tiagozip / cap

privacy-first, open-source and self-hosted CAPTCHA alternative with PoW and instrumentation challenges.

altcha-org / altcha

GDPR, WCAG 2.2 AA, and EAA compliant, self-hosted CAPTCHA alternative with PoW mechanism.

velobase / velobase-harness

All AI developers deserve to get paid. Turn your AI prototype into a paid SaaS with open-source infrastructure for usage billing, payments, attribution, affiliates, anti-abuse, and deployment.