Best Sniff Alternatives & Competitors in 2026

Corelight Open NDR Platform

Network detection and response platform with IDS, NSM, and threat intel.

Nubeva SKI

TLS decryption solution that extracts session keys from memory for traffic inspection

cPacket Unified Observability Platform

Modular network observability platform for packet brokering, capture & analytics.

cPacket Network Observability Platform

Packet-based network observability platform for hybrid environments.

Cyberspatial Teleseer

Passive network intelligence platform for gov/defense with real-time visibility.

Allentis Tapics Copper TAP

Passive copper TAP range for non-intrusive Ethernet traffic monitoring.

Garland Technology EdgeLens

Bypass TAP/packet broker hybrid for before-and-after inline tool traffic analysis.

Netis Cloud Probe

An open source packet capture and forwarding tool that captures network packets on one machine and sends them to another for remote monitoring and analysis.

PF_RING ZC (Zero Copy)

High-performance packet capture library with zero copy functionality.

Stamus Networks Clear NDR

Network detection and response platform for threat detection and analysis

Absolute Insights for Network

Digital experience monitoring for network, device, and app performance

ManageEngine NetFlow Analyzer

Flow-based network traffic monitoring and bandwidth analysis tool

Array NTB Series

Network traffic broker for visibility, monitoring, and traffic optimization

TEHTRIS NTA

Network traffic analysis tool for real-time intrusion detection and monitoring

Gatewatcher TAP Qualifié

Qualified network TAPs for traffic duplication and network monitoring

Stamus Clear NDR

Network Detection and Response system for threat detection and response

Viettel VCS-NSM

Real-time network security monitoring for threat detection using DPI and sandbox

Corelight Investigator

SaaS-based NDR platform for threat investigation and Tier 1 workflows

Gigamon TLS/SSL Decryption

TLS/SSL decryption for network traffic visibility and security analysis

NETSCOUT Omnis Cyber Intelligence

NDR platform with DPI for network visibility, threat detection, and investigation

NIKSUN FlowAggregator™

Flow-based network monitoring platform for performance and security visibility

NIKSUN® NikOS Everest™

Network forensics platform with packet capture and analytics capabilities

Plixer One Security

Network visibility and security insights platform for IT environments

ScoutDNS Network Visibility

DNS-layer network visibility and monitoring with query logging and analytics

Cryptomage Cyber Eye™

Polish NDR appliance for network threat detection, forensics & GDPR compliance.

Genie Networks GenieATM FLB

Flow load balancer for distributing & filtering NetFlow records to collectors.

Kentik Network Security and Compliance

Network intelligence platform for detecting, and responding to security incidents

MetaFlows

Network security monitoring platform with IDS, PCAP capture, and asset discovery.

Repacket

Enterprise network monitoring via deep packet inspection & traffic classification.

Solana Networks SmartFlow

Flow-based network security monitoring tool using anomaly detection.

Trinity Cyber Full Content Inspection (FCI)

Network defense platform with real-time content inspection & threat blocking

Cynamics SOC-AI

Autonomous AI-powered NDR platform using a proprietary LLM for SOC automation.

EfficientIP SOLIDserver DDI

DDI platform with DNS security, DHCP, and IPAM for enterprise networks.

Cienaga Systems

AI-driven network security platform for MSPs serving SMBs.

Hyprfire Firebug

Managed NDR solution delivering network threat hunting via passive traffic metadata.

Exabeam NetMon

Network monitoring and detection solution for threat analysis

Arkime

Arkime is an open-source network capture and analysis tool that provides comprehensive network visibility, facilitating swift identification and resolution of security and network issues.

tcpdump

Tcpdump is a command-line packet analyzer for capturing and analyzing network traffic.

GQUIC Protocol Analyzer

A Zeek-based protocol analyzer that parses GQUIC traffic to extract connection metadata and create fingerprints for detecting anomalous network behavior.

Corelight Zeek

Open source network security monitoring tool for traffic analysis

FirstWave opFlow

NetFlow/IPFIX traffic analyzer for network visibility and anomaly detection.

Apache Spot (Incubating)

Apache Spot is an open source big data platform that analyzes network flows and packet data to identify security threats and provide visibility into enterprise computing environments.

pkt2flow

A tool for classifying packets into flows based on 4-tuple without additional processing.

Mercury

Network metadata capture and analysis tool

Netcap

Netcap efficiently converts network packets into structured audit records for machine learning algorithms, using Protocol Buffers for encoding.

Passive Network Audit Framework (PNAF) v0.1.2

Passive Network Audit Framework (PNAF) v0.1.2 provides passive network auditing capabilities and is now a project of COSMIC-Chapter of The Honeynet Project.

PFQ v6.2

PFQ v6.2 is a functional framework for Linux optimized for efficient packet capture/transmission and in-kernel processing.

Socket Sentry

A KDE Plasma 4 widget that displays real-time traffic information for active network connections on Linux computers.