Prometheus
Metrics-based monitoring and alerting toolkit with a powerful query language, built for cloud-native systems.
- Monitoring & Status Pages
- Go
- Apache-2.0
- Docker
- Actively maintained
GitHub stats
- GitHub stars
- 66,381
- Forks
- 10,897
- Open issues
- 495
- Commits, last 12 months
- 2,592
- Last commit
- Oct 6, 2026
- Latest release
- v3.15.0Sep 25, 2026
- Created
- Nov 24, 2012
Data from the GitHub API, refreshed daily.
About Prometheus
Metrics-based monitoring and alerting toolkit with a powerful query language, built for cloud-native systems. Prometheus is open source under the Apache-2.0 license and written mainly in Go, so you can read the code, run it on your own hardware and keep full control of your data.
The project has 66,381 stars and 10,897 forks on GitHub, with 2,592 commits over the last year. It ships a Docker image, which makes it a good fit for a small VPS or a home server running Docker Compose.
Topics
- monitoring
- metrics
- alerting
- graphing
- time-series
- prometheus
- hacktoberfest
Open-source alternative to
Prometheus can replace these commercial products. Compare every option on each page.
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What is Prometheus?
Prometheus is a free, open-source app you can host on your own server, listed in our Monitoring & Status Pages category. Metrics-based monitoring and alerting toolkit with a powerful query language, built for cloud-native systems. The source code lives at github.com/prometheus/prometheus, where it has 66,381 stars.
Is Prometheus free and open source?
Yes. Prometheus is open-source software released under the Apache-2.0 license, so you can self-host it at no cost. You only pay for the server it runs on, and some projects also offer an optional paid cloud plan.
Can I run Prometheus with Docker?
Yes. Prometheus provides a Docker image, so you can run it on any Linux server with Docker and Docker Compose installed. The project README lists the image name and the environment variables to set.
What are the best alternatives to Prometheus?
Popular open-source alternatives to Prometheus include Uptime Kuma, Netdata and Grafana. Prometheus itself is a self-hosted alternative to Datadog and Grafana Cloud.
Is Prometheus actively maintained?
The most recent commit to Prometheus was on Oct 6, 2026 with 2,592 commits in the past twelve months. The latest release is v3.15.0, published Sep 25, 2026. Check the open issues on GitHub to gauge how quickly maintainers respond.