Adds Creative Commons license information to your posts, pages, attachment pages and feeds. Fully customizable.
Infrastructure plugin which implements metadata functionality for taxonomy terms, including for tags and categories.
This plugin allows you to add facebook open graph protocol to your blog
A simple utility plugin for changing or deleting post meta (custom fields) keys in bulk.
Adds Open Graph Protocol meta to the individual pages and posts of your WordPress Install.
AlchemyTagger analyzes your writing as you blog, suggesting useful tags
to describe and categorize your posts.
A versatile Swiss Army Knife for extraction and processing of IPTC, EXIF and other image metadata.
Advanced Export/Import (WordPress) Object Users:
Make a full user backup, restore wherever you want!
Simple but complete SEO Pack to make your site SEO Friendly. Quick way to add meta tags to your post and pages using WP custom fields.
This plugin display a Creative Commons banner below your posts in WordPress. All metadata included.
Allows you to include information from an Omeka installation on the same
site as a subdomain on pages in WordPress in your WordPress theme.
Provide a framework for assignment of user-object relationship metadata.
Convert custom fields to tags, categories or taxonomy terms
Automatically add <link>, <meta> description and <meta> keywords to your
HTML on a per-post (or page) basis.
An easy way to add custom fields to your object types (post, pages, custom post types, users)
RSS link for this tag.