Checkmk Community
Free and open source platform, ideal for small IT environments. Get started fast with 2000+ built-in integrations for infrastructure monitoring.
Fast onboarding
Skip the open-source learning curve. Get started fast with guided setup and more than 2,000 built-in integrations, right out of the box.
Full transparency
100% open-source code gives you full transparency and complete ownership of your data and your monitoring stack.
Community-driven
Extend Checkmk using REST APIs and your own automation scripts, backed by an active, fast-growing open-source community.
Lean and efficient
A low-footprint, single-server architecture that runs reliably on minimal hardware, easily monitoring up to 100 hosts.
See how Checkmk looks and feels
Play with Checkmk in a live demo environment. Experience the product without any hassle.
The demo environment uses Checkmk Ultimate. Features shown may go beyond Checkmk Community.
Built for small and focused environments
Checkmk Community is a great fit if you want to monitor a manageable IT infrastructure with a lightweight and efficient solution.
- Small IT infrastructures (up to ~100 hosts)
- Home labs and test environments
- Personal projects and ideation
- Learning, evaluation, and proof of concept
Server and network monitoring out of the box
Checkmk Community focuses on core infrastructure monitoring and clear visibility in small environments, without the setup complexity typical of many open-source tools.
- Server and network monitoring
- Custom agents to monitor almost any system
- 2000+ built-in integrations for common platforms and technologies
- Designed for manageable, well-defined setups with a low-footprint, single-server architecture
Stay on top of your IT
Even in small environments, visibility and reliability matter.
- Context-rich alerting via email with reduced alert noise
- Clear status views for quick troubleshooting
- Availability reporting for up to 90 days
100 % open source. Powered by Checkmk and the community.
Checkmk Community is completely open source and free to use — now and in the future, giving you full transparency and control over your monitoring setup.
Core development and plug-in maintenance are driven by Checkmk to ensure stability and quality. Community discussions, extensions, and feedback take place in the Checkmk Forum.
Actively developed and maintained as an open-source project.
When your requirements grow
Checkmk scales with you as your infrastructure evolves.
Checkmk Community is well suited for productive monitoring in small, clearly defined environments.
For larger infrastructures, increased automation needs, professional support, long-term reporting, or enterprise-level operations, Checkmk Pro and Checkmk Ultimate provide extended capabilities.
How a group of hospitals monitors their IT with Checkmk
Learn how Paracelsus Kliniken simplified their monitoring with Checkmk Community.
Start monitoring your infrastructure today
Download Checkmk Community and get reliable server and network monitoring out of the box.