PDFTK Builder - PDFTK Builder is a free graphical interface to for PDFTK, making it much easier to use.
PaperScan - PaperScan Scanner Software is a powerful TWAIN & WIA scanning application centered on one idea: making document acquisition an unparalleled easy task for anyone.
QPDF - QPDF is a command-line program that does structural, content-preserving transformations on PDF...
Pocket Scanner - Pocket Scanner is the best app for quickly scanning documents to JPEGs or multi-page PDFs.
iSafePDF - iSafePDF is a free open source PDF protection software.
PaperSave - PaperSave is a complete document management, electronic workflow and transaction (invoice and gift) automation solution, for Microsoft Dynamics and Blackbaud.