gonafr

Check content and create a widget menu with links that point to words between the HTML tags you choose. 
It was initially thought and created for the HTML tags of the titles (h1, h2, h3…), but you can use it in other situations.

Anchors Menu

Check content and create a widget menu with links that point to words between the HTML tags you choose.

corybolles

The Mythic Smooth Scroll plugin is a very lightweight jQuery plugin for adding smooth scrolling animations on single-page websites or on longer posts with various anchors.
The plugin features an optional offset for fixed/sticky headers to make sure it always scrolls beneath the content, as well as an adjustable manual offset amount to determine how far from the header/top of the screen the content will land when scrolled to.

Mythic Smooth Scroll

Smooth scrolling plugin with optional offset for fixed/sticky headers.

Anchors Menu vs Mythic Smooth Scroll