Submit
Ad
Learn more

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.

Private Captcha

GDPR-compliant bot protection without user friction

  • Stars

    199

  • Last commit

    3 days 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:

reCAPTCHA

Friendly Captcha

Invisible bot protection that respects user privacy

  • Stars

    37

  • Last commit

    15 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:

reCAPTCHA
Ad