caniopen-sourceit

the catalog · 📟 Monitoring

Prometheus

★ 57k

Pull-based metrics collection and alerting that powers monitoring at half the internet.

Prometheus does the job of Datadog, self-hosted. It is Apache-2.0-licensed, so you can do essentially what you like with it, and setting it up is an afternoon, not a weekend. Datadog bills $70 for it. 57k stars on GitHub.

Open-source replacement for Datadog.

Licence
Apache-2.0
Self-hosting
Medium
The paid one costs
$70
GitHub stars
57k
view the code →official site →

Is it actually a replacement?

We have written a verdict on what it replaces — what you lose, and why people still pay:

How Prometheus runs

Where it runs

Prometheus runs on your server.

What setup takes

not verified by us yet — check the repo README.

Prometheus questions

Is Prometheus open source?

Yes — it is released under Apache-2.0.

Can Prometheus replace Datadog?

Our verdict on Datadog is YES. Netdata (73k stars), Uptime Kuma (68k stars), Grafana (65k stars) are mature open-source replacements for Datadog — self-host in one command and stop paying $15/mo.

Can I self-host Prometheus?

Yes — we rate it medium to self-host, and it runs on your server.

More monitoring tools