coredraft

Single-file HTML canvas for freehand sketching, diagrams, and mind maps, with no backend needed.

Webfree

coredraft is a minimal drawing canvas for quick sketches, diagrams, and mind maps that runs entirely in the browser from a single HTML file, with no backend, installation, or account needed. It includes freehand drawing with velocity-sensitive strokes, shape tools, a geometry-aware eraser, and PNG/PDF export. It's aimed at people who want a fast, distraction-free alternative to heavier drawing apps like Excalidraw or tldraw.

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Problem & pain-point mapping
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