borb is a library for reading, creating and manipulating PDF files
iLovePDF Rest Api - PHP Library
Hackable CLI tool for converting Markdown files to PDF using Node.js
Remove Password from multiple PDF files in one click
PDF Combiner is a user-friendly, GUI-based tool built in
#1 Locally hosted web application that allows you to work on PDFs
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Gerber to PDF converter
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PyExe: Cbz to pdf converter [Improved.Simplified.Alternative]
You have a free pdf converter\creator solution
PDF File Converter / Compression / Fusion
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PDF-Docx Generator [Improved.Simplified.Alternative]
Docx-2-PDF: The Converter [Improved.Simplified.Alternative]
Convert pdf to a djvu using profiles with all options of pdf2djvu
Free HTML to PDF Converter for C# .NET and ASP.NET MVC
Conver pdf to images in different formats with different resolution
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The DjVu complete solution,with OCR Technology(Arabic ,English).
Now With Speaking Words you can convert all documents in Audio Files