Bimal Poudel

Appends other available posts of a category in the details pages of individual posts. Useful in navigating other articles of same category.
Additionally you can use <code>[mysitemap]</code> shortcodes with parameters.
<ul>
<li><code>[mysitemap]</code>: Prints everything</li>
<li><code>[mysitemap id="5"]</code>: Restricts to a category</li>
<li><code>[mysitemap id="5" limit="5"]</code>: Limits 5 posts under a given category</li>
<li><code>[mysitemap limit="5"]</code>: Pulls 5 recent post globally</li>
</ul>

fabio.mazzarino

In-Post Template plugin add additional content to posts and pages, inside the_content() data result. It can be used to add sitewide content like AdSense, banners and plugins.
It accepts to insert html, java script, embedded content, php and even others plugins. Template tags are also accepted.
It replaces a special mark added inside the post which can be the  mark or any other configured.

In-post Template

In-Post Template plugin add additional content to posts and pages, inside the_content() data result.

More Posts vs In-post Template