GlassWire - Visualize network activity in detail, get notified when new apps access the network, look out for...
ngrok - ngrok enables secure introspectable tunnels to localhost webhook development tool and debugging tool.
TrafficMonitor - TrafficMonitor is a network monitoring suspension window software in Windows.
NetWorx - NetWorx is a simple and powerful tool that helps you objectively evaluate your bandwidth situation.
NetSpeedMonitor - NetSpeedMonitor is a lightweight Network Monitoring Toolbar for your Windows Taskbar
NetTraffic - Essential network bandwidth monitor.