A-PDF Explorer Short Description:
Easily manage, index, filter, and batch processing your large archive of PDFs
A-PDF Explorer Long Description:
A-PDF Explorer is a simple, lightning-fast desktop utility program that lets you to easily manage, index, search/filter (using several metadata fields like: Filename, file size, file date, Title, Subject, Author, Creator, Producer etc) and batch processing (add security, set initial view, extract text and image etc) your large archive of PDF files
http://www.a-pdf.com/explorer