WordPress already comes with a basic search system that lets your users find what they are looking for fast. Reactive Pro takes it to the next level. It is an advanced search with a drag & drop search page builder that lets you search through post, product, custom post types, metadata, and a whole lot more. It can be used for product, map, location, image, comment, review, and BuddyPress search.
The plugin comes with smart features such as auto-completion and auto-suggestion. It comes with a front & backend grid builder. It also works with WooCommerce and comes integrated with Google Maps.
redqteam is the developer behind this paid plugin. You can find it on CodeCanyon.