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Best Network Packet Analyzer Software in 2026
Network packet analyzers help you examine traffic, whether you are working with live capture or files saved for later review. Compared on capture file formats, command-line tool, live capture, operating systems, protocol dissectors, traffic decryption, free plan, and paid from, the entries cover both analysis features and practical setup considerations. NETCAP, PacketSafari, and Scapy are among the options shown. Think about where your captures come from, which protocols or formats you need to inspect, and whether decryption or command-line access matters to your workflow. Operating-system support and listed cost details can help you compare possible fits.
- 32 apps
- Research read 23 Sept 2026
- How the order is worked out
- 1
Arkime
Free plan Open source APILinuxSelf-hosted+1Arkime offers session search, packet inspection, and flexible packet retention without license fees.
- 2
NETCAP
Free plan Open source APILinuxMac+3NETCAP pairs packet capture and structured records in Core with added investigation tools in Pro. The free edition and trial offer distinct ways to assess the listed feature sets.
- 3
PacketSafari
Free plan Open source APILinuxMac+3Choose PacketSafari if your team needs packet-level evidence for root-cause or security investigations and wants a choice of managed or on-premises deployment.
- 4
PcapAI
Free plan Open source APILinuxMac+3PcapAI combines security findings with packet evidence and network troubleshooting indicators in downloadable reports.
- 5
Wireshark
Free plan Open source APILinuxMac+2Wireshark provides broad protocol inspection and analysis tools at no license fee, with both graphical and terminal interfaces.
- 6
Sniffnet
Free plan Open source LinuxMacWindowsSniffnet combines live traffic views, host details, capture-file support, and program monitoring at no cost. Note that it does not decrypt traffic, and reverse DNS lookups are used for hostnames.
- 7
A-Packets
Free plan APILinuxSelf-hosted+1A-Packets provides packet capture analysis with public and private options, plus an OnPrem deployment for customer-controlled infrastructure.
- 8
BruteShark
Free plan LinuxWindowsChoose BruteShark if you need a free tool for network traffic analysis, credential and hash extraction, or network mapping on Windows or Linux.
- 9
CapAnalysis
Free plan LinuxWebChoose CapAnalysis if you need a free tool for indexing and filtering PCAP traffic, with protocol inspection and geographic views.
- 10
NetworkMiner
Free plan LinuxMacWindowsNetworkMiner offers a free starting point for traffic analysis, with Professional adding more inputs, exports and analysis features.
- 11
Colasoft Capsa
Free plan WindowsCapsa combines packet inspection, network diagnosis, security analysis, and reporting in a Windows desktop tool.
- 12
Malcolm
Free plan APILinuxMac+3Malcolm combines traffic intake, enrichment, and browser-based analysis for security monitoring. Plan deployments carefully, particularly if using rootless Podman or the installer ISO.
- 13
PacketSnitch
Free plan LinuxMacWindowsPacketSnitch provides broad capture investigation tools and local parsing, with optional integrations and metrics as possible network egress.
7.1 Visit site - 14
Scapy
Free plan APILinuxMac+3Scapy offers packet-level flexibility for users comfortable working with Python and network protocols. Check platform and optional-package requirements for the tasks you need.
- 15
EtherApe
Free plan LinuxChoose EtherApe if you want a free Linux network monitor with visual traffic views, filters, and live or saved capture support.
- 16
termshark
Free plan AndroidLinuxMac+1Choose termshark if you want a free terminal tool for packet capture analysis, especially on a remote machine where copying a pcap is unnecessary.
- 17
netsniff-ng
Free plan Linuxnetsniff-ng brings capture, filtering, protocol analysis, and trace replay into a Linux toolkit. Note that two utilities are marked experimental and the project does not guarantee bug-free tools.
- 18
tcpdump
Free plan LinuxMacWindowstcpdump offers free packet capture across a broad set of listed systems, with source builds available.
- 19
TShark
Free plan LinuxMacWindowsTShark provides terminal-based capture and analysis with multiple output formats and Wireshark-compatible display filters.
- 20
Xplico
Free plan LinuxSelf-hostedWebXplico provides PCAP extraction, protocol identification, and case management, with a free plan that has no input-file count limit.
- 21
Zui
Free plan LinuxMacWindowsZui combines Zed lake exploration with packet capture analysis in a desktop interface. Linux users should account for the manual update process.
- 22
PCAPdroid
Free plan AndroidPCAPdroid combines local Android traffic capture with connection details, export options, and selected-app TLS inspection.
- 23
PAL (Pcap Analysis Library)
Free plan LinuxPAL offers a focused Rust toolkit for offline PCAP analysis, reconstruction, and extensible packet processing.
- 24
CloudShark
Paid APILinuxSelf-hosted+1CloudShark provides self-hosted packet analysis with Wireshark-compatible filtering, threat-analysis pivots, sharing, and integrations.
- 25
CommView
Free trial WindowsCommView provides extensive packet and protocol analysis for Windows, including session reconstruction, alarms, decryption, and remote capture.
#1Places #1, #2, #3, #4, #5 on this list can be bought by the makers of the software on it. See the price