Netdata vs Apache SkyWalking
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
Apache SkyWalking
APM and observability for cloud-native architectures
| Feature | Netdata | Apache SkyWalking |
|---|---|---|
| Deploy effort | Under-an-hour setup | Under-an-hour setup |
| Health score | 100 · Excellent | 97 · Excellent |
| Category | Monitoring & Status | Monitoring & Status |
| License | GPL-3.0 | Apache-2.0 |
| Language | Go | Java |
| Setup difficulty | Easy | Hard |
| Min. RAM | 256 MB | 2,048 MB |
| Deployment | docker, bare-metal, kubernetes | docker, kubernetes, helm |
| GitHub stars | ★ 80,637 | ★ 24,962 |
| First released | 2013 | 2015 |
| Replaces | Datadog, New Relic | New Relic, Datadog |
What are Netdata and Apache SkyWalking?
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
Apache SkyWalking
Apache SkyWalking is an APM and observability platform for distributed systems, especially microservices and cloud-native architectures. It provides tracing, metrics, logging, and service topology analysis.
- Distributed tracing and metrics
- Service topology maps
- eBPF and OTel integration
- Alerting engine
Netdata vs Apache SkyWalking: key differences
Netdata is written in Go, while Apache SkyWalking is built with Java. Licensing differs — GPL-3.0 for Netdata versus Apache-2.0 for Apache SkyWalking. Netdata is the lighter option, starting around 256 MB of RAM against 2,048 MB for Apache SkyWalking. Netdata is the more established project (first released 2013), while Apache SkyWalking arrived in 2015. Netdata has the considerably larger community, at 80,637 GitHub stars versus 24,962.
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 Apache SkyWalking if…
- Full observability suite
- Strong Apache governance
Watch out for
- Steep learning curve
- Storage backend required
Frequently asked questions
Is Netdata or Apache SkyWalking better?
Netdata is the stronger all-round pick: it has both the larger community and the simpler easy setup. Consider Apache SkyWalking if its specific feature set fits your needs better.
Are Netdata and Apache SkyWalking free and open-source?
Yes. Netdata is licensed under GPL-3.0 and Apache SkyWalking under Apache-2.0. Both can be self-hosted at no software cost.
Can I run Netdata and Apache SkyWalking with Docker?
Netdata: yes. Apache SkyWalking: yes.
Which is lighter on resources, Netdata or Apache SkyWalking?
Netdata has the smaller minimum footprint at 256 MB of RAM, compared to about 2,048 MB for Apache SkyWalking. Real-world usage depends on library size, user count, and enabled features.