Friendly Net Viewer (FViewer for short) is a very friendly network administration, (network status) visualization and monitoring freeware with a wide range of advanced features. It is originally a part of Friendly Pinger.

To efficiently manage company/enterprise's internal LAN network with numerous nodes, complex structure and frequent failures, we often need to turn to the convenient and intuitive network topology for help. This way, when some device in a LAN breaks down, we will be able to skillfully use it to quickly locate the machine/source out of order.