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Tag: network analyzer

Network Analyzers

23 Best Free and Open Source Network Analyzers

August 6, 2026 Steve Emms Internet, Roundup, Security

A network analyzer (also known as a packet analyzer, packet sniffer, or protocol analyzer) is software that intercepts and logs traffic that passes over a computer network or part of a network.

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Network Analyzers

Malcolm – network traffic analysis suite

August 5, 2026 Steve Emms Security

Malcolm is a network traffic analysis suite designed for network security monitoring, threat hunting and incident response.

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Network Analyzers

Arkime – scalable network analysis and full packet capture system

August 4, 2026 Steve Emms Security

Arkime is a scalable network analysis and full packet capture system. It captures network traffic, stores packets in standard PCAP format.

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Utility

ntap – terminal-based network traffic monitor and analyzer

July 12, 2026 Steve Emms Internet, TUI

ntap monitors network traffic and captures packets in a terminal, with interface, protocol, address and port filtering options.

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Monitor System

NetWatch – terminal-based network monitoring and diagnostics

March 12, 2026 Steve Emms Internet, TUI

NetWatch provides terminal-based network diagnostics with connection monitoring, packet inspection, traffic graphs and alerts.

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Network Analyzers

Kyanos – networking analysis tool using eBPF

December 28, 2025 Steve Emms Security

Kyanos is an eBPF-based network issue analysis tool that enables you to capture network requests, such as HTTP, Redis, and MySQL requests.

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Network Analyzers

Network Monitor – real-time network connection monitoring tool

December 4, 2025 Steve Emms GUI, Internet, Security

Network Monitor is real-time network connection monitoring tool displaying active connections with live I/O statistics

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Utility

RustNet – process-aware terminal network monitor

October 24, 2025 Steve Emms Internet, TUI

RustNet is a terminal network monitor with per-process connection tracking, protocol inspection, packet capture and traffic analysis.

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Network Analyzers

tcpflow – TCP/IP packet demultiplexer

October 10, 2024 Steve Emms Security

tcpflow is a program that captures data transmitted as part of TCP connections (flows), and stores the data.

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Network Analyzers

jomon – network forensics and sniffer tool

October 7, 2024 Steve Emms Security

Jomon is a network forensics and passive sniffer tool. It monitors all incoming/outgoing network traffic, without the use of libpcap.

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Network Analyzers

Wireshark – network packet analyzer

November 5, 2023 Steve Emms GUI, Security

Wireshark is a network packet analyzer with live capture, protocol decoding, powerful display filters, traffic statistics and VoIP analysis.

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Network Analyzers

netsniff-ng – Swiss army knife for network plumbing

November 5, 2023 Steve Emms Security

netsniff-ng is a performant network analyzer and networking toolkit. It’s described as the Swiss army knife for network packets.

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Network Analyzers

darkstat – captures network traffic

November 5, 2023 Steve Emms Security

darkstat is a network statistics gatherer. It captures network traffic on a specified interface, calculates statistics about usage, and serves reports over HTTP.

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Network Analyzers

dsniff – collection of tools for network auditing and penetration testing

November 5, 2023 Steve Emms Security

dsniff is a collection of tools for network auditing and penetration testing. dsniff, filesnarf, mailsnarf, msgsnarf, urlsnarf, and webspy passively monitor.

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Network Analyzers

ngrep – grep applied to the network layer

November 5, 2023 Steve Emms Security

ngrep strives to provide most of GNU grep’s common features, applying them to the network layer. ngrep is a pcap-aware tool.

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Network Analyzers

tcpdump – command-line packet analyzer

November 5, 2023 Steve Emms CLI, Security

tcpdump is a common computer network debugging tool that runs under the command line. Intercept and display TCP/IP and other packets.

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Network Analyzers

sniffit – CORBA based sniffer system

November 5, 2023 Steve Emms Security

sniffIt is a Distributed Sniffer System. Capture network traffic from an unique machine using a graphical client application.

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Network Analyzers

EtherApe – graphical network monitor

November 5, 2023 Steve Emms Security

EtherApe is a network traffic browser. It displays network activity graphically.

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Network Analyzers

Justniffer – network TCP Packet Sniffer

November 5, 2023 Steve Emms Security

justniffer is a network protocol analyzer that captures network traffic and produces logs.

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Network Analyzers

sniffer – alternative network traffic sniffer

November 5, 2023 Steve Emms Security

sniffer is an alternative network traffic sniffer that’s designed for network troubleshooting.

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