mindwiremedia

Creates anchor links to heading tags in the content and displays them automatically at the top of the content, or allows for custom placement with tags or sidebar widget.
Features: 
 1. Has option to auto display anchor links to Heading tags in content. 
 2. Allows control of which content to auto display links. 
 3. Can disable plugin css to allow custom styles to be applied. 
 4. Has widget available for display 
 5. Insert custom title to display above links 
 6. Clears all traces from any excerpts displayed

Auto Anchor List

Creates anchor links to heading tags in the content and displays automatically at the top of the content, or allows for custom placement with tags.

ravimareedu

With this plugin you can efficiently create your website/blog inner links/content links. A specific words can be linked to any specific link through out the site/blog. The beautiful part is, you can restrict the internal linking within a taxonomy/category, So that it will avoid linking unrelevant worrds. 
<a href="http://xmlswf.com" rel="nofollow ugc">Power Links</a> allows you to manage site internal links for blogs. 
Let me provide you an example. 
If you want to link to “orange” in the category of “Fruits” it will not link to the “orange” in the category of “Colors”. I hope this is what I did not found on many inter linking plugins and we built one with covering these problems. 
See it in actoin at : https://beautyhealthtips.in

Power Links – Internal Link Manager

Power Links plugin Manages your WordPress blog internal content links effectively and improves your SEO performance with proper link juice.

Auto Anchor List vs Power Links – Internal Link Manager