FreeFind Site Search Engine
FreeFind adds a "search this site" feature to your website, making your site easier to use. FreeFind also gives you reports showing what your visitors are searching for, enabling you to improve your site. FreeFind's advanced site search engine and automatic site map technology can be added to your website for free.
Give your web site its own search engine with no software to install. Offer customized site search, site map, and reporting services for your site in minutes.
SearchBlox provides high-performance content search solutions designed for site search, vertical search, and embedding in custom applications. It offers the best in search technology with utmost flexibility in deployment and customization.