LuLu is the free open-source macOS firewall
Next Generation Open Source Firewall
Cross-platform multi-protocol VPN software
Zeek is a powerful network analysis framework
Firewall log analyzer
HTTP proxy to block ads and customize webpages
Free UTM appliance: firewall, VPN, WAF and antivirus in one ISO.
Antivirus eCAP adapter for Squid 3.1 and above.
Robust and flexible VPN network tunnelling
A library for blocking access to network on-the-fly
OpenWRT ©VMWare ©ESXi Appliance NAT router
A java PCAP and DPI library
Açık kaynaklı bir hotspot yazılımı
PeerGuardian - a privacy oriented firewall application
KnockIt! is a port Knocking tool for MAC OSX
IoT Device, Gateway, Server platform