Open-Source Lucidchart Alternative

https://www.drawio.com/

Backwards Compatible

Diagram files created in 2005 load in today's app. Your work is never obsolete.

Share with Everyone

No license worries—anyone can open and edit draw.io files, on any platform.

Real-time Collaboration

Work together with shared cursors. Everything you expect from professional diagramming.

Privacy First

Store your data wherever you want. We cannot access it—ever.

Open Source

Apache 2.0 licensed. No artificial scarcity, no Enterprise tier for SSO.

Independent

Not VC-funded. Private company focused on great software, not inflating valuations.

Embed diagrams anywhere

Embed interactive diagrams in your docs, wikis, or applications. Export to SVG, PNG, PDF, or keep them editable.

<!-- Embed an editable diagram -->
<iframe
  src="https://viewer.diagrams.net/?
    edit=_blank&
    layers=1&
    nav=1#Uhttps://..."
  style="width:100%; height:400px; border:0;">
</iframe>

Start diagramming in seconds

No account required. No credit card. Just open and create.

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  "descendants": 5,
  "id": 40248692,
  "kids": [
    40258332,
    40261724,
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  ],
  "score": 44,
  "time": 1714749613,
  "title": "Open-Source Lucidchart Alternative",
  "type": "story",
  "url": "https://www.drawio.com/"
}

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  "author": null,
  "date": null,
  "description": "Free, open source diagramming application with 100M+ users. Store your data wherever you want—we can’t access it.",
  "image": "https://www.drawio.com/img/blog/drawio-social-card.png",
  "logo": null,
  "publisher": "draw.io",
  "title": "Security-first diagramming for teams | draw.io",
  "url": "https://www.drawio.com/"
}

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  "url": "https://www.drawio.com/",
  "title": "Security-first diagramming for teams | draw.io",
  "description": "Backwards CompatibleDiagram files created in 2005 load in today's app. Your work is never obsolete.Share with EveryoneNo license worries—anyone can open and edit draw.io files, on any platform.Real-time...",
  "links": [
    "https://www.drawio.com/"
  ],
  "image": "https://www.drawio.com/img/blog/drawio-social-card.png",
  "content": "<div><div><div><h3>Backwards Compatible</h3><p>Diagram files created in 2005 load in today's app. Your work is never obsolete.</p></div><div><h3>Share with Everyone</h3><p>No license worries—anyone can open and edit draw.io files, on any platform.</p></div><div><h3>Real-time Collaboration</h3><p>Work together with shared cursors. Everything you expect from professional diagramming.</p></div><div><h3>Privacy First</h3><p>Store your data wherever you want. We cannot access it—ever.</p></div><div><h3>Open Source</h3><p>Apache 2.0 licensed. No artificial scarcity, no Enterprise tier for SSO.</p></div><div><h3>Independent</h3><p>Not VC-funded. Private company focused on great software, not inflating valuations.</p></div></div><div><div><h2>Embed diagrams anywhere</h2><p>Embed interactive diagrams in your docs, wikis, or applications. Export to SVG, PNG, PDF, or keep them editable.</p></div><div><pre>&lt;!-- Embed an editable diagram --&gt;\n&lt;iframe\n  src=\"https://viewer.diagrams.net/?\n    edit=_blank&amp;\n    layers=1&amp;\n    nav=1#Uhttps://...\"\n  style=\"width:100%; height:400px; border:0;\"&gt;\n&lt;/iframe&gt;</pre></div></div><div><h2>Start diagramming in seconds</h2><p>No account required. No credit card. Just open and create.</p></div></div>",
  "author": "",
  "favicon": "https://www.drawio.com/favicon.ico",
  "source": "drawio.com",
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  "ttr": 23,
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