WhiteboardJS

Tiny browser whiteboard that saves boards as standalone HTML files you can reopen offline.

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WhiteboardJS is a tiny, open-source whiteboard that runs in any modern browser on desktop, tablet, or phone, with full touch support for drawing and writing. Boards can be saved as standalone HTML files through the browser's own Save As command and reopened later exactly as left, entirely offline and without an account. It's aimed at people who want a lightweight whiteboard with no signup and no cloud dependency.

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