Windows 10 Network Monitoring downloads

PortKiller
Monitors TCP ports and processes, with tools for Kubernetes forwarding and Cloudflare Tunnel.
Price: FREE / Open Source
DeviceShelf
Scan your network: every device, its open ports and where the risk is
Price: $59.00 / Shareware
Macadress Scanner
Free LAN scanner that finds every device and identifies its vendor and type
Price: FREE / Freeware
Net Monitor
Monitor and log the internet connections of all programs running on your PC.
Price: $24.90 / Freeware