Metrics & logs

Prometheus

The metrics database.

open source self-hostable Prometheus project · US

Scrapes and stores metrics; pair it with Grafana.

Website ↗ Source ↗ Plan “Metrics & logs” with it

How you can run it

Way	Where the data lives	Price basis	Verdict
Host it myself	your own server or hardware	free	green — You run it yourself: no data leaves your own infrastructure.

Facts

Company / project	Prometheus project (US), part of Linux Foundation
Licence	Apache-2.0
Self-hosting footprint	512 MB RAM · 0.5 vCPU · 10 GB — small deployment: a household or a team of up to ~20 people
Commonly replaces	Datadog
Provenance	curated, verified 2026-09-04

Machine-readable: /api/tools/prometheus.json. Something wrong? Tell us.