PDFsam, a desktop application to split, merge, mix, rotate PDF files
PDF transformation/manipulation program + library
Document Management System and Content Management System
WorkerPDF is GUI for GhostScript created for PDF conversion
A free encryption notepad program.
A PDF parsing, modification and creation library.
Add password to PDF file
LiberTix, a Secure, Simple, Live, and Libre operating system
Automated PDF encryption
PDFBox is a PDF file manipulation tool
Converts every printable document to PDF, JPG, PNG, TIF and more
Encrypt PDFs with Python and PyPDF2
PDF Concatenation Tool
PDF Library for Developers
Full features for Dolphin's right click menu on KDE [4.x|5.x]
Send particular page(es) of PDF-file(s) to the imprinted recipient
A free C# word API to process word documents generated by DocX
A simple Windows PDF Creator/Printer with Microsoft VC++ & MFC
QDAC is a vcl quick and powerful data access components
Application front-end PDFTK to manage operations on PDF files