The universal markup converter
open source Java library for creating and editing PDF files
Scan documents to PDF and other file types, as simply as possible.
converts PostScript or PDF files to other vector graphics formats
PDF generation for Dutch UBL and SETU invoices
A PDF parsing, modification and creation library.
Merge images and PDFs to a single PDF
Convert pdf to a djvu using profiles with all options of pdf2djvu
PDF Concatenation Tool
Application to modify pdf files.
PDF Library for Developers
Insert PDF into DWG in AutoCad. Autolisp Frontend for PSTOEDIT