WinPcap - Industry-standard tool for link-layer network access in Windows.
Technitium MAC Address Changer - Technitium MAC Address Changer (TMAC) is a freeware utility to instantly change or spoof MAC Address of any network card (NIC).
Npcap - Npcap is the Nmap Project's packet sniffing library for Windows.
Win10Pcap - Win10Pcap is a WinPcap-based Ethernet packet capture library.
clumsy - clumsy makes your network condition on Windows significantly worse, but in a managed and...
Wireshark - Wireshark is a network protocol analyzer for Unix and Windows. It lets you capture and interactively browse the traffic running on a computer network.