C C alternatives for AI agents.

A fast image processing library with low memory needs.

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

SumatraPDF reader

Your One-Stop Publication Workbench

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

Universal File Online Preview Project based on Spring-Boot

PDF tooling for Go and the command line.

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

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

Get your documents ready for gen AI

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.

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

Convert documents to structured data effortlessly. Unstructured is open-source ETL solution for transforming complex documents into clean, structured formats for language models. Visit our website to learn more about our enterprise grade Platform product for production grade workflows, partitioning, enrichments, chunking and embedding.