Turn any technical book PDF into a Claude Code skill — ready to study, reference, and use while you work.

A fast, helpful, and open-source document parser

Modular SenseNova skills for building AI-powered office assistants and productivity workflows

A system for agentic LLM-powered data processing and ETL

在保留版面、公式与结构的前提下进行 PDF 翻译，适用于科研与技术文档

ExtractThinker is a Document Intelligence library for LLMs, offering ORM-style interaction for flexible and powerful document workflows.

OpenOCR: An Open-Source Toolkit for General-OCR Research and Applications, integrates a unified training and evaluation benchmark, commercial-grade OCR and Document Parsing systems, and faithful reproductions of the core implementations from a wide range of academic papers.

The fastest PDF library for Python and Rust. Text extraction, image extraction, markdown conversion, PDF creation & editing. 0.8ms mean, 5× faster than industry leaders, 100% pass rate on 3,830 PDFs. MIT/Apache-2.0.

Give your AI agent eyes for PDFs — structured text, tables, OCR, visual evidence, and page-level citations via MCP. Native Rust, local-first.

Local-first, open-source AI assistant for your data. Unify tasks, notes, docs, photos, and bookmarks. Private, self-hosted, and extensible via APIs.

Transform unstructured documents into validated, rich and queryable knowledge graphs.

有情绪的 AI 桌面伴侣 | 隐私优先 · 语音唤醒 · 协助办公 · MCP 无限扩展 | An AI desktop companion with emotions — privacy-first, voice wake, office assistance, and MCP extensibility

Java PDF table extraction & OCR library. Extract structured tables from text-based and scanned PDFs using stream, lattice (OpenCV-style grid detection), and hybrid parsing.

Open-source batch OCR workbench — a free, local alternative to ABBYY FineReader. Powered by Ollama + GLM-OCR + PP-DocLayoutV3, ~0.5s/page on RTX 4090. Three-panel editor, layout-aware, PDF/image batch processing, Markdown/Word export. 批量OCR工作台，纯本地运行，免费平替ABBYY，适合书籍文档数字化。

PowerPoint .NET library for reading, modifying, and generating PPTX presentations without Microsoft Office

Generic framework for historical document processing

TWIX is an open-source data extraction tool that reconstructs structured data from documents at scale, accurately and at low cost, by inferring the shared underlying visual template across documents

Turn PDFs into clean, structured Markdown

⚡ Cloud-native, AI-powered, document processing pipelines on AWS.

Pure Rust PDF library for AI/RAG: structure-aware chunking, no ML, no C deps.