Quarkdown alternatives for AI agents.

An extensible Markdown Editor, Viewer and Weblog Publisher for Windows

Get your documents ready for gen AI

Rust 程序设计语言（2024 edition 施工完毕）

🖼️ Image Toolbox is a powerful app for advanced image manipulation. It offers dozens of features, from basic tools like crop and draw to filters, OCR, and a wide range of image processing options

Fast Rust library for PDF inspection, classification, and text extraction. Intelligently detects scanned vs text-based PDFs to enable smart routing decisions.

#1 PDF Application on GitHub that lets you edit PDFs on any device anywhere

Transforms complex documents like PDFs and Office docs into LLM-ready markdown/JSON for your Agentic workflows.

A privacy-first, self-hosted, fully open source personal knowledge management software, written in typescript and golang.

A community-supported supercharged document management system: scan, index and archive all your documents

An ebook reader application supporting PDF, DjVu, EPUB, FB2 and many more formats, running on Cervantes, Kindle, Kobo, PocketBook and Android devices

A modern ebook manager and reader with sync and backup capacities for Windows, macOS, Linux, Android, iOS and Web

Readest is a modern, feature-rich ebook reader designed for avid readers offering seamless cross-platform access, powerful tools, and an intuitive interface to elevate your reading experience.

Open source DocuSign alternative. Create, fill, and sign digital documents ✍️

SumatraPDF reader

📄 Create PDF files using React

Xournal++ is a handwriting notetaking software with PDF annotation support. Written in C++ with GTK3, supporting Linux (e.g. Ubuntu, Debian, Arch, SUSE), macOS and Windows 10. Supports pen input from devices such as Wacom Tablets.