Hulbee Enterprise Search - Hulbee Enterprise Search is another powerful site search solution that intelligently retrieves information and documents regardless of their source or location.
CommVault - Commvault is a site search platform that helps legal or compliance officers and corresponding end users to explore and retrieve files and email across different applications, storage devices and computers.
Dieselpoint - Dieselpoint is a leading enterprise search software that combines the power of advanced full search and data navigation capability.
Datafari - Datafari is a leading open-source enterprise search engine that was released under the Apache License with the multitude of connectors.
SearchSpring - SearchSpring is an eCommerce site search tool.
Algolia - Algolia's Search API makes it easy to deliver a great search experience in your apps & websites. Algolia Search provides hosted full-text, numerical, faceted and geolocalized search.