Open source PDF editor
open source Java library for creating and editing PDF files
Prepress preparing tool and PDF editor
WorkerPDF is GUI for GhostScript created for PDF conversion
High Volume Variable Data Printing & Mail Merge in PDF format
Application to inspect text and images of pdf books.
Booklet, Signature generator, Imposition
A PDF parsing, modification and creation library.
Merge images and PDFs to a single PDF
A free open source tool for generating 4-up slides from a PDF document
PDF Measuring and Takeoff Software for Construction
PDF Library for Developers
Insert PDF into DWG in AutoCad. Autolisp Frontend for PSTOEDIT