The open-source, privacy-friendly CAPTCHA you host yourself. Bots and AI agents out, people in.
- captcha
- javascript
- proof-of-work
- antispam
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Self-hosted, invisible CAPTCHA that detects AI agents driving real browsers. GDPR, WCAG 2.2 AA, and EAA: no cookies, no third-party data sharing, and no visual or audio puzzle. With a false-positive budget enforced in CI. Proof of work, drop-in for Turnstile and reCAPTCHA.
- anti-bot
- behavioral-analysis
- bot-detection
- captcha