Jonathan Daggerhart

This plugin lets you create new WP queries as widgets and use shortcodes for queries on your pages. It also allows you to override the way category and tag pages display.
Query Wrangler’s interface is highly intuitive way to create queries and will be second nature for any Drupal Views user.
This plugin will bring extreme flexibility to WordPress users with its ability to create custom queries using the WP_Query class with a user interface.
Supports:
<ul>
<li>Most post data, including meta fields</li>
<li>Taxonomy data</li>
<li>Advanced Custom Fields</li>
<li>Custom Content Type Manager</li>
<li>Some exposed filters</li>
</ul>
Some examples of how you would use this plugin include:
<ul>
<li>Create a list posts with featured images</li>
<li>Create a list of pages or posts within a specific category or tag</li>
<li>Create an image gallery</li>
<li>Modify the way your category pages look</li>
</ul>

Query Wrangler

Query Wrangler provides an intuitive interface for creating complex WP queries as shortcodes and widgets. UI based on Drupal Views.

Ken Stein

The Spacializer Widget represents multiple sound samples, each as a luminescent orb of color. The volume of each sample varies depending upon how close your mouse pointer is to the associated colored orb. The widget height and width are configurable via WordPress’ widget admin panel.
<h3>License</h3>
Copyright (C) 2006-2009 Kenneth L. Stein
This program is free software: you can redistribute it and/or modify 
it under the terms of the GNU General Public License as published by 
the Free Software Foundation, version 2 of the License.
This program is distributed in the hope that it will be useful, 
but WITHOUT ANY WARRANTY; without even the implied warranty of 
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 
GNU General Public License for more details.
You should have received a copy of the GNU General Public License 
along with this program. If not, see <a href="http://www.gnu.org/licenses/" rel="nofollow ugc">http://www.gnu.org/licenses/</a>, or 
write to the Free Software Foundation, Inc., 59 Temple Place, Suite 330, 
Boston, MA 02111-1307 USA

Spacializer – User Controlled SoundMixing Lightshow Widget

Spacializer - A WordPress Widget - User Controlled SoundMixing and Lightshow Widget

Query Wrangler vs Spacializer – User Controlled SoundMixing Lightshow Widget