OCRmyPDF adds an OCR text layer to scanned PDF files
MD/.JSON Document OCR and structured data extraction API
A simple tool for reading in poorly redacted documents
Scan documents to PDF and other file types, as simply as possible.
World's most comprehensive, powerful, process-based PDF editor
World's most comprehensive, powerful, process-based PDF editor
It is a Windows library that merges standard PDFs into a final PDF
PDF Library for Developers