#1 PDF Application on GitHub that lets you edit PDFs on any device anywhere
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Bring projects, wikis, and teams together with AI. AppFlowy is the AI collaborative workspace where you achieve more without losing control of your data. The leading open source Notion alternative.
- content-management
- content-services
- wiki
- project-management
AI turns documents or topics into real, native PowerPoint decks—with native shapes, transitions and animations, data-backed charts and tables on demand, audio narration from speaker notes, and support for your own .pptx templates. · by Hugo He
- ai-agent
- powerpoint
- pptx
- presentation
OfficeCLI is the first and best Office suite purpose-built for AI agents to read, edit, and automate Word, Excel, and PowerPoint files. Free, open-source, single binary, no Office installation required.
An ebook reader application supporting PDF, DjVu, EPUB, FB2 and many more formats, running on Cervantes, Kindle, Kobo, PocketBook and Android devices
- luajit
- kobo
- kindle
- eink
🔥 A highly scalable, offline-first foundation with the best developer experience and a focus on performance and best practices.
:rocket: The Ultimate Image Uploader for Efficient Creators. Supports Obsidian, Typora, VS Code etc. and 60+ image hosting services (S3, GitHub, Cloudflare R2, Imgur, Aliyun OSS...). Paste, upload, done.
- electron
- electron-app
- electron-vue
- vue
Build your own AI office with Univer Office SDK. Bring editing, calculation, collaboration, and file processing into your product for people and AI agents. Built on an extensible open-source core.
Free, open-source file converter. Convert 263 formats offline by drag & drop — images, PDF, Word, Excel, PowerPoint, HWP/HWPX, video, audio, e-books and archives. No upload, no Office needed.
- audio-converter
- avalonia
- batch-conversion
- converter
Go language library for reading and writing Microsoft Excel™ (XLAM / XLSM / XLSX / XLTM / XLTX) spreadsheets
Generate audiobooks from e-books, 50+ TTS engines with voice cloning and 1696 languages!
Docs is an open-source text editor: web-native, made for real-time collaboration, cleanly structured documents and sub-documents with full ownership of your data. Built to scale with Django and React.
- knowledge
- wiki
- blocknotejs
- collaborative
Xournal++ is a handwriting notetaking software with PDF annotation support. Written in C++ with GTK3, supporting Linux (e.g. Ubuntu, Debian, Arch, SUSE), macOS and Windows 10. Supports pen input from devices such as Wacom Tablets.
- notetaking
- crossplatform
- gtk3
- c-plus-plus
DeDRM tools for ebooks
Universal File Online Preview Project based on Spring-Boot
- fileview
- kkfileview
- office-view
- fileviewer
Office Tool Plus localization projects.
- office-tools
- office
- office-365
- office365
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.
- nuget
- c-sharp
- dotnet-core
A pure PHP library for reading and writing spreadsheet files
- php
- spreadsheet
- excel
- libreoffice
Your One-Stop Publication Workbench
- office
- productivity
- electron
- offline
A developer-friendly API for converting many document formats into PDF files, and more!
🚀 Supercharged Excel exports and imports in Laravel
- laravel
- phpexcel
- php
- phpoffice
Translate PDF, EPub, webpage, metadata, annotations, notes to the target language. Support 20+ translate services.
- zotero
- translate
- translation
- plugin
Free, open-source AI Office suite: Docs, Sheets, Slides, PDF, Markdown and HTML editors with a built-in AI agent, plus a `genoffice` CLI and agent skill so Claude Code, Codex and Cursor can create and edit real .docx/.xlsx/.pptx files locally. Bring your own key. macOS, Windows & Linux.
Self-hosted bookmark manager that is designed be to be minimal, fast, and easy to set up using Docker.
- bookmarks
- bookmark-service
- bookmark-manager
- self-hosted