Best Network Packet Capture Software in 2026

In short: Termshark is ranked #1 of 20 as of 5 October 2026, ahead of Malcolm and NetworkMiner. The best-ranked option with a free plan is Malcolm.

When you need to collect and examine network traffic, packet capture software can work with live traffic or saved traces. Compared on capture file formats, live capture, offline trace analysis, display filters, and protocol decryption, these entries show different ways to inspect packets. Command-line capture and supported platforms can help you assess fit with your setup; check free-plan availability and paid-from pricing too. Termshark, Malcolm, and NetworkMiner are among the options, alongside tcpdump and Wireshark. Use the listed capabilities to weigh whether your work centers on capturing traffic, examining existing files, or both.

20 network packet capture software ranked on what their makers publish — plans and prices, free tiers, platforms and the facts on their own pages.

20ranked
10free plans on this page
5 Oct 2026last checked

10 of the 20 here have a free tier you can use, 0 have open-source code on record, and 0 have full bars: free, open, on most of your devices and documented.

#AppSignalFree tierOpen codeDevicesFromScore
1TermsharkWindows · Mac · Linux · Android Three bars—4 of 6Free6.7
2MalcolmWeb · Windows · Mac · Linux · Self-hosted · API Three bars—4 of 6Free6.6
3NetworkMinerWindows · Mac · Linux Three bars—3 of 6Free6.5
4SniffnetWindows · Mac · Linux Three bars—3 of 6Free6.5
5tcpdumpWindows · Mac · Linux Three bars—3 of 6Free6.5
6TSharkWindows · Mac · Linux Three bars—3 of 6Free6.5
7WiresharkWindows · Mac · Linux Three bars—3 of 6Free6.5
8ArkimeWeb · Linux · Self-hosted · API Two bars—2 of 6Free6.4
9Colasoft CapsaWindows Two bars—1 of 6Free6.4
10PCAPdroidAndroid Two bars—1 of 6Free6.4
11nChronosWeb · Windows · Linux · Self-hosted Two bars——3 of 6—5.6
12EndaceProbeWeb · Linux · Self-hosted · API One bar——2 of 6—5.5
13EndaceVisionWeb No signal——1 of 6—5.2
14GL PacketScanWeb · Windows · Linux One bar——3 of 6—5.2
15netsniff-ngLinux No signal——1 of 6—5.2
16SentryWireWeb No signal——1 of 6—5.2
17VIAVI Observer AnalyzerWindows One bar——1 of 6—5.0
18Airtool PiMac One bar——1 of 6—4.8
19PacketWatchWeb No signal——1 of 6—4.8
20OmnipeekWeb · Windows No signal——2 of 6—4.7
Compare all 20 in a table
#AppScoreFree planFromFree planPaid fromLive captureOffline trace analysis
1Termshark6.7Free planFreeYes—YesYes
2Malcolm6.6Free planFreeYes—YesYes
3NetworkMiner6.5Free planFreeYes———
4Sniffnet6.5Free planFreeYes—YesYes
5tcpdump6.5Free planFreeYes———
6TShark6.5Free planFreeYes———
7Wireshark6.5Free planFreeYes———
8Arkime6.4Free planFreeYes———
9Colasoft Capsa6.4Free planFreeYes———
10PCAPdroid6.4Free planFreeYes—YesYes
11nChronos5.6No———YesYes
12EndaceProbe5.5No———YesYes
13EndaceVision5.2No—————
14GL PacketScan5.2No—————
15netsniff-ng5.2No—Yes—YesYes
16SentryWire5.2No———YesYes
17VIAVI Observer Analyzer5.0No———YesYes
18Airtool Pi4.8No—No—YesNo
19PacketWatch4.8No—No—YesYes
20Omnipeek4.7No—No———

Is your app on this list?

Numbered spots on this list can be sponsored, and a sponsored row is labelled as paid.

Questions about this list

Which network packet capture software is ranked first on Freedom251?

Termshark is ranked #1 of 20 with a score of 6.7. Malcolm is second and NetworkMiner third.

How many of these have a free plan?

10 of the 20 on this page publish a free plan on their own pricing pages.

How is this list ranked?

Ranked free-and-open first: a usable free tier and open-source code, then the platforms it runs on and its documentation.

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