NetVizura NetFlow Analyzer Alternatives

Track, record, alert and visualize performance and availability of IT resources

Open Source free

Abusix is a network security company that offers email threat protection and network abuse handling solutions to ISPs, Telcos, and Cloud/Hosting Providers to stop the rapidly growing problem of email-borne threats and other kinds of network abuse.

freemium

Ensure healthy website performance, uptime, and free from vulnerabilities. Automatic checks for SSL Certificates, domains and monitor issues with your websites all from one console and get instant notifications on any issues.

Try for free freemium $9.0 / Monthly (Lite plan)

FastNetMon is a very fast DDoS analyzer with sflow/netflow/mirror support.

Open Source freemium $115.0 / Monthly (for 10G of bandwidth)

Observium

Wireshark is a network protocol analyzer for Unix and Windows. It lets you capture and interactively browse the traffic running on a computer network.

Open Source

Centreon is a network, system, applicative supervision and monitoring tool.

Open Source

A fully featured network monitoring system that provides a wealth of features and device support.

Open Source

IPAM and DNS for Telecoms

Performance monitoring and analytics that assures the uptime and performance of your cloud & on-premises in real-time. Maximize Performance. Minimize Downtime. Forget Complexity.

NfSen is a graphical web based front end for the nfdump netflow tools that allows you to:

ThousandEyes is a Network Intelligence platform that delivers visibility into every network your organization relies on.

NetCrunch IT Monitoring Platform is easy to start and enterprise scalable. It allows monitoring of systems, logs, applications, cloud and SNMP devices.

Advanced network monitoring for on-premises, hybrid, and cloud. Download a FREE 30-day trial of SolarWinds Network Performance Monitor (NPM) today!