A Python library for reading and writing PDF, powered by QPDF
open source Java library for creating and editing PDF files
Online service for PDF conversion (to PDF)
Imposition for digital print. Multi-Pages on a sheet of paper
An HTML to PDF library for the JVM
A complete actionscript PDF library
PDF Concatenation Tool
PDF Library for Developers
Generating documents and reports, offline enabled and reliable.
Shipping biller is benificial tool for generating shipping bills.
Java Simplified Accounting Management System