ServerFiles.com is a server software & hardware directory for Network administrators & IT professionals, listing networking & server software for Windows 2003, Windows 2000, NT and Linux; and now also listing networking hardware solutions focused on server based computing.
Vote for ES.NET 2004
ES.NET 2004 is a full-text indexing crawler and search engine. With ES.NET 2004, documents are crawled and indexed from areas your Intranet, Web Site, or the Web. Only documents matching your specifications, through the use of domain and keyword filters, are indexed. ES.NET 2004 consists of a Windows Service, a Web Application, and a Search Application. ES.NET 2004 supports common file types through the use of IFilters, including HTML, XML, Microsoft Word (.DOC), Microsoft Excel (.XLS), Adobe Acrobat (.PDF), MP3 ID3v1 & ID3v2 (.MP3), and Rich Text Format (.RTF).
Crawling and indexing updating can be automated using the built-in scheduler. Once setup, it can automatically crawl and index without any user interaction. Simply set it up once and then forget about it -- your search engine will always be up-to-date.