WordPress.org

webdevstudios

Justin Sternberg

Gary Jones

shaunandrews

Plugin project for refreshing WordPress core’s widget interface. 
https://make.wordpress.org/ui/tag/widgets/

WordPress Widgets Refresh

Plugin project for refreshing WordPress core's widget interface. http://make.wordpress.org/ui/tag/widgets/

mnmlthms

If you are looking for a plugin that help you to create unlimited sidebars for pages/posts/taxonomies… without coding skills, WP Custom Sidebars is what you’re looking for!.
Easily overriding sidebar positions on your site, no integration needed. Works with any WordPress theme.
Features:
<ul>
<li>Override any sidebars on your site.</li>
<li>Support Post types, Category, Tags or Custom Taxonomies.</li>
<li>Adding as many sidebars as you want.</li>
<li>Transferable/Importable sidebar data.</li>
<li>Translation ready with mo/po files.</li>
</ul>
Note that if you are using other custom sidebar plugins, you should disable them so WP Custom Sidebars won’t be confused on overriding sidebars 😀
How to use WP Custom Sidebars?
<ul>
<li>Step 1: Select post types you want to support custom sidebars in Appearance -> Sidebars -> General Settings tab.</li>
<li>Step 2: Create as many sidebars as you want. Then go to Appearance -> Widgets and add widgets to your sidebar you’ve just created.</li>
<li>Step 3: Go edit page/post or category/tag/custom taxonomies, then look for WP Custom Sidebars setting box, and overriding sidebars.</li>
</ul>
That’s it!
<h3>Arbitrary section</h3>

WP Custom Sidebars

Create unlimited sidebars for pages/posts easily without writing a single line of code!

WordPress Widgets Refresh vs WP Custom Sidebars