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