pfSense - pfSense is a free and open source firewall and router that also features unified threat management, load balancing, multi WAN, and more
TinyWall - Lightweight and non-intrusive firewall
SonicWall - SonicWall security solutions protects your network, systems, users and data from cyber threats.
GlassWire - Visualize network activity in detail, get notified when new apps access the network, look out for...
MikroTik RouterOS - The main product of MikroTik is a Linux-based operating system known as MikroTik RouterOS.
Windows Firewall Control - Windows Firewall Control is not the built in firewall system in the Windows operating systems.