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'].

Automattic

WooThemes

Matt Cohen

With WooSidebars, it’s possible to change the widgets that display in a sidebar (widgetized area) according to a context (for example, a specific page, a specific blog post, certain categories or the search results screen). Setting up a custom widget area to display across multiple conditions is as easy as a few clicks.
Looking for a helping hand? <a href="https://woocommerce.com/documentation/plugins/woosidebars/" rel="nofollow ugc">View plugin documentation</a>.
Looking to contribute code to this plugin? <a href="https://github.com/woocommerce/woosidebars/" rel="nofollow ugc">Fork the repository over at GitHub</a>. Please also read the CONTRIBUTING.md file, bundled within this plugin.

WooSidebars

WooSidebars adds functionality to display different widgets in a sidebar, according to a context (for example, a specific page or a category).

Show Widget Area Names (SWAN) vs WooSidebars