WooCommerce Instant Search + boosts conversion with the fastest search-as-you-type product suggestions, relevant results, and automated search filters
WPSOLR is the growing, blazing-fast, open source enterprise search plugin built on Apache Solr.
YITH WooCommerce Ajax Search allows your users to search products in real time.
It allows to index the custom post types, taxonomies with custom fields easily.
Fast, intelligent, and fully customizable search for your site. Comes with detailed analytics and controls in the Swiftype Dashboard.
A mobile optimized blazing fast and intuitive search for your site
XrelY's Autocomplete plugin empowers your site search by provideing autocorrection and rich autocomplete feature.
Provide autocomplete for search box by typeahead.js. 为您的网站搜索框添加搜索下拉词条建议功能。