Instead of Malcolm
Malcolm alternatives
Malcolm combines packet and log analysis with network security monitoring. It accepts PCAP files, Zeek logs, and Suricata alerts through a browser, or live traffic sent by lightweight sensors. OpenSearch Dashboards visualizes activity, while Arkime searches network sessions. Enrichment adds GeoIP, hardware manufacturer lookups, asset mappings, and JA4 fingerprints. Authentication and role-based access controls help manage access, and deployment is free under the Apache License 2.0.
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Termshark
Free plan AndroidLinuxMac+1Terminal-based capture inspection on remote machines — Termshark offers terminal-based pcap inspection, Wireshark display filters, and TCP and UDP flow reassembly, rather than Malcolm’s broader monitoring suite.
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NetworkMiner
Free plan LinuxMacWindowsExtracting files, images, emails, and passwords — NetworkMiner extracts traffic artifacts and builds a host inventory, while Malcolm combines session analysis with enrichment and security monitoring.
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Sniffnet
Free plan Open source LinuxMacWindowsReal-time traffic monitoring and bandwidth views — Sniffnet focuses on traffic statistics, real-time charts, program bandwidth use, and configurable event alerts rather than Malcolm’s session analysis suite.
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tcpdump
Free plan LinuxMacWindowsCommand-line packet capture and data acquisition — tcpdump is a packet capture and data acquisition tool, while Malcolm adds browser-based analysis, session search, and data enrichment.
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TShark
Free plan LinuxMacWindowsCommand-line capture decoding and packet output — TShark captures or reads packets and decodes them for filtered output, while Malcolm also analyzes logs and enriches session data.
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Wireshark
Free plan Open source APILinuxMac+2Graphical, interactive protocol inspection — Wireshark offers graphical live capture and interactive protocol inspection, while Malcolm centers on searchable sessions and security monitoring.
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Arkime
Free plan Open source APILinuxSelf-hosted+1Searchable network sessions and indicator enrichment — Arkime specializes in searchable session records and indicator enrichment, whereas Malcolm combines Arkime with dashboards, logs, and other integrations.
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Avidemux
Free plan Open source LinuxMacWeb+1 - 9
Colasoft Capsa
Free plan Windows - 10
netsniff-ng
Free plan Linux - 11
PCAPdroid
Free plan Android - 12
EndaceProbe
Paid APILinuxSelf-hosted+1 - 13
Airtool Pi
Paid iPhoneMac - 14
nChronos
Paid LinuxSelf-hostedWeb+1 - 15
Omnipeek
Free trial WebWindows - 16
GL PacketScan
Paid LinuxWebWindows - 17
EndaceVision
Paid Web - 18
PacketWatch
Paid APISelf-hostedWeb - 19
SentryWire
Paid Self-hostedWeb - 20
Airtool 2
Paid Mac - 21
Observer GigaStor
Paid Windows
That breadth has a significant infrastructure cost: a dedicated server requires at least 8 CPU cores and 24 GB of RAM, with higher specifications recommended. Malcolm runs in containers, and its documented platforms include Linux, macOS, Windows, web, and self-hosted use. Alternatives may be a better fit for focused packet inspection, artifact extraction, or simpler traffic monitoring. When switching, consider whether you need Malcolm’s combination of session search, enrichment, integrations, and access controls, or would rather prioritize a terminal or graphical interface, specific traffic views, or a different analysis workflow.
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