OpenTTD | Development

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[[Translation:en/Development/Main Page]]
{{en/Development/Navigation}}

[[File:en/Development/BlackBook.png|128px]]

==Overview==
* [https://www.openttd.org OpenTTD] is an open source project, published under the [https://www.gnu.org/licenses/old-licenses/gpl-2.0.html GPLv2]. 
* You can [https://github.com/OpenTTD/OpenTTD view the repository online] and download a copy of the latest source code using [https://en.wikipedia.org/wiki/Git Git]. 
* The latest changes to the OpenTTD repository can be seen on [https://github.com/OpenTTD/OpenTTD/commits GitHub] ([https://github.com/OpenTTD/OpenTTD/commits/master.atom RSS feed also available!])
* If you modify the source you can submit a [https://github.com/OpenTTD/OpenTTD/blob/master/CONTRIBUTING.md#pull-requests pull request] with your changes to the repository.
* We use GitHub issues for [https://github.com/OpenTTD/OpenTTD/blob/master/CONTRIBUTING.md#using-the-issue-tracker bug reports and similar]
* [https://github.com/OpenTTD/OpenTTD/blob/master/CONTRIBUTING.md#project-goals Goals of the official branch] (see also the overall [[en/Development/Objectives]] of the OpenTTD project.

==Development Docs==
There is no single source for OpenTTD development docs.  It's a complex project with a long history, and multiple APIs.

For developing the core game, the "OpenTTD Development Documentation" sidebar navigation on this page is a good entry point, providing:
* links to development docs on this wiki
* links to external sources such as OpenTTD GitHub (which includes some core development docs) and Doxygen


OpenTTD includes multiple APIs for developing add-ons / mod content.  The sidebar navigation on this page also provides links to "Content APIs (modding frameworks)".

==Other Resources==

*[[en/Archive/OpenTTD/Main Page]]
*[[en/Archive/Community/Nightly build]]
*[[en/Archive/Community/Compile Farm]]
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