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Zabbix alternatives
3 tools to consider instead of Zabbix, shown against it.
| Zabbix | Nagios | LibreNMS | Auvik | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Vendor | Zabbix SIA | Nagios Enterprises | LibreNMS community | Auvik Networks (Kaseya) | ||||||||
| Pricing model | Open source + paid options | Free tier + paid plans | Open source + paid options | Quote only | ||||||||
| Free tier | Yes | Yes | Yes | No | ||||||||
| Deployment | Self-hosted, Cloud | Self-hosted | Self-hosted | Cloud | ||||||||
| Open source | Yes (AGPL-3.0) | Yes (GPL-2.0) | Yes (GPL-3.0) | No | ||||||||
| Best for | Teams that want a free, unlimited, self-hosted monitoring platform with an optional paid support contract. | IT teams wanting a proven, self-hosted monitoring engine, free at the core with a paid path to a web UI and reporting. | Teams wanting a free, community-run monitoring platform with no vendor upsell path. | MSPs and multi-site IT teams needing automated discovery and device monitoring across many networks. | ||||||||
| Pricing | The software is free and fully featured with no host/metric limits; paid tiers are optional support subscriptions, not feature gates.
Prices read from the vendor's own page on September 21, 2026. Vendors change prices; check the source before you budget. | Nagios Core is free and open source; Nagios XI is a perpetual license priced by monitored node count, with an Enterprise add-on tier.
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. | Priced per managed device (many device types monitored for free); no public price list, quote via sales. Checked on the vendor's own page on September 21, 2026: no prices are published. Expect to be quoted. | ||||||||
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