Webfilemanger, written in OO-Php, with fulltext retrieval capabilities
(just for PDF files at the moment...).
Interface similar to explorer/konqueror, with tree structure on the left side.
mod_mysql_auth integrated to grant user control, and OWASP ph
ExplorerIndex is a Perl driven indexing script, that creates a sitemap, and/or/including a table of contents for specified files/directories. It produces a static or dynamic page with a Javascript tree control, html-template and cookie driven.