Side by side

LibreNMS vs NetCrunch

Both stand on network monitoring. Which one you can start free with, which one lets you read the code, and what each costs once you pay.

LibreNMS

Free plan AndroidAPIiPhone+3

LibreNMS provides broad network discovery, alerting, and monitoring capabilities at no listed plan cost. It is self-hosted, with community help and partner-provided commercial support available.

Visit LibreNMS

NetCrunch provides broad agentless monitoring, flow analysis, topology views, integrations, and enterprise automation options. Its Windows Server deployment and quote-based paid plans make it best suited to organizations evaluating infrastructure scale and edition requirements.

Visit NetCrunch

The facts

	LibreNMS	NetCrunch
Free plan	Yes	A free trial
Open source	Not published	Not published
Runs on	Android, API, iPhone, Linux, Self-hosted, Web	API, Self-hosted, Web, Windows
Lowest paid plan	Free or on request	Free or on request
Plans published	1	4
Maker	Not published	Not published
Website	librenms.org	adremsoft.com
On network monitoring	#11 of 57	#39 of 57

LibreNMS: what it does well

Automatic discovery supports multiple network protocols
Distributed polling supports horizontal scaling
Two-factor authentication is documented
Native iPhone and Android apps provide core functionality

What to know first

Self-hosted deployment requires installation
Commercial SLA-backed support is offered through partners

NetCrunch: what it does well

More than 680 built-in monitoring targets
Automatic topology maps and live dashboards
Supports major flow-monitoring protocols
Offers Microsoft Teams, Slack, and PagerDuty integrations
Enterprise includes REST API and MCP server

What to know first

Runs on 64-bit Windows Server
No free plan is offered
Pricing requires a tailored request
Trial evaluation caps monitoring at 10,000 nodes or interfaces

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