Alternatives to VIAVI Observer Analyzer

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.

It suits SecOps and SOC analysts, DevOps and NetOps engineers, and security consultants or pentesters who need to inspect capture files.

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.

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

Sniffnet is intended for people who want to monitor network activity, including users who find other network analyzers difficult to understand.

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

NetWitness Platform

NetWitness describes the platform for large, complex enterprises and says it serves enterprise and government customers.

It suits security researchers and network administrators analyzing captured or live traffic.

It suits information security specialists, system administrators, students, researchers, hackers, engineers, and developers analyzing PCAP traffic.

Malcolm

Malcolm suits security operations teams, incident responders and people monitoring smaller or home networks.

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

netsniff-ng suits Linux users doing packet capture, trace analysis, debugging, auditing, or network reconnaissance.

It suits Android users who need local traffic capture, connection inspection, or exports for analysis.

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.

Xplico suits investigators and administrators analyzing captured network traffic on Linux or Unix-like systems.

Zui

Zui suits people exploring Zed lakes or analyzing packet captures on Linux, macOS, or Windows.