Peter J. Herrel

WP What Links Here implements “what links here” functionality in WordPress, like seen on e.g. Wikipedia. Whenever a page or post is published or edited, it is added to a background queue. At regular intervals this queue is processed by a cron job, updating the relations between posts linking and linked to.
Usage instructions in the <a href="https://github.com/diggy/wp-what-links-here/wiki/" rel="nofollow ugc">wiki</a>.

WP What Links Here

This plugin implements "what links here" functionality in WordPress.

chang47

This WordPress plugin helps improve your websites on-site SEO by creating a web silo where you link back to the category and homepage 
from the post and uses tags from other posts to interlinks your posts.

Internal-Site SEO

This Plugin helps you improve your offsite SEO by creating a good web silo structure and interlinking posts via tags

WP What Links Here vs Internal-Site SEO