Bainternet

Not long a go google implemented an instant search functionallty that show resluts as you type even before you hit the search button. 
With This Plugin you can eaily add instant search functionalty to your site or blog.
Main features:
<ul>
<li>Very easy to install.</li>
<li>Easy configuration screen.</li>
<li>simple options to style the search results.</li>
<li>extendable by hooks and filters all around.</li>
<li>Use as shortcode.</li>
<li>Use as template tag for easy integration with your theme or plugin.</li>
</ul>
any Feedback is Welcome.
check out my <a href="http://en.bainternet.info/category/plugins" rel="nofollow ugc">other plugins</a>

Simple Instant Search

With This Plugin you can  eaily add instant search functionalty to your site or blog.

Adam Greenwell

Lumenare Search upgrades the default WordPress search experience with faster indexed lookups and more control over result quality.
Features include:
<ul>
<li>Instant live search dropdown results, with optional featured-image thumbnails.</li>
<li>Weighted keyword indexing for titles, excerpts, content, taxonomies, and selected custom fields.</li>
<li>Match-any or match-all keyword modes.</li>
<li>Optional fuzzy matching, synonyms, phrase boosting, live trigger delay, and freshness tuning.</li>
<li>Modular suggestions from analytics, imported migration stats, taxonomies, and index terms, with full post-title suggestions available as an opt-in provider.</li>
<li>Search result highlighting, taxonomy facets, content-type filters, and date filters.</li>
<li>Search analytics, click tracking, and trending data.</li>
<li>Public trending/latest search lists through the Lumenare Search Trends widget and native Gutenberg block.</li>
<li>Public Ask Site question forms through the <code>[lumenare_ask_site]</code> shortcode and <code>lumenare/ask-site</code> block.</li>
<li>Grounded Ask Site responses with cited source bundles by default and optional generated answers when WordPress AI Client readiness passes.</li>
<li>Guided setup presets for publishers, commerce sites, knowledge bases, high-volume installs, and contextual ASP migrations.</li>
<li>Search Intelligence plus contextual Search Imports inside the main Lumenare Search settings screen.</li>
<li>Ajax Search Pro migration and guarded post-migration cleanup tools when ASP data or leftovers are detected.</li>
<li>Automatic replacement of default search forms plus shortcode, widget, and block support.</li>
</ul>

Lumenare Search

Advanced WordPress search with live results, weighted indexing, fuzzy matching, filters, analytics, and block support.

Simple Instant Search vs Lumenare Search