Wireshark is the world’s foremost and widely-used network protocol analyzer. It lets you see what’s happening on your network at a microscopic...
Best Malcolm Alternatives ranked by AI · updated Aug 2026
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Malcolm is an open-source network traffic analysis toolset for full-packet capture, flow analysis, and network security monitoring. It is aimed at defenders and investigators who need rich searchable metadata and packet-level evidence.
Top 6 Malcolm alternatives
Snort is a free and open source network intrusion prevention system (NIPS) and network intrusion detection system (NIDS) created by Sourcefire. Combining...
NetworkMiner is a Network Forensic Analysis Tool (NFAT) for Windows that can detect the OS, hostname, and open ports of network hosts...
SELKS is an open-source network security monitoring and threat detection platform built around Suricata. It is designed for security teams that need...
Pros
- Bundles Suricata, dashboards, hunting, and case management in one deployment
- Strong support for signature-based network intrusion detection
- Open-source and available as a ready-to-deploy security distribution
Cons
- More specialized and operationally complex than endpoint-focused SIEM tools
- Requires substantial storage and tuning for busy networks
- Smaller ecosystem and community than Security Onion
Free; commercial support available
Suricata is an open-source, high-performance network threat detection engine supporting IDS, IPS, and network security monitoring. It is intended for security teams...
Pros
- Provides the core detection engine used by SELKS
- Supports IDS, inline IPS, protocol analysis, and flow logging
- Lower overhead and more deployment flexibility than SELKS
Cons
- Does not include SELKS's integrated dashboards and investigation workflows
- Requires separate tooling for storage, visualization, and case management
- Detection quality depends heavily on rule tuning and network placement
Brunhilde is an open-source command-line tool for batch processing and triaging PCAP network captures. It is aimed at security analysts who need...
Pros
- Automates repetitive PCAP triage better than manual Wireshark workflows
- Fits command-line and scripted incident-response pipelines
- Supports analysis of large capture collections
Cons
- Requires more setup and operational knowledge than desktop analyzers
- Less interactive than Wireshark for packet-by-packet inspection
- Smaller community and ecosystem than major network-analysis projects
Free and open source
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