chrisguitarguy

Arbitrary Sidebars allows you to add widget areas via an page in the WordPress admin area. What you do with those sidebars on the front end is up to you and your theme.
This plugin requires PHP 5.3+. Please check your server configuration before installing.
Some use case ideas:
<ul>
<li>The end user wants to associate sidebars with individual posts and pages. This plugin ould provide half that functionality: easily creating widget areas.</li>
<li>You need reusable content blocks and want to take advantage of the widget system.</li>
</ul>

Arbitrary Sidebars

amp343

AMP Sidebar Chooser allows users to associate sidebars to posts, pages, or any custom post type through the WordPress post editor.

AMP Sidebar Chooser

AMP Sidebar Chooser allows users to associate sidebars to posts, pages, or any custom post type through the WordPress post editor.

Arbitrary Sidebars vs AMP Sidebar Chooser