tiagozip / cap

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

docker-mailserver / docker-mailserver

Containerized full-stack mail server bundling Postfix, Dovecot, Rspamd, and ClamAV for SMTP, IMAP, and POP3 with config-file-based setup.

altcha-org / altcha

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

tirrenotechnologies / tirreno

tirreno is an open-source framework for building sovereign security, compliance and fraud prevention applications. Detect account takeovers, cyberfraud and business logic abuse inside your product.

splorp / wordpress-comment-blocklist

A simple solution for WordPress comment spam.