# Self-hosted alternatives to Google reCAPTCHA

> 3 self-hostable, open-source alternatives to Google reCAPTCHA, ranked by score.

- [capjs](https://selfhost.directory/project/capjs)
- [FCaptcha](https://selfhost.directory/project/fcaptcha)
- [PrivateCaptcha](https://selfhost.directory/project/privatecaptcha)

## Head-to-head

- [capjs vs FCaptcha](https://selfhost.directory/compare/capjs-vs-fcaptcha)
- [capjs vs PrivateCaptcha](https://selfhost.directory/compare/capjs-vs-privatecaptcha)
- [FCaptcha vs PrivateCaptcha](https://selfhost.directory/compare/fcaptcha-vs-privatecaptcha)

## Also in Security

Not listed as Google reCAPTCHA alternatives, but from the same category:

- [captcha](https://selfhost.directory/project/captcha): Prosopo Procaptcha is a self-hosted, open-source CAPTCHA replacing reCAPTCHA and hCaptcha with zero data collection and proof-of-work or slider puzzle challenges.
- [Anubis](https://selfhost.directory/project/anubis): Weighs the soul of incoming HTTP requests to stop AI crawlers
- [mCaptcha](https://selfhost.directory/project/mcaptcha): Self-hosted, open-source CAPTCHA server where visitors' browsers do SHA256 proof-of-work instead of image puzzles; the Rust backend runs with Postgres and Redis.
- [Databunker](https://selfhost.directory/project/databunker): Secure Vault for Customer PII/PHI/PCI/KYC Records
- [GlobaLeaks](https://selfhost.directory/project/globaleaks): GlobaLeaks is a free, open-source, self-hosted whistleblowing platform for secure anonymous reporting with Tor, HTTPS, 2FA, and regulatory compliance.
- [OTS - One Time Secrets](https://selfhost.directory/project/ots-one-time-secrets): One-Time-Secret sharing platform with a symmetric 256bit AES encryption in the browser

All 244 Security projects: https://selfhost.directory/security

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Source: https://selfhost.directory/alternative-to/google-recaptcha