## What is Icinga 2? <a id="what-is-icinga2"></a>
Icinga 2 is an open source monitoring system which checks the availability of
-your network resources, notifies users of outages, and generates performance
+your network resources, notifies users of outages and generates performance
data for reporting.
Scalable and extensible, Icinga 2 can monitor large, complex environments across
## Licensing <a id="licensing"></a>
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
+General Public License Version 2. You will find a copy of this license in the
LICENSE file included in the source package.
## Support <a id="support"></a>
-Check the project website at https://www.icinga.com for status updates. Join the
-[community channels](https://www.icinga.com/community/get-involved/) for questions
-or ask an Icinga partner for [professional support](https://www.icinga.com/services/support/).
+Check the project website at [icinga.com](https://icinga.com) for status updates. Join the
+[community channels](https://icinga.com/community/) for questions
+or ask an Icinga partner for [professional support](https://icinga.com/services/support/).
## Contribute <a id="contribute"></a>
There are many ways to contribute to Icinga -- whether it be sending patches,
-testing, reporting bugs, or reviewing and updating the documentation. Every
+testing, reporting bugs or reviewing and updating the documentation. Every
contribution is appreciated!
Please continue reading in the [Contributing chapter](https://github.com/Icinga/icinga2/blob/master/CONTRIBUTING.md).
The Git repository is located on [GitHub](https://github.com/Icinga/icinga2).
Icinga 2 is written in C++ and can be built on Linux/Unix and Windows.
-Read more about development builds in the [INSTALL.md](https://github.com/Icinga/icinga2/blob/master/INSTALL.md)
-file.
+Read more about development builds in the [development chapter](21-development.md#development).
## What's New <a id="whats-new"></a>
The Icinga 2 Changelog is located [here](https://github.com/Icinga/icinga2/blob/master/CHANGELOG.md).
-Please follow our release announcements on [icinga.com](https://www.icinga.com/blog/) too.
+Please follow our release announcements on [icinga.com](https://icinga.com/blog/) too.