Next Generation Open Source Firewall
Network Security Appliance Linux Distribution
Firewall log analyzer
CacheGuard Gateway is a UTM, a WAF, and a QoS management appliance.
Anti Spam SMTP Gateway
A powerful network security tool, easy, safe and totally free.
PCAP from another point of view
Powerfull Web Application Firewall for PHP
Prevent and Protect Your HTML5 Video, Music , Audio From Download Free
A client for the MikroTik RouterOS API protocol, written in PHP.
Open source voucher management / hotspot system
network control and reporting
IOSec Addons are enhancements for web security and crawler detection
a secure, open source OS for use inside USEagency facilities
Lomalarga is a VPN-like service based on SSH and Linux.