Self-hosted network monitoring: 15 platforms compared
Network monitoring is the one category where self-hosting is still normal. So residency rarely separates these tools. What does is polling interval, licensing basis, and whether the tool can watch several sites without exposing them. A tool that polls every five minutes and charges per device quietly decides how much of your estate you watch.
nPro publishes this comparison. Where nPro appears as one of the platforms listed, its card is marked and its scores are our own assessment. Third-party review scores are sourced from public vendor profiles. Structural facts are verifiable against each vendor's documentation: deployment model, licensing basis and residency.
15 platforms
nPro EMS
NPRO TECH Sdn. Bhd.
Self-hosted only: publisher of this comparison.
Reviews
—
Licensing
$4.50/agent/mo
Average score
8.1
- +One-second polling resolution on a ClickHouse backend, so high-frequency collection is affordable.
- +Ships with XDR and SIEM on the same stack, so network and security events share one timeline.
- +Distributed probes report centrally without exposing remote sites to the internet.
- −Device and vendor template library is far smaller than the established monitoring tools here.
- −Priced per agent rather than unlimited-device, which suits mixed estates less well than pure network ones.
Best for Teams who want network and security monitoring on one platform rather than two.
Watch out If you only need network monitoring, the specialists in this table have deeper device coverage.
Zabbix
Zabbix LLC
Open source: AGPLv3, no device limit.
Reviews
G2 4.3 (209)
Licensing
Free; paid support available
Average score
7.8
- +Genuinely free with no device or metric ceiling at any scale.
- +Proxies allow distributed collection across sites and network boundaries.
- +Very flexible templating and trigger logic once you understand the model.
- −Steep initial learning curve. The configuration model is powerful but unintuitive.
- −Database sizing and housekeeping become a real operational job at scale.
Best for Engineering-capable teams wanting unlimited scale with no licence cost.
Watch out Budget engineering time, not licence budget. That is where the cost actually lands.
Zabbix vs nPro EMS →PRTG Network Monitor
Paessler
Sensor-based licensing.
Reviews
G2 4.7 (213)
Licensing
Per sensor
Average score
7.6
- +Among the fastest platforms here to get from installer to useful dashboard.
- +Auto-discovery and prebuilt sensors cover most common devices out of the box.
- +Remote probes handle multi-site collection cleanly.
- −Sensor-based licensing gets expensive quickly. Each monitored metric consumes a sensor.
- −Windows-only server, which is a constraint for Linux-centric infrastructure teams.
Best for SMB and mid-market teams wanting quick setup without deep monitoring expertise.
Watch out Count sensors carefully before buying. Real estates consume far more than expected.
PRTG Network Monitor vs nPro EMS →LibreNMS
LibreNMS community
Open source: GPLv3, auto-discovery led.
Reviews
G2 4.6 (16)
Licensing
Free
Average score
7.5
- +Excellent auto-discovery across a very wide range of network vendors.
- +Free with no device limit, and a distributed poller model for larger estates.
- +Strong fit for ISP and service provider environments.
- −Polling interval is conventionally five minutes. It is not built for sub-minute resolution.
- −Alerting and reporting are functional rather than polished.
Best for Network teams and service providers wanting broad device coverage at no licence cost.
Watch out If you need second-level granularity, this is the wrong tool architecturally.
LibreNMS vs nPro EMS →Nagios XI
Nagios Enterprises
The long-standing incumbent.
Reviews
G2 4.5 (58)
Licensing
Per node (XI); Core is free
Average score
6.9
- +Enormous plugin ecosystem built up over two decades.
- +Self-hosted with a long track record in conservative environments.
- +Very widely understood, so skills are easy to hire for.
- −Configuration and interface feel dated next to anything else in this table.
- −Node-based licensing on XI, and the free Core edition requires substantial assembly.
Best for Existing Nagios estates and teams that value ecosystem breadth over modern UX.
Watch out Evaluate the interface directly with the people who will use it daily.
Nagios XI vs nPro EMS →Checkmk
Checkmk GmbH
Open core: Community edition free.
Reviews
G2 4.7 (306)
Licensing
Free (Community) / per service (Pro)
Average score
7.7
- +Rule-based configuration scales far better than per-host definitions.
- +Free Community edition is genuinely capable rather than a limited trial.
- +Distributed monitoring is a first-class feature, not an add-on.
- −Enterprise features including advanced reporting sit behind paid editions.
- −Smaller community than Zabbix or Nagios, so fewer third-party templates.
Best for Teams wanting a modern open-core platform that scales without per-device cost.
Watch out Confirm which features you need are in Community before assuming the free edition suffices.
Checkmk vs nPro EMS →Icinga
Icinga GmbH
Open source: Nagios fork, modernised.
Reviews
G2 4.4 (22)
Licensing
Free; paid support available
Average score
7.6
- +Free and open source with no device ceiling, and a far better interface than Nagios Core.
- +Configuration as code fits infrastructure-as-code workflows well.
- +Clustering and zones handle distributed and segmented networks properly.
- −Initial setup is genuinely involved. Expect to spend real time on it.
- −Documentation assumes a level of familiarity that newcomers often lack.
Best for Infrastructure teams who want configuration as code and no licence cost.
Watch out This rewards investment; it punishes teams looking for something quick.
Icinga vs nPro EMS →Observium
Observium Limited
Auto-discovery, low maintenance.
Reviews
G2 4.2 (13)
Licensing
Free (Community) / annual (Professional)
Average score
7.2
- +Close to zero-configuration for SNMP devices. Discovery does most of the work.
- +Very light operational burden once running.
- +Good long-term trending and interface statistics for network estates.
- −Deliberately limited alerting compared with the alerting-first platforms here.
- −Community edition updates infrequently; the subscription edition is the maintained one.
Best for Network teams wanting trending and visibility with minimal ongoing effort.
Watch out If alerting and response workflow matter, pair this with something else or look elsewhere.
Observium vs nPro EMS →SolarWinds NPM
SolarWinds
Enterprise incumbent.
Reviews
—
Licensing
Per element
Average score
7.5
- +Polished interface and mature topology mapping.
- +Deep device support and a large module ecosystem across the Orion platform.
- +Self-hosted, with strong enterprise reporting.
- −Element-based licensing makes this among the most expensive options at scale.
- −Reputational overhang from the 2020 supply chain compromise still features in security reviews.
Best for Enterprises wanting a polished commercial platform with broad device coverage.
Watch out Model element counts carefully, and expect security review questions about the vendor.
SolarWinds NPM vs nPro EMS →ManageEngine OpManager
Zoho / ManageEngine
Commercial, SMB-friendly pricing.
Reviews
G2 4.5 (235)
Licensing
Per device
Average score
7.7
- +Considerably cheaper than the enterprise incumbents for comparable coverage.
- +Quick to deploy with sensible defaults and good auto-discovery.
- +Integrates with the wider ManageEngine estate including Log360.
- −Device-count licensing still applies, and add-ons accumulate.
- −Depth of analysis trails the specialist platforms at the top of this table.
Best for SMB and mid-market teams wanting commercial support without enterprise pricing.
Watch out Check which capabilities are core and which are separately licensed add-ons.
ManageEngine OpManager vs nPro EMS →Auvik
Auvik Networks
Cloud-managed, MSP-oriented.
Reviews
G2 4.5 (380)
Licensing
Per billable device
Average score
6.5
- +Fastest time to value of anything in this table. Add a collector and you are running.
- +Automated topology mapping and configuration backup are genuinely strong.
- +Multi-tenant model is purpose-built for managed service providers.
- −SaaS only. Network data leaves your environment, which rules it out under residency constraints.
- −Per-billable-device pricing adds up across large or device-dense estates.
Best for MSPs wanting fast multi-client onboarding with no infrastructure to run.
Watch out No self-hosted option at all. That is a hard stop for regulated or air-gapped networks.
Auvik vs nPro EMS →Datadog Network Monitoring
Datadog
Observability suite module.
Reviews
—
Licensing
Per host + flow volume
Average score
6.8
- +Best-in-class dashboards and correlation with application and infrastructure telemetry.
- +Very large integration catalogue across cloud and on-premises sources.
- +Cloud Network Monitoring ties flow data to service dependencies.
- −SaaS only, and among the most expensive options once host and flow volume are counted.
- −Cost visibility is poor until the first full month's bill arrives.
Best for Cloud-native teams already standardised on Datadog for observability.
Watch out Model the bill against realistic host and flow volume before committing.
Datadog Network Monitoring vs nPro EMS →Netdata
Netdata Inc.
Per-second metrics, open source agent.
Reviews
G2 4.6 (54)
Licensing
Free agent (5-node cap) / per-node paid tiers
Average score
7.1
- +Per-second granularity out of the box with essentially no configuration.
- +Open-source agent keeps metrics on your hosts; a fully on-premises deployment is an enterprise-tier option.
- +Install to useful dashboard in minutes on a single host.
- −Host-centric rather than network-centric. SNMP and flow coverage is secondary.
- −The managed cloud layer is where multi-node features concentrate, which pulls data outward.
Best for Teams wanting high-resolution host metrics with minimal setup.
Watch out This is not a replacement for an SNMP-led network monitoring platform.
Netdata vs nPro EMS →Cacti
The Cacti Group
Open source: RRDtool graphing.
Reviews
—
Licensing
Free
Average score
6.7
- +Free, stable and extremely light on resources.
- +Long-established SNMP graphing with a large body of community templates.
- +Runs happily on modest hardware in small or isolated environments.
- −Graphing-first: alerting requires plugins and is not a core strength.
- −Interface and workflow are dated, and development pace is slow.
Best for Small or isolated networks needing long-term interface graphing at no cost.
Watch out Treat this as a graphing tool rather than a monitoring and alerting platform.
Cacti vs nPro EMS →WhatsUp Gold
Progress Software
Commercial, Windows-based.
Reviews
G2 4.4 (388)
Licensing
Points / per device
Average score
7.1
- +Straightforward setup with strong Layer 2 and Layer 3 discovery mapping.
- +Self-hosted with clear point-based licensing.
- +Good hybrid cloud and on-premises visibility in one view.
- −Windows server requirement limits it in Linux-first environments.
- −Point-based licensing and add-on modules make total cost harder to forecast.
Best for Windows-centric SMB and mid-market networks wanting commercial support.
Watch out Add up the modules you actually need. The base licence covers less than it appears.
WhatsUp Gold vs nPro EMS →Capability matrix
| Capability | NP | ZB | PR | LN | NG | CM | IC | OB | SW | OM | AU | DD | ND | CA | WU |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Self-hosted deployment | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | — | — | ~ | ✓ | ✓ |
| Fully air-gapped operation | ✓ | ✓ | ~ | ✓ | ✓ | ✓ | ✓ | ✓ | ~ | ~ | — | — | ~ | ✓ | ~ |
| Open-source core | — | ✓ | — | ✓ | ~ | ~ | ✓ | ~ | — | — | — | — | ✓ | ✓ | — |
| Agentless SNMP / WMI collection | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ~ | ~ | ✓ | ✓ |
| NetFlow / sFlow analysis | ✓ | ~ | ✓ | ~ | ~ | ~ | ~ | ✓ | ✓ | ✓ | ✓ | ✓ | — | ~ | ✓ |
| Sub-minute polling | ✓ | ✓ | ✓ | — | ~ | ✓ | ✓ | — | ~ | ~ | ~ | ✓ | ✓ | — | ~ |
| Auto-discovery and topology mapping | ✓ | ✓ | ✓ | ✓ | ~ | ✓ | ~ | ✓ | ✓ | ✓ | ✓ | ~ | ~ | ~ | ✓ |
| Distributed remote probes | ✓ | ✓ | ✓ | ✓ | ~ | ✓ | ✓ | ~ | ✓ | ✓ | ✓ | ✓ | ~ | ~ | ~ |
| No per-device licence cap | ~ | ✓ | — | ✓ | — | — | ✓ | ~ | — | — | — | — | ~ | ✓ | — |
| Bundled security monitoring | ✓ | ~ | — | — | — | ~ | — | — | ~ | ~ | — | ~ | — | — | — |
| Deploys in under one day | ✓ | ~ | ✓ | ~ | — | ✓ | — | ~ | ~ | ✓ | ✓ | ✓ | ✓ | — | ✓ |
✓ supported · ~ partial or requires an add-on · — not available
How to read this comparison
Polling interval and licensing basis matter more than feature lists. Charge per device, and teams monitor fewer devices. Poll every five minutes, and short faults go unseen.
Ask what happens across sites. Watching several locations without exposing each one to the internet is where many capable tools get awkward. A feature table rarely shows this.
Residency matters less here than in the other categories. Self-hosting is still the norm for network monitoring. So spend your attention on licensing basis and day-to-day effort instead.
Compare two platforms
Comparison data last verified 2026-10-06. Vendors change packaging frequently — tell us if anything here is out of date and we will correct it.