Alertmanager 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.
Not the right match-up?
Alertmanager
Handles alerts from Prometheus with routing and silencing
VS
Apache SkyWalking
APM and observability for cloud-native architectures
| Feature | Alertmanager | Apache SkyWalking |
|---|---|---|
| Category | Monitoring & Status | Monitoring & Status |
| License | Apache-2.0 | Apache-2.0 |
| Language | Go | Java |
| Setup difficulty | Medium | Hard |
| Min. RAM | 64 MB | 2,048 MB |
| Deployment | docker, kubernetes, binary | docker, kubernetes, helm |
| GitHub stars | ★ 8,572 | ★ 24,915 |
| First released | 2015 | 2015 |
| Replaces | PagerDuty, Opsgenie | New Relic, Datadog |
Why pick each one
Choose Apache SkyWalking if…
- Full observability suite
- Strong Apache governance
Frequently asked questions
Is Alertmanager or Apache SkyWalking better?
Neither is universally better. Apache SkyWalking has the larger community, while Alertmanager is simpler to set up (medium difficulty). Choose based on the comparison table above and your own setup.
Are Alertmanager and Apache SkyWalking free and open-source?
Yes. Alertmanager is licensed under Apache-2.0 and Apache SkyWalking under Apache-2.0. Both can be self-hosted at no software cost.
Can I run Alertmanager and Apache SkyWalking with Docker?
Alertmanager: yes. Apache SkyWalking: yes.