draw.io

Free diagramming app for flowcharts, network and UML diagrams that runs in the browser or desktop, with an embed mode for integrations.

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Modern declarative diagram scripting language that turns text into architecture and flow diagrams with multiple layout engines.

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Category	Diagrams & Whiteboards
Authentication	No auth
Pricing	Free
Website	https://www.drawio.com/
Docs	https://www.drawio.com/docs/
Last checked	2026-10-14
As JSON	/api/v1/directory/drawio.json