These are the standard Chef cookbooks used by AWS OpsWorks.
If you want to override any template (like the Rails database.yml or the Apache vhost definition), this is the place to look for the originals.
Branches for current Chef versions
These branches are currently used by OpsWorks on your instance.
These branches reflect the upcoming changes for the next release.
master branch is no longer used since AWS OpsWorks supports multiple
configuration managers now.
See also https://aws.amazon.com/opsworks/
LICENSE: Unless otherwise stated, cookbooks/recipes originated by Amazon Web Services are licensed under the Apache 2.0 license. See the LICENSE file. Some files are just imported and authored by others. Their license will of course apply.