Open-source pdf software
504 open-source libraries, tools and applications tagged pdf, ranked by how closely pdf is their primary purpose, then by adoption and maintenance health. Each entry links to a page with sources, use cases and when to choose or avoid it.
504 products, primary matches first, then adoption-weighted; health v2 shown.
| Product | Health v2 | Stars | Maturity |
|---|---|---|---|
| euske/pdfminer PDFMiner is a pure-Python library and CLI tool for parsing PDF documents and extracting text along with layout information such as fonts, p… | 10 | 5269 | abandoned |
| jung-kurt/gofpdf A Go library that generates PDF documents with high-level support for text, drawing, and images. It is pure Go with no dependencies beyond … | 10 | 4467 | abandoned |
| run-llama/llama_cloud_services LlamaCloud Services provides cloud-hosted document parsing and knowledge agent tooling, including the LlamaParse document parser that conve… | 66 | 4266 | abandoned |
| iOS PDF Reader Suite An open-source PDF reader/viewer library for iOS written in Objective-C, providing a complete PDF viewing component with multithreaded rend… | 32 | 4245 | abandoned |
| saadq/resumake.io Resumake is a free, open-source web application for automatically generating elegant LaTeX resumes without ads, accounts, or data collectio… | 69 | 3586 | abandoned |
| marcbachmann/node-html-pdf A Node.js library and CLI that converts HTML documents to PDF using the PhantomJS headless browser, supporting page sizes, headers, and foo… | 10 | 3574 | abandoned |
| ArtifexSoftware/pdf2docx A Python library and CLI for converting PDF files into editable DOCX (Word) documents, with layout, text, and table extraction built on PyM… | 78 | 3530 | abandoned |
| mukulpatnaik/researchgpt A FastAPI-based research assistant that lets users have a conversation with any PDF research paper by extracting text, generating embedding… | 10 | 3527 | abandoned |
| JoanZapata/android-pdfview Android PDFView is a Java library providing a fast PDFView component for Android apps with animations, gestures, and zoom support, based on… | 32 | 2823 | abandoned |
| WZBSocialScienceCenter/pdftabextract pdftabextract is a Python library of tools for extracting tabular data from OCR-processed scanned PDFs ('sandwich PDFs' containing scanned … | 32 | 2256 | abandoned |
| arachnys/athenapdf Athena is a Docker-powered HTML-to-PDF conversion tool consisting of an Electron-based CLI and a Go microservice, designed as a drop-in rep… | 10 | 2244 | abandoned |
| JazzCore/python-pdfkit A Python 3 wrapper around the wkhtmltopdf utility that converts HTML, URLs, or strings into PDF documents using Webkit rendering. It expose… | 23 | 2046 | abandoned |
| RD17/ambar Ambar is an open-source, self-hosted document search engine with automated file system crawling, OCR, tagging, and instant Google-like full… | 10 | 1943 | abandoned |
| scantailor/scantailor Scan Tailor is an interactive post-processing tool for scanned pages, performing operations like page splitting, deskewing, border adjustme… | 10 | 1801 | abandoned |
| bughandler/cnki-downloader A small desktop tool for searching and downloading academic literature from CNKI (China National Knowledge Infrastructure). Its backend int… | 44 | 1766 | abandoned |
| blaisewang/img2latex-mathpix A JavaFX desktop application that converts images of equations and text into LaTeX, MathML, TSV, and other formats using the MathpixOCR API… | 10 | 1401 | abandoned |
| windingwind/zotero-pdf-preview A Zotero plugin that renders fast PDF previews of attachments directly in the library view's side panel. It is now archived because Zotero … | 10 | 1250 | abandoned |
| mobfarm/FastPdfKit FastPdfKit is an Objective-C static library for embedding fast PDF viewing in iOS applications, offering features like page sliding, search… | 32 | 1220 | abandoned |
| ZhongXiaoHong/superFileView An Android demo application that displays documents (doc, docx, xls, ppt, pdf, txt) using Tencent's TBS X5 WebKit kernel. It supports viewi… | 32 | 1198 | abandoned |
| VikParuchuri/texify Texify is a deep-learning OCR model that converts images or PDFs containing math into markdown and LaTeX renderable by MathJax. It handles … | 10 | 1124 | abandoned |
| PdfiumViewer A C# WinForms library wrapping Google's PDFium to render and display PDF documents. It provides PdfDocument for loading PDFs, PdfRenderer f… | 10 | 1025 | abandoned |
| Alchemy Alchemy is an open-source desktop file converter built on Electron and React that lives in the menu bar on macOS and Windows. It offers a d… | 23 | 1000 | abandoned |
| binary-husky/gpt_academic GPT Academic is a self-hosted Python application providing a practical chat interface for LLMs like GPT, GLM, Qwen, DeepSeek, and Claude, w… | 47 | 71417 | active |
| Pandoc Pandoc is a universal markup converter written in Haskell, available as both a library and a command-line tool. It converts documents betwe… | 99 | 46615 | stable |
| Cinnamon/kotaemon Kotaemon is an open-source RAG-based application providing a clean, customizable UI for chatting and doing question answering with your own… | 79 | 25795 | active |
| C4illin/ConvertX ConvertX is a self-hosted web application for converting files between over a thousand formats, built with TypeScript, Bun, and Elysia. It … | 92 | 19157 | active |
| documenso/documenso Documenso is an open-source, self-hostable alternative to DocuSign for digitally signing documents, built with Next.js, TypeScript, and Pos… | 99 | 15463 | active |
| Zettlr Zettlr is a free, open-source, privacy-first Markdown editor and publication workbench for academic and professional writing, built with El… | 97 | 13671 | active |
| James-Yu/LaTeX-Workshop LaTeX Workshop is a Visual Studio Code extension providing core LaTeX typesetting features such as compilation, PDF preview, autocompletion… | 77 | 12367 | active |
| H2O h2oGPT is an Apache-2.0 open-source application for chatting with local, private LLMs and querying/summarizing your own documents (PDFs, Wo… | 10 | 11942 | active |
| tw93/Kami Kami is a constraint-based document design system packaged as an installable skill/plugin for AI coding agents like Claude Code and Codex. … | 81 | 11932 | active |
| Kareadita/Kavita Kavita is a fast, cross-platform, self-hosted reading server for manga, comics, webtoons, and ebooks (EPUB, PDF, CBZ/CBR). It provides resp… | 98 | 11887 | active |
| qiye45/wechatDownload A desktop tool for batch downloading WeChat Official Account (公众号) articles, saving them as html/mhtml/md/pdf/docx/csv and preserving embed… | 84 | 9560 | active |
| chuspeeism/dashi-ppt-skill An AI-agent skill that generates browser-editable presentations from documents, with 12 visual themes and thousands of layout pages and con… | 62 | 9300 | active |
| MuiseDestiny/zotero-gpt A Zotero plugin that integrates OpenAI GPT models into the Zotero reference manager, letting users ask questions about PDFs, summarize pape… | 73 | 7420 | active |
| l0o0/jasminum Jasminum is a Zotero add-on that retrieves Chinese metadata, primarily from CNKI (China National Knowledge Infrastructure), for Chinese-lan… | 100 | 7308 | active |
| Epub.js Epub.js is a JavaScript library for rendering ePub documents in the browser across many devices. It provides interfaces for common ebook fu… | 52 | 6962 | stable |
| ONLYOFFICE Docs ONLYOFFICE Docs (Document Server) is a free, self-hostable collaborative online office suite with viewers and editors for text documents, s… | 85 | 6925 | active |
| al1abb/invoify Invoify is a free, web-based invoice generator built with Next.js, TypeScript, React, and shadcn/ui. Users fill in a form, pick from 13 tem… | 69 | 6364 | active |
| joeseesun/qiaomu-anything-to-notebooklm A Claude Code Skill that ingests content from 15+ sources (WeChat articles, web pages, YouTube, PDFs, EPUB, Office docs, audio) and uploads… | 69 | 6347 | active |
| NEKOparapa/AiNiee AiNiee is an AI-powered translation tool focused on automatically translating complex long-form content such as RPG/SLG game text, Epub/TXT… | 93 | 6293 | active |
| AidLux (AidLearning) AidLux (originally AidLearning) is an AIoT development platform that runs a native Ubuntu Linux environment with GUI, deep learning tooling… | 63 | 5812 | active |
| freedomofpress/dangerzone Dangerzone is a desktop application from Freedom of the Press Foundation that converts untrusted documents (PDFs, office files, images) int… | 86 | 5785 | active |
| ONLYOFFICE/DesktopEditors ONLYOFFICE Desktop Editors is a free, open-source desktop office suite combining text document, spreadsheet, presentation, PDF, and form ed… | 81 | 5429 | stable |
| Canvas Editor A Canvas/SVG-based WYSIWYG rich text editor library for the browser, offering Word-like paginated editing with tables, controls, watermarks… | 77 | 5228 | active |
| katanaml/sparrow Sparrow is an open-source framework for structured data extraction from documents (PDFs, images) using ML, LLMs, and Vision LLMs, with sche… | 92 | 5225 | active |
| Asciidoctor Asciidoctor is a fast, open source Ruby-based text processor and publishing toolchain that parses AsciiDoc content into a document model an… | 81 | 5222 | stable |
| tectonic-typesetting/tectonic Tectonic is a modernized, self-contained TeX/LaTeX typesetting engine built on XeTeX and TeXLive, implemented largely in Rust. It compiles … | 85 | 5133 | active |
| Marker-Inc-Korea/AutoRAG AutoRAG 2.0 is a self-evolving librarian agent that searches local document collections (PDFs, wikis, notes) and curates results into struc… | 94 | 5122 | active |
| LibreOffice/core LibreOffice is a free, open-source office suite comprising Writer (word processing), Calc (spreadsheets), Impress (presentations), Draw (ve… | 77 | 4536 | stable |
| kaixindelele/ChatPaper ChatPaper is a Python tool that uses ChatGPT to summarize arXiv papers, translate full PDFs, polish academic writing, and simulate peer rev… | 59 | 19943 | maintenance |
| mayooear/ai-pdf-chatbot-langchain A monorepo template for an AI PDF chatbot agent that ingests PDFs, stores embeddings in Supabase, and answers questions using OpenAI via La… | 10 | 16589 | maintenance |
| morphik-org/morphik-core Morphik Core is an open-source, source-available multimodal retrieval engine for building RAG applications over unstructured data like PDFs… | 65 | 3711 | active |
| pashpashpash/vault-ai OP Vault is a self-hosted application combining a Go backend with a React frontend that lets users upload documents (PDF, txt, epub) into a… | 40 | 3389 | active |
| icereed/paperless-gpt A self-hosted companion application for paperless-ngx that uses LLMs and vision models to auto-generate document titles, tags, and dates, a… | 90 | 2773 | active |
| codedogQBY/ReadAny ReadAny is a local-first, AI-powered cross-platform e-book reader for desktop and mobile. It combines RAG-based chat with your books, hybri… | 79 | 2738 | active |
| szTheory/exifcleaner ExifCleaner is a free, open-source cross-platform desktop GUI app that strips EXIF and other metadata from images, videos, and PDFs using E… | 98 | 2717 | active |
| LigphiDonk/academic-figure-generator A self-hosted AI-powered platform that generates high-quality academic paper figures: users upload a paper (PDF/DOCX/TXT), Claude analyzes … | 56 | 2674 | active |
| papersgpt/papersgpt-for-zotero PapersGPT is a Zotero plugin that lets researchers chat with single PDFs, multiple documents, or their entire library using cloud LLMs (Cha… | 82 | 2653 | active |
| flyfish-dev/file-viewer A browser-native file preview library that renders Office documents (DOCX, XLSX, PPTX), PDF/OFD, CAD files (DWG, DXF), archives, email, dia… | 82 | 2559 | active |
| ossappscollective/OSS-DocumentScanner OSS Document Scanner is a free, open-source, privacy-focused mobile app for scanning documents with automatic edge detection, editing, OCR,… | 92 | 2472 | active |
| X-PLUG/mPLUG-DocOwl mPLUG-DocOwl is a family of multimodal large language models from Alibaba for OCR-free document understanding, including DocOwl1.5 and DocO… | 37 | 2413 | active |
| eikek/docspell Docspell is a self-hosted document management system (DMS) for organizing scanned papers, e-mails, and other files. It automates metadata t… | 68 | 2338 | active |
| apache/poi Apache POI is a Java library for reading and writing Microsoft Office documents in both OLE2 binary formats (XLS, DOC, PPT) and Office Open… | 76 | 2277 | stable |
| VolodymyrBaydalka/docxjs docxjs (published as docx-preview) is a JavaScript/TypeScript library that renders Microsoft Word DOCX documents into semantic HTML in the … | 81 | 2108 | active |
| CaviraOSS/PageLM PageLM is an open-source, AI-powered education platform inspired by NotebookLM that transforms study materials like PDFs and notes into int… | 62 | 2028 | active |
| themsaid/ibis Ibis is a PHP command-line tool for writing eBooks in Markdown and converting them into styled PDF files. It generates a cover page, clicka… | 28 | 2008 | active |
| xushanpei/open-file-viewer A framework-agnostic embedded file preview SDK for web applications that renders PDFs, Office documents, images, media, archives, emails, C… | 80 | 1846 | active |
| ethereal-developers/OpenScan OpenScan is an open-source Android document scanner app built with Flutter that converts photos of documents, notes, and business cards int… | 86 | 1837 | active |
| AlibabaResearch/AdvancedLiterateMachinery A collection of original OCR and document understanding models, algorithms, and benchmarks from Alibaba's Tongyi Lab, including models like… | 52 | 1833 | active |
| githubXiaowangzi/NP-Manager NP-Manager is an Android application for APK, DEX, JAR, Smali, PDF, and media file manipulation. It provides reverse-engineering features s… | 75 | 1818 | active |
| gettalong/kramdown kramdown is a fast, pure-Ruby library for parsing and converting a superset of Markdown (including GFM and PHP Markdown Extra extensions) t… | 48 | 1782 | stable |
| steven-jianhao-li/zotero-AI-Butler A Zotero plugin that acts as an AI-powered research butler: it automatically scans PDFs added to your Zotero library and sends them to a us… | 77 | 1765 | active |
| sanjib-sen/WebLaTex WebLaTex is a self-hosted, browser-based LaTeX editing environment built on VS Code and GitHub Codespaces/dev containers, bundling TeX Live… | 32 | 1750 | active |
| lifan0127/ai-research-assistant Aria is a Zotero plugin that brings GPT-powered AI assistance to reference management, letting researchers chat with their library items, P… | 24 | 1729 | active |
| cweijan/vscode-office A VS Code extension that adds preview and editing support for office and design file formats such as Excel, Word, PowerPoint, PDF, EPUB, PS… | 73 | 1693 | active |
| WenmuZhou/PytorchOCR A PyTorch-based OCR toolkit that ports PaddleOCR models to PyTorch, supporting common text detection and recognition algorithms like the PP… | 56 | 1527 | active |
| jonaswinkler/paperless-ng Paperless-ng is a self-hosted document management system that scans, OCRs, indexes, and archives physical documents with full-text search a… | 10 | 5408 | maintenance |
| astubenbord/paperless-mobile Paperless Mobile is a Flutter-based mobile client for the paperless-ngx document management system, available on Android and iOS. It lets u… | 80 | 1471 | active |
| baotlake/office-website ZIZIYI Office is a web-based office suite for viewing and editing Word, Excel, and PowerPoint documents entirely in the browser, built on O… | 48 | 1460 | active |
| hanxi/cups-web A web-based print management application built on CUPS that turns a home USB printer into an always-available network print service. It run… | 84 | 1452 | active |
| elabftw/elabftw eLabFTW is a free, open source electronic lab notebook (ELN) and laboratory inventory management system for research teams, accessed via th… | 95 | 1442 | stable |
| Acclorite/book-story Book's Story is a free, open-source, ad-free eBook reader app for Android built with Jetpack Compose and Material You design. It supports E… | 53 | 1408 | active |
| zelon88/HRConvert2 HRConvert2 is a self-hosted, resource-aware file conversion server written in PHP that supports 488 file formats across documents, images, … | 96 | 1377 | active |
| chearon/dropflow Dropflow is a CSS layout engine written in TypeScript that implements foundational CSS standards (inlines, blocks, floats, positioning) wit… | 90 | 1368 | active |
| bevibing/tutor-skills A pair of Claude Code skills that convert documents (PDF, MD, HTML, EPUB) or source codebases into structured Obsidian study vaults with in… | 43 | 1333 | active |
| zsyggg/paper-craft-skills A collection of Claude Code / Codex agent skills that turn academic papers into method figures, visual slide decks, and in-depth HTML artic… | 50 | 1250 | active |
| frotms/PaddleOCR2Pytorch A PyTorch port of PaddleOCR that lets you run PaddleOCR-trained models (detection, recognition, and document structure parsing) without the… | 70 | 1213 | active |
| sbs20/scanservjs scanservjs is a self-hosted web UI frontend for SANE-compatible scanners, letting you share one or more scanners over a network from a Linu… | 90 | 1162 | active |
| MrSibe/KnowNote KnowNote is a local-first, open-source desktop application built with Electron that serves as an alternative to Google NotebookLM. It lets … | 52 | 1100 | active |
| Renovamen/oh-my-cv Oh My CV! is an in-browser, local-first Markdown resume builder with real-time preview and PDF export. It runs as a static PWA that stores … | 32 | 1092 | active |
| Goekdeniz-Guelmez/Local-NotebookLM A local, open-source alternative to Google's NotebookLM that converts PDF documents into audio content like podcasts, summaries, and interv… | 68 | 1037 | active |
| Media Extended ZotLit is a pair of community plugins (an Obsidian plugin and a Zotero companion add-on) that integrates a Zotero reference library into Ob… | 97 | 1026 | active |
| syt2/zotero-scipdf A Zotero 7/8 plugin that configures Zotero's built-in PDF resolvers to automatically download open papers from Sci-Hub sites. It ships as a… | 90 | 1018 | active |
| paulgessinger/swift-paperless Swift Paperless is a native iOS app built with SwiftUI for interacting with a self-hosted Paperless-ngx document management system. It lets… | 91 | 1010 | active |
| DocHub DocHub is an open-source document library (wenku) system inspired by Baidu Wenku, built with Go and the Beego framework. It converts Office… | 23 | 2954 | maintenance |
| Ucas-HaoranWei/Vary Official ECCV 2024 implementation of Vary, a method for scaling up the vision vocabulary of large vision-language models. It provides train… | 27 | 1890 | maintenance |
| kanishka-linux/reminiscence Reminiscence is a self-hosted bookmark and archive manager built with Django that saves web pages in HTML, PDF, or full-page PNG formats. I… | 23 | 1859 | maintenance |
| laramies/metagoofil Metagoofil is a Python command-line OSINT tool that searches Google for public documents (pdf, doc, xls, ppt) on target websites, downloads… | 32 | 1333 | maintenance |
| LaTeX OCR A deep-learning application that converts images of math formulas (printed, handwritten, and Chinese-mixed) into LaTeX code using a Seq2Seq… | 32 | 1316 | maintenance |