Mindshare Labs, Inc.

<p>A highly customizable AJAX-based WordPress search bar alternative with the ability to autocomplete <a href="http://en.wikipedia.org/wiki/Faceted_search" rel="nofollow ugc">faceted search queries</a>. Users can quickly and dynamically browse through your site’s taxonomies and post metadata to find exactly what they’re looking for, and results can be loaded beneath the search bar instantly.</p>
<h4>Features</h4>
<ul>
<li>Searches post title and body content</li>
<li>Can search by multiple keywords, and by full phrases</li>
<li>Highlights search terms in results</li>
<li>Option to send search queries as events to your Google Analytics account</li>
<li>Facets by post category</li>
<li>Can search in multiple categories (OR or AND search)</li>
<li>Category options are dynamically generated and autocompleted as you type</li>
<li>Attractive and lightweight interface based on jQuery, Backbone.js, and the VisualSearch.js library</li>
<li>Customizable results template using standard WordPress functions</li>
<li>Search through an unlimited number of user-specified taxonomies and meta fields (including data contained in Advanced Custom Fields).</li>
<li>Conduct radius searches against data stored in the ACF Map field (i.e. search for posts within x km of a user-specified location).</li>
</ul>


WP Ultimate Search

Powerful AJAX-based search alternative which supports faceting queries by taxonomies, terms, location, and post metadata.

Md Aminur Islam

PluginizeLab

<p>The Metadata Viewer plugin displays metadata keys and values for posts (posts, pages, custom post types), users, comments, taxonomy terms, WooCommerce products, and WooCommerce orders directly in admin edit screens — and on the Dokan vendor dashboard. It also includes an integrated realtime search feature.<br />
Install one lightweight plugin to inspect metadata across common WordPress and WooCommerce object types from their native edit pages.</p>
<h4>Features</h4>
<ul>
<li>👉 Posts Metadata Viewer</li>
<li>👉 Custom Post Types Metadata Viewer</li>
<li>👉 Pages Metadata Viewer</li>
<li>👉 Users Metadata Viewer</li>
<li>👉 Comments Metadata Viewer</li>
<li>👉 Taxonomy Terms Metadata Viewer</li>
<li>👉 WooCommerce Products Metadata Viewer</li>
<li>👉 WooCommerce Orders Metadata Viewer</li>
<li>👉 Dokan vendor dashboard: order & product metadata viewers</li>
<li>👉 HPOS-aware WooCommerce Orders metadata handling (supports sync on/off modes)</li>
<li>👉 Unified metadata table UI and realtime search across supported screens</li>
</ul>
<h3>Support</h3>
<p>If you find this plugin useful, consider supporting its development through a <a href="https://www.buymeacoffee.com/aiarnob" rel="nofollow ugc">donation</a>.</p>


Metadata Viewer

A plugin or theme developer can view metadata by this plugin easily.

WP Ultimate Search vs Metadata Viewer