Open-source virtual whiteboard with a hand-drawn feel
The developer favorite for quick whiteboarding. Hand-drawn aesthetic looks charming in docs and PRs. Free, open-source, and works instantly in any browser. No reason not to try it.
Q: What is Excalidraw?
Excalidraw is a free, open-source whiteboard tool that makes diagrams look hand-drawn. Used by developers for quick architecture diagrams and technical sketches.
Q: How much does Excalidraw cost?
Excalidraw starts at Free. A free tier is available with Free (open source).
Q: Who is Excalidraw best for?
Excalidraw is best for developers wanting quick, informal technical diagrams.
Q: Is Excalidraw free?
Yes, Excalidraw is completely free.
Developers wanting quick, informal technical diagrams
Teams needing polished, professional diagrams
Free (open source)
Free
$7/editor/mo (Excalidraw+)
N/A
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Reviewed by AICores Editorial Team
Last updated: May 2026
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