draw.io
Professional diagramming with privacy-first storage. Create, collaborate, and embed diagrams anywhere without enterprise costs or vendor lock-in.
draw.io is an open-source alternative to:
draw.io is a free, open-source diagramming application trusted by 100M+ users worldwide. Store your data wherever you want—we can't access it.
Key Features
- Privacy First: Store diagrams locally or in your preferred cloud (Google Drive, OneDrive, etc.). We never access your data.
- Real-time Collaboration: Work together with shared cursors and seamless teamwork.
- Backwards Compatible: Diagram files created in 2005 load in today's app—no obsolescence.
- Cross-Platform: Native integrations with Google Drive, Microsoft 365, Atlassian, GitHub, VS Code, and Notion.
- Embed Anywhere: Embed interactive diagrams in docs, wikis, or applications. Export to SVG, PNG, PDF, or keep editable.
- No Sign-Up Required: Start diagramming instantly without accounts or credit cards.
- Open Source: Apache 2.0 licensed with no artificial scarcity or enterprise tiers.
- Independent: Privately held, VC-free, focused on great software over valuation growth.
Tech / Self-Hosting
- Self-Hosted Options: Deploy draw.io on your own infrastructure using the open-source codebase.
- Desktop App: Available for Windows, macOS, and Linux for offline diagramming.
- Embeddable: Integrate diagrams into your applications via iframe or API.
- Developer-Friendly: Extensive documentation and SDKs for custom integrations.