Denis Buka

Creates navigation to next and previous posts specific to the category or tag a visitor came from. You can embed the navigation automatically or use a custom function <code>addIntNav()</code> in your template files. Customize the appearance with post thumbnails and labels. Swap next and previous post links mirror-wise. Bold links to the current category or tag. Optimized for use with caching plugins.
Features overview:
<ul>
<li>Add next/previous navigation links to your post specific to the category or tag a visitor came from. </li>
<li>Optionally highlight referrer link occurrances on page. </li>
<li>Insert navigation automatically above or below post content or use a custom function – <code>addIntNav()</code>. </li>
<li>Choose wheather navigation should contain labels and post thumbnails. </li>
<li>Swap next and previous links mirror-wise. </li>
<li>Optionally load navigation links in a frame if you’re using caching plugins on your site. </li>
</ul>
My other plugins:
<ul>
<li>Generate Cache (https://wordpress.org/extend/plugins/generate-cache/) </li>
<li>Drop in Dropbox (https://wordpress.org/extend/plugins/drop-in-dropbox/) </li>
</ul>
Links: <a href="http://steamingkettle.net" rel="nofollow ugc">Steaming Kettle Website Design & Video Production Studio</a>

Intuitive Navigation

Creates navigation to next and previous posts based on the category or tag a visitor came from.

David Powell

Retain Author allows you to force your “next” and “previous” blog posts to stay within the same category and the same author.

Retain Author

Prevent mixing authors in your next and previous post links.

Intuitive Navigation vs Retain Author