ntopng alternatives

3 tools to consider instead of ntopng, shown against it.

ntopng Kentik LibreNMS Zabbix
Vendor ntop Kentik, Inc. LibreNMS community Zabbix SIA
Pricing model Free tier + paid plans Usage-based Open source + paid options Open source + paid options
Free tier Yes No Yes Yes
Deployment Self-hosted Cloud Self-hosted Self-hosted, Cloud
Open source Yes (GPL-3.0) No Yes (GPL-3.0) Yes (AGPL-3.0)
Best for Network admins who want free, self-hosted real-time traffic visibility with an optional paid upgrade path. Network engineering teams who need traffic-flow visibility and peering/capacity analytics inside their own network. Teams wanting a free, community-run monitoring platform with no vendor upsell path. Teams that want a free, unlimited, self-hosted monitoring platform with an optional paid support contract.
Pricing

Community edition is free and open source; Pro and Enterprise M/L/XL/XXL editions are paid, priced per instance.

Pro €299
Enterprise M/L/XL/XXL from €699

Prices read from the vendor's own page on September 21, 2026. Vendors change prices; check the source before you budget.

Annual-contract subscription scaled by flow volume and features; Pro tier has a published starting price, Premier is negotiated.

Pro from $2,000/month
Premier custom

Prices read from the vendor's own page on September 21, 2026. Vendors change prices; check the source before you budget.

Entirely free and open source; no official paid edition. Commercial support is available only through independent partners.

Pricing has not been verified yet — see the vendor's site.

The software is free and fully featured with no host/metric limits; paid tiers are optional support subscriptions, not feature gates.

Silver from €245/month
Gold from €660/month

Prices read from the vendor's own page on September 21, 2026. Vendors change prices; check the source before you budget.

Features
  • Real-time top-talkers and traffic visualization
  • Layer-7 application/protocol detection
  • NetFlow/sFlow ingestion
  • Historical traffic reporting (paid editions)
  • Host and interface traffic maps
  • REST API and Grafana integration
  • Behavioral traffic alerting
  • NetFlow/sFlow/IPFIX ingestion at scale
  • BGP route and peering analytics
  • Cloud VPC flow log analytics (AWS, Azure, GCP)
  • DDoS detection and mitigation triggers
  • Synthetic and agent-based path testing
  • Capacity planning and traffic forecasting
  • SQL-like ad hoc query interface
  • SNMP/LLDP/CDP auto-discovery
  • Interface, CPU, memory and sensor graphing
  • Alerting with customizable rules
  • Distributed polling for large environments
  • REST API
  • Billing/traffic accounting module
  • Plugin and integration ecosystem
  • SNMP, agent-based and API-based monitoring
  • Unlimited hosts, metrics, users and alerts
  • Auto-discovery and low-level discovery rules
  • Customizable dashboards and triggers
  • Distributed monitoring with proxies
  • Built-in anomaly detection and trend prediction
  • Web-based configuration and templates

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