Excalidraw

Excalidraw: A Collaborative Virtual Whiteboard

Excalidraw is an open-source virtual whiteboard designed for creating hand-drawn-like diagrams. It offers an infinite canvas, dark mode, customizable features, and supports various shapes, images, and export options (PNG, SVG, JSON). Notably, Excalidraw supports real-time collaboration, end-to-end encryption, and offline use as a Progressive Web App (PWA). It integrates with tools like Google Cloud, Meta, and Notion, and is available as an npm package for easy integration into other applications. Contributions and translations are welcome through their GitHub repository.