HtgrepHtgrep is a CGI script written in Perl that allows you to query any document accessible to your HTTP server on a paragraph-by-paragraph basis. Htgrep is a generic front-end to htgrep.pl, a Perl package that makes it relatively easy to implement...
interactivetools.com - Search EngineIf you're planning on adding a search feature to your website it's actually very simple as long as you're using Search Engine from interactivetools.com. Packed with loads of features, Search Engine is one of the most affordable and easy to use...
Magellan MetasearchMagellan is a meta search engine that performs complex queries on several engines at once. It features a complex query language, including full boolean operators, proximity operators, and meta-operators.
Master SearchIf you have hesitated to install your own site search engine because of the complicated setup, now is the time to grab a copy of Master Search.
Matt's Script Archive: Simple SearchSimple Search allows you to integrate a keyword and boolean search program into your site so that users can search specified text and HTML documents.
mnoGoSearchmnoGoSearch is a full-featured free search engine software for intranet and internet servers. mnoGoSearch has number of unique features, which makes it appropriative for a wide range of application from search within your site to specialized search...
Perlfect SearchPerlfect Search is a sophisticated, powerful, versatile, customizable and effective site indexing/searching suite available under an open source license. It comes as a pair of disctinct scripts.