Browse free open source PDF software and projects below. Use the toggles on the left to filter open source PDF software by OS, license, language, programming language, and project status.
A PDF Reader and Note-taker for OS X
PDF transformation/manipulation program + library
Scan documents to PDF and other file types, as simply as possible.
A PDF Reader in JavaScript
The universal markup converter
HTML to PDF converter for PHP
Open source PDF editor
PHP library generating PDF files from UTF-8 encoded HTML
PHP class for PDF
World's most comprehensive, powerful, process-based PDF editor
Enhanced version of the PDFTK Builder GUI for PDF Toolkit on Windows
HTML5 client solution for generating PDFs
open source Java library for creating and editing PDF files
Multi-format (PDF, EPUB, MOBI, FB2, CHM, XPS, DjVu) reader for Windows
Converts every printable document to PDF, JPG, PNG, TIF and more
converts PostScript or PDF files to other vector graphics formats
PDF Library for Developers
OCRmyPDF adds an OCR text layer to scanned PDF files
A PDF parsing, modification and creation library.
Convert HTML to PDF using Webkit (QtWebKit)