asimeon

Costumizable search widget. Shows the search results dynamic on your sidebar.
Features:
<ul>
<li>Show or don’t show a searchfield or configure another input field</li>
<li>Configure the search: post type, categories, tags, post title and content</li>
</ul>

Dynamic Search Widget

Code for the People Ltd

Scott (@scottsweb)

WP Ajax Search Widget is a replacement for the standard search widget but instead of redirecting you to a new search page the results are returned underneath the search input with an option to click through to the standard results page.
The widget allows you to choose how many results to show.
<a href="http://scott.ee/" title="WordPress designer and developer" rel="nofollow ugc">a plugin by Scott Evans</a>

WP Ajax Search Widget

Displays instant search results directly beneath a search widget.

Dynamic Search Widget vs WP Ajax Search Widget