Firewall log analyzer
Intelligently block brute-force attacks by aggregating system logs
A java PCAP and DPI library
A simple, portable port scanner
A client for the MikroTik RouterOS API protocol, written in PHP.
track log files, block intrusions, and much more
Open source voucher management / hotspot system
A MAC address based user authentication system for campus-wide network
IOSec Addons are enhancements for web security and crawler detection
IDS + IPS for RouterOS (mikrotik)
Detect Flooder IPs, Reduce Attack Surface against HTTP Flood Attacks
Lomalarga is a VPN-like service based on SSH and Linux.