SRFirewall is an easy to use, but still quite capable firewall for Netfilter/iptables. It is a complete rewrite of Firewall/SOSDG, designed to make it easy for users to configure and protect their Linux servers, routers, and gateways.
Firewall/SOSDG is a Netfilter/IPTables firewall that is designed to be simple to use, yet powerful. It features support for standalone machines and routers (with NAT support).
A Torrent server appliance that is easy to use and lightweight.
A configuration tool for managing Linux kernel packet filtering rules of the nf_tables packet filter.