OpenSnitch is a GNU/Linux port of the Little Snitch firewall
Serve as a reverse proxy to protect your web services from attacks
Firewall able to analyze visitor behavior & provide adapted response
Firewall log analyzer
Next Generation Open Source Firewall
RazWall Firewall
Network Security Appliance Linux Distribution
HTTP proxy to block ads and customize webpages
Free UTM appliance: firewall, VPN, WAF and antivirus in one ISO.
Share a VPN connection with VMs or containers
Anti Spam SMTP Gateway
OpenWRT ©VMWare ©ESXi Appliance NAT router
IPFIRE Firewall for ARM architecture (OrangePi)
Small Content Filtering And Web Acceleration Appliance
Açık kaynaklı bir hotspot yazılımı
An iptables IPv4 firewall and traffic shaping program
OPNsense is an open source, easy to use firewall and routing platform