buying guide
The Best SolarWinds Alternatives, Ranked by Who They're For
Your renewal quote doubled. You're not alone and you're not stuck. Here are the real alternatives — ranked not by some universal “best,” but by which one fits *your* situation, because that's the only ranking that means anything.
- 1 Zabbix Network / NMS
The lowest-friction escape for traditional, multi-site networks: $0 license, a lightweight proxy at each site, SNMP everything. Budget a few weeks for the learning curve.
The catch: Power comes with a steep config burden — templates, items and triggers are fiddly, the UI is dense, and "free" means you're the integrator and operator carrying real ops overhead.
- 2 LibreNMS Network / NMS
If it's mostly switches and routers, this is the gentlest landing — point it at SNMP credentials and it discovers the lot.
The catch: A PHP/MySQL stack you must feed and maintain (poller scaling, distributed pollers for big networks), and it's network-device-centric — not a full app/log platform.
- 3 Checkmk Network / NMS
Nagios-grade coverage without the Nagios pain; the Raw edition is free and the autodiscovery is genuinely good. Watch the per-service meter on the paid tiers.
The catch: Per-service pricing is transparent but counterintuitive (one host = many billable services), and the open Raw edition omits the HA, reporting and scaling features that make Enterprise worth it.
- 4 Paessler PRTG Network / NMS
Want to stay commercial and Windows-friendly with a flat, predictable license? Fine — just do the sensor math before you pick a tier.
The catch: Sensor math bites — you average ~5-10 sensors per device, so a "500 sensor" license covers far fewer devices than buyers expect, and the core server is Windows-only.
- 5 ManageEngine OpManager Network / NMS
The “I still want a vendor to call” option — cheaper than SolarWinds, but price the add-ons (flow, config) before you sign, because the base license is half the story.
The catch: Cheaper sticker price but heavily modularized — flow, config and app monitoring are separate paid add-ons, so the all-in cost creeps up, and the UI feels dated next to SaaS-native tools.
- 6 Auvik Network / NMS
If you're an MSP juggling many client networks, the auto-topology and config backup earn their per-device keep.
The catch: Per-device SaaS pricing escalates fast across many client sites, and the tiered quote-only model keeps the real cost opaque until you're in a sales call.
- 7 Prometheus Infra & metrics
Going cloud-native anyway? Skip the like-for-like swap and build on the standard — just know you’re adopting a stack, not a product.
The catch: Single-node by design — no native HA or long-term storage — so any serious deployment becomes a 4-5 component stack (Alertmanager, Grafana, Thanos/Mimir, exporters) you assemble and operate yourself.
SolarWinds vs the top three escapes
| SolarWinds NPM SolarWinds | Zabbix Zabbix SIA | Prometheus open source / community (CNCF) | Checkmk Checkmk GmbH | |
|---|---|---|---|---|
| Category | Network / NMS | Network / NMS | Infra & metrics | Network / NMS |
| License | Proprietary | Open source | Open source | Open core |
| Deployment | Self-hosted | SaaS or self-hosted | Self-hosted | SaaS or self-hosted |
| Monitors | NetworkServersMetrics | NetworkServersMetricsLogsCloudK8s | MetricsServersK8sCloudNetwork | NetworkServersMetricsLogsCloudK8s |
| Pricing | Per deviceQuote-only No free tier | Free / OSS Free tier ✓ | Free / OSS Free tier ✓ | Free / OSSPer service Free tier ✓ |
| Cost | High Element-based (largest of node/interface/volume), plus recurring annual maintenance/support; newer tiers are subscription. | Free Cost = your time + optional support contract ($10-30k/yr typical for large orgs). | Free Free software; cost is engineering time + the surrounding stack. | Low Community (Raw) edition = €0; paid Pro from ~€190/mo for ~3,000 services. |
| Self-host effort | Heavy | Heavy | Heavy | Moderate |
| Maturity | Incumbent | Incumbent | Incumbent | Established |
| Protocols | SNMPWMINetFlow / sFlow / IPFIXSyslogICMP / ping | SNMPIPMIWMISyslogICMP / ping | PrometheusSNMP | SNMPICMP / ping |
| The catch | Element-based licensing is confusing and pricey, the Orion stack is heavy to run and upgrade, and post-acquisition repricing has customers nervously eyeing renewals. | Power comes with a steep config burden — templates, items and triggers are fiddly, the UI is dense, and "free" means you're the integrator and operator carrying real ops overhead. | Single-node by design — no native HA or long-term storage — so any serious deployment becomes a 4-5 component stack (Alertmanager, Grafana, Thanos/Mimir, exporters) you assemble and operate yourself. | Per-service pricing is transparent but counterintuitive (one host = many billable services), and the open Raw edition omits the HA, reporting and scaling features that make Enterprise worth it. |
Built from the monitoring tool database — figures live there, not here.
FAQ
What is the closest free replacement for SolarWinds NPM?
For traditional SNMP networks, Zabbix is the usual answer — it covers network gear, servers and more, scales to large multi-site environments via proxies, and costs nothing to license. If your estate is almost entirely network devices, LibreNMS is an even gentler landing.
Is moving off SolarWinds actually cheaper?
In licensing, yes — open-source options are $0. But the savings come from eliminating license fees, not effort: you trade the bill for engineering time to set up and run the replacement. Budget for that time and it still usually comes out well ahead.
Should I switch to Datadog or another SaaS instead?
You can, but it trades one vendor dependency for another, and per-host SaaS pricing at scale can rival what you were paying SolarWinds. If the whole point is cost control and predictability, a self-hosted open-source tool or a flat/per-node SaaS fits the goal better.
No vendor wrote this, and nobody paid to be ranked. Browse the whole field in the monitoring tool database.