PDFtk
PDFsam
Adobe Acrobat DC
AutoMetadata
Pdfinfo
PDF Shaper
Edit PDF metadata
PDFTK Builder
PDF Unshare
iSafePDF
PDFEncrypt
QPDF
PDFTK Builder
Locklizard Safeguard PDF Security
Wonderfulshare PDF Protect Pro
PDFTools by SheelApps
PDF Unshare is a free PDF content protection utility that creates unshared PDF and UPDF formats to protect your PDF files from sharing, printing, editing, copying or unauthorized accessing. This creative document protection tool also allows you to set an expiry date for the protected PDFs, and then all these documents would not be viewed after that date.
PDFtk PDF UnsharePDFsam - PDFsam Basic, a free, open source, multi-platform software designed to split, merge, extract pages, mix and rotate PDF files
iSafePDF - iSafePDF is a free open source PDF protection software.
Adobe Acrobat DC - Make your job easier with Adobe Acrobat DC, the trusted PDF creator. Use Acrobat to convert, edit and sign PDF files at your desk or on the go.
PDFEncrypt - PDFEncrypt is a free, open-source Windows application that encrypts any PDF file using...
AutoMetadata - AutoMetadata is a tool for exploring and manipulating metadata, document properties, and viewer preferences in multiple PDF documents.
QPDF - QPDF is a command-line program that does structural, content-preserving transformations on PDF...