Add User Meta
This plugin simply adds custom user meta keys when a user registers an account.
Plugin Tag: meta
WP Term Metadata
WP Term Metadata Plugin for retrieving and manipulating metadata of term objects.
Taxonomy Meta UI
Custom field support for terms
Bitcoin Meta Tags
Add Bitcoin meta tags to your site.
Extend Post Data
Extend Post and Page data with all related meta data.
LH Twitter Meta Tags
Adds to twitter cards meta tags to head with logic based on post formats
SWT SEO Helper
SWT SEO Helper auto generating keywords, Adds Meta keywords and Description, facebook twitter google plus…
PSI Meta Tags
Add Meta-Tags to your site, and customize them on a post-by-post basis
TagMeta
TagMeta generates meta keywords using your most used tags.
WP Best Practices
standards, practices Requires at least: 2.0.2 Tested up to: 3.9.1 Stable tag: 1.5.3 This plugin…
Summary Page
List and/or include sub-pages (child pages) with meta option.
Seattle WordPress Functionality
A functionality plugin is one that provides a common set of functionality that is
Auto eCommerce SEO
The Auto eCommerce SEO plugin with automatically optimize product pages on an eCommerce site for…
LH Profile Page
LH Profile Page is a WordPress plugin that enables users to change their user data…
Handle External Links
Handle External Links gives you the power to add rel="nofollow" based on header status (i.e.…
More Plugin Info
Connects to WordPress.org, using the Plugin API, to display additional plugin information about installed plugins,…
Custom Fields Spreadsheet
A WordPress plugin which gives you all of your custom fields in a single, customizable spreadsheet view.
Tags To Meta
Increase SEO by putting blog tags and categories into the meta keywords on each page
Meta Extension
Allows adding custom form fields to posts, storing them in custom meta fields. Integrates NGG,…
IE9-Pinning
Adds meta tags handled by Internet Explorer 9's pinning feature