-Xonotic uses several Git repositories. There's a helper script in the main repository to aid in checking out all relevant repositories and help you with building and running Xonotic.
-The repository also contains several branches next to the stable "master" branch. So if you're interested in the progress of a certain feature, or want to help or create a new one, you can checkout the appropriate branch.
-For information on how to obtain write access, skip down to the "[Getting write access](Repository Access\#Contributing-and-getting-write-access)" section.