Starting with Version 4.6, Metadata for Jira comes with the Metadata Project Overview.
The Metadata Project Overview gives you a quick overview over all your projects and their metadata.
Customize your overview by picking only the metadata you really need to see. Or go a step further and filter for specific values in your metadata. You can create and save multiple overviews and filters for all purposes.
To learn more on how to start working with, use and customize the Metadata Project Overview check out our How to articles: