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Head-to-head · Network Protocol Analyzers

TShark vs Zui

  • Updated Oct 2026
  • Both researched from official sources
  • 6 checks side by side
Higher score TShark #2 in Network Protocol Analyzers 9.2/10 Free plan Free plan✓ 5 of 5 features Visit Wireshark
Zui #14 in Network Protocol Analyzers 7.8/10 Free plan Free plan✓ 3 of 5 features Visit Zui

TShark leads on 0 checks, Zui on 0, and 6 are even. Who comes out ahead on the 6 yes/no, price and count checks where we have data for both products. The editor score weighs everything else too.

Our verdict

  • Highest scoreTShark · 9.2/10
  • Free planboth
  • Most featuresTShark · 5 of 5

TShark scores higher on our rubric for network protocol analyzers: 9.2 against 7.8 out of 10; our editors rank them #2 and #14.

On capture sources, TShark gives you Both where Zui offers Local.

TShark is the better fit for scriptable packet analysis. Zui is the better fit for PCAP investigations with Zeek and Suricata.

  • TShark fits best

    Scriptable packet analysis

  • Zui fits best

    PCAP investigations with Zeek and Suricata

Advertiser disclosure: iTechGuides is reader-supported. Vendors can pay for top positions in our rankings and for a place on other products' pages, and we may earn a commission when you click some links. Bought places stand at the number bought; this page and our disclosure say so. Paying vendors may get a fuller, more detailed review from our editors, and that review can change their score. How we rank.

Side by side

Feature TShark 9.2/10 Visit ↗ Zui 7.8/10 Visit ↗
At a glance
Editor score 9.2 7.8
Ranking #2 in Network Protocol Analyzers #14 in Network Protocol Analyzers
Best for Scriptable packet analysis PCAP investigations with Zeek and Suricata
Pricing model Free Free
Starting price Free plan Free plan
Free plan ✓ ✓
Free trial — —
Deployment Self-hosted, Desktop Desktop, Self-hosted
Platforms Windows, macOS, Linux Windows, macOS, Linux
Support Community, Docs Community, Docs
Built for Solo, Small business, Mid-market, Enterprise Solo, Small business, Mid-market
Features TShark 5/5 · Zui 3/5
PCAP support ✓ ✓
Traffic decryption ✓ (best) Not checked yet
CLI tools ✓ ✓
Remote capture ✓ (best) Not checked yet
Flow analysis ✓ ✓
Specs
Deployment Both Both
Capture sources Both Local
Our review
Pros
  • Live and offline analysis with PCAP and PCAPNG support
  • Structured JSON, PDML, and fields output for automation
  • Remote capture, filtering, flow analysis, and TLS decryption support
  • Correlates Zeek events with Suricata alerts
  • Includes flow diagrams, pivots, queries, and PCAP export
  • Runs on Windows, macOS, and Linux at no cost
Cons
  • Command-line interface lacks Wireshark's graphical workflow
  • TLS decryption requires appropriate configured secrets or keys
  • No AI features for assisted analysis
  • Network capture is limited to local data
  • The release is described as legacy
  • Remote Zed access is not remote interface capture
Our verdict

TShark is the command-line network protocol analyzer included in the Wireshark distribution. It captures traffic from live network interfaces, reads saved PCAP and PCAPNG files, decodes protocols, applies capture and display filters, and…

Read the review →

Zui is a free desktop application for exploring, querying, and analyzing Zed lakes and packet-capture data. It is aimed at analysts investigating PCAP files with Zeek and Suricata, as well as teams working with local or remote Zed lake…

Read the review →
  1. TSharkNetwork Protocol Analyzers 9.2Free plan
  2. ZuiNetwork Protocol Analyzers 7.8Free plan

Strengths and trade-offs

  • TShark — where it wins

    • Live and offline analysis with PCAP and PCAPNG support
    • Structured JSON, PDML, and fields output for automation
    • Remote capture, filtering, flow analysis, and TLS decryption support

    Where it doesn't

    • Command-line interface lacks Wireshark's graphical workflow
    • TLS decryption requires appropriate configured secrets or keys
    • No AI features for assisted analysis
  • Zui — where it wins

    • Correlates Zeek events with Suricata alerts
    • Includes flow diagrams, pivots, queries, and PCAP export
    • Runs on Windows, macOS, and Linux at no cost

    Where it doesn't

    • Network capture is limited to local data
    • The release is described as legacy
    • Remote Zed access is not remote interface capture
  • TShark9.2/10 · Free plan

    A free, scriptable Wireshark-based analyzer for live captures, PCAP files, and protocol workflows.

    Visit WiresharkFull verdict →
  • Zui7.8/10 · Free plan

    A free, cross-platform desktop analyzer for PCAP, Zeek, Suricata, and Zed lakes.

    Visit ZuiFull verdict →

More comparisons

Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026

Last updated · How we research and update