Hardik

SmoothTOC automatically generates a Table of Contents for your posts and pages based on your chosen headings (H2, H3, etc). You can insert the TOC automatically (top or after first paragraph) or manually using the [smooth_toc] shortcode. The plugin is highly customizable, translation-ready, and built to meet WordPress.org review standards.
<h4>Features</h4>
<ul>
<li>Automatic TOC generation: Creates a table of contents based on your post’s headings</li>
<li>Customizable appearance: Change colors, font size, and width</li>
<li>Flexible placement: Insert TOC at the top or after the first paragraph</li>
<li>Heading selection: Choose which heading levels to include (H1-H6)</li>
<li>Shortcode support: Use [smooth_toc] anywhere in your content for manual placement</li>
<li>Per-post control: Enable/disable TOC for individual posts</li>
<li>Mobile-friendly: Responsive design that works on all devices</li>
<li>Translation-ready: Fully translatable using WordPress translation system</li>
</ul>
<h4>Usage</h4>
<ol>
<li>Install and activate the plugin</li>
<li>The TOC will automatically appear in your posts and pages</li>
<li>Configure your settings under Settings > SmoothTOC</li>
<li>(Optional) Use the [smooth_toc] shortcode in your posts/pages for manual TOC placement</li>
</ol>

SmoothTOC

Automatically generates a Table of Contents for your posts and pages.

ayushag96

Make nice and noticable boxes like info box, alert box, success box, warning box etc. in your posts using shortcodes. These boxes are very easy to add and very attractive.
Special Features:
<ul>
<li>Close button for the Notice Boxes which can close the box on click</li>
<li>Easily make text in the box center aligned.</li>
<li>Various kinds of boxes for different messages</li>
<li>Add notice boxes using shortcodes (very easy)</li>
<li>A special page on your wordpress dashboard with all the help and reference material you need</li>
</ul>
For more information see Screenshots and FAQ!

Notice Boxes with Shortcodes

This plugin allows you to make notice boxes (styled content boxes of different colors) to display different messages via shortcodes.

SmoothTOC vs Notice Boxes with Shortcodes