A PDF processor written in Go
OCRmyPDF adds an OCR text layer to scanned PDF files
PDFCraft is a free, privacy-focused PDF toolkit
A PDF Reader and Note-taker for OS X
Create, Edit, Delete, Organize , Convert, Export, Secure & Sign PDF.
High Volume Variable Data Printing & Mail Merge in PDF format
a graphical user interface for the PDF Toolkit (PDFtk)
PHP library generating PDF files from UTF-8 encoded HTML
Create and modify PDF documents in any JavaScript environment
This is a small PDF editor based on OpenPdf core and AndroidPdfViewer
Remember the charachters from the book you are reading with images
GUI for updating PDF bookmarks using PDF Toolkit (PDFtk) on Windows
Fast, Nimble PDF Writer for Ruby
Convert HTML to PDF using Webkit (QtWebKit)
Convert files with output for dot-matrix printer into PDF
It is a Windows library that merges standard PDFs into a final PDF
PHP class for PDF
Split, merge, extract pages, mix and rotate PDF files.
Convert pdf to a djvu using profiles with all options of pdf2djvu
PDF Library for Developers