inconver

You can add new sidebars in the admin panel and edit them.
You can add new types of widgets and edit them. 
Also, you can add custom fields for new types of widgets. 
And you can create a unique template for each new type of widget.
Video tutorial: <a href="http://inconver.com/wui/" rel="nofollow ugc">http://inconver.com/wui/</a>

WUI: Widgets User Interface

Plugin for creating new sidebars for the site and new types of widgets with the custom fields

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.

WUI: Widgets User Interface vs Shortcodes in Sidebar