Karamasoft UltimateSearch - ASP.NET Search Engine
UltimateSearch is a set of ASP.NET server controls to add search to your website or content management system. No coding required. No database required. No Indexing Service required. Auto scan directories crawl pages by following links and retrieve URLs from an XML file. Reindex automatically or manually. Extensive document support for ASPX, ASP, HTML, TXT, PDF, DOC, XLS, PPT, RTF, and so on. Advanced search types such as All, Any, Exact Phrase, and Partial Match. Score based on URL title keyword and so on. Hit highlighting on search result pages. Auto-complete search terms. Built-in spell checker that provides "Did you mean?" suggestions, stemmings, and synonyms for your search terms.