Fumiki Takahashi

TAROSKY INC.

This plugin add “External Link” section to your editor.
If your posts are used as news in your site, sometimes a post is titled simply “Our service is promoted in famous web magazine” and just having a single link to PR site.
This plugin will add a meta box to save metadata below:
<ol>
<li>External link</li>
<li>Open in new window</li>
</ol>
If you set external link, <code>the_permalink</code> will be replaced with it. The link in your widget, post archive, and so on will refer to the URL you saved.

Taro External Permalink

A WordPress plugin to allow some posts to have external permalink.

Mehdi Kabab

When your permalink structure does not end by a trailing slash (/), all your links look like http://example.com/2009/05. Permalink Trailing Slash Fixer add the missing trailing slash.
<h4>Example</h4>
If you have a site with the following permalink structure <code>/%category%/%postname%.html</code> and your permalinks 
look like these:
<ol>
<li>Single Post: <code>http://example.com/my-category/sample-post.html</code>.</li>
<li>Category: <code>http://example.com/my-category</code>.</li>
<li>Archive: <code>http://example.com/2009/05</code>.</li>
<li>Page: <code>http://example.com/about</code>.</li>
</ol>
After activation of the plugin:
<ol>
<li>Single Post: not modified.</li>
<li>Category: <code>http://example.com/my-category/</code>.</li>
<li>Archive: <code>http://example.com/2009/05/</code>.</li>
<li>Page: <code>http://example.com/about/</code>.</li>
</ol>

Permalink Trailing Slash Fixer

Quickly add a trailing slash in the URLs if it's missing in the permalink structure.

Taro External Permalink vs Permalink Trailing Slash Fixer