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Monitoring & observability

Zabbix

Open-source monitoring across servers, network gear, VMs and applications.

open sourcedesktop

Reviewed by Giuseppe Tommaso Curella, Infrastructure & network engineer Updated 2026-11-05

Official site www.zabbix.com Guides

Independent reference — this page is a review. Zabbix is downloaded from the vendor’s official site, not from here.

PlatformsLinux/Unix server, web UI; agents for Windows/Linux/macOS/Unix
LicenceOpen source — AGPL-3.0
PriceFree; paid support available
SectionMonitoring & observability
Updated2026-11-05

What it is

Free and open source, it keeps watch over servers, network equipment, virtual machines and applications. It gathers metrics, draws graphs and network maps, and raises alerts — one vantage point over the whole estate.

Problems it closes

  • You want one monitoring system over servers, SNMP devices and apps, with no per-node fees.
  • Alerts need to escalate to the right people with real context attached.

How administrators run it

  • Roll out agents and SNMP checks, then template the hosts so metrics stay uniform.
  • Write trigger expressions and escalation chains so on-call gets paged only on real failures.
  • Throw maps and dashboards on a screen for a shared operational view.
Zabbix 7.0 dashboard with graphs and status widgets
Screenshot: Wikimedia Commons, CC0.

Strengths & trade-offs

Strengths

  • Free, yet genuinely capable at enterprise scale.
  • Templates, SNMP and auto-discovery are all there.
  • Active community, with long-term-support releases.

Trade-offs

  • The learning curve runs steep.
  • Hosting and scaling it are on you.

Common questions

What does it cost?

The software is free under AGPL-3.0. Support and training are sold separately, but the full product carries no licence fee.

Guides

Add your first host and alert in Zabbix Install an agent, link a template and get one alert firing — the smallest Zabbix setup worth having. Updated 2026-11-05

Head to head

Zabbix vs PRTG Network Monitor Zabbix is free and scales as far as your hardware will take it; PRTG comes up faster on Windows with polished dashboards, at a per-sensor cost.
PRTG Network Monitor Sensor-based monitoring from Paessler for networks and infrastructure. freemiumcloud + desktop Windows server + web/mobile; also SaaS (Hosted Monitor) Nagios (Core / XI) Veteran host and service monitor: free Core, commercial XI. freemiumdesktop Linux/Unix server, web UI Grafana Dashboards and visualisation layered over Prometheus, Zabbix, databases and clouds. open sourcecloud + desktop Linux/Windows/macOS/Docker, web; cloud