OWASP Coraza WAF is a golang modsecurity compatible firewall library
OpenBSD based firewall distribution
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
IOSec Addons are enhancements for web security and crawler detection
This tool locks down Linux and UNIX systems.