am-editor vs Plate

am-editor is a rich text editor for developers building web editing experiences. It supports collaborative editing and can be extended with plugins in React, Vue, and other front-end libraries. The project includes dozens of ready-to-use plugins and allows custom marks, inline elements, blocks, and cards. Listed content features include tables, files, mathematical formulas, images, audio, video, and embedded multimedia. Markdown syntax is supported, including by the code block plugin by default. The project lists internationalization and compatibility with most recent mobile browsers. Collaboration uses Yjs and WebSocket, with a Node.js server component that stores data in MongoDB or LevelDB. Examples or components are provided for React, Vue 2, and Vue 3; the engine can be installed as @aomao/engine with npm or yarn. am-editor is free and open source under the MIT License; its listed plan is free, subject to license conditions including attribution and a license notice. The license disclaims warranties and liability.

Plate is a React framework for building rich-text editors, with a headless runtime, composable plugins, and optional UI components. Setup paths cover Plate UI, Next.js, React, React Server Components, Node.js, and manual installation. Its plugin ecosystem includes AI menus, copilot, comments, suggestions, blocks, code, tables, media, mentions, import and export, and collaboration. The AI package provides streaming menus and chat, AI-marked text, and API-route integration patterns. Yjs collaboration supports IndexedDB, Hocuspocus, WebRTC, awareness, remote cursors, and custom providers. Media features support images, video, audio, and files, including embeds, uploads, drag-and-drop, clipboard paste, URL embedding, and captions. The package is MIT-licensed. The Free plan is free; Personal is €299, paid once and Teams is €799, paid once. The provided UploadThing middleware is intended for local development; production use requires application session and permission checks.