Checkmk
Scalable IT infrastructure and application monitoring for servers, networks and cloud.
- Monitoring & Status Pages
- Python
- GPL-2.0
- Docker
- Actively maintained
GitHub stats
- GitHub stars
- 2,386
- Forks
- 556
- Open issues
- 0
- Commits, last 12 months
- 21,799
- Last commit
- Oct 6, 2026
- Latest release
- No releases
- Created
- Feb 20, 2019
Data from the GitHub API, refreshed daily.
About Checkmk
Scalable IT infrastructure and application monitoring for servers, networks and cloud. Checkmk is open source under the GPL-2.0 license and written mainly in Python, so you can read the code, run it on your own hardware and keep full control of your data.
The project has 2,386 stars and 556 forks on GitHub, with 21,799 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
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What is Checkmk?
Checkmk is a free, open-source app you can host on your own server, listed in our Monitoring & Status Pages category. Scalable IT infrastructure and application monitoring for servers, networks and cloud. The source code lives at github.com/Checkmk/checkmk, where it has 2,386 stars.
Is Checkmk free and open source?
Yes. Checkmk is open-source software released under the GPL-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 Checkmk with Docker?
Yes. Checkmk 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 Checkmk?
Popular open-source alternatives to Checkmk include Uptime Kuma, Netdata and Grafana. Checkmk itself is a self-hosted alternative to Datadog.
Is Checkmk actively maintained?
The most recent commit to Checkmk was on Oct 6, 2026 with 21,799 commits in the past twelve months. Check the open issues on GitHub to gauge how quickly maintainers respond.