nftables
Modern fwbuilder successor: Qt GUI for managing iptables/nftables policies. Centralized policy DB with reusable objects, scales to hundreds of firewalls, generates deployment-ready shell scripts.
Firegex, a firewall for Attack-Defense CTFs
A Generative Art Generator
Python package to generate country-specific IP network ranges consumable by both iptables/ipset and nftables.
