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Open Source CAPTCHA & Bot Protection Tools using Golang

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

GDPR-compliant bot protection without user friction
  • Stars


    192
  • Last commit


    1 day 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:

Invisible bot protection that respects user privacy
  • Stars


    33
  • Last commit


    8 hours ago
  • License


    MPL-2.0
Privacy-compliant CAPTCHA alternative using proof-of-work technology. Protects websites from bots and spam without user interaction or data tracking.

Open Source Alternative to:

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