OWASP Coraza WAF is a golang modsecurity compatible firewall library
Firewall log analyzer
HTTP proxy to block ads and customize webpages
OWASP ModSecurity Core Rule Set (CRS) Project
Prevent and Protect Your HTML5 Video, Music , Audio From Download Free
Open source voucher management / hotspot system
Linux firewall distribution geared towards home and SOHO users.
Manager Update Platform/Packages for pfSense Multisite
A MAC address based user authentication system for campus-wide network
IOSec Addons are enhancements for web security and crawler detection
Firewall/Proxy FreeBSD
Detect Flooder IPs, Reduce Attack Surface against HTTP Flood Attacks
OpenBSD IPsec based VPN