Best NetFlow Traffic Analyzer Alternatives & Competitors in 2025

An advanced network monitoring solution to monitor network up/downtime, traffic and usage.

Key Paessler PRTG features:

Comprehensive Monitoring User-Friendly Interface Customization and Flexibility Scalability

See metrics from all of your apps, tools & services in one place with Datadog's cloud monitoring as a service solution. Try it for free.

Key Datadog features:

Comprehensive Monitoring Integration Ecosystem Scalability Real-Time Data

freemium $15.0 / Monthly (per host)

NinjaOne (Formerly NinjaRMM) provides remote monitoring and management software that combines powerful functionality with a fast, modern UI. Easily remediate IT issues, automate common tasks, and support end-users with powerful IT management tools.

Key NinjaOne features:

Self Service Portal Audit, Analysis and Compliance User Activity Monitoring Software Inventory

Try for free paid Free Trial

Spiceworks bundles network monitoring, helpdesk, UPS power management, PC inventory tools, an online community, and much more for free.

Key Spiceworks features:

Free of Cost Comprehensive Features Community Support Ease of Use

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

Key Zabbix features:

Open-source Scalability Comprehensive Monitoring Alerting and Notification

Open Source free

Complete monitoring and alerting for servers, switches, applications, and services.

Key Nagios features:

Extensive Community Support Highly Customizable Comprehensive Monitoring Alerting and Notification

Open Source

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

Key Wireshark features:

Comprehensive Protocol Support Free and Open-Source Cross-Platform Compatibility Rich Feature Set

Open Source

New Relic is a Software Analytics company that makes sense of billions of metrics across millions of apps. We help the people who build modern software understand the stories their data is trying to tell them.

Key NewRelic features:

Comprehensive Monitoring Real-Time Data Advanced Alerting User-Friendly Interface

Splunk's operational intelligence platform helps unearth intelligent insights from machine data.

Key Splunk features:

Powerful Data Analysis Real-Time Processing Scalability Wide Range of Integrations

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

Key SolarWinds NPM features:

Comprehensive Monitoring Customizable Dashboards and Alerts Scalability User-Friendly Interface

Zendesk is a beautiful, lightweight help-desk solution.

Key Zendesk features:

User-Friendly Interface Multi-Channel Support Customizability Robust Reporting and Analytics

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Over 100,000 organizations, across 185 countries, trust ServiceDesk Plus to optimize IT service desk performance and achieve high end user satisfaction.

Key ManageEngine ServiceDesk Plus features:

Incident Management Asset Management Project Management Problem Management

freemium $10.0 / Monthly (per technician, upto 5 technicians and 500 nodes)

Cacti is a complete network graphing solution. It provides a fast poller, advanced graph templating, multiple data acquisition methods, and user management features.

Key Cacti features:

Open Source Scalability Customization SNMP Support

Open Source

The Society of Critical Care Medicine (SCCM) is the largest non-profit medical organization dedicated to promoting excellence and consistency in the practice of critical care.

Key SCCM features:

Comprehensive Resources Professional Development Networking Opportunities Advocacy and Representation