#1 PDF Application on GitHub that lets you edit PDFs on any device anywhere
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There can be more than Notion and Miro. AFFiNE(pronounced [ə‘fain]) is a next-gen knowledge base that brings planning, sorting and creating all together. Privacy first, open-source, customizable and ready to use.
📝A simple and elegant markdown editor, available for Linux, macOS and Windows.
Etherpad: A modern really-real-time collaborative document editor.
- etherpad
- collaboration
- web-editor
- documents
A personal knowledge management and sharing system for VSCode
- graph-visualisation
- markdown
- markdown-editor
- pkm
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
Notion-style WYSIWYG editor with AI-powered autocompletion.
✍ WeChat Markdown Editor | 一款高度简洁的微信 Markdown 编辑器：支持 Markdown 语法、自定义主题样式、内容管理、多图床、AI 助手等特性
Capture first. Organize later. A local-first Markdown app that turns scattered records into clear notes with AI.
🍼 Plugin driven WYSIWYG markdown editor framework.
- markdown
- markdown-editor
- typescript
- prosemirror
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.
♏ 一款浏览器端的 Markdown 编辑器，支持所见即所得（富文本）、即时渲染（类似 Typora）和分屏预览模式。An In-browser Markdown editor, support WYSIWYG (Rich Text), Instant Rendering (Typora-like) and Split View modes.
HedgeDoc - Ideas grow better together
🧩 Content editing tech stack for the web - BlockSuite is a toolkit for building editors and collaborative applications.
- block
- collaboration
- crdt
- editor
Open-source and local-first Slack and Notion alternative that puts you in control of your data
- chat
- chat-application
- crdt
- editor
A rich text editor React component for markdown
- lexical
- mdx
- rich-text-editor
- markdown
Doca｜开源文档管理与知识库，支持多人协同编辑、在线文档、Markdown、表格、幻灯片、画布和 AI 助手。Self-hosted document management, knowledge base & real-time collaborative editing for individuals and small teams.
- ai-assistant
- canvas
- collaborative-editing
- docker
Powerful note-taking app with nested documents, full-text search, rich-text editor, code snippet editor and more
A fast, local-first Notion alternative built with Rust + Tauri. Block editor, nested pages, full-text search, black-and-white UI, ~115 MB RAM.
- desktop-app
- local-first
- notes
- notion-alternative