Pierre Prinetti

Set your anchor name in the options page.
Typical use case: a big picture in the header you don’t want people 
to be bothered with every time they click on an internal link. But 
you still want that beautiful picture to be there.
Feel free to contribute: 
github.com/pierreprinetti/wp-permamod

wp-permamod

Very simple plugin that adds an anchor to page and post permalinks, which can point to an existant anchor in your template.

albedo0

Automatic Hx Menu scans your content for heading tags and builds an in-page navigation with anchor links. 
You can also enable automatic numbering for your headings.
Shortcode: 
Use <code>[automatichxmenu]</code> in a post/page to insert the menu manually. In “Automatic & Shortcode” mode, the shortcode has priority.
Main features 
– “Back to top” links 
– Collapsible submenus 
– Automatic numbering for titles 
– Smooth scroll options (speed, offset) 
– Show on posts, pages or both 
– Enable/disable on the homepage 
– Many display options (alignment, width, margins, colors, borders, custom CSS)

Automatic Hx Menu

Automatically generate a navigation menu from the titles of a post or a page

wp-permamod vs Automatic Hx Menu