Amplitude Design

If you get confused by which widget area a widget is attached to when browsing your site then this plugin can help. 
The plugin shows the widget area names on non-admin pages and posts. This adds the widget area title to widget $params[‘before_widget’]. This will only display for the edit_posts capabilities. You must use print $params[‘before_widget’] in your widget definitions to view the area name. 
If the widget area is empty then no widget area name is displayed.
Recently added a jQuery toggle to the admin menu bar to quickly hide/show the widget area names. See +/- swan link in admin bar.

Show Widget Area Names (SWAN)

Plugin to show the widget area names on non-admin pages and posts. This adds the title to widget $params['before_widget'].

Brainstorm Force

Normally you have a sidebar that appears throughout the website. However, sometimes it is necessary to display a relevant, different sidebar on certain pages on the website. For an example: on WooCommerce pages, a sidebar with related or top seller products would be more relevant than the latest comments, blog posts right?
This plugin helps you solve that problem as it allows you to create new sidebars and display them conditionally on certain locations of the website easily. Once the sidebar is created and displayed on pages you like, you can add relevant widgets in it.
<a href="https://bsf.io/sidebar-manager-demo" rel="nofollow ugc">Try it out on a free dummy site</a>
Some of the Features:
<ol>
<li>Create unlimited sidebars</li>
<li>Place them any location your theme has defined (Footer Widgets / Left or Right Sidebar)</li>
<li>Works with any theme</li>
<li>Conditionally display sidebars on specific posts, pages, taxonomies or custom post types</li>
<li>Display sidebars based on user roles</li>
</ol>

Lightweight Sidebar Manager

Create new sidebar areas and display them conditionally on certain pages. Works with all themes.

Show Widget Area Names (SWAN) vs Lightweight Sidebar Manager