The ht://Dig system is a complete web search engine for a small domain or intranet. It is not meant to replace the major Internet-wide search engines; instead it is meant to cover the search needs of a single company, campus, or even a particular subsection of a website.

Features: - intranet searching, spanning multiple local web servers; - robot exclusion; - boolean expression searches; - configurable search results; - fuzzy searching (various algorithms supported); - indexing of HTML and text files; - keyword tagging of HTML documents; - email notification of expired documents; - indexing of protected servers; - searches on subsections of the database; - limitation of search depth; - ISO-Latin-1 character set support.