WinPcap - Industry-standard tool for link-layer network access in Windows.
Charles Proxy - HTTP proxy / HTTP monitor / Reverse Proxy
Npcap - Npcap is the Nmap Project's packet sniffing library for Windows.
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.
Win10Pcap - Win10Pcap is a WinPcap-based Ethernet packet capture library.
Postman - The Collaboration Platform for API Development