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
IOSec Addons are enhancements for web security and crawler detection
Detect Flooder IPs, Reduce Attack Surface against HTTP Flood Attacks
Lomalarga is a VPN-like service based on SSH and Linux.