Networking · head to head
LibreNMS vs Splunk
LibreNMS
Networking
Free, community-driven network monitoring with commercial support sold by a third-party partner, not the project itself
- From
- Free
- Rated
- -
The short version
- Only LibreNMS has a free tier, so it costs nothing to try first.
- Each has a real cost: LibreNMS there is no official LibreNMS company; commercial support runs through a single designated third-party partner, Config Services Ltd, rather than a broad vendor support market; Splunk no prices are published on any plan; every model requires contacting sales for an estimate
- They diverge on capability: LibreNMS covers SNMP auto-discovery, Splunk covers Log aggregation.
- Prices and features above were last checked on 1 September 2026.
Where they differ
Only the attributes on which LibreNMS and Splunk actually diverge.
Identical on both: user rating (Not yet rated), category (Networking).
What each one covers
Drawn from each product's published feature list. An absence here means we hold no record of it - not that the product lacks it.
Only in LibreNMS
- SNMP auto-discovery
- Device and OS support
- Alerting
- Distributed polling
Only in Splunk
- Log aggregation
- Real-time monitoring
- Data visualization
- Full-text search
- Custom dashboards
- Alert management
- Anomaly detection
- Log parsing
Both cover
- API
What people use each for
The jobs each tool is most often brought in to do.
LibreNMS
- A network team wanting SNMP-based device monitoring with zero licence cost and full control over the deploymentnot Splunk
- An organisation with in-house Linux and networking expertise that does not need a vendor support contractnot Splunk
- A team wanting an alternative to Icinga that is focused specifically on network device polling rather than general infrastructure monitoringnot Splunk
- A company wanting SLA-backed support for LibreNMS but without wanting to build that capability in-house, contracting the designated partner insteadnot Splunk
Splunk
- Log search and analysis across infrastructurenot LibreNMS
- SIEM, SOAR and UEBA for a security operations teamnot LibreNMS
- Application performance and infrastructure monitoringnot LibreNMS
- Cloud, private cloud or on-premises deploymentnot LibreNMS
Where each one falls short
Documented limitations, not opinions. Every one is a constraint you would hit in normal use.
LibreNMS
- There is no official LibreNMS company; commercial support runs through a single designated third-party partner, Config Services Ltd, rather than a broad vendor support market
- Self-hosting and maintaining LibreNMS requires real Linux and SNMP expertise, and there is no vendor obligated to fix issues without a separate paid support arrangement
- Device and OS support quality varies because it is community-contributed, so obscure or newer hardware may have thinner or less accurate polling templates than mainstream vendors
- The web interface, while functional, is less polished out of the box than commercial tools like PRTG, and dashboard customisation takes more manual configuration
- Scaling to a very large device count requires manually configuring distributed polling, which is more operational work than a SaaS tool that scales transparently
- Project direction depends on community and contributor priorities rather than a company roadmap, so feature development pace and priorities can be less predictable than a commercial vendor's
Splunk
- No prices are published on any plan; every model requires contacting sales for an estimate
- Three separate pricing models, workload, ingest and entity, so the same deployment costs different amounts depending on which was signed
- Ingest pricing bills on data volume, so cost tracks how much you log rather than how much value you get from it
- Security, observability and platform are priced separately
Pricing, plan by plan
LibreNMS
Free- LibreNMSFree
- Full functionality
- No usage limits
- Community forum and GitHub support
Splunk
On request- Observability Cloud - Infrastructure$15/month
- Infrastructure monitoring for per host/month pricing
- Unlimited users and ability to scale to petabytes of data
- Observability Cloud - App & Infra$60/month
- App and infrastructure monitoring for per host/month pricing billed annually
- Observability Cloud - End-to-End$75/month
- End-to-end observability for per host/month pricing billed annually
- On-Call$5/month
- On-call management for per user per month pricing billed annually
- Covers up to 10 seats
Which should you pick?
Choose LibreNMS if
- You need snmp auto-discovery.
- You want to start without paying.
- You work on Linux, Web.
- You also want device and os support.
Choose Splunk if
- You need log aggregation.
- You work on Web, Api.
- You also want real-time monitoring.
Questions people ask
- Is LibreNMS or Splunk better?
- Neither clearly leads. LibreNMS starts at Free and Splunk at On request, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
- Which is cheaper, LibreNMS or Splunk?
- LibreNMS has a free tier; the other does not. Paid plans start at Free for LibreNMS and On request for Splunk.
- Does LibreNMS or Splunk run on more platforms?
- LibreNMS runs on Linux, Web. Splunk runs on Web, Api.
- Can I use LibreNMS for free?
- Yes. LibreNMS has a free tier, so you can try it without paying. Splunk starts at On request.
- What is LibreNMS best used for?
- LibreNMS is most often used for a network team wanting snmp-based device monitoring with zero licence cost and full control over the deployment, an organisation with in-house linux and networking expertise that does not need a vendor support contract, a team wanting an alternative to icinga that is focused specifically on network device polling rather than general infrastructure monitoring, a company wanting sla-backed support for librenms but without wanting to build that capability in-house, contracting the designated partner instead. Of those, a network team wanting snmp-based device monitoring with zero licence cost and full control over the deployment and an organisation with in-house linux and networking expertise that does not need a vendor support contract are not what Splunk is typically brought in for.
- What can LibreNMS do that Splunk cannot?
- LibreNMS covers SNMP auto-discovery, Device and OS support, Alerting, Distributed polling. Splunk covers Log aggregation, Real-time monitoring, Data visualization, Full-text search. Both handle API.
Answered from the vendors’ own pages
LibreNMS: Is LibreNMS really free with no paid tier of the software?
Yes, the software itself has no licence fee; only optional third-party support is paid.
Splunk: What is Splunk's pricing model?
Splunk offers activity-based, ingest, or workload pricing options depending on the product. Splunk Observability Cloud and AppDynamics use per-host or per-vCPU monthly pricing billed annually. Splunk Cloud Platform and Splunk Enterprise require custom quotes from sales.
SourceLibreNMS: Who provides paid support?
Config Services Ltd is the designated partner offering SLA-backed support and consultancy for LibreNMS.
Splunk: How much does Splunk Enterprise cost?
Splunk Enterprise pricing requires contact with sales. The vendor offers data-ingest or workload pricing options, supports unlimited users, and can scale to petabytes of data, but specific rates are not published online.
SourceLibreNMS: Does LibreNMS require SNMP access to every device?
Yes, its core monitoring approach relies on SNMP polling, so devices must have SNMP enabled and reachable.
Splunk: What are the differences between Splunk's pricing options?
Splunk offers multiple pricing models: ingest-based pricing charges according to data volume brought into the system; workload-based pricing charges based on computing resources consumed by workloads. Both models apply to Splunk Enterprise and Splunk Cloud Platform. Standard support is included with product purchases; premium support is available as an add-on.
SourceRelated pages
Other head to heads
- LibreNMS vs Icinga
- LibreNMS vs PRTG Network Monitor
- LibreNMS vs Auvik
- LibreNMS vs Zabbix
- LibreNMS vs pfSense
- LibreNMS vs OpenVPN
- LibreNMS vs Consul
- LibreNMS vs Domotz
- LibreNMS vs ThousandEyes
- LibreNMS vs Traefik
- LibreNMS vs Eclipse Mosquitto
- LibreNMS vs Nebula
- LibreNMS vs Netdata
- LibreNMS vs OPNsense
- LibreNMS vs ZeroTier
- LibreNMS vs Juniper Mist
- LibreNMS vs Grafana
- LibreNMS vs Prometheus
- LibreNMS vs Cloudflare
- LibreNMS vs Tailscale
- LibreNMS vs Ivanti
- LibreNMS vs MikroTik RouterOS
- LibreNMS vs Ubiquiti UniFi
- LibreNMS vs Headscale
- Splunk vs Icinga
- Splunk vs PRTG Network Monitor
- Splunk vs Auvik
- Splunk vs Zabbix
- Splunk vs pfSense
- Splunk vs OpenVPN
- Splunk vs Consul
- Splunk vs Domotz
- Splunk vs ThousandEyes
- Splunk vs Traefik
- Splunk vs Eclipse Mosquitto
- Splunk vs Nebula
- Splunk vs Netdata
- Splunk vs OPNsense
- Splunk vs ZeroTier
- Splunk vs Juniper Mist
- Splunk vs Grafana
- Splunk vs Prometheus
- Splunk vs Cloudflare
- Splunk vs Tailscale
- Splunk vs Ivanti
- Splunk vs MikroTik RouterOS
- Splunk vs Ubiquiti UniFi
- Splunk vs Headscale