Virtual whiteboard for sketching hand-drawn style diagrams. Open source and collaborative.
What is Excalidraw?
Excalidraw is an open-source virtual whiteboard for sketching hand-drawn style diagrams, wireframes, and flowcharts in the browser, with real-time collaboration. See it in our Design Tools collection.
Key benefits
- Sketch-like aesthetic keeps ideas loose and editable, not over-polished.
- Real-time collaboration so teams can brainstorm and document together.
- Export to PNG or SVG and embed in Notion, Confluence, or docs.
- MIT-licensed and free; no account required to start.
Use cases
- Brainstorming and quick diagrams in meetings.
- Technical architecture or flowcharts with a rough, readable style.
- Wireframes and product thinking before moving to high-fidelity design.
- Embedding diagrams in documentation or wikis.
About Excalidraw
Excalidraw uses a deliberately rough aesthetic so ideas stay editable. The project is widely used for technical diagrams and product thinking without the overhead of heavy design tools.
Sources & further reading
- whiteboard
- diagrams
- open-source
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