WinPcap is the industry-standard tool for link-layer network access in Windows environments: it allows applications to capture and transmit network packets bypassing the protocol stack, and has additional useful features, including kernel-level packet filtering, a network statistics engine and support for remote packet capture. It is a freeware network access application that's vital and advanced.
Here are some screenshots to illustrate the features and user interface of this application:
Snort
cFosSpeed
Wireshark
NetWorx
GlassWire