Remote Media Libraries (RML) gives you access to third parties media libraries directly from the Wordpress Media Library.

Add or edit or bulk edit image ALT tag, caption & description with one click straight from the WordPress media library to improve your SEO score.

No longer supported.

This plugin adds columns to the WordPress built in Media Library for EXIF metadata.

Use a YouTube Thumbnail as a Featured Image for a WordPress Post. You only have to set a YouTue Video URL and the plugin does the rest.