Aciano Technologies

Automatically inserts a Table of Contents based on heading tags into your post content. You can enable it on a per-post basis using a checkbox in the editor.

AT – Table Of Content

A simple, customizable Table of Contents plugin for WordPress posts.

iniyan

Logesh Kumar Rajkumar

This plugin adds a previous and next post links on a single post in a conventional way. This plugin creates a new Genesis settings page (Genesis Post Navigation) that allows you to Customize the post navigation colors and to navigate posts within category.
Requires the Genesis framework.
Animations: On mouseover the previous and next links can travel from north pole to south pole 🙂 
But, I put just 20px.
Check <a href="http://logeshkumar.com/wordpress-performance/" rel="nofollow ugc">plugin demo here</a>
We really thank Andrew Norcross. We get color selection options from Andrew Norcross’s plugin Genesis design pallete.

Genesis Post Navigation

This plugin adds post navigation and an additional option to navigate posts within category.

AT – Table Of Content vs Genesis Post Navigation