TinyWall - Lightweight and non-intrusive firewall
Axence netTools - Axence netTools is completely free of charge, both for home and commercial use – all you have to do is to register. A tool for professionals – and others.
GlassWire - Visualize network activity in detail, get notified when new apps access the network, look out for...
Zabbix - Track, record, alert and visualize performance and availability of IT resources
Windows Firewall Control - Windows Firewall Control is not the built in firewall system in the Windows operating systems.
Technitium MAC Address Changer - Technitium MAC Address Changer (TMAC) is a freeware utility to instantly change or spoof MAC Address of any network card (NIC).