Co-maintaining projects
Guidelines and best practices to follow when you have more than one maintainer of a project
Finding a new project owner or new maintainers/co-maintainers
Finding a new maintainer or co-maintainer for your project, or abandoning it if this is not possible
Open Ownership Pledge (finding co-maintainers)
How to recruit new co-maintainers by having them fix issues that demonstrate knowledge of the project
Archiving an abandoned project in a sandbox
How to archive an old, abandoned project in a sandbox so its short name can be reused
Setting a default branch
How to select the default branch for your project
Managing unsupported branches / releases
How to gracefully state that your project no longer supports an older version
Automated testing
How to set up periodic automated testing and patch testing in your project
Module categories
Descriptions of categories for modules on Drupal.org
Offering to become a project owner, maintainer, or co-maintainer
How to become project owner, maintainer, or co-maintainer of a project created and maintained by other users