NetworkTrafficView is a network monitoring tool that captures the packets pass through your network adapter, and displays general statistics about your network traffic. It is a freeware network traffic monitoring application that's comprehensive, light on system resources, straightforward and powerful.
Here are some screenshots to illustrate the features and user interface of this application:
PRTG Network Monitor
GlassWire
GNS3
Wireshark Portable
Wireshark