# Self-hosted alternatives to YesCaptcha

> 1 self-hostable, open-source alternative to YesCaptcha, ranked by score.

- [ohmycaptcha](https://selfhost.directory/project/ohmycaptcha)

## Also in Security

Not listed as YesCaptcha 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.
- [aisecuritygateway](https://selfhost.directory/project/aisecuritygateway): Self-hosted AI gateway that redacts PII, blocks prompt injection, and routes to 8 LLM providers via OpenAI-compatible API.
- [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.
- [FCaptcha](https://selfhost.directory/project/fcaptcha): Self-hosted, open-source CAPTCHA detecting AI agents and bots with behavioral analysis and proof-of-work. Drop-in replacement for Turnstile, reCAPTCHA, hCaptcha.
- [Wildbox](https://selfhost.directory/project/wildbox): Wildbox is a self-hosted, open-source security operations platform with threat intelligence, AWS cloud security, vulnerability management, SOAR, and LLM analysis.
- [PrivateCaptcha](https://selfhost.directory/project/privatecaptcha): Self-hosted, privacy-first CAPTCHA service using Proof-of-Work to block bots without user friction, GDPR-compliant, made in EU.

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

---
Source: https://selfhost.directory/alternative-to/yescaptcha