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

Pankaj Anupam

Shortcodes in Sidebar plugin allow shortcodes to execute when used in sidebar text widgets. All that is needed is to download, install and activate. This is very useful for placing things like contact forms and other shortcode enabled features in sidebars.

Shortcodes in Sidebar

Upload, Activate - refresh page and shortcode is running, it worked right away. Thanks for that. 

Sweet

Shortcodes in Sidebar allows shortcodes to execute in sidebars.

Arbitrary Sidebars vs Shortcodes in Sidebar