Regain is a Java search engine based on Jakarta Lucene. It provides indexing and searching files for plenty of formats (HTML,XML,doc(x),xls(x),ppt(x),oo,PDF,RTF,mp3,mp4,Java). A TagLibrary eases integrating search results in your JSP based web page.
ippfp is a set of php-classes aimed at building interfaces quickly and indepently from output format (xhtml, pdf, gtk, ncurses). You can create input masks or other user interfaces. This is an auxiliary site for http://sourceforge.net/projects/ippfp