This extension provides your customers a great relevant search results provided by Solr (a popular search engine by Apache). A fast and rich features autocomplete search will display terms suggestion, products, brands, categories to your customers within a second. With advanced mode, your customers can search and filter products immediately on the search popup. On search result page, shop administrator can arrange products by search weight, boost products by attributes.
LIVE DEMO: http://magento2.solrbridge.com/
This extension is in development. If you are looking for this extension, please send Solr Bridge team a request at contact page.