Best Open Source pdf Libraries
A curated list of the most popular GitHub repositories tagged with pdf. Select any project to visualize its architecture and dive into the codebase using RepoMind's AI engine.
#1justjavac/free-programming-books-zh_CN
:books: 免费的计算机编程类中文书籍，欢迎投稿
#2microsoft/markitdown
Python tool for converting files and office documents to Markdown.
#3Stirling-Tools/Stirling-PDF
#1 PDF Application on GitHub that lets you edit PDFs on any device anywhere
#4opendatalab/MinerU
Transforms complex documents like PDFs into LLM-ready markdown/JSON for your Agentic workflows.
#5docling-project/docling
Get your documents ready for gen AI
#6siyuan-note/siyuan
A privacy-first, self-hosted, fully open source personal knowledge management software, written in typescript and golang.
#7paperless-ngx/paperless-ngx
A community-supported supercharged document management system: scan, index and archive all your documents
#8ocrmypdf/OCRmyPDF
OCRmyPDF adds an OCR text layer to scanned PDF files, allowing them to be searched
#9PDFMathTranslate/PDFMathTranslate
[EMNLP 2025 Demo] PDF scientific paper translation with preserved formats - 基于 AI 完整保留排版的 PDF 文档全文双语翻译，支持 Google/DeepL/Ollama/OpenAI 等服务，提供 CLI/GUI/MCP/Docker/Zotero
#10hehonghui/awesome-english-ebooks
经济学人(含音频)、纽约客、卫报、连线、大西洋月刊等英语杂志免费下载,支持epub、mobi、pdf格式, 每周更新
#11posquit0/Awesome-CV
:page_facing_up: Awesome CV is LaTeX template for your outstanding job application
#12forthespada/CS-Books
🔥🔥超过1000本的计算机经典书籍、个人笔记资料以及本人在各平台发表文章中所涉及的资源等。书籍资源包括C/C++、Java、Python、Go语言、数据结构与算法、操作系统、后端架构、计算机系统知识、数据库、计算机网络、设计模式、前端、汇编以及校招社招各种面经~
#13koodo-reader/koodo-reader
A modern ebook manager and reader with sync and backup capacities for Windows, macOS, Linux, Android, iOS and Web
#14koreader/koreader
An ebook reader application supporting PDF, DjVu, EPUB, FB2 and many more formats, running on Cervantes, Kindle, Kobo, PocketBook and Android devices
#15opendataloader-project/opendataloader-pdf
PDF Parser for AI-ready data. Automate PDF accessibility. Open-source.
#16readest/readest
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.
#17ether/etherpad-lite
Etherpad: A modern really-real-time collaborative document editor.
#18diegomura/react-pdf
📄 Create PDF files using React
#19salomonelli/best-resume-ever
:necktie: :briefcase: Build fast :rocket: and easy multiple beautiful resumes and create your best CV ever! Made with Vue and LESS.
#20mayooear/ai-pdf-chatbot-langchain
AI PDF chatbot agent built with LangChain & LangGraph
#21sumatrapdfreader/sumatrapdf
SumatraPDF reader
#22documenso/documenso
The Open Source DocuSign Alternative.
#23T8RIN/ImageToolbox
🖼️ 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
#24jsvine/pdfplumber
Plumb a PDF for detailed information about each char, rectangle, line, et cetera — and easily extract text and tables.
#25py-pdf/pypdf
A pure-python PDF library capable of splitting, merging, cropping, and transforming the pages of PDF files
#26pymupdf/PyMuPDF
PyMuPDF is a high performance Python library for data extraction, analysis, conversion & manipulation of PDF (and other) documents.
#27ahrm/sioyek
Sioyek is a PDF viewer with a focus on textbooks and research papers
#28bytedance/Dolphin
The official repo for “Dolphin: Document Image Parsing via Heterogeneous Anchor Prompting”, ACL, 2025.
#29Kozea/WeasyPrint
The awesome document factory
#30oomol-lab/pdf-craft
PDF craft can convert PDF files into various other formats. This project will focus on processing PDF files of scanned books.
#31ciromattia/kcc
KCC (a.k.a. Kindle Comic Converter) is a comic and manga converter for ebook readers.
#32hadyang/interview
Java 笔试、面试 知识整理
#33Hufe921/canvas-editor
rich text editor by canvas/svg
#34qpdf/qpdf
qpdf: A content-preserving PDF document transformer
#35prawnpdf/prawn
Fast, Nimble PDF Writer for Ruby
#36tecnickcom/tc-lib-pdf
PHP PDF Library (TCPDF)
#37tobya/DocTo
Simple command line utility for converting .doc & .xls files to any supported format such as Text, RTF, CSV or PDF
#38SimplePDF/simplepdf-embed
PDF editor in the browser – add text, checkboxes, pictures, signatures to PDF files. Merge, rotate PDF pages – iframe, script and React component
#39datadrivenconstruction/OpenConstructionERP
Open-source construction ERP - BOQ, PDF/CAD/BIM takeoff, AI cost matching. 42 regional catalogues, 21 languages, 71 modules. AGPL-3.0. v3.0 - pip install openconstructionerp
#40shipfastlabs/parsel
A fast, helpful, and open-source document parser for PHP