JAMP provides several functions to index and manage your media files on resources like storage systems or dvds. The userinterface is webbased and fully written in java.
Sciense Searcher is a system that lets you search, organize and share bibliographic cites of research articles, books, booklets, collections, manuals, thesis, proceedings, technical reports, unpublished publications and misc.
Omseek has been renamed to Xapian. Xapian is a Search Engine Library, written in C++ with bindings for Perl, Python, PHP, Java, Tcl, C# and Ruby. It allows you to easily add advanced indexing and search facilities to your applications.