Nmap - the Network Mapper. Github mirror of official SVN repository.

the TCPdump network dissector

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.

the LIBpcap interface to various kernel packet capture mechanism

High-level, multiplatform C++ network packet sniffing and crafting library.

Enjoy games with your friends as if you were on a LAN.

A Java library for capturing, crafting, and sending packets.

pmacct is a small set of multi-purpose passive network monitoring tools [NetFlow IPFIX sFlow libpcap BGP BMP RPKI IGP Streaming Telemetry].

The ARP Scanner

Linux LD_PRELOAD rootkit (x86 and x86_64 architectures)

The best companion of kcptun

Utility to show network traffic (both TCP and UDP v4 and v6) split by process and remote host

A network tool to control the bandwidth over your local network.

jNetPcap v2, a libpcap network packet capture using powerful Java API on Linux, Windows, Mac, etc..

Send ARP packets and read ARP tables using Javascript

lightweight cross-platform networking toolkit

tcpslice concatenates multiple pcap files together, or extracts time slices from one or more pcap files.

Yara powered NIDS with high speed packet capture powered by PF_RING

TCP port scan detection tool

Sniffer is an http packet capture tool, base on golang gopacket(libpcap)