nmap / npcap

Nmap Project's Windows packet capture and transmission library

seladb / PcapPlusPlus

PcapPlusPlus is a multiplatform C++ library for capturing, parsing and crafting of network packets. It is designed to be efficient, powerful and easy to use. It provides C++ wrappers for the most popular packet processing engines such as libpcap, Npcap, WinPcap, DPDK, AF_XDP and PF_RING.

dotpcap / sharppcap

Official repository - Fully managed, cross platform (Windows, Mac, Linux) .NET library for capturing packets