Open Source Monitoring System for performance and availability.
Free UTM appliance: firewall, VPN, WAF and antivirus in one ISO.
A secure, feature-rich, customizable embedded Linux network appliance
iptables script in only one file
Anti Spam SMTP Gateway
UPS Information Gathering Tool
A benchmark suite for reliable testing of IP networks.
OpenBSD based firewall distribution
Xymon monitors your hosts, your network services, and everything else.
Wide Area Network Emulator
Mastering the Lightning Network (LN)
Control how long your childs computer is connected to the internet
Simple bash script for connection sharing.
Pioneering Private and Public Cloud Management since 2008
A powerful network security tool, easy, safe and totally free.
OPTOSS Next Gen Network Management System (NG-NetMS)
Programmable completion code (bash) for ip[6]tables (netfilter.org)
Open source voucher management / hotspot system
Linux firewall distribution geared towards home and SOHO users.
Programmable completion code (bash) for ipset (netfilter.org)