Best Network Protocol Analyzers in 2026

Protocol analysis begins with the traffic you can capture and the ways you need to inspect it. Compared on capture sources, PCAP support, and remote capture, these tools also vary across flow analysis, traffic decryption, and CLI tools. Deployment options, free-plan availability, and paid-from pricing help frame setup and access. Scapy, Arkime, and Kismet are among the analyzers shown. Match the listed capture and analysis capabilities to your environment and investigation needs, including whether you need remote collection, command-line work, or traffic decryption.

30ranked
18free plans on this page
$8.25/molowest paid tier
11 Oct 2026last checked

Network Protocol Analyzers, one module each.A lit port is something its maker publishes; 8 of 8 with a known API signal have a public API.

  1. 01 A-Packets API yesFREE yesDOCS 7.4$8.25/mo
  2. 02 Scapy API yesFREE yesDOCS 7.4Free
  3. 03 Arkime API yesFREE yesDOCS 7.3Free
  4. 04 Kismet API yesFREE yesDOCS 7.3Free
  5. 05 HOMER API yesDOCS 7.0
  6. 06 CloudShark API yesFREE noDOCS 6.7$29/mo
  7. 07 Trisul Network Analytics API yesFREE noDOCS 6.7
  8. 08 VoIPmonitor API yesFREE noDOCS 6.7$21.58/mo
  9. 09 NetworkMiner FREE yesDOCS 6.0Free
  10. 10 PacketSnitch FREE yesDOCS 6.0Free
  11. 11 RedSplice Network Analyzer FREE yesDOCS 6.0Free
  12. 12 termshark FREE yesDOCS 6.0Free
  13. 13 Colasoft Capsa FREE yesDOCS 5.9Free
  14. 14 EtherApe FREE yesDOCS 5.9Free
  15. 15 Ettercap FREE yesDOCS 5.9Free
  16. 16 NETCAP FREE yesDOCS 5.9$548/mo
  17. 17 tcpdump FREE yesDOCS 5.9Free
  18. 18 TShark FREE yesDOCS 5.9Free
  19. 19 Wireshark FREE yesDOCS 5.9Free
  20. 20 Zui FREE yesDOCS 5.9Free
  21. 21 netsniff-ng FREE yesDOCS 5.8Free
  22. 22 OpenGrep FREE yesDOCS 5.8Free
  23. 23 Glean Packets DOCS 5.5
  24. 24 CommView FREE noDOCS 5.4$12.42/mo
  25. 25 My Network Consultant DOCS 5.4
Compare all 25 in a table
#PlatformScoreFree planFromFree planPaid fromDeploymentCapture sources
1A-Packets7.4Free plan$8.25/moYesserver
2Scapy7.4Free planFreeYesbothboth
3Arkime7.3Free planFreeYesserverboth
4Kismet7.3Free planFreeYesbothboth
5HOMER7.0serverboth
6CloudShark6.7No$29/moNoserverboth
7Trisul Network Analytics6.7NoNoserverboth
8VoIPmonitor6.7No$21.58/moNo22 /mo
9NetworkMiner6.0Free planFreeYesdesktopboth
10PacketSnitch6.0Free planFreedesktoplocal
11RedSplice Network Analyzer6.0Free planFreeNodesktopboth
12termshark6.0Free planFreebothboth
13Colasoft Capsa5.9Free planFreeYesdesktoplocal
14EtherApe5.9Free planFreeYesdesktopboth
15Ettercap5.9Free planFreeYesdesktopboth
16NETCAP5.9Free plan$548/moYesbothboth
17tcpdump5.9Free planFreeYesbothboth
18TShark5.9Free planFreeYesbothboth
19Wireshark5.9Free planFreeYesdesktopboth
20Zui5.9Free planFreeYesbothlocal
21netsniff-ng5.8Free planFreeYeslocal
22OpenGrep5.8Free planFreeYes
23Glean Packets5.5serverboth
24CommView5.4No$12.42/moNobothboth
25My Network Consultant5.4Yesserverlocal

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