Browse free open source Formats and Protocols and projects for Linux below. Use the toggles on the left to filter open source Formats and Protocols by OS, license, language, programming language, and project status.
PDF transformation/manipulation program + library
XML editor
The universal markup converter
Fast XML parser library in C
Zefania XML bible modules
Convert HTML to PDF using Webkit (QtWebKit)
Scan documents to PDF and other file types, as simply as possible.
A simple interface for working with TeX documents
A PDF Reader in JavaScript
A cross-platform XML/CSS based eBook reader
Development toolkit for Web Services and XML data bindings for C & C++
PHP library generating PDF files from UTF-8 encoded HTML
converts PostScript or PDF files to other vector graphics formats
Convert PDF to HTML without losing text or format
An ebook reader application supporting PDF, DjVu, EPUB, FB2, etc.
WebDriver for Firefox
PHP class for PDF
OCRmyPDF adds an OCR text layer to scanned PDF files
Open source PDF editor