Awesome GitHub RepositoriesDocument Language Specifications

QuestPDF is a C# PDF generation library and layout engine used to create structured documents, reports, and invoices. It utilizes a fluent API and a component-based layout approach to convert code into high-fidelity PDF and XPS files. The library distinguishes itself with a dedicated layout debugger that provides real-time previews, hot-reload capabilities, and visual boundary tools to map rendered elements back to source code. It also functions as an accessibility tool, providing semantic tagging and navigational aids to ensure documents comply with international accessibility and archival s

This repository contains the HTML specification, which defines the core standards for web page structuring, content organization, and document rendering. It establishes the fundamental algorithms for state-machine-based tokenization, tree construction for the document object model, and origin-based security isolation. The specification provides a framework for defining custom elements with independent lifecycles and registries. It also details the requirements for cross-document communication, session history management, and the synchronization of interface properties with content attributes.

This project is a collection of PDF document templates and style configurations designed to automate the transformation of Markdown content into typeset academic or professional documents. It provides a specialized workflow for generating high-quality PDF reports, books, and presentations from structured text source files. The templates allow for extensive visual customization of titles, logos, background images, and headers and footers. Users can manage document typography and layout rules through a system of visual variables and metadata mapping. The system covers a broad range of output f