Hulbee Enterprise Search - Hulbee Enterprise Search is another powerful site search solution that intelligently retrieves information and documents regardless of their source or location.

Google Custom Search - Google Custom Search enables you to create a search engine for your website, your blog, or a collection of websites.

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.

SLI Systems - SLI Systems

SearchBlox - SearchBlox is an out-of-the-box Enterprise Search Solution built on top of Apache Lucene/Solr.

Sooqr - Sooqr Search provides relevant and innovative site search engine for the website.