#1 PDF Application on GitHub that lets you edit PDFs on any device anywhere
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Joplin - the privacy-focused note taking app with sync capabilities for Windows, macOS, Linux, Android and iOS.
- react-native
- nodejs
- onedrive
- android
Draw and edit draw.io diagrams by chatting with an AI. Web app, desktop app, and an MCP server for Claude Code, Cursor, Codex and VS Code.
- ai
- diagrams
- architecture-diagram
- claude-code
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.
- ebook
- ebook-reader
- epub
- foliate
Fast math typesetting for the web.
An open-source screen recorder built with web technology
- screen-recorder
- javascript
- electron
- mac
Etherpad: A modern really-real-time collaborative document editor.
- etherpad
- collaboration
- web-editor
- documents
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
The monorepo home to all of the FormatJS related libraries, most notably react-intl.
🌱 a fast, batteries-included static-site generator that transforms Markdown content into fully functional websites
- digital-garden
- obsidian-md
- obsidian
- networked-thought
🥗 All-in-one professional pop-up dictionary and page translator which supports multiple search modes, page translations, new word notebook and PDF selection searching.
- chrome
- extension
- firefox-addon
- react
Capture first. Organize later. A local-first Markdown app that turns scattered records into clear notes with AI.
Translate PDF, EPub, webpage, metadata, annotations, notes to the target language. Support 20+ translate services.
- zotero
- translate
- translation
- plugin
Self-hosted collection of powerful web-based tools for everyday tasks. No ads, no tracking, just fast, accessible utilities right from your browser!
Business intelligence as code: build fast, interactive data visualizations in SQL and markdown
🧩 Content editing tech stack for the web - BlockSuite is a toolkit for building editors and collaborative applications.
- block
- collaboration
- crdt
- editor
Developer & translator friendly web-based localization platform
- localization
- localization-tool
- internationalization
- i18n
Build beautiful, interactive API Docs with embeddable React or Web Components, powered by OpenAPI and Markdown.
- api
- api-documentation
- openapi3
- openapi3-1
ASP.NET Core & Angular Universal advanced starter - PWA w/ server-side rendering for SEO, Bootstrap, i18n internationalization, TypeScript, unit testing, WebAPI REST setup, SignalR, Swagger docs, and more! By @TrilonIO
- angular
- universal
- ngrx
- hmr
Localize your websites with AI assistance.
Note Mark is a lighting fast, web-based Markdown notes app.
A free office suite where your document is inside the link and easy to share. There's no account and nothing saved unless you choose.
A monorepo containing the packages for Esri's Calcite Design System
- typescript
- design-system
- ui
- stenciljs
Imgcompress is a self-hosted image processing toolbox that handles compression, format conversion, and AI background removal in a single web interface. It supports over 70 input formats (including PSD, HEIC, and RAW) and can output common formats or generate PDFs, all without sending files to external services.
- imagecompression
- imageoptimizer
- self-hosted
- webtool