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.
GlassWire - Visualize network activity in detail, get notified when new apps access the network, look out for...
NetSpeedMonitor - NetSpeedMonitor is a lightweight Network Monitoring Toolbar for your Windows Taskbar
FreeMeter - Monitor network bandwidth (C#.NET 2k/XP+). Desktop and Systray graph.
NetWorx - NetWorx is a simple and powerful tool that helps you objectively evaluate your bandwidth situation.