advanced-post-manager by the-events-calendar

Air-helper plugin cleans up WordPress and prepares it for air-light theme based development. It brings in helpful helper functions and modifications for all kinds of WordPress projects. Maintained by digitoimistodude on GitHub, where it has earned 57 stars from the community.

#WordPressPlugin: allows you to author posts in Markdown, but stores rendered HTML in post_content so you can deactivate with impunity. Maintained by markjaquith on GitHub, where it has earned 30 stars from the community.

WordPress plugin to track autoloaded option usage, quarantine and restore options safely, and export/import options to JSON. Maintained by ProgressPlanner on GitHub, where it has earned 42 stars from the community.