Best Zui Alternatives in 2026
The top Zui alternatives are Wireshark, TShark and Scapy: 15 network protocol analyzers our editors would look at instead of Zui, in our ranking order.
Zui: A free, cross-platform desktop analyzer for PCAP, Zeek, Suricata, and Zed lakes. Where it falls short: network capture is limited to local data.
Switching from Zui? For most network protocol analyzers buyers the best Zui alternative is Wireshark, built for broad, free desktop packet analysis.
Why People Look for a Zui Alternative
- Network capture is limited to local data
- The release is described as legacy
- Remote Zed access is not remote interface capture
Quick Picks by What You Need
- Best overallWireshark9.4
Broad, free desktop packet analysis
Visit Wireshark - Best free optionWireshark9.4
Has a free plan
Visit Wireshark
All 15 Zui Alternatives, Ranked
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.
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Best forBroad, free desktop packet analysis
- Better than Zui:
- Editor score 9.4 vs 7.8
A broad, free desktop analyzer for live captures, PCAP files, filtering, and protocol inspection.
- Traffic decryption
- Remote capture
- CLI tools
9.4/10★★★★★Visit Wireshark -
Best forScriptable packet analysis
- Better than Zui:
- Editor score 9.2 vs 7.8
A free, scriptable Wireshark-based analyzer for live captures, PCAP files, and protocol workflows.
- Traffic decryption
- Remote capture
- CLI tools
9.2/10★★★★★Visit Wireshark -
Best forProgrammable packet crafting and analysis
- Better than Zui:
- Editor score 9.0 vs 7.8
A free, programmable toolkit for crafting, capturing, decoding, and analyzing packets.
- Traffic decryption
- Remote capture
- CLI tools
9.0/10★★★★☆Visit Scapy -
Best forWireless packet capture and monitoring
- Better than Zui:
- Editor score 8.9 vs 7.8
A flexible, free toolkit for wireless capture, monitoring, analysis, and distributed sensors.
- Traffic decryption
- Remote capture
- CLI tools
8.9/10★★★★☆Visit Kismet -
Best forLightweight command-line capture
- Better than Zui:
- Editor score 8.8 vs 7.8
Free, open-source capture with strong filtering and PCAP support, but limited analysis depth.
- Traffic decryption
- Remote capture
- CLI tools
8.8/10★★★★☆Visit tcpdump -
Best forSearchable, server-based packet investigations
- Better than Zui:
- Editor score 8.7 vs 7.8
A server-based Arkime system for searchable packet investigations and session analysis.
- Remote capture
- CLI tools
- PCAP support
8.7/10★★★★☆Visit Arkime -
Best forTraffic interception and Wi-Fi decryption
- Better than Zui:
- Editor score 8.6 vs 7.8
A free desktop analyzer for traffic interception, PCAP work, and Wi-Fi decryption.
- Traffic decryption
- Remote capture
- CLI tools
8.6/10★★★★☆Visit Ettercap -
Best forPCAP artifact extraction on Windows
- Better than Zui:
- Editor score 8.4 vs 7.8
A focused Windows-first choice for extracting evidence from PCAP and live captures.
- Remote capture
- CLI tools
- PCAP support
8.4/10★★★★☆Visit NetworkMiner -
Best forWindows packet analysis with VoIP support
- Better than Zui:
- Editor score 8.3 vs 7.8
A capable Windows analyzer with broad capture tools and optional VoIP support.
- Traffic decryption
- Remote capture
- PCAP support
8.3/10★★★★☆Visit CommView -
Best forWindows packet analysis with built-in diagnosis
- Better than Zui:
- Editor score 8.2 vs 7.8
A Windows-focused analyzer combining packet inspection, diagnosis, replay, and security analysis.
- Traffic decryption
- CLI tools
- PCAP support
8.2/10★★★★☆Visit Colasoft -
Best forInteractive terminal packet inspection
- Better than Zui:
- Editor score 8.1 vs 7.8
A focused terminal analyzer for interactive PCAP and live traffic inspection.
- Remote capture
- CLI tools
- PCAP support
8.1/10★★★★☆Visit termshark -
Best forVisual Linux traffic mapping
- Better than Zui:
- Editor score 8.0 vs 7.8
A free, visual analyzer for mapping live and captured Linux network traffic.
- CLI tools
- PCAP support
8.0/10★★★★☆Visit EtherApe -
Best forTelecom, mobile, and voice protocol analysis
- Better than Zui:
- Editor score 7.9 vs 7.8
Specialized telecom analysis with deep protocol decoding, correlation, and voice metrics.
- Traffic decryption
- Remote capture
- PCAP support
7.9/10★★★★☆Visit GL PacketScan -
Best forLarge-scale flow and traffic analytics
A broad packet and flow analytics platform for enterprise-scale network investigations.
- Remote capture
- CLI tools
- PCAP support
7.7/10★★★★☆Visit Trisul -
Best forManaged enterprise packet analysis
Enterprise packet analysis with Wireshark compatibility, automation, and deep search.
- Traffic decryption
- PCAP support
7.6/10★★★★☆Visit CloudShark
Zui Alternatives: Common Questions
What is the best alternative to Zui?
Wireshark: #1 in our Network Protocol Analyzers ranking, with an editor score of 9.4 out of 10. A broad, free desktop analyzer for live captures, PCAP files, filtering, and protocol inspection.
Is there a free alternative to Zui?
Yes. Wireshark, TShark, Scapy, Kismet and tcpdump have a free plan or a free tier (11 of the 15 alternatives on this page).
Why do people look for Zui alternatives?
Network capture is limited to local data; The release is described as legacy; Remote Zed access is not remote interface capture.
How do I switch from Zui?
Export your data from Zui (most tools have an export in their settings). Sign up for the alternative; start on its free plan or trial if it has one. Import your export and set up the integrations your team relies on. Run both side by side for a short while, then cancel Zui.
How to Switch from Zui
- Export your data from Zui (most tools have an export in their settings).
- Sign up for the alternative; start on its free plan or trial if it has one.
- Import your export and set up the integrations your team relies on.
- Run both side by side for a short while, then cancel Zui.
Zui vs Each Alternative
| # | Tool | Free plan | Paid from | Deployment | Capture sources | PCAP support | Traffic decryption | Score |
|---|---|---|---|---|---|---|---|---|
| 14 | Zui | Yes | Free | Both | Local | Yes | 7.8 | |
| 1 | Wireshark | Yes | Free | Desktop | Both | Yes | Yes | 9.4 |
| 2 | TShark | Yes | Free | Both | Both | Yes | Yes | 9.2 |
| 3 | Scapy | Yes | Free | Both | Both | Yes | Yes | 9.0 |
| 4 | Kismet | Yes | Free | Both | Both | Yes | Yes | 8.9 |
| 5 | tcpdump | Yes | Free | Both | Both | Yes | Yes | 8.8 |
| 6 | Arkime | Yes | Free | Server | Both | Yes | No | 8.7 |
| 7 | Ettercap | Yes | Free | Desktop | Both | Yes | Yes | 8.6 |
| 8 | NetworkMiner | Yes | $1,300/user one-time | Desktop | Both | Yes | No | 8.4 |
| 9 | CommView | No | Both | Both | Yes | Yes | 8.3 | |
| 10 | Colasoft Capsa | Yes | $695 one-time | Desktop | Local | Yes | Yes | 8.2 |
| 11 | termshark | Free | Both | Both | Yes | 8.1 | ||
| 12 | EtherApe | Yes | Free | Desktop | Both | Yes | 8.0 | |
| 13 | GL PacketScan | Both | Both | Yes | Yes | 7.9 | ||
| 14 | Trisul Network Analytics | No | Server | Both | Yes | No | 7.7 | |
| 15 | CloudShark | No | Server | Both | Yes | Yes | 7.6 |
Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026
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