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Alternatives · 2026

The best Zui alternatives

The rest of Best Network Protocol Analyzers, in this site's order: each with what it costs, where it runs and its record score.

1
NETCAP

NETCAP suits people working with network traffic for analysis, security research, machine learning, or forensics.

WebWindowsMac+3 €49 a month Record5.8 Visit
2
Colasoft Capsa

Capsa is aimed at small business and enterprise users, including network administrators and engineers.

Windows $295 one-time Record5.5 Visit
3
A-Packets

A-Packets suits incident response, forensics, and network teams that need to inspect saved PCAP or PCAPNG captures.

WebLinuxAPI+1 $99 a year Record5.4 Visit
4
Wireshark

Wireshark suits network professionals, security experts, developers, and educators who need protocol inspection or packet analysis.

WindowsMacLinux+2 Free plan Record5.4 Visit
5
NetworkMiner

NetworkMiner suits incident response, law enforcement, and other users who need to inspect captured traffic or sniff live traffic.

WindowsMacLinux $1,300 one-time Record5.3 Visit
6
termshark

It suits network troubleshooters who want to inspect captures in a terminal, including on remote machines.

AndroidWindowsMac+1 Free plan Record5.2 Visit
7
OpenGrep

OpenGrep suits developers and organizations looking for self-hosted source-code analysis across its supported languages.

WindowsMacLinux+2 Free plan Record5.1 Visit
8
PacketSnitch

PacketSnitch is intended for security analysts, incident responders, forensics engineers, developers, CTF players, and researchers.

WindowsMacLinux Free plan Record5.1 Visit
9
Arkime

Arkime suits network operators who need searchable session records and packet inspection in a self-hosted environment.

WebLinuxAPI+1 Free plan Record5.0 Visit
10
Scapy

Scapy suits developers, IT and network professionals, researchers, system administrators, and telecommunications users who need customizable packet…

WebWindowsMac+3 Free plan Record5.0 Visit
11
VoIPmonitor

It suits VoIP operators, call centres, enterprises, integrators, and managed service providers needing Linux-based call monitoring.

WebLinuxAPI+1 $259 a year Record5.0 Visit
12 Windows $149 a year Record4.8 Visit
13
Kismet

Kismet suits users who need wireless capture or intrusion detection and can work with its hardware and driver requirements.

WindowsMacLinux+2 Free plan Record4.8 Visit
14
TShark

TShark suits users who want command-line tools to capture or analyze network traffic, filter protocol data, or pass packet output to scripts.

WindowsMacLinux Free plan Record4.8 Visit
15
tcpdump

It suits users who need command-line network monitoring and packet capture.

WindowsMacLinux Free plan Record4.7 Visit
16
Ettercap

Ettercap suits users doing network testing and analysis who need traffic inspection, protocol dissection, or host analysis.

MacLinuxSelf-hosted Free plan Record4.6 Visit
17 WebMacLinux+2 Free plan Record4.6 Visit
18 Windows $129 one-time Record4.6 Visit
19
RedSplice Network Analyzer

RedSplice suits security researchers, forensic specialists, developers, and network administrators analyzing packet captures and sessions.

Free plan Record4.6 Visit
20
EtherApe

EtherApe is intended for Linux desktop users and system administrators who want a visual view of network traffic.

Linux Free plan Record4.4 Visit
21 WebLinuxAPI+1 — Record4.4 Visit
22 Web Free plan Record4.2 Visit
23 Linux Free plan Record4.2 Visit
24
Omnipeek

It suits enterprises and service providers needing continuous network monitoring and troubleshooting.

WebWindows — Record4.2 Visit