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Open Source CAPTCHA & Bot Protection Tools using Tailwind

A curated collection of the best open source tools for distinguishing humans from bots (CAPTCHA) and preventing spam. using Tailwind.

Private Captcha

GDPR-compliant bot protection without user friction

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Privacy-first CAPTCHA service that blocks bots while keeping forms accessible. No puzzles, no tracking, no cookies - just invisible cryptographic protection.

Open Source Alternative to:

reCAPTCHA

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