pcap

Scapy: the Python-based interactive packet manipulation program & library. Supports Python 2 & Python 3.

A terminal UI for tshark, inspired by Wireshark

🐸 Identify anything. pyWhat easily lets you identify emails, IP addresses, and more. Feed it a .pcap file or some text and it'll tell you what it is! 🧙‍♀️

Arkime (formerly Moloch) is an open source, large scale, full packet capturing, indexing, and database system.

Zeek is a powerful network analysis framework that is much different from the typical IDS you may know.

jq for binary formats

FastNetMon - very fast DDoS sensor with sFlow/Netflow/IPFIX/SPAN support

Network Analysis Tool

An open source real-time network topology and protocols analyzer

the LIBpcap interface to various kernel packet capture mechanism

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, WinPcap, DPDK and PF_RING.

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

Portable (that doesn't include proprietary/commercial operating systems) solution for conversion of cap/pcap/pcapng (gz compressed) WiFi dump files to hashcat formats (recommended by hashcat) and to John the Ripper formats. hcx: h = hash, c = convert and calculate candidates, x = different hashtypes

❄️ PcapXray - A Network Forensics Tool - To visualize a Packet Capture offline as a Network Diagram including device identification, highlight important communication and file extraction

Packages and utilities for network booting

Small tool to capture packets from wlan devices.

HOMER - 100% Open-Source SIP, VoIP, RTC Packet Capture & Monitoring

Malcom - Malware Communications Analyzer

A toolset for network packet capture in Cloud/Kubernetes and Virtualized environment.