Directory Pro - Creates a Yahoo style searchable directory. No fixed page limit. Advanced site search engine. Supports multiple categories. Supports multiple SUB-categories.
Users can edit their listings at any time.
Matt Wright's Simple Search - Simple Search allows you to integrate a keyword and boolean search program into your site so that users can search specified text and HTML documents. Free Perlfect Search - Perlfect Search 3.09 is an integrated, general purpose, site indexer and search engine. It comes as a pair of disctinct scripts. SillySearch - SillySearch lets you allow a visitor to search through pages in a single directory on your website for pages containing words that the user enters into a form. They can choose to search only for files containing all the words they enter, or to search for files containing any one of the words.