1.nmap / nmap
Nmap - the Network Mapper. Github mirror of official SVN repository.
+675 stars
from 13,238 · score 6.52
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6 repositories by Attention Score · Aug 5, 2026 – Nov 2, 2026 (UTC)
2.the-tcpdump-group / libpcap
the LIBpcap interface to various kernel packet capture mechanism
+50 stars
from 3,137 · score 3.93
3.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, WinDivert and PF_RING.
+46 stars
from 3,115 · score 3.85
4.pmacct / pmacct
pmacct is a small set of multi-purpose passive network monitoring tools [NetFlow IPFIX sFlow libpcap BGP BMP RPKI IGP Streaming Telemetry].
+27 stars
from 1,230 · score 3.33
5.kaitoy / pcap4j
A Java library for capturing, crafting, and sending packets.
+6 stars
from 1,236 · score 1.95
6.pellegre / libcrafter
A Rust library for constructing, sending, capturing, and decoding network packets
+1 stars
from 310 · score 0.69