-host
- **Maintenance Status**: nov 2026
- **Platforms**: web, self-hosted, docker to self-host
- **Data Storage**: All application data and configuration live on your own server or local database.
- **Installation**: Clone https://github.com/mcaptcha/mcaptcha or deploy with Docker Compose
- **Setup Requirements**: Deploy via Docker or binary release from GitHub and configure environment variables.
- **The Catch / Limitation**: Requires self-hosting setup, updates, and server maintenance compared to managed Cloudflare Turnstile.

## Paid SaaS Applications Replaced (3)
Replacing these paid tools with mCaptcha saves up to $45/mo ($540/yr) in software subscriptions:

| Replaced Software | Category | SaaS Price | Comparison Guide |
| --- | --- | --- | --- |
| [Cloudflare Turnstile](https://caniforkit.com/cloudflare-turnstile) | [automation](https://caniforkit.com/category/automation) | $15/mo | [Compare Cloudflare Turnstile vs mCaptcha](https://caniforkit.com/vs/cloudflare-turnstile-vs-mcaptcha) |
| [hCaptcha](https://caniforkit.com/hcaptcha) | [automation](https://caniforkit.com/category/automation) | $15/mo | [Compare hCaptcha vs mCaptcha](https://caniforkit.com/vs/hcaptcha-vs-mcaptcha) |
| [reCAPTCHA](https://caniforkit.com/recaptcha) | [automation](https://caniforkit.com/category/automation) | $15/mo | [Compare reCAPTCHA vs mCaptcha](https://caniforkit.com/vs/recaptcha-vs-mcaptcha) |

## Frequently Asked Questions

### Is mCaptcha free and open source?
mCaptcha is an open source tool licensed under Open Source that runs on self-host. Privacy-focused proof-of-work CAPTCHA system that silently protects websites without tracking users or requiring image solving. Drop-in replacement for reCAPTCHA.

### What is the trade-off or limitation of using mCaptcha?
Requires self-hosting setup, updates, and server maintenance compared to managed Cloudflare Turnstile.

## 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)