Hackable CLI tool for converting Markdown files to PDF using Node.js
borb is a library for reading, creating and manipulating PDF files
iLovePDF Rest Api - PHP Library
PDF Combiner is a user-friendly, GUI-based tool built in
#1 Locally hosted web application that allows you to work on PDFs
Convert .docx to .md/.txt and .html. Free, unlimited, fast.
Convert files like docx, xlsx, pptx, html, and more to MarkDown
Free HTML to PDF Converter for C# .NET and ASP.NET MVC
The DjVu complete solution,with OCR Technology(Arabic ,English).
Convert PDF to JPG via a web service
Application front-end PDFTK to manage operations on PDF files
Convert PDF versions, so old software can still be used.