PostgreSQL monitoring for Zabbix
bash programmable completion for conntrack-tools (netfilter.org)
Programmable completion specification for nfacct (netfilter.org)
Lightweight fully extendable client/server application framework
VPCS
Simple web form for static assignment of DHCP leases
Programmable completion code (bash) for ipset (netfilter.org)
Simple meta-server for locating other multiplayer servers
ARP handler inspection
Creates web pages that show information about Ethernet switches.
pfck - pf check - organizes flow information by host
NfSen plugin to generate and analyze per-IP statistics
MitM pentesting opensource toolkit
Webbased Dashboard to show the status of your IT infrastructure