PS Lightning Search
Powerful full-text search engine, including Meta Tags, for your website. Feature rich, easy set up, comprehensive documentation, keyword search statistics and log, password protected Admin section so you can control the functionality of your Search pages. Supports site indexing, live website searches, paginated results (xx results per page), highlighted matched words, custom page if no results produced, exclude documents, directories and keywords, simple and advanced search forms. MySQL version for monster sites also available.