NetSpeedMonitor - NetSpeedMonitor is a lightweight Network Monitoring Toolbar for your Windows Taskbar
iStat Menus - "An advanced Mac system monitor for your menubar."
TrafficMonitor - TrafficMonitor is a network monitoring suspension window software in Windows.
Stats - Simple macOS system monitor in your menu bar.
Network Lights - Network Lights is a Windows program, which blinks keyboard LEDs (Light Emitting Diode) indicating outgoing and incoming network packets on network interface.
MenuBar Stats - Advanced Mac system monitor right from the menu bar