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About Icinga 2

What is Icinga 2?

Icinga 2 is an open source monitoring system which checks the availability of your network resources, notifies users of outages and generates performance data for reporting.

Scalable and extensible, Icinga 2 can monitor large, complex environments across multiple locations.


Icinga 2 and the Icinga 2 documentation are licensed under the terms of the GNU General Public License Version 2. You will find a copy of this license in the LICENSE file included in the source package.


Check the project website at https://www.icinga.com for status updates. Join the community channels for questions or ask an Icinga partner for professional support.


There are many ways to contribute to Icinga – whether it be sending patches, testing, reporting bugs or reviewing and updating the documentation. Every contribution is appreciated!

Please continue reading in the Contributing chapter.

Icinga 2 Development

The Git repository is located on GitHub.

Icinga 2 is written in C++ and can be built on Linux/Unix and Windows. Read more about development builds in the INSTALL.md file.

What’s New

The Icinga 2 Changelog is located here. Please follow our release announcements on icinga.com too.