FreeMeter - Monitor network bandwidth (C#.NET 2k/XP+). Desktop and Systray graph.
TinyWall - Lightweight and non-intrusive firewall
TrafficMonitor - TrafficMonitor is a network monitoring suspension window software in Windows.
Windows Firewall Control - Windows Firewall Control is not the built in firewall system in the Windows operating systems.
Network Lights - Network Lights is a Windows program, which blinks keyboard LEDs (Light Emitting Diode) indicating outgoing and incoming network packets on network interface.
Windows 10 Firewall Control - Windows 10 Firewall Control: simple and exhaustive solution for applications network activity controlling and monitoring.