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

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 TCPdump network dissector

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.

Send ARP packets and read ARP tables using Javascript

lightweight cross-platform networking toolkit

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

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

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

TCP port scan detection tool