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Open Source Online Design Tools

A curated collection of the best open source web-based tools for creating graphics and designs..

Excalidraw

Collaborative whiteboard with a hand-drawn aesthetic

  • Stars

    134,434

  • Last commit

    12 hours ago

  • License

    MIT
Virtual whiteboard for sketching diagrams, flowcharts, and wireframes with a distinctive hand-drawn look. Real-time collaboration built in.

Open Source Alternative to:

Miro

Penpot

Open-source UI design and prototyping for product teams

  • Stars

    61,546

  • Last commit

    11 hours ago

  • License

    MPL-2.0
Design, prototype, and hand off to developers in one platform. Supports design systems, tokens, flexible layouts, and AI workflows with real CSS/HTML output.

Open Source Alternative to:

Canva

Tldraw

Free instant whiteboard with real-time collaboration

  • Stars

    51,057

  • Last commit

    10 hours ago

  • License

    Unknown
Virtual whiteboard that works instantly on any device, no signup required, with real-time multiplayer collaboration built in.

Open Source Alternative to:

Miro

Graphite

Procedural vector editor that runs in your browser, no signup needed

  • Stars

    27,700

  • Last commit

    7 hours ago

  • License

    Apache-2.0
A free, open source vector graphics editor built around nondestructive, node-based design. Runs locally in the browser, exports SVG, PNG, and JPG.

Open Source Alternative to:

Canva
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