PDFCraft is a free, privacy-focused PDF toolkit
A Kotlin web framework
C++ Qt ORM (Object Relational Mapping) and ODM library
Fast XML parser library in C
Development toolkit for Web Services and XML data bindings for C & C++
XML Schema for questionnaires and PDF questionnaire generator
An editor for structured documents
Set JSON values very quickly in Go
Pure Java HTML / CSS rendering engine
Represents JSON doc as a nodes tree for transforms like XPATH & XSLT.
LaTeX classes and templates for typesetting dissertations in Russian
PHP class for PDF
Music score editor
PDF Library for Developers
A Node queue API for generating PDFs using headless Chrome
Automatically extract body content (and other cool stuff) from HTML
Framework for search and display of heterogenous document collections.
an XML doc type for expressing international holidays + actual defs
Cookbook Style Document for DocBook Customizations
A free universal Braille Transcriber