Ryan

The Meta Shortcode plugin allows you to easily insert meta values into your posts or pages without having to edit a theme file.
Rather than having to use get_post_meta inside of your theme files or another plugin, you can just use the shortcode [ metafield ].
For more info, you can visit <a href="http://www.nutt.net/tag/meta-shortcode/" rel="nofollow ugc">my website</a>.

Meta Shortcode

Easily insert meta values, if they exist, into a post or page using a shortcode.

nuinu

This plugin uses custom fields to allow the page title tag to be different from the actual page title.
Both meta descriptions and keywords can also be added to pages.

SEO nuinu

Customize pages and posts meta title, descriptions and keywords directly in post or page edit window in wordpress.

Meta Shortcode vs SEO nuinu