OWASP Coraza WAF is a golang modsecurity compatible firewall library
HTTP proxy to block ads and customize webpages
Firewall log analyzer
Robust and flexible VPN network tunnelling
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.
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