The universal markup converter
OCRmyPDF adds an OCR text layer to scanned PDF files
CLI tool to extract (meta)data from PDF and manipulate PDF files
iLovePDF Rest Api - PHP Library
High Volume Variable Data Printing & Mail Merge in PDF format
Create, Edit, Delete, Organize , Convert, Export, Secure & Sign PDF.
Prepress preparing tool and PDF editor
Tile large format PNG patterns into print-at-home PDF pages
GUI for updating PDF bookmarks using PDF Toolkit (PDFtk) on Windows
Create PDF from JPEG scans and photos
PDF Measuring and Takeoff Software for Construction
Convert pdf to a djvu using profiles with all options of pdf2djvu
Extract data in CSV format from PDFs