Netdata vs Zabbix
A side-by-side comparison of two self-hosted monitoring & status options — licensing, setup difficulty, resource needs, and what each one replaces.
Netdata
Real-time per-second infrastructure monitoring
VS
Zabbix
Enterprise-grade open-source monitoring solution
| Feature | Netdata | Zabbix |
|---|---|---|
| Deploy effort | Under-an-hour setup | Under-an-hour setup |
| Health score | 100 · Excellent | 89 · Excellent |
| Category | Monitoring & Status | Monitoring & Status |
| License | GPL-3.0 | AGPL-3.0 |
| Language | Go | Go Template |
| Setup difficulty | Easy | Hard |
| Min. RAM | 256 MB | 1,024 MB |
| Deployment | docker, bare-metal, kubernetes | docker, bare-metal |
| GitHub stars | ★ 80,637 | ★ 6,411 |
| First released | 2013 | 2001 |
| Replaces | Datadog, New Relic | Datadog, Nagios |
What are Netdata and Zabbix?
Netdata
Netdata is a real-time monitoring agent that collects thousands of metrics per second and visualizes them with zero configuration. It targets administrators who want instant, granular system insight. It is deployed via Docker or native packages.
- Per-second real-time metrics
- Zero-configuration auto-discovery
- Built-in anomaly detection
- Thousands of collectors
Zabbix
Zabbix is an enterprise-class monitoring solution for networks, servers, cloud, and applications with deep alerting. It targets organizations needing comprehensive infrastructure monitoring. It is deployed via Docker or native packages.
- Agent and agentless monitoring
- Powerful triggers and alerting
- Network discovery and maps
- Highly scalable
Netdata vs Zabbix: key differences
Netdata is written in Go, while Zabbix is built with Go Template. Licensing differs — GPL-3.0 for Netdata versus AGPL-3.0 for Zabbix. Netdata is the lighter option, starting around 256 MB of RAM against 1,024 MB for Zabbix. Zabbix is the more established project (first released 2001), while Netdata arrived in 2013. Netdata has the considerably larger community, at 80,637 GitHub stars versus 6,411.
Why pick each one
Choose Netdata if…
- Instant insight out of the box
- Beautiful real-time charts
- Easy install
Watch out for
- Long retention needs tuning
- Cloud features are commercial
Choose Zabbix if…
- Comprehensive and mature
- Scales to large estates
- Fully free
Watch out for
- Steep learning curve
- Dated interface
Frequently asked questions
Is Netdata or Zabbix better?
Netdata is the stronger all-round pick: it has both the larger community and the simpler easy setup. Consider Zabbix if its specific feature set fits your needs better.
Are Netdata and Zabbix free and open-source?
Yes. Netdata is licensed under GPL-3.0 and Zabbix under AGPL-3.0. Both can be self-hosted at no software cost.
Can I run Netdata and Zabbix with Docker?
Netdata: yes. Zabbix: yes.
Which is lighter on resources, Netdata or Zabbix?
Netdata has the smaller minimum footprint at 256 MB of RAM, compared to about 1,024 MB for Zabbix. Real-world usage depends on library size, user count, and enabled features.