Checkmk
Checkmk is an open-source, self-hosted app in the Monitoring & Status Pages category, licensed GPL-2.0 and written mainly in Python. It is a self-hosted alternative to Datadog and ships a Docker image. It has 2,617 GitHub stars and its last commit was on Oct 26, 2026 (data as of Oct 26, 2026).
GitHub stats
- GitHub stars
- 2,617
- Forks
- 577
- Open issues
- 0
- Commits, last 12 months
- 22,683
- Last commit
- Oct 26, 2026
- Latest release
- No releases
- Created
- Feb 20, 2019
- License
- GPL-2.0Open source
Data as of from the GitHub API. Report an error
Project health
ActiveActive: last commit Oct 26, 2026, 22,683 commits in 12 months.
- Security policyPublishes a security policy on GitHub
| Last commit | Oct 26, 2026 |
|---|---|
| Commits, last 12 months | 22,683 |
| Latest release | No GitHub releases |
| Releases, last 12 months | 0 |
| Releases, all time | 0 |
| Open issues | 0 |
| Open pull requests | 55 |
| Good first issues | 0 |
| Contributing guide | Yes |
| Security policy | Yes |
| Created | Feb 20, 2019 |
Health as of , from the GitHub API. A label describes activity, not quality or security. How we label project health · Report a data error
About Checkmk
Scalable IT infrastructure and application monitoring for servers, networks and cloud.
Description written by appsgit. Source code: github.com/Checkmk/checkmk.
Topics
- monitoring
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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 self-hosted 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 26, 2026 with 22,683 commits in the past twelve months. It had 0 open issues on GitHub. appsgit's project-health label for it is "Active" as of Oct 26, 2026.