Alternatives to Zui

NETCAP

NETCAP suits network analysts, security researchers and forensic investigators who work with live traffic or PCAP files.

Arkime

Arkime suits teams that need searchable network-session records and packet inspection, with the option to retain full packets or capture metadata only.

Capsa is aimed at network administrators and engineers in small businesses and enterprises who need packet capture and network diagnosis.

OpenGrep suits developers and organizations looking for a self-hosted source-code analysis tool.

Scapy

Scapy suits users who need customizable packet manipulation and network probing rather than fixed-purpose utilities.

NetworkMiner

NetworkMiner is for people investigating captured or live network traffic, including incident response teams, law enforcement, companies, and organizations.

PacketSnitch

PacketSnitch is aimed at security analysts, incident responders, forensics engineers, developers, CTF players and researchers who investigate packet captures.

termshark suits users who want to inspect packet captures in a terminal, including when analyzing them on a remote machine.

Wireshark suits network professionals, security experts, developers, and educators who need to inspect captured traffic.

Ettercap

Ettercap suits people performing network testing or analysis who need protocol dissection, packet filtering and host discovery.

Kismet

Kismet suits users who need wireless capture, monitoring, or wardriving and can work with its hardware and operating-system requirements.

It suits VoIP operators, call centres, enterprises, integrators, and managed service providers.

Omnipeek suits enterprises and service providers needing continuous packet analysis and troubleshooting.

tcpdump suits users who need a command-line tool for network monitoring and packet capture.

TShark suits users who need command-line capture and protocol analysis on Linux, macOS, or Windows, including workflows that pipe output to other programs.

RedSplice Network Analyzer

It is aimed at security researchers, forensic specialists, application or web developers, and network administrators who need to inspect or analyze captured traffic.