Crowbook alternatives for AI agents.

Get your documents ready for gen AI

A fast, helpful, and open-source document parser

OCRmyPDF adds an OCR text layer to scanned PDF files, allowing them to be searched

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

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

Python tool for converting files and office documents to Markdown.

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.

🪐 Markdown with superpowers: from ideas to papers, presentations, websites, books, and knowledge bases.

SumatraPDF reader

📄 Create PDF files using React

Your One-Stop Publication Workbench

Display PDFs in your React app as easily as if they were images.

PyMuPDF is a high performance Python library for data extraction, analysis, conversion & manipulation of PDF (and other) documents.

Sioyek is a PDF viewer with a focus on textbooks and research papers

QuestPDF is a modern library for PDF document generation. Its fluent C# API lets you design complex layouts with clean, readable code. Create documents using a flexible, component-based approach.

PDF补丁丁——PDF工具箱，可以编辑书签、剪裁旋转页面、解除限制、提取或合并文档，探查文档结构，提取图片、转成图片等等