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Open Source CAPTCHA & Bot Protection Tools using Eslint

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

Privacy-first proof-of-work CAPTCHA without user friction
  • Stars


    2,481
  • Last commit


    11 months ago
  • License


    AGPL-3.0
Privacy-focused proof-of-work CAPTCHA system that silently protects websites without tracking users or requiring image solving. Drop-in replacement for reCAPTCHA.

Open Source Alternative to:

GDPR-compliant bot protection without user friction
  • Stars


    187
  • Last commit


    6 hours ago
  • License


    Unknown
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:

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