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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.

Private Captcha

GDPR-compliant bot protection without user friction

Stars
177
Forks
5
Last commit
1 day ago

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:

hCaptcha

Friendly Captcha

Invisible bot protection that respects user privacy

Stars
27
Forks
12
Last commit
20 hours ago

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:

hCaptcha

Stars
Forks
Last commit

Stars
Forks
Last commit

Stars
Forks
Last commit

Stars
Forks
Last commit

Stars
Forks
Last commit

Stars
Forks
Last commit