Awesome GitHub RepositoriesDocument Format Converters

Tiptap is a headless, modular framework designed for building custom rich-text editors. It provides a developer-focused abstraction layer over a structured document model, allowing for full control over the underlying schema through a plugin-based architecture. By separating document state management from the user interface, it enables the creation of tailored editing experiences that remain framework-agnostic. The project distinguishes itself through a robust collaborative engine that supports real-time multi-user editing, conflict resolution, and presence tracking. It integrates artificial

CodeHub is a mobile application designed for managing remote repositories and reviewing code changes directly from a smartphone or tablet. It functions as a mobile client for GitHub, enabling users to browse repositories, monitor project progress, and interact with pull requests while away from a desktop computer. Beyond its repository management capabilities, the application serves as a document conversion utility and software comparison platform. It provides tools for transforming files between various formats while maintaining formatting integrity, as well as resources for evaluating and r

Excelize is a library for reading and writing spreadsheet files in the Office Open XML format. It provides a comprehensive suite of tools for programmatically creating, modifying, and analyzing workbooks, worksheets, and cell data, ensuring compatibility across various office software suites through structured XML serialization. The library distinguishes itself with a built-in formula calculation engine that evaluates complex mathematical and logical expressions directly against workbook data. It also features a memory-mapped streaming architecture, which allows for the efficient processing o

This project is a self-hosted documentation platform designed for collaborative knowledge base management. It provides a block-based editor that structures content as a tree of independent nodes, allowing for flexible layout composition and the creation of complex, nested document hierarchies. The platform distinguishes itself through an offline-first architecture that utilizes conflict-free replicated data types to maintain synchronization across multiple clients. This ensures that teams can continue editing content during network disconnections, with all changes merging automatically once c

BentoPDF is a browser-based document toolkit designed for local-first PDF manipulation, conversion, and metadata management. By executing all file processing tasks directly within the browser sandbox, the application ensures that sensitive data remains on the user's device and is never uploaded to or stored on external servers. The platform distinguishes itself through a modular architecture that supports dynamic remote script loading and the integration of external processing engines. Users can extend the core functionality by connecting third-party libraries, which are executed as compiled

CKEditor 5 is a modular rich text editor framework and JavaScript UI component used to build customizable visual editors. It serves as a system for generating HTML or Markdown content, providing both full rich-text editor components and restricted inline editor components for web applications. The framework includes a collaborative editing engine for real-time simultaneous editing, change tracking, and threaded commenting. It features an AI text assistant for polishing, rewriting, and generating content, as well as a document export engine that transforms rich text into PDF and Word files. T

epub.js is a JavaScript library for parsing and displaying EPUB files within a web browser. It functions as a digital publication layout engine and rendering library that enables the creation of browser-based eBook readers with support for both paginated spreads and continuous scrolling. The project provides a specialized framework for interactive eBook annotation and precise location tracking. It uses Content Fragment Identifiers to represent text positions as unique strings, allowing for stable bookmarking, text highlighting, and note-taking. The library covers a broad range of capabilitie

Nokogiri is an XML and HTML parsing library that builds navigable document trees from strings, files, or URLs using native C parsers for speed and standards compliance. It provides a CSS selector engine that translates CSS3 selectors into XPath expressions for querying nodes, an XPath query interface with namespace support, a document manipulation toolkit for modifying parsed documents, XSD schema validation, and XSLT transformation capabilities. The library wraps libxml2 and libxslt C libraries with Ruby bindings for high-performance parsing, and integrates Google's Gumbo parser for standard

vue-office ist eine Bibliothek für die Vorschau von Office-Dokumenten und ein webbasierter Dokumentenbetrachter, der darauf ausgelegt ist, Word-, Excel-, PowerPoint- und PDF-Dateien direkt im Webbrowser zu rendern. Es bietet eine Sammlung wiederverwendbarer Komponenten, die die Anzeige von Dokumenten über Netzwerk-URLs, Datenpuffer oder Blob-Daten ermöglichen, ohne dass externe Plugins erforderlich sind. Diese Rendering-Lösung ist als Framework-übergreifender Dokumenten-Renderer konzipiert und bietet Integrationen für Vue 2, Vue 3 und React. Sie ermöglicht die clientseitige Dokumentenanzeige, um serverseitige Konvertierungsprozesse zu vermeiden. Die Bibliothek handhabt die Dokumentenvisualisierung durch clientseitiges Parsing und Content-Rendering. Sie nutzt Canvas-basiertes Rendering für PDFs und bildet Dokumentenstile auf CSS ab, um die visuelle Wiedergabetreue im Browser zu wahren.

EpicEditor ist ein JavaScript-basierter Markdown-Editor, der als einbettbare UI-Komponente für Webanwendungen konzipiert ist. Er fungiert als Local-First-Content-Manager und nutzt den lokalen Browserspeicher für das automatische Speichern von Entwürfen und die Offline-Inhaltspersistenz. Der Editor zeichnet sich durch die Verwendung von Iframes zur Isolierung von Stilen aus, was CSS-Leckagen zwischen dem Editor und der Host-Anwendung verhindert. Er verfügt über einen anpassbaren Markdown-Parser, der es Entwicklern ermöglicht, die Standard-Parsing-Engine durch benutzerdefinierte Funktionen zu ersetzen, um Text in spezifische Ausgabeformate umzuwandeln. Das System bietet eine Split-Pane-Schnittstelle für gleichzeitiges Bearbeiten und Vorschauen, mit Unterstützung für den Vollbildmodus und dynamische Größenanpassungen. Es enthält ein Dokumentenmanagementsystem zum Erstellen, Umbenennen und Löschen von Dateien sowie Mechanismen zum Importieren und Exportieren von Inhalten als Text, HTML oder JSON.

zip.js is a JavaScript library designed for creating, reading, and extracting ZIP archives directly within a web browser. It provides a comprehensive toolkit for managing compressed files and encrypted data storage entirely on the client side, eliminating the need for server-side backends or external dependencies. The library distinguishes itself by utilizing the Web Streams API and multi-core processing to handle large datasets efficiently. By offloading heavy compression and decompression tasks to background worker threads, it ensures that the browser interface remains responsive during int

Booklore is a self-hosted e-book manager and digital library platform designed to organize personal collections of e-books and metadata. It functions as a metadata server for indexing book files and synchronizing library states across multiple devices and readers. The project includes a web-based reader for opening EPUB, PDF, and comic files directly in the browser with tools for highlighting, annotating, and tracking reading progress. It features an automated importer that monitors local directories for new files to trigger metadata extraction and fetch covers and descriptions from external